This is page 2 of ELECTRICAL/ELECTRONIC/TELECOM/ POWER ENGINEERING department. Hyclassproject's aim of providing all these research materials is to reduce the stress of moving from one school library to another all in the name of searching for project topics and materials. We are not encouraging any form of PLAGIARISM. This service is legal because, all institutions permit their students to read previous projects, books, articles or papers while developing their own works. According to Austin Kleon "All creative work builds on what came before".
To view or download the complete work on each of the following works, click on the topic:
0001]. DESIGN AND CONSTRUCTION OF TEMPERATURE CONTROL AUTOMATIC SWITCH: This project is titled design and construction of a temperature control automatic switch. It is designed to control electric appliances such as electric kettle, oven, incubator, or lamp through the variation of temperature range (0°C -100°C) which must be set by the user or operator. And this can be achieved by the use of temperature sensor known as THERMISTOR. This thermistor is a temperature control device with a high....{read more and download full material}
0002]. DESIGN AND CONSTRUCTION OF AN OSCILLATING STAGE OF A 3.5KVA INVERTER: An oscillator is an electronic device that converts dc power supply to ac power having the desired characteristics. Power inverters come in a wide variety of power capacities and they are distinguished primarily by the wave shape (sine or cosine, square and others as shown in the figure 2) of the alternating current they produced from the oscillator employed....{read more and download full material}
0003]. FOOT STEP POWER GENERATION USING PIEZOELECTRIC SENSOR: This work is on foot step power generation using piezoelectric sensor. In this foot step power generation project is designed to convert foot step, walking and running energy into electrical energy. It is used to generate electricity from by walking or running on foot step. The demand of electrical energy is increasing day by day. But power generation conventional resources are now not enough for total...{read more and download full material}
0004]. DESIGN AND CONSTRUCTION OF SMART STREET LIGHTING SYSTEM USING ULTRASONIC SENSOR: Generally, street lights are switched ON for whole night and during the day, they are switched off. But during the night time, street lights are not necessary if there is no traffic. Saving of this energy is very important factor these days as energy resources are getting reduced day by day. Alternatives for natural resources are very less and our next generations may face lot of problems because of lack of these natural resources. Smart street lighting system works automatically to regulate light intensity, the operating time and detect objects...{read more and download full material}
0005]. DESIGN AND CONSTRUCTION OF A BLUETOOTH SPEAKER UNIT: Bluetooth stereo audio system—one that’s also fairly low-cost—for outdoor use. This device provide the easiest way to play music off your smartphone to a speaker unit. The system, which maintains 20-WRMS output power, can be controlled either with a handset containing a Bluetooth connection and a music player or with an Apple iPod model. Bluetooth technology, created in the late 1990s, is widely...{read more and to download full material}
0006]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTHOMATIC BATTERY CHARGER WITH BATTERY FULL CUT-OFF AND DIGITAL DISPLAY: This project is on a 12 volts automatic battery charger with charging progress and charging level indicator. An automatic battery charger is an acid battery charger that is designed to charge any acid battery...{read more and download full material}
0007]. DESIGN AND CONSTRUCTION OF A 1KM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves...{read more and download full material}
0008]. DESIGN AND CONSTRUCTION OF AN FM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves. Frequency modulation (FM) transmitter generates the radio waves by varying the radio signal’s frequency slightly. FM transmitter is basically a VHF colipits oscillator capable of transmitting...{read more and download full material}
0009]. DESIGN AND CONSTRUCTION OF A 0-30 VDC AUTOMATIC REGULATED POWER SUPPLY WITH USB: This project work is on design of a variable power supply. This work makes it possible for someone that wants to run, say a 3v radio with a power supply without using 2 * 1.5AA battery or powering any other device of higher or lower voltage rating without considering buying a new power supply...{read more and download full material}
0010]. DESIGN AND CONSTRUCTION OF A 1. 5A 35 VOLT DC REGULATED POWER SUPPLY: Power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another. This project is 1.5A 35V regulated power supply. It is a small power supply that provides a regulated voltage, adjustable between 1.5 and 35 volts at 1 ampere. The system is built around LM317 ic. This circuit is thermal overload protected because the current limiter and thermal overload protection are included in the IC...{read more and download full material}
0011]. CONSTRUCTION AND INSTALLATION OF 1.5 HORSE POWER OF WINDOW UNIT AC: Window unit air conditioners are installed in an open window. The interior air is cooled as a fan blows it over the evaporator. On the exterior the heat drawn from the interior is dissipated into the environment as a second fan blows outside air over the condenser. A large house or building may have several such units, permitting each room to be cooled separately...{read more and download full material}
0012]. DESIGN AND CONSTRUCTION OF A 1.5 KVA SOLAR GENERATOR: This work is on design and construction of a 1.5KVA solar energy generator. Solar energy generator and also be called solar inverter. Solar energy generator converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment...{read more and download full material}
0013]. THE DESIGN AND CONSTRUCTION A 1.5KVA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of a 1.5kva Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation or along distribution lines so that all customers receive steady voltage independent of how much power is drawn from the line.An AC Automatic voltagestabilizer is designed to automatically maintain a constant AC voltage level...{read more and download full material}
0014]. DESIGN AND CONSTRUCTION OF A 1.5KVA POWER INVERTER WITH DIGITAL DISPLAY AND A REMOTE CONTROL: This project is titled the design and construction of a DC to AC inverter system. It is designed to meet up with the power demand in the offices and in homes in the absence ...{read more and download full material}
0015]. DESIGN AND CONSTRUCTION OF A 1.5KVA MODIFIED SINE WAVE INVERTERS: Modified Square Wave or step wave approximate a pure sine waveform. The output of a modified square wave, quasi square, or modified sine wave inverter is similar to a square wave output except that the output goes to zero volts for a time before switching positive or negative Modified sine wave inverters are designed to satisfy the efficiency requirements of the photovoltaic system while being less expensive than pure sine waveform inverters. These inverters are capable of operating a wide variety of loads; electronic and household items including but not limited to TV, VCR, and satellite receiver, computers, and printers...{read more and download full material}
0016]. DESIGN AND CONSTRUCTION OF A 2KM FM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves...{read more and download full material}
0017]. DESIGN AND CONSTRUCTION OF A PORTABLE FM TRANSMITTER: A portable fm transmitter which is also known as miniature FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves and which it's transmissions can be picked up on any standard FM radio. It has a range of up to 1/4-mile (400 meters) or more, depending...{read more and download full material}
0018]. DESIGN AND CONSTRUCTION OF A 30KM RANGE FM TRANSMITTER USING DISCRETE COMPONENTS: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves. FM transmitter is basically a VHF colipits oscillator capable of transmitting sound or music to any standard FM receiver...{read more and download full material}
0019]. MICROCONTROLLER BASED ELECTRICAL APPLIANCES CONTROLLING SYSTEM USING CELL PHONE: This device is design to monitor and control electrical devices (Analog and Digital) remotely using GSM modem/phone. The GSM modem provides the communication mechanism between the user and the microcontroller system by means of SMS messages. User can control multiple electrical devices by sending suitably formatted SMS message to the microcontroller based control system. These SMS commands are interpreted by microcontroller system and are validated. If the SMS command received is valid then it takes the necessary action to control the said devices...{read more and download full material}
0020]. DESIGN AND CONSTRUCTION OF A GSM BASED DEVICE MONITORING AND CONTROL SYSTEM: This device is design to monitor and control electrical devices (Analog and Digital) remotely using GSM modem/phone. The GSM modem provides the communication mechanism between the user and the microcontroller system by means of SMS messages. User can control multiple electrical devices by sending suitably formatted SMS message to the microcontroller based control system. These SMS commands are interpreted by microcontroller system and are validated. If the SMS command received is valid...{read more and download full material}
0021]. MEASURING POWER QUALITY OF A SYSTEM: Electrical energy is a traded commodity that is becoming more important every day; there is increasing demand for continuous access to power (supply quality) and disturbance free power (power quality). Today’s power environments cover renewable energy production as... [read more to downlooad complete material]
0022]. DESIGN AND CONSTRUCTION OF A TRANSFORMER TEMPERATURE MONITORING WITH AUTO CIRCUIT BREAKER ALARM: Temperature monitoring system for power transformers submerged in oil applied preferentially in transformers submerged in oil and it presents several facilities in the sense of becoming temperature monitoring more reliable and safe, with highlight for the... [read more to downlooad complete material]
0023]. DRIVER AND OUTPUT STAGE OF A 3.5KVA INVERTER: A driver and output stage prepares a small electrical signal for further amplification or processing. It is used to boost the signal strength to drive the transformer of an inverter. In inverter circuit, the received oscillating frequency is suitably amplified to high current levels using Mosfets...[read more to downlooad complete material]
0024]. DESIGN AND CONSTRUCTION OF A DRIVER AND OUTPUT STAGE OF AN INVERTER: A driver and output stage prepares a small electrical signal for further amplification or processing. It is used to boost the signal strength to drive the transformer of an inverter. In inverter circuit, the received oscillating frequency is suitably amplified to high current levels using Mosfets. Though the boosted response is an AC...[read more to downlooad complete material]
0025]. WIRELESS POWER TRANSFER THROUGH COIL: As power requirements for portable devices increase, consumers are looking for easy-to-use charging solutions that can be deployed in a wide array of environments such as home, office, automobiles, airports, schools and more. Wireless charging uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device... [read more to downlooad complete material]
0026]. SMART GRID – FUTURE ELECTRIC GRID: Smart grid is referred to as “an automated, widely distributed energy delivery network incorporating the benefits of distributed computing and communications to deliver real-time information and enable the near-instantaneous balance of supply and demand. The smart grid brings the philosophies, concepts, and technologies that enabled the Internet to the utility and energy grid...[read more to downlooad complete material]
0027]. POWER FAILURE AND ITS EFFECTS ON APPLIANCES: Electric power supply is the most important commodity for national development. With electrical energy the people are empowered to work from the domestic level and the cottage industries, through the small-scale and medium industries to employment in the large-scale manufacturing complexes. In these days, depriving people of electric power is tantamount to castration. Power failure is a period ...[read more to downlooad complete material]
0028]. DESIGN AND CONSTRUCTION OF A HIGH AND LOW VOLTAGE CUT-OFF WITH TIME DELAY: The power line fluctuations and cut-offs causes damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge and air conditioners. If a fridge is operated on low voltage, excessive current flows through the motor, which heats up, and get damaged. High and low voltage cut off is a device designed to protect electrical appliances from over voltage as well as under voltage. The under/over voltage protection circuit ...[read more to downlooad complete material]
0029]. MICROCONTROLLERS AND MICROPROCESSORS: The introduction of “Microprocessor” has changed the way in which we view, analyze and control the world surrounding us over the past two decades. Microprocessor is considered a product of combined developments in the fields of computer architecture and Integrated Circuit (IC) fabrication. It has made the concept of personal computing very feasible. The Microcontroller is often considered as a byproduct in the development of microprocessor...[read more to downlooad complete material]
0030]. DESIGN AND CONSTRUCTION OF A 500W SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions...[read more to downlooad complete material]
0031]. POWER ELECTRONICS DEVICES AND ITS APPLICATION: Power Electronics deals with the applications of solid state electronic devices in the control and conversion of electric power. Power Electronics has seen a tremendous growth in recent times and almost all the applications today use power electronic devices in some or the other form. Hence it becomes essential to study the advantages of these devices, which made it so popular...[read more to downlooad complete material]
0032]. DESIGN AND CONSTRUCTION OF 20WATTS WIRELESS PUBLIC ADDRESS SYSTEM : It has become inevitable that there would be communication and due to the inherent limitation of the human voice, the public address system came to being. A public address public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to address a large public, for example for announcements of movements at...[read more to downlooad complete material]
0033]. DESIGN AND CONSTRUCTION OF A 1000W SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point...[read more to downlooad complete material]
0034]. DESIGN AND CONSTRUCTION OF A 1500W SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection...[read more to downlooad complete material]
0035]. DESIGN AND CONSTRUCTION OF A 2000W SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection... [read more to downlooad complete material]
0036]. DESIGN AND CONSTRUCTION OF A 2500W SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding... [read more to downlooad complete material]
0037]. DESIGN AND CONSTRUCTION OF A 5000W SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection... [read more to downlooad complete material]
0038]. DESIGN AND CONSTRUCTION OF A 10KVA SOLAR POWER INVERTER: solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection... [read more to downlooad complete material]
0039]. DESIGN AND CONSTRUCTION OF A WIRELESS PUBLIC ADDRESS SYSTEM: It has become inevitable that there would be communication and due to the inherent limitation of the human voice, the public address system came to being. A public address public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person... [read more to downlooad complete material]
0040]. DESIGN AND CONSTRUCTION OF A PUBLIC ADDRESS SYSTEM: It has become inevitable that there would be communication and due to the inherent limitation of the human voice, the public address system came to being. A public address public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers... [read more to downlooad complete material]
0041]. DESIGN AND CONSTRUCTION OF A SOLAR INVERTER: This work is on design and construction of a 12VDC to 220VAC solar inverter. Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment... [read more to downlooad complete material]
0042]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATHROOM LIGHT WITH BACK-UP LAMP: Sometimes we forget to switch off the bathroom light and it remains on unnoticed for long periods. This circuit solves the problem of electricity wastage by switching off the lamp automatically after 30 minutes once it is switched on. The back-up LED lamp provided in the circuit turns on for three minutes when mains fails. This is helpful especially when you are taking a shower at night... [read more to downlooad complete material]
0043]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATHROOM LIGHT SWITCH CONROLLING SYSTEM: This project is on design and construction of an automatic bathroom light. The system automatically turns ON bathroom light when the bathroom door is opened, and remains lit in the occupied state. When the door is opened again the lamp turns off after a very short delay. This automatic circuit saves energy and greatly assists your visitors, especially at night. The “single-chip” circuit, built around the popular decade counter CD4017 (IC1), is very compact, and can be powered from any... [read more to downlooad complete material]
0044]. BACTERIA POWERED FUEL: Renewable and clean forms of energy are one of society's greatest needs. At the same time, 2 billion people in the world lack adequate sanitation and the economic means to afford it. Abundant energy, stored primarily in the carbohydrates can be found in waste biomass, agricultural...[read more to downlooad complete material]
0045]. DESIGN AND CONSTRUCTION OF A RADIO FM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves. FM transmitter is basically a VHF colipits oscillator capable of transmitting sound or music to any standard FM receiver. The circuit works on a D.C source which makes it for a pure rectification...[read more to downlooad complete material]
0046]. DESIGN AND CONSTRUCTION OF A FUELLESS POWER GENERATOR OF 1KVA CAPACITY: This project is on "DESIGN AND CONSTRUCTION OF FUELLESS POWER GENERATOR". This device is also known as INVERTER GENERATOR. It is designed to meet up with the power demand in the offices and in homes in the absence of power supply from the national supply authority, NEPA. In order words the device / item serves as a substitute for NEPA (PHCN) which almost monopolises the power supply to people and also our conventional generator...[read more to downlooad complete material]
0047]. DESIGN AND CONSTRUCTION OF A 3.5KVA AUTOMATIC INVERTER CHANGEOVER: This work is on change over selector switch for automatic toggling of an inverter when AC mains is present and vice versa and also the system must enable automatic switching of the battery charger such that when AC mains is present the inverter battery gets charged and when AC mains fails, the battery gets connected with the inverter for supplying AC to the load. The configuration should be such that everything takes place automatically and the appliances are never switched OFF, just reverted from inverter AC to Mains AC and vice versa during mains power failures and restorations...[read more to downlooad complete material]
0048]. DESIGN AND CONSTRUCTION OF A PUBLIC ADDRESS SYSTEM (PA SYSTEM) WITH A.C AND BATTERY POWER SOURCE: This work is titled design and construction of a public address system with ac and battery power source. A public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to address a large public, for example for announcements of movements at large and noisy air and rail terminals. Public addressing system is often used in ..[read more to downlooad complete material]
0049]. DESIGN AND FABRICATION OF AN ELECTRIC-GAS-CHARCOAL POWERED OVEN (TRIPLEX POWERED OVEN): Due to irregular power supply common in developing countries, as well as growing high cost of hydrocarbon, the need arises for the development of a triple energy source that uses electricity, gas and charcoal for heating oven chambers. The triplex-powered oven is a combination of components that make possible the use of alternative heat sources. The upper chamber is powered by electricity, the middle chamber is powered charcoal whilst the lower chamber works for the supply of gas located outside the chamber as a heat source...[read more to downlooad complete material]
0050]. DESIGN OF WATER SUPPLY PIPELINE NETWORK : Providing sufficient water of appropriate quality and quantity has been one of the most important issues in human history. Most ancient civilizations were initiated near water sources. As populations grew, the challenge to meet user demands also increased. People began to transport water from other locations to their communities. For example, the Romans constructed aqueducts to deliver water from distant sources to their communities. Today, a water supply system consists of infrastructure that collects, treats, stores, and distributes water between water sources and consumers. Water pipelines have been a proposed, but controversial option. These massive pipelines pump water from a large source and transfer it across a great distance to areas in need...[read more to downlooad complete material]
0051]. DESIGN AND CONSTRUCTION OF POWER RESTORATION REMINDER USING A PIEZO-BUZZER AND LED LAMP: Power restoration is a period of time when the electricity supply to a particular building or area is restored, for example because of replacement or servicing damage to the cables or any other reason. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of a refrigerator. If you experience a power off situation, your food will be spoilt...[read more to downlooad complete material]
0052].DESIGN AND CONSTRUCTION OF A POWER SUPPLY RESTORATION ALARM: Power restoration is a period of time when the electricity supply to a particular building or area is restored, for example because of replacement or servicing damage to the cables or any other reason. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of a refrigerator. If you experience a power off situation, your food will be spoilts...[read more to downlooad complete material]
0053]. DESIGN AND CONSTRUCTION OF A POWER SUPPLY RESTORATION ALARM WITH 555 TIMER, BUZZER AND LED: Power restoration is a period of time when the electricity supply to a particular building or area is restored, for example because of replacement or servicing damage to the cables or any other reason. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of a refrigerator. If you experience a power off situation, your food will be spoilt....[read more to downlooad complete material]
0054]. DESIGN AND CONSTRUCTION OF A POWER FAILURE AND RESUMPTION ALARM: Power failure is a period of time when the electricity supply to a particular building or area is interrupted, for example because of damage to the cables or any other reason, and Power restoration is a period of time when the electricity supply to a particular building or area is restored, for example because of replacement or servicing damage to the cables or any other reason. This device gives audio-visual indication of the failure and resumption of mains power. The circuit is built around dual timer IC LM556. When mains is present the bicolour LED glows in green colour, and when mains fails it turns red...[read more to downlooad complete material]
0055]. DESIGN AND CONSTRUCTION OF A POWER RESUMPTION ALARM AND LOW-VOLTAGE PROTECTOR : If appliiances are in use before before power fails from the mains, if they are not switched OFF before the power resumes it can have negative effect on the appliances.The device protects your electrical appliances like AC motors from damage due to low voltage at power-on. It remains standby without giving power to the load after power resumes. The load can be switched on only manually. This prevents damage to the device if it is ‘on’ when power resumes...[read more to downlooad complete material]
0056]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC POWER-RESUMPTION ALARM : Power restoration is a period of time when the electricity supply to a particular building or area is restored, for example because of replacement or servicing damage to the cables or any other reason. Somestimes when power resumes the occupant of the house may not be aware unless if power resumption alarm is used in such home to detect the presence of power supply resumption. Most power-resumption alarm devices produce non-stop alarm when power resumes. To overcome this problem, this automatic circuit that sounds an alarm for a few seconds only after power resumes. Whenever power failure occurs this circuit does not sound any alarm. But when power resumes it produces an alarm sound for about 11 seconds...[read more to downlooad complete material]
0057]. DESIGN AND CONSTRUCTION OF A POWER FAILURE ALARM : Power failure is a period of time when the electricity supply to a particular building or area is interrupted, for example because of damage to the cables or any other reason. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of a refrigerator. If you experience a power off situation, your food will be spoilt. Power failure alarm monitoring device that will trigger a buzzer when the mains supply cuts off. This device is helpful to inform the loss of power supply to some critical installation such as a pump in a fish tank. Once the buzzer sound, one will know that there is a loss of power supply and actions need to be taken to rectify the situation by providing alternative power supply or relocating the installation...[read more to downlooad complete material]
0058]. DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM : This project is titled design and construction of an automatic fire alarm. Fire alarm is an electronics device that is stored in a building to detect the presence of fire accident. An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is classified as either automatically actuated, manually actuated, or both. Automatic fire alarm systems are intended to notify the building occupants to evacuate in the event of a fire or other emergency, report the event ...[read more to downlooad complete material]
0059]. DESIGN AND CONSTRUCTION OF AN AUTOMATED FIRE EMERGENCY CONTROL: Fire disaster is a common threat to lives and property. Fire emergency control offers an automatic fire extinguishing which provides real time monitoring, exploration and programmed fire alarm. This paper presents the design of a low cost, robust and secure fire protection system for buildings .It sends early alarm when the fire occurs and helps to reduce the fire damage. This system consists of a smoke detector and a temperature sensor whose outputs are connected to the controller. The system takes into account the density of smoke and thus the probability of false alarms can be avoided. A PIC16F84A micro-controller is considered here to control the total arrangement and the test results through hardware prototype show that the validity of proposed approach which achieves design requirements as well as increase system reliability...[read more to downlooad complete material]
0060]. DESIGN AND CONSTRUCTION OF A FIRE ALARM USING MQ-2 SENSOR: This project is titled design and construction of an automatic fire alarm. Fire alarm is an electronics device that is stored in a building to detect the presence of fire accident. An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is classified as either automatically actuated, manually actuated, or both. Automatic fire alarm systems are intended to notify the building occupants to evacuate in the event of a fire or other emergency, report the event to an off-premises location in order to summon emergency services, and to prepare the structure and associated systems to control the spread of fire and smoke...[read more to downlooad complete material]
0061]. DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM USING LDR, 555 TIMER, AND RELAY: This project is titled design and construction of an automatic fire alarm using LDR, 555 timers, and relay. Fire alarm is an electronics device that is stored in a building to detect the presence of fire accident. An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is classified as either...[read more to downlooad complete material]
0062]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTHOMATIC BATTERY CHARGER : This project is titled design and construction of an automatic battery charger Automatic battery charger is an acid battery charger that is designed to charge any acid battery. This automatic charger is basically a DC power supply source. Here a transformer is used to step down the AC mains input voltage to the required level as per the ...[read more to downlooad complete material]
0063]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTHOMATIC BATTERY CHARGER WITH CHARGING PROGRESS AND CHARGING LEVEL INDICATOR: This project is on a 12 volts automatic battery charger with charging progress and charging level indicator. An automatic battery charger is an acid battery charger that is designed to charge any acid battery. In this work, a voltage sensor circuit is incorporated to sense the voltage of the battery under charge. The charger has the ability to automatically switched OFF when the battery voltage reaches the required optimum level with the help of the contact relay, the transistor and the zener diode when bend the current back to the system, and the system have the ability to indicate when the battery is charging or not, when the battery is empty or fully charged...[read more to downlooad complete material]
0065]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTOMATIC CAR BATTERY CHARGER WITH FULL VOLTAGE CUTOUT: A battery charger is an electrical device employed for charging batteries. These batteries that are usually charged by battery charger are the storage batteries also known as “accumulator” the battery charger changes. The alternating current forms the power line into d.c suitable for charging. When the battery is fully changed, is up to it’s maximum, 12 volt, the charger with automatically stop changing with the help of the contact relay, the transistor and the zener diode when bend the current back to the system, and the system have the ability to indicate when the battery is charging or not, when the battery is empty or fully charged...[read more to downlooad complete material]
0066]. DESIGN AND CONSTRUCTION OF A 6V and 12 VOLTS AUTHOMATIC BATTERY CHARGER: This project is titled design and construction of a 6 and 12V automatic battery charger. A 6 and 12volts Automatic battery charger is a dual acid battery charger that is designed to charge 6v and as well 12v battery. This automatic charger is basically a DC power supply source. Here a transformer is used to step down the AC mains input voltage to the required level as per the rating of the transformer. And the selection of voltage is done using single pole double throw switch whenever there is need for that. That is, whenever there is a 6v battery to be charged, the switch would be sued the select the required voltage from the charger and vice-versa. This transformer is always a high power type and is able to produce a high current output as required by most lead-acid batteriesl...[read more to downlooad complete material]
0067]. DESIGN AND CONSTRUCTION OF A 6V BATTERY CHARGER : This project is titled design and construction of a 6V battery charger. Battery charger is an acid battery charger that is designed to charge 6V acid battery. It is basically a DC power supply source. Here a transformer is used to step down the AC mains input voltage to the required level as per the rating of the transformer. This transformer is always a high power type and Lm317 variable regulator is able to produce a high current (from 1 – 5A) output as required by most lead-acid batteries and the output current can adjusted by variable resistor. A bridge rectifier configuration is used to rectify the low voltage AC into DC and is further smoothed by a high value electrolytic capacitor. This DC is fed to an electronic circuit which regulates the voltage into a constant level and is applied to the battery under charge, where the energy is stored through an internal process of chemical reactionl...[read more to downlooad complete material]
0068]. DESIGN AND CONSTRUCTION OF A 6V CELL PHONE BATTERY CHARGER: This project is titled design and construction of a 6V cell phone battery charger. A 6V cell phone battery charger is an electronics device used in charging 6v cell phone batteries when used up by the instrument connected to it. This electronics device has the ability to stop charging when the battery is fully charged and starts charging when the battery voltage drops below the set point. ...[read more to downlooad complete material]
0069]. DESIGN AND CONSTRUCTION OF A SOLAR BATTERY CHARGER USING 15V/130W SOLAR PANEL : This project is titled the design and construction of a solar battery charger. It is designed to meet up with the higher demand of power supply needed to keep our battery charged. Solar battery charger is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. It does this by the use of solar panel...[read more to downlooad complete material]
0070]. DESIGN AND CONSTRUCTION OF A SOLAR CELL PHONE CHARGER: This project is titled the design and construction of a solar cell phone charger. It is designed to meet up with the higher demand of power supply needed to keep our cell phone battery charged. A solar cell phone battery charger is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect....[read more to downlooad complete material]
0071]. DESIGN AND CONSTRUCTION OF A SOLAR CELL PHONE CHARGER WITH BATTERY BACKUP : This project is titled the design and construction of a solar cell phone charger. It is designed to meet up with the higher demand of power supply needed to keep our cell phone battery charged. A solar cell phone battery charger is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. It does this by the use of solar panel which is a form of photoelectric cell (in that its electrical characteristics...[read more to downlooad complete material]
0072]. DESIGN AND CONSTRUCTION OF SOLAR CHARGE CONTROLLER : Solar charge controller limits the rate at which electric current is added to or drawn from solar panel to electric batteries. It prevents overcharging and may protect against overvoltage, which can reduce battery performance or lifespan, and may pose a safety risk. It may also prevent completely draining (“deep discharging”) a battery, or perform controlled discharges, depending on the battery technology, to protect battery life. The terms “charge controller” or “charge regulator” may refer to either a stand-alone device, or to control circuitry integrated within a battery pack, solar battery-powered device, or battery chargerl...[read more to downlooad complete material]
0073]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTHOMATIC BATTERY CHARGER USING SCR: A battery is a device which can store energy in chemical form and convert that energy into electrical energy when needed. It can be secondary (rechargeable) or primary (Non rechargeable) Rechargeable batteries have an advantage over primary batteries with the fact that they can be reused. This is possible by charging a battery, i.e. feeding energy to the secondary cell by forcing electric current through it. A battery basically consists of number of cells, with each cell consisting of two electrodes immersed...[read more to downlooad complete material]
0074]. ASSEMBLING OF A 5KVA AUTOMATIC VOLTAGE STABILIZER : Due to higher damage of our electrical appliances usually caused by under-voltage (low voltage) over-voltage (high voltage), or voltage fluctuation, there is need to use our appliances with voltage stabilizer. The automatic voltage regulator (AVR) is a device designed to regulate voltage automatically – that is, to take a fluctuating voltage level and turn it into a constant voltage level, low and high voltage to normal 220VAC ...[read more to downlooad complete material]
0075]. DESIGN AND CONSTRUCTION OF A SOLID STATE AUTOMATIC VOLTAGE REGULATOR : The control of irregular voltage supply with fluctuation so as to become stable is carried out using this voltage stabilizer. Conventional stabilizers make use of mechanical relays which have a slow switching period but in this work stabilizer was built around solid state device such as TRIAC. This stabilizer is designed and constructed in a way that it makes use of silicon controlled rectifier which helps in reducing instability in the system and as well as having...[read more to downlooad complete material]
0076]. DESIGN, CONSTRUCTION AND ANALYSIS OF A 2KVA AUTOMATIC VOLTAGE REGULATORY SYSTEM WITH SEVEN SEGMENT DISPLAY : Voltage delivered to our home, office or industries may sometimes fluctuate which can cause serious damages to your appliance; if not completely destroying it. Nonetheless, other sophisticated devices subjected to voltage fluctuations could malfunction and have reduced efficiency, which are costly in terms of downtime and rejects. Most electrical and electronic equipment are designed to operate properly and within their specifications if the voltage supply varies within ±10% of nominal...[read more to downlooad complete material]
0077]. DESIGN AND CONSTRUCTION AN AUTOMATIC VOLTAGE STABILIZER USING MICROCONTROLLER : This project is titled the design and construction of a 2kvaAutomatic Voltage Stabilizer Using microcontroller (PIC16F877A). Voltage stabilizers are used for many appliances in homes, offices and industries. The mains supply suffers from large voltage drops due to losses on the distribution lines. A voltage stabilizer maintains the voltage to the appliance at the nominal value of around 220 volts ...[read more to downlooad complete material]
0078]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC VOLTAGE STABILIZER : This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control ...[read more to downlooad complete material]
0079].DESIGN AND CONSTRUCTION OF A 500VA AUTOMATIC VOLTAGE STABILIZER : This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation or along distribution lines so that all customers receive steady voltage independent of how much power is drawn from the linez...[read more to downlooad complete material]
0080]. DESIGN AND CONSTRUCTION OF A 1KVA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation...[read more to downlooad complete material]
0081]. DESIGN AND CONSTRUCTION OF A 1.5KVA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at...[read more to downlooad complete material]
0082]. DESIGN AND CONSTRUCTION OF A 2KVA AUTOMATIC VOLTAGE STABILIZER:This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation or along distribution lines so that all customers receive steady voltage independent of how much power is drawn from the ...[read more to downlooad complete material]
0083]. DESIGN AND CONSTRUCTION OF A 2.5KVA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation...[read more to downlooad complete material]
0084]. DESIGN AND CONSTRUCTION OF A 3KVA AUTOMATIC VOLTAGE STABILIZER : This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation...[read more to downlooad complete material]
0085]. DESIGN AND CONSTRUCTION OF A 3.5KVA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of an AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation...[read more to downlooad complete material]
0086]. DESIGN AND CONSTRUCTION OF A SINGLE PHASE AUTOMATIC CHANGEOVER SWITCH : An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA. An Automatic Changeover Switch will automatically switch off your generator and change over to MAIN ( Public power supply/NEPA) on resumption.You will save fuel and no risk of electrocution. It also serves as power surge protector for appliances. The main aim of any electric power supply in the world is to provide uninterrupted power supply at all times to all its consumers. Although, in developing countries, the electric power generated to meet the demands of the growing consumers of electricity is insufficient, hence power instability and outage....[read more to downlooad complete material]
0087]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH: An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA. An Automatic Changeover Switch will automatically switch off your generator and change over to MAIN ( Public power supply/NEPA) on resumption.You will save fuel and no risk of electrocution. It also serves as power surge protector for appliances. The main aim of any electric power supply in the world is to provide...[read more to downlooad complete material]
0088]. DESIGN AND IMPLIMENTATION OF A 200A AUTOMATIC CHANGEOVER SWITCH WITH PHASE SELECTOR AND POWER FAILURE ALARM: This project work is on the design and construction of automatic changeover switch with phase selector and power failure alarm. It provides a means of switching from one phase of AC mains to another in the case of failure in the existing phase; it also changeover to generator if there is failure in all the three phases of the AC mains. ...[read more to downlooad complete material]
0089]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH WITH PHASE MONITORING DEVICE: This project work is on the design and construction of automatic changeover switch. It provides a means of switching from one phase of AC mains to another in the case of failure in the existing phase; it also changeover to generator if there is failure in all the three phases of the AC mains. The circuit also senses the restoration of any or all the three phases of the mains and changeover without any notice...[read more to downlooad complete material]
0090]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH USING CONTACTOR: The Changeover Switch is a device used to switch off a power supply and subsequently switch on another power supplyr...[read more to downlooad complete material]
0091]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGE OVER SWITCH (3.7KVA) : This work is on 3.7kva automatic change over switch. An Automatic Changeover Switch switches OFF the generator and automatically changes over to NEPA. An Automatic Changeover Switch will automatically switch off your generator and change over to MAIN ( Public power supply/NEPA) on resumption....[read more to downlooad complete material]
0092]. DESIGN AND CONSTRUCTION OF A 60A THREE PHASE AUTOMATIC CHANGEOVER SWITCH: This project work is on the design and construction of a 60A automatic changeover for 3-phase power supply. It provides a means of switching from one phase of AC mains to another in the case of failure in the existing phase; This project has been improved...[read more to downlooad complete material]
0093]. CONSTRUCTION OF AUTOMATIC CHANGE OVER WITH GENERATOR TRIP OFF (USING A REMOTE CONTROL): As technological advancement has been on the increase in our society many have fallen in love with technology and world want to have a feel in virtually to every thing they do. An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA. An Automatic Changeover Switch will automatically switch off your generator and change over to MAIN ( Public power supply/NEPA)...[read more to downlooad complete material]
0094]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER FOR 3-PHASE POWER SUPPLY : This project work is on the design and construction of automatic changeover for 3-phase power supply. It provides a means of switching from one phase of AC mains to another in the case of failure in the existing phase; This project has been improved on the existing types of electromechanical device that has being in use over the years. Hence this has been achieved by the use of operational amplifier, timing circuit and high current relay switches and it is powered by 12V dc power supply. The aim of this work is to design and construct an Auto changeover introduces an automatic solution to overcome power fluctuation/phase interruption by selecting next most healthy available phase to feed the equipment without any notice of power outage...[read more to downlooad complete material]
0095]. DESIGN AND CONSTRUCTION OF A SINGLE PHASE AUTOMATIC CHANGEOVER SWITCH WITH PHASE SELECTOR : This project work is on the design and construction of an automatic changeover with phase selector. It provides a means switching from generator set to PHCN on power resumption and at the same time switching from one phase of AC mains to another in the case of failure in the existing phase; This project has been improved on the existing types of electromechanical device that has being in use over the years. Hence this has been achieved by the use of operational amplifier, timing circuit and high current relay switches and it is powered by 12V dc power supply.The aim of this work is to design and construct an Auto changeover introduces an automatic solution to overcome power fluctuation/phase interruption by selecting next most healthy available phase to feed the equipment without any notice of power outage...[read more to downlooad complete material]
0096]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH WITH GENERATOR TRIP-OFF DEVICE : The Change Over Switch is a device used to switch off a power supply and subsequently switch on another power supply. An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA. An Automatic Changeover Switch will automatically switch off your generator and change over to MAIN ( Public power supply/NEPA) on resumption.This device save fuel and...[read more to downlooad complete material]
0097]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC PHASE SELECTOR FOR 3-PHASE POWER SUPPLY: This project work is on the design and construction of automatic phase selector for 3-phase power supply. It provides a means of switching from one phase of AC mains to another in the case of failure in the existing phase; This project has been improved on the existing types of electromechanical device that has being in use over the years...[read more to downlooad complete material]
0098]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED AUTOMATIC 3-PHASE SELECTOR: In three phase equipment’s, if supply voltage is low in any of the one phase and you if you wish to run all the equipment properly. This equipment will help you to rescue this situation. However proper rating fuse need to be used in three phase i.e. R, Y, and B inputs lines. Where the correct voltage is available that time. Other low voltage phase shift to correct voltage in same manner, to run all the equipment on the single phase in the building. The circuit consist of relay comparator, transformer resistor and other minor electronics components...[read more to downlooad complete material]
0099]. DESIGN AND CONSTRUCTION OF A PHASE SEQUENCE CHECKER FOR THREE PHASE SUPPLY : The project is designed to provide uninterrupted AC mains supply i.e., 230 volt to a single phase load. This is achieved by automatic changeover of the load from the missing phase to the next available phase in a 3 phase system. It is often noticed that power interruption in distribution system is about 70% for single phase faults while other two phases are in normal condition. Thus, in any commercial or domestic power supply system where 3 phase is...[read more to downlooad complete material]
0100]. DESIGN AND CONSTRUCTION PHASE SEQUENCE INDICATOR: Phase-Sequence Indicator is an electromagnetic or induction instrument used to indicate the phase sequence in three-phase electric circuits. The phase sequence determines the direction of rotation of three-phase electric motors; the correct operation of some measuring instruments and automatic control devices also depends on the phase sequence. Phase-sequence indicators are usually constructed as miniature asynchronous ...[read more to downlooad complete material]
0101]. DESIGN AND CONSTRUCTION OF A PHASE FAILURE CONTROLLER FOR THREE PHASE EQUIPMENT: Electrical power system engineering comprises power generation, transmission, distribution, and the utilization of electricity. Modern trends in the development of electric power systems explore means of improving efficiency in these stages mentioned...[read more to downlooad complete material]
0103]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC TRANSFER SWITCH (ATS): Automatic Transfer Switch is a device for initiating an automatic changeover from mains supply to generator supply through many intermediate transfer stages which involves activating the fuel valve, choke valve and the generator starter. In an Automatic Transfer Switch, everything is fully automatic. When the utility power goes out, the transfer switch signals your generator to start. Once the generator is running the transfer switch automatically connects your home or business to the generator. When the utility power is restored, the transfer...[read more to downlooad complete material]
0104]. THE DESIGN AND CONSTRUCTION A 220 VAC AUTOMATIC VOLTAGE STABILIZER : This project is titled the design and construction of a 220 AC Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may...[read more to downlooad complete material]
0105]. DESIGN AND CONSTRUCTION OF A 92.5MHz FM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves. FM transmitter is basically...[read more to downlooad complete material]
0106]. DESIGN AND CONSTRUCTION OF A 500W SINEWAVE POWER INVERTER SYSTEM : This project is titled the design and construction of a pure sine wave inverter system. Pure sine wave inverters produce a pure sine wave output. This means the power output from a pure sine wave inverter is the same as the mains supply. What you may not know is that not all inverters are created equal. The output from many inverters is a modified sine wave, inferior to the 220 volt ...[read more to downlooad complete material]
0107]. DESIGN AND CONSTRUCTION OF A 7.5KVA PURE SINEWAVE POWER INVERTER SYSTEM : Pure sine wave inverters produce a pure sine wave output. This means the power output from a pure sine wave inverter is the same as the mains supply. What you may not know is that not all inverters are created equal. The output from many inverters is a modified sine wave, inferior to the 220 volt mains power supply. Pure sine wave inverters produce a pure sine wave output. A pure sine wave is not only...[read more to downlooad complete material]
0108]. DESIGN AND CONSTRUCTION A 200W AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of a 200w Automatic Voltage Stabilizer. A voltage stabilizer is an electrical appliance used to feed constant voltage current to electrical gadgets like ACs and computers, and protects them from damage due to voltage fluctuations. It works on the principle of a transformer, where the input current is connected to primary windings and output is received from secondary windings. When there is a drop in incoming ...[read more to downlooad complete material]
0109]. DESIGN AND CONSTRUCTION OF 200W UNINTERRUPTIBLE POWER SUPPLY:UPS are designed so that there is one source of power normally used called the primary power source and another source that kicks in if the primary is disrupted called the secondary power source. The power from the wall is always one of those sources and the battery contains within the UPS is the other. A switch is used to control each of these powers and the equipment of any given time. The switch changes from the primary of the secondary when it detects the primary has gone out. It switches back from the secondary power the primary power, source has returned...[read more to downlooad complete material]
0110]. DESIGN AND CONSTRUCTION OF AN UNTERUTIBLE POWER SUPPLY USING MICROPROCESSOR WITH LOW BATTERY ALARM: The purpose of this project is to design and construct an uninterruptible power supply. Uninterruptible power supply is a voltage regulatory and uninterruptible power device planned to electromechanically sustain a constant voltage level and supply an uninterruptible power to devices...[read more to downlooad complete material]
0112]. DESIGN AND CONSTRUCTION OF 500W UNINTERRUPTIBLE POWER SUPPLY : This device stabilizes an AC input voltage of 120-260V to give an AC output voltage of 240V, provide a rechargeable backup power supply the system and also provide low battery indication automatically. The automatic feature can be achieved by the electronics devices used such voltage comparator IC, electro-magnetic device (relay), auto- transformer and other electronics devices...[read more to downlooad complete material]
0113]. DESIGN AND CONSTRUCTION OF 1000W UNINTERRUPTIBLE POWER SUPPLY: This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0114]. DESIGN AND CONSTRUCTION OF 1.5KVA UNINTERRUPTIBLE POWER SUPPLY: This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0115]. DESIGN AND CONSTRUCTION OF 2.5KVA UNINTERRUPTIBLE POWER SUPPLY : This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0116]. DESIGN AND CONSTRUCTION OF 2KVA UNINTERRUPTIBLE POWER SUPPLY: This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0117]. DESIGN AND CONSTRUCTION OF 3.5KVA UNINTERRUPTIBLE POWER SUPPLY: This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0118]. DESIGN AND CONSTRUCTION OF 20KVA UNINTERRUPTIBLE POWER SUPPLY: This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0119]. DESIGN AND CONSTRUCTION OF 10KVA UNINTERRUPTIBLE POWER SUPPLY: This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically switch over to the inverter source thereby providing additional power to the appliances in use without interruption...[read more to downlooad complete material]
0120]. DESIGN AND CONSTRUCTION OF A 500W SOLAR POWER INVERTER :This work is on solar inverter, which is an electrical powering device that converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection...[read more to downlooad complete material]
0121]. DESIGN AND CONSTRUCTION OF A 1KVA SOLAR POWER INVERTER:Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ...[read more to downlooad complete material]
0122]. DESIGN AND CONSTRUCTION OF A 1.5KVA SOLAR POWER INVERTER:Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar inverter, Solar panels produce direct electricity with ...[read more to downlooad complete material]
0123]. DESIGN AND CONSTRUCTION OF A 2KVA SOLAR POWER INVERTER: Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar inverter, Solar panels produce direct electricity with the ...[read more to downlooad complete material]
0124]. DESIGN AND CONSTRUCTION OF A 2.5KVA SOLAR POWER INVERTER:Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the appliances that we use at home work on alternative current. This AC is created by the constant back and forth of the electrons from negative to positive. In AC electricity the voltage can be adjusted according to the use of the appliance. As solar panels only produce Direct current the solar inverter is used to convert the DC to AC...[read more to downlooad complete material]
0125]. DESIGN AND CONSTRUCTION OF A 3.5KVA SOLAR POWER INVERTER: Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the appliances that we use at home work on alternative current. This AC is created by the constant back and forth of the electrons from negative to positive. In AC electricity the voltage can be adjusted according to the use of the appliance. As solar panels only produce Direct current the solar inverter is used to convert the DC to AC...[read more to downlooad complete material]
0126]. DESIGN AND CONSTRUCTION OF A 5KVA SOLAR POWER INVERTER:Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the appliances that we use at home work on alternative current. This AC is created by the constant back and forth of the electrons from negative to positive. In AC electricity the voltage can be adjusted according to the use of the appliance. As solar panels only produce Direct current the solar inverter is used to convert the DC to AC...[read more to downlooad complete material]
0127]. DESIGN AND CONSTRUCTION OF A 10KVA SOLAR POWER INVERTER: Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the appliances that we use at home work on alternative current. This AC is created by the constant back and forth of the electrons from negative to positive. In AC electricity the voltage can be adjusted according to the use of the appliance. As solar panels only produce Direct current the solar inverter is used to convert the DC to AC...[read more to downlooad complete material]
0128]. DESIGN AND CONSTRUCTION OF A 500W POWER INVERTERS (WITH 12V*2 BATTERY AND 220VAC) : This project is on design and construction of a 5KVA inverter with input battery 24V to Output 220Vac 50Hz. A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC). The input voltage, output voltage and frequency, and overall power handling, are dependent on the design of the specific device or circuitry...[read more to downlooad complete material]
0129]. DESIGN AND CONSTRUCTION OF A 5KVA DC TO AC POWER INVERTER USING 24VOLT DC AND 8 RECHARGEABLE BATTERY: This project is on design and construction of a 5KVA inverter with input battery 24V to Output 220Vac 50Hz. A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC). The input voltage, output voltage and frequency, and overall power handling, are dependent on the design of the specific device or circuitry...[read more to downlooad complete material]
0130]. DESIGN AND CONSTRUCTION OF A DC TO AC POWER INVERTER INCORPORATED WITH BATTERY CHARGER: A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC). The input voltage, output voltage and frequency, and overall power handling, are dependent on the design of the specific device or circuitry...[read more to downlooad complete material]
0131]. THE DESIGN AND CONSTRUCTION OF AUTOMATIC FENCE LIGHT CONTROLLER : This project work is titled automatic fence light controller. The project, construction of automatic fence light controller was designed to trigger a relay to operate security AC lamp at Sunset. The lamp remains on till morning and then turns off. This eliminates the need of switching the fence lamp daily and also helps to light the premises of the house when the occupants are out of station...[read more to downlooad complete material]
0132]. DESIGN AND CONSTRUCTION OF LIGHT SENSITIVE ALARM : This project work is on the construction of light sensitive alarm. Which aim at activating an alarm at sunrise and deactivate it at sunset. This light sensitive alarm can triggers an alarm at sunrise indicating that there is daylight. The lamp remains ON till dark hour and then turns off...[read more to downlooad complete material]
0133]. DESIGN AND CONSTRUCTION OF A DARK ACTIVATED ALARM : This project work is on the construction of dark activated alarm. Which aimed at activating a switch or AC lamp at sunset and deactivate it at sunrise. This Dark activated Switch can trigger a relay to operate an AC lamp at Sunset. The lamp remains on till morning and then turns off. This eliminates the need of switching the Porch lamp or...[read more to downlooad complete material]
0134]. DESIGN AND CONSTRUCTION OF A RAIN DETECTOR (ALARM):Due to the rate of damages that occur to our industrials and homes possessions during rainfall. This rain alarm will give you an alarm indication the instant it starts to rain, hopefully giving you time to close windows and bring in possessions in our homes and to keep so many of our industrial machines in a proper place. The alarm has also the ability to indicate when it stops raining, by that time the alarm will stop. This project was designed to indicate when it is raining and also to indicate when the rain has stop. Apart from these two applications, there are other applications that this alarm has which would be mentioned in this work...[read more to downlooad complete material]
0135]. DESIGN AND CONSTRUCTION OF A RAIN OPERATED WIPER : In the present automobiles the number of facilities is much higher. The driver has to concentrate on road while driving, and with increased traffic, things get frustrating. The features in the car like GPRS to trace the route, music system, air condition system etc may drive away the attention of the driver...[read more to downlooad complete material]
0136]. DESIGN AND CONSTRUCTION OF A WATER LEVEL INDICATOR WITH SINGLE 7 SEGMENT LED DISPLAY: Water Level Indicator is an electronic device that is designed to detect the presence of water and provide an alert in time to allow the prevention of water damage. A common design is a small cable or device that lies flat on a floor and relies on the electrical conductivity of water ...[read more to downlooad complete material]
0137]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED WATER LEVEL CONTROLLER USING 89C52:The Water Level Controller System is an Electronic Equipment which when electrically connected to the starter of any given pump -set motor will control the operation of the pump- set depending upon the water level in the Source and Destination Storage Tanks. It Switches ON the Pump-set when Water level drops below pre-set level (i.e. T2 level) in Overhead Tank, Switches OFF the Pump-set...[read more to downlooad complete material]
0138]. DESIGN AND CONSTRUCTION OF A WATER LEVEL INDICATOR: This project is titled the design and construction of a water level sensor system. It is designed to indicate the level of water to over-head tank. The circuit uses the widely available CD4066, bilateral switch CMOS IC to indicate the water level through LEDs.When the water is empty the wires in the tank are open circuited and the 180K resistors pulls the ...[read more to downlooad complete material]
0139]. DESIGN AND CONSTRUCTION OF A MOTION BASED AUTOMATIC DOOR OPENNER :The project is titled design and construction of an automatic gate opener using motion detecting sensor. Opening and closing of doors is always a tedious job, especially in places like shopping malls, hotels and theatres where a person is always required to open the door for visitors. This project proposes a system of automatic opening and...[read more to downlooad complete material]
0140]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL INDICATOR (WITH TRANSISTOR): This project is titled the design and construction of a water level sensor system. It is designed to indicate the level of water to over-head tank. In this system, transistors are used; all the transistors are working as a switch. When the...[read more to downlooad complete material]
0141]. DESIGN AND CONSTRUCTION OF AN AUTOMOBILE FUEL LEVEL INDICATOR: Automobile fuel level indicator is an instrument used to indicate the level of fuel contained in a tank. Commonly used in most motor vehicles, these may also be used for any tank including underground storage tanks...[read more to downlooad complete material]
0142]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL INDICATOR WITH ALARM : This project is titled the design and construction of a water level sensor system. It is designed to indicate the level of water to over-head tank. This device is unique because this water level indicator circuit also has an alarm feature. It not only indicates the amount of water present in the overhead tank but also gives an alarm when the tank is full...[read more to downlooad complete material]
0143]. DESIGN AND CONSTRUCT A SINGLE PHASE AUTO-TRANSFORMER OF RATING 1KVA, AND STEP DOWN VOLTAGE OF 240V AND VOLTAGE TAPS OF 120, 48, 24V, 12V: The project presents here is on design and construct a single phase auto-transformer of rating 1kva, and step down voltage of 240v and voltage taps of 120, 48, 24v, 12v.An autotransformer is an electrical transformer with only one winding. In an autotransformer portions of the same winding act as both the primary and secondary. The winding has at least three taps where electrical connections are made. Autotransformers have the advantages of often being smaller, lighter, and cheaper than typical dual-winding transformers, but autotransformers have the disadvantage of not providing electrical isolation...[read more to downlooad complete material]
0144]. DESIGN AND CONSTRUCTION OF A 4-CHANNEL AUDIO MIXER: An audio mixer is an electronic device for combining, and modifying audio signals. The modified audio signals are summed to produce some combined output signals. This project is titled design and construction of a 4-channel microphone mixer. A microphone mixer is an electronic console that is used to mix different recorded tracks by changing their volume levels, adding effects and changing the timbre of each instrument on the tracks. Audio mixers are also called mixing consoles and soundboards...[read more to downlooad complete material]
0145]. DESIGN AND CONSTRUCTION OF A 3-CHANNEL MICROPHONE MIXER: A microphone mixer is an electronic console that is used to mix different recorded tracks by changing their volume levels, adding effects and changing the timbre of each instrument on the tracks. Audio mixers are also called mixing consoles and soundboards...[read more to downlooad complete material]
0146]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL CONTROLLER WITH WATER HEATER COMPARTMENT: This project is titled the design and construction of an automatic water level controller system with water heater compartment. It is designed to control flow and pumping of water to over-head tank and at the same time heat the water in the heat compartment for human usage...[read more to downlooad complete material]
0147]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC DOOR ALARM USING PIR SENSOR : This project is titled the design and construction of an automatic door alarm system using passive infrared. It is designed to indicate when someone or an intruder opens the door of homes or industries. A security gate system is designed to be placed on door in homes to provide...[read more to downlooad complete material]
0148]. DESIGN, CONSTRUCTION AND ANALYSIS OF A 2KVA AUTOMATIC VOLTAGE REGULATORY SYSTEM WITH SEVEN SEGMENT DISPLAY: Voltage delivered to our home, office or industries may sometimes fluctuate which can cause serious damages to your appliance; if not completely destroying it. Nonetheless, other sophisticated devices subjected to voltage fluctuations could malfunction and have reduced efficiency, which are costly in terms of downtime and rejects...[read more to downlooad complete material]
0149]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC DOOR BELL WITH OBJECT DETECTION: Automatic Door Bell with Object Detection detects when a visitor comes to our house. When someone comes to our house and he searches for the doorbell switch and then rings it to let us know his presence...[read more to downlooad complete material]
0150]. DESIGN AND CONSTRUCTION AN AUTO TURN-OFF BATTERY CHARGER: This project is titled design and construction of an auto turn off battery charger. Automatic battery charger presented here is an acid battery charger that is designed to charge cell phone. An Auto turn off battery charger proceeds to charge battery automatically. When the battery is charged it will shut off. The objective of this project is to design and construct an electronic device that will supply electrical energy (charges) to a cell phone battery, in a process to restore the battery's used up energy...[read more to downlooad complete material]
0151]. ASSEMBLING OF PENTIUM-4 COMPUTER : In this particular project is on assembling of a Pentium 4 computer. The Pentium 4 is a type, or class, of computer processor developed and manufactured by Intel. The Pentium 4 processor was a single core processor, used in desktop and laptop computers. The first Pentium 4 processor was codenamed Willamette and was capable of speeds from 2.2 GHz to 3.0 GHz...[read more to downlooad complete material]
0152]. ASSEMBLING OF COMPUTER SYSTEM : This project work is assembling of computer system. Computer system generally refers to a set of electronics hardware components assembled together for the purpose of performing some basic operation with much regard to speed and accuracy. A lot of people may want to see a computer system as a machine which...[read more to downlooad complete material]
0153]. ASSEMBLING OF PENTIUM-4 COMPUTER WITH MULTIPURPOSE PRINTER AND UPS : This project work is assembling of pentium-4 computer with multipurpose printer and ups. The computer system generally refers to a set of electronics hardware components assembled together for the purpose of performing some basic operation with much regard to speed and accuracy. A lot of people may want to see a computer system as a machine which specializes...[read more to downlooad complete material]
0154]. ASSEMBLING OF A COMPUTER COMPONENTS : This project work is assembling of computer components. Computer system generally refers to a set of electronics hardware components assembled together for the purpose of performing some basic operation with much regard to speed and accuracy The computer system can be viewed from much perspective depending on the users view. In all this the computer system consists of two parts to carry out its function properly: The hardware component and the software component...[read more to downlooad complete material]
0155]. ASSEMBLING OF HIGH AND LOW VOLTAGE TRANSMISSION LINE ACCESSORIES : Electric power transmission is the process by which large amounts of electricity produced at power plants, such as industrial-scale solar facilities, are transported over long distances for eventual use by consumers. In Nigeria, electricity is sent from power plants to the National transmission grid, a vast network ...[read more to downlooad complete material]
0156]. DESIGN AND CONSTRUCTION OF POWER FAILURE ALARM WITH AUTO GENERATOR STARTING DEVICE : For us to be notified when the power off condition has occurred a power failure signal device is used. This system indicates when there is power failure through alarm indication. As soon as the system experiences power failure you will receive a signal from an alarm and at the same time automatically power an...[read more to downlooad complete material]
0157]. DESIGN AND CONSTRUCTION OF A SINGLE PHASE AUTOMATIC CHANGEOVER SWITCH: The Changeover Switch is a device used to switch off a power supply and subsequently switch on another power supply. An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA. This Automatic Changeover Switch will automatically switch off your generator and change over to MAIN (Public power supply/NEPA) on resumptione...[read more to downlooad complete material]
0158]. DESIGN AND CONSTRUCTION OF POWER BOOSTER/ POWER OPTIMIZER: Gone are the days when you wait for NEPA and PHCN before you use your appliances. Iron booster is a cautioner between the supplier and the load. This booster can be plugged to small generator like tiger generator and bigger generators. It does not affect the sound of the generator neither will it destroy your generator set in any ways. It will help you to plug your iron and other ...[read more to downlooad complete material]
0159]. DESIGN AND CONSTRUCTION OF POWER BOOSTER DEVICE USING IRONING AND HEATING ELEMENT ON A 650W GENERATOR : This work is on power booster device, that is, using ironing and heating element on a 650w generator. This booster can be plugged to small generator like tiger generator and bigger generators. It does not affect the sound of the generator neither will it destroy your generator set in any ways. It will help you to plug your iron and other heating elements in the output of your generating plant without damage to your generator coil e.g: Ironing of clothes, water heater, electric kettle, microwave, electric cooker/Hot plate, toaster, and blender...[read more to downlooad complete material]
0160]. DESIGN AND CONSTRUCTION OF POLICE SIREN USING 555 TIMERS : A police siren is a loud electronics device that produces sound similar to police siren. Police siren is used to get other road users or drivers on the road out of their way. Electronic sirens incorporate circuits such as oscillators, modulators, and amplifiers to synthesize a selected siren tone (wail, yelp, pierce/priority/phaser...[read more to downlooad complete material]
0161]. DESIGN AND CONSTRUCTION OF A POWER BANK: Portable Power Banks are comprised of a special battery in a special case with a special circuit to control power flow. They allow you to store electrical energy (deposit it in the bank) and then later use it to charge up a mobile device...[read more to downlooad complete material]
0162]. DESIGN AND CONSTRUCTION OF A THYRISTOR SPEED CONTROL OF A DC MOTOR: DC motors are widely used in industries because of its versatile characteristics and because of power electronics devices its controlling is becoming sophisticated and precise, but on the other hand because of the power electronics devices power factor and total harmonics distortion problem is becoming more prominent. In this paper DC motor control methodology is proposed which includes thyristor based converters but with improved power factor and total harmonics distortion...[read more to downlooad complete material]
0163]. DESIGN AND CONSTRUCTION OF A DC MOTOR CONTROLLER USING CHOPPER: The speed control of separately excited dc motor is carried out by varying the armature voltage for below rated speed and by varying field flux to achieve speed above the rated speed. This thesis presents the speed control methodology by varying armature voltage using chopper by providing control signal to the switches. Speed can be controlled from below and up to rated speed .The firing circuit of chopper receives signal from controller and variable voltage is given to the armature of dc motor according to the desired speed .There are two controllers we are using here one is speed controller and other is current controller. Both controllers are of proportional - integral type. The reason behind using PI type controller is it removes the delay and provides fast control...[read more to downlooad complete material]
0164]. DESIGN AND CONSTRUCTION OF A CLAP ACTIVATED SWITCH : Clap activated switch is an electronics device that can switch on & off a light, Fan, Radio or any other appliance by the sound of clap. This is the system of a very sensitive clap switch. It switches ON/OFF a White LED or electrical appliances through claps. The circuit can sense the sound of claps from a distance of 1-2 meters. Condenser Mic picks up sound vibrations caused by the clap. These sound vibrations are...[read more to downlooad complete material]
0165]. DESIGN AND CONSTRUCTION OF A CLAP ACTIVATED SWITCH USING TRANSISTORS : Clap activated switch is an electronics device that can switch on and off a light, Fan, Radio or any other appliance by the sound of clap...[read more to downlooad complete material]
0166]. DESIGN AND CONSTRUCTION OF PASSIVE INFRARED (PIR) BASED AUTOMATIC DOOR ALARM SYSTEM: The project is on a passive infrared (PIR) based automatic door alarm system used in places like shopping malls, hotels and theatres. This project proposes a system of automatic sensing any body movement object near the door. This is achieved with help of a PIR (Passive Infrared) sensor. A live body generally emits infrared energy which is sensed by the PIR sensor from a considerable distance. This sensing signal is fed to an integrated circuit to trigger a buzzer. When a body approaches within the operating range of the sensor, it sends a logical command through an alarm indicating that someone is approaching the door. If there is no further movement within the PIR operating range...[read more to downlooad complete material]
0167]. DESIGN AND CONSTRUCTION OF A PIR SENSOR BASED SECURITY SYSTEM: This electronic security system can be used in banks and other high security areas. A normal electronic security system will have a transmitter and a receiver. The transmitter sends out an IR laser and this will be received by the receiver. When an intruder walks past the device, the IR beam is cut and thus the alarm is activated. But, this ...[read more to downlooad complete material]
0168]. DESIGN AND FABRICATION OF A PIPE ROTATOR : When welding is being carried out on a pipe, there are a lot of things to keep in mind. Some of these are vitally important, and if done correctly can affect the entirety of the weld. Pipe welding can be quite complex work that requires a lot of skill, but pipe rotators make that work much easier...[read more to downlooad complete material]
0169]. DESIGN AND CONSTRUCTION OF A MOTION SENSOR LIGHT CONTROL SYSTEM : A motion detector is a device that detects moving objects, particularly people. A motion detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. Motion detectors form a vital component of automated lighting control. Its use is to illuminate an area when a person walks by so that he or she can see well. Many people place motion detectors in their backyards or even in their houses so that when they walk through that area, the lights will automatically turn on...[read more to downlooad complete material]
0170]. DESIGN AND CONSTRUCTIONOF AN AUTOMATIC GATE OPENING AND CLOSING SYSTEM USING INFRARED: The project is titled design and construction of an automatic gate opener using infrared. Opening and closing of doors is always a tedious job, especially in places like shopping malls, hotels and theatres where a person is always required to open the door for visitors...[read more to downlooad complete material]
0171]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC MOTION SENSOR: Motion detector detects moving objects, particularly people. A motion detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. Motion detectors form a vital component of automated lighting control. Its use is to illuminate an area when a person walks by so that he or she can see well. Many people place motion detectors in their backyards or even in their houses so that when they walk through that area, the lights will automatically turn on...[read more to downlooad complete material]
0172]. DESIGN AND CONSTRUCTION OF AN ALCOHOL SENSING DISPLAY WITH ALARM : This work is on an alcohol sensing system that measures alcohol intake, displays percentage of alcohol and also sounds an alarm if it is above a particular threshold. Here we use an alcohol sensor circuit along with LCD display and a buzzer alarm. Our system first uses the alcohol sensor in order to detect alcohol...[read more to downlooad complete material]
0173]. DESIGN AND CONSTRUCTION OF AN ALCOHOL DETECTOR AND ENGINE CUT OFF DEVICE: This device measures alcohol intake, displays percentage of alcohol and also automatically shutdown the engine of the car the drunk person is driving (or about to drive) if it is above a particular threshold. Here we use an alcohol sensor circuit along with LCD display and a relay for shutting down the system...[read more to downlooad complete material]
0174]. DESIGN AND CONSTRUCTION OF AN ALCOHOL BREATHALYZER CIRCUIT USING 8051 MICROCONTROLLER (AT89S51): This project work is on a breathalyzer circuit using 8051 microcontroller. This device outputs the blood alcohol content (BAC) from the breath. The BAC is displayed in percentage on a 3 digit seven segment display. The microcontroller used if AT89S51 which belongs to the 8051 family and the alcohol sensor is MQ135 gas sensor from Futurelec...[read more to downlooad complete material]
0175]. DESIGN AND CONSTRUCTION OF AN ALCOHOL DETECTION WITH VEHICLE CONTROLLING SYSTEM: The main purpose behind this project is “Drunk driving detection”. Now a days, many accidents are happening because of the alcohol consumption of the driver or the person who is driving the vehicle. Thus Drunk driving is a major reason of accidents in almost all countries all over the world. Alcohol Detector in Car project is designed for the safety of the people seating inside the car. This project should be fitted / installed inside the vehicle...[read more to downlooad complete material]
0176]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC DOOR: Door automation is generally reserved for two purposes, accommodating high flows of pedestrian traffic and providing accessibility for people with disabilities. Automatic entrance/exit door control is widely used in public places such as grocery stores, businesses, transportation stations, airports, and wholesale department stores to eliminate the need of manually opening and...[read more to downlooad complete material]
0177]. DESIGN AND CONSTRUCTION OF A PROXIMITY DETECTION SENSOR : A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact. Examples of proximity sensor usage include detecting an out-of-paper condition in a printer or a mobile phone screen that dims to save battery life when placed near a face. Proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation...[read more to downlooad complete material]
0178]. DESIGN AND CONSTRUCTION OF A BURGULAR ALARM : The main objective of this project was to ensure a proper security to building against theft or intruder. The circuit uses CD4011 Cmos IC which was wired as a timing circuit, as tone generator and amplifier to obtain a maximum audible sound. The CD4011 times the circuits and also generates a tone and this tone is send to transistor which amplifies the tone generated through a loud speaker or buzzer. This device functions as a major security alarms used...[read more to downlooad complete material]
0179]. DESIGN AND CONSTRUCTION OF A CURTAIN OPENER AND CLOSER SYSTEM: This circuit will open and close the curtain of your home and office just by pushing a switch. So with the help of this unique circuit, we do not need to move from one place to open and close the curtain. This circuit is used for household use, particularly for smaller doors and windows. Due to its small size and readily available components, it can be effortlessly fixed with a curtain...[read more to downlooad complete material]
0180]. DESIGN AND CONSTRUCTION OF A POWER FAILURE NOTIFICATIONS FROM ISOCKET : Power failure may be caused by various factors: an overload on the power plant, a thunderstorm, cable breakage during excavations. Whatever the reason you will be notified as soon as the power failure occurred in your remote area and you can act accordingly. This device notified the user when the remote power off condition has occurred. It is an intelligent device iSocket, which has a power off alarm function. This smart device is designed for remote control devices. You can command remote power on, remote power off via an SMS or a phone call. As soon as the system experiences power failure you will receive a power failure alarm...[read more to downlooad complete material]
0181]. DESIGN AND CONSTRUCTION OF A POWER BACK /UTILITY POWER RETURN ALERT: power back or utility power return alert which is also known as Power restoration alarm is a monitoring device that will trigger a buzzer when the mains supply is restored. This device is helpful to inform the restoration of power supply to some critical installation such as a pump in a fish tank. Once the buzzer sound, one will know that there is a restoration of power supply and actions need to be taken to switch ON and OFF all necessary appliances...[read more to downlooad complete material]
0182]. DESIGN AND CONSTRUCTION OF A RADIO FREQUENCY JAMMER : A Radio Frequency jammer is a device used to disrupt or prevent communication via a broadcasted RF signal. Simultaneously, they can blocks all commercial FM broadcast band (87.5 MHz to 108 MHz) and GSM signal transmissions within the jammer's transmission range. The device can possibly block these frequencies by transmitting a dirty signal (like noise) on the same frequency at which the GSM and radio system operates. A Radio Frequency jammer transmits a radio frequency signal on the same frequency at which the radio system operates and the jamming succeeds when the radio sets in the area where the jammer is located are disabled...[read more to downlooad complete material]
0183]. DESIGN AND CONSTRUCTION RECHARGEABLE AC LAMP USING ENERGY BULB : This work is on Rechargeable AC lamp which is a rechargeable source of light that is generated from an AC sources and stored in a rechargeable battery which is to be used during power outage using an energy saving bulb as the lighting device. It also serves as immanency sources of light mostly used when there is failure from out public power supply (P.H.C.N)...[read more to downlooad complete material]
0184]. DESIGN AND CONSTRUCTION RECHARGEABLE LANTERN USING LED:Nowadays, because of low energy or power consumption, low heat emission, low cost, the portability, wider application, LEDs are highly used than florescent in lantern. For instance, LEDs use about half the wattage of fluorescent lighting, about 6 watts of power versus 14 watts of power for a CFL light bulb. For an LED bulb’s lifespan, about 340 kilowatt hours of electricity is used. Fluorescent bulbs used over 60,000 hours (6 bulbs) will use around 840 kilowatt hours of electricity, also The light focuses on where the bulb is pointed rather than bathing the wider area in light...[read more to downlooad complete material]
0185]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE ELECTRONIC MOSQUITO REPELLENT : The aim of this work is to design a device which can produce ultrasound in the frequency range of 20 kHz to 38 kHz, which can scare away mosquitoes using a rechargeable power source...[read more to downlooad complete material]
0186]. DESIGN AND CONSTRUCTION OF AN ELECTRONIC MOSQUITO REPELLENT :This work is titled design and construction of an electronic mosquito repellent circuit. Mosquito repellents like coils, mats, liquid vaporizers, creams are often used at various places. However they are prone to be fatal and can cause harm to human beings. For instance, mosquito repellent creams and oils can cause adverse affects on the skin like allergic reactions. Coils, mats can produce toxic fumes when heated and cause breathing trouble, whereas liquid vaporizers can also produce fumes when heated...[read more to downlooad complete material]
0187]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE SOCKET: This work is on design and construction of a rechargeable socket. Rechargeable socket is a consumer electronics device used for powering and charging low power electronics device such as cell phone charger, rechargeable lantern and other low power devices. It comprises one or more electrochemical cells. The rechargeable batteries generate smaller voltage which then provides a mains voltage to the wall socket. Therefore, a transformer is plugged into the wall socket and produces the necessary voltage for powering appliances. The batteries are rated at 9.0v, and a current of 262 mA. The wall socket provides a voltage of 220v. This device can be charged by electricity...[read more to downlooad complete material]
0188]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE STANDING FAN : This work is on rechargeable standing fan. The project involves using mains power supply to recharge power standing fan. Rechargeable standing fan, charges with mains power supply, then the charged battery is used to run the fan when there is power outage...[read more to downlooad complete material]
0189]. THE DESIGN AND CONSTRUCTION OF REMOTE ACTIVATED ELECTRONIC DOOR BELL: Remote activated electronic bell is a signaling device typically placed near an entry door to a building. When a visitor presses the remote the bell rings inside the building, alerting the occupant to the presence of the visitor...[read more to downlooad complete material]
0190]. DESIGN AND CONSTRUCTIONOF A SENSOR OPERATED AUTOMATIC DOOR SYSTEM: The project is titled design and construction of a sensor operated automatic door system. Opening and closing of doors is always a tedious job, especially in places like shopping malls, hotels and theatres where a person is always required to open the door for visitors. This project proposes a system of automatic opening and closing of door by using sensors. The PIR sensor transmitter emit infrared radiation from a considerable distance and sends it to the receiver, commanding the receiver to either open the gate or to close it. This sensing signal is fed to a controller to operate a door motor through motor driver IC. The sensor sends a logical command to open the door. The door automatically closes with a fixed time delay...[read more to downlooad complete material]
0191]. DESIGN AND CONSTRUCTION OF A SECURITY GATE SYSTEM : This project is titled the design and construction of a security gate system. It is designed to indicate when someone or an intruder opens the gate of homes or industries. A security gate system is designed to be placed on gates in homes to provide security ...[read more to downlooad complete material]
0192]. DESIGN AND CONSTRUCTION OF A FINGERPRINT AUTENTICATION SYSTEM: We are in an era of greater security risk and increasing regulation, more organizations are implementing strong authentication to protect their data and meet regulatory compliance demands...read and download
0193]. DESIGN AND CONSTRUCTION OF A REMOTE CONTROL GATE: This work is titled design and construction of automatic or remote controlled gate. Remote control gate is a technology that involves using remote to control a gate. This device uses remote to control the automatic closing and openning a gatet...[read more to downlooad complete material]
0194]. DESIGN AND CONSTRUCTION OF A SENSITIVE CLAP SWITCH: Clap activated switch is an electronics device that can switch on and off a light, Fan, Radio or any other appliance by the sound of clap. This is the system of a very sensitive clap switch. It switches ON/OFF a White LED or electrical appliances through claps. The circuit can sense the sound of claps from a distance of 1-2 meters. Condenser Mic picks up sound vibrations caused by the clap...[read more to downlooad complete material]
0195]. DESIGN AND CONSTRUCTION OF A SHADOW DETECTOR WITH AN ALARM: Shadow alarms are widely used for security purposes. Project can be easily installed on the windows and doors. This circuit demonstrates the principle and operation of a simple shadow alarm using LDR. So it can be used at night by shopkeepers to protect the valuables in their showrooms. A dim lighting in the room is necessary to detect the moving shadow. Unlike opto-interruption alarms based ...[read more to downlooad complete material]
0196]. DESIGN AND CONSTRUCTION OF A SHADOW SECURITY ALARM SYSTEM : This system sounds an alarm whenever a shadow falls on it. Shadow alarms are widely used for security purposes. Project can be easily installed on the windows and doors. This circuit demonstrates the principle and operation of a simple shadow alarm using LDR. So it can be used at night by shopkeepers to protect the valuables in their showrooms. A dim lighting in the room is necessary to detect the moving shadow. Unlike opto-interruption alarms based on light-dependent resistors (LDRs), it does not require an aligned light beam to illuminate the photo-sensor...[read more to downlooad complete material]
0197]. SERVOMOTOR MAGNETIC RESONANCE IMAGING (MRI): A servomotor is a specific type of motor and rotary encoder combination, usually with a dedicated, that forms a servomechanism. This assembly may in turn form part of another servomechanism. The encoder provides position and usually speed feedback, which by the use of a PID controller allow more precise control of position and thus faster achievement of a stable position (for a given motor power)...[read more to downlooad complete material]
0198]. DESIGN AND CONSTRUCTION OF A PASSWORD BASED DOOR LOCK SYSTEM USING 8051 MICROCONTROLLER: Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. These techniques are an integration of mechanical and electronic devices and highly intelligent. One of the prominent features of these innovative lock systems is their simplicity and high efficiency. Such an automatic lock system consists of electronic control assembly which controls the output load through a password. This output load can be a motor or a lamp or any other mechanical/electrical load...[read more to downlooad complete material]
0199]. DESIGN AND CONSTRUCTION OF A PASSWORD BASED CIRCUIT BREAKER: The circuit breaker is an absolutely essential device in the modern world, and one of the most important safety mechanisms in your home. Whenever electrical wiring in a building has too much current flowing through it, these simple machines cut the power until somebody can ...[read more to downlooad complete material]
0200]. DESIGN AND CONSTRUCTION OF A REMOTE CONTROLLED POWER SUPPLY UNIT: The paper presents the design and construction of an infrared remote controlled power supply-switching unit, which is a device that enables the user to operate or control the mains power supplied from approximately 5 to 10 meters away. The remote transmits a beam of light using an infrared light emitting ...[read more to downlooad complete material]
0201]. DESIGN AND CONSTRUCTION OF A SMOKE DETECTOR ALARM USING PHOTO INTERUPTER AND 555 TIMER: This project is titled design and construction of a smoke detector alarm. Fire/smoke alarm is an electronics device that is installed in a building to detect the presence of fire accident. Smoke detector alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. Smoke detector alarm systems are intended to notify the building occupants to evacuate in the event of a fire or other emergency, report the event to an off-premises location in order to summon emergency services, and to prepare the structure and associated systems to control the spread of fire and smoke...[read more to download complete material]
0202]. SIMULATION OF A SPACE VECTOR PWM CONTROLLER FOR A THREE-LEVEL VOLTAGE-FED INVERTER MOTOR DRIVE: Multilevel voltage-fed inverters with space vector pulse width modulation strategy are gained importance in high power high performance industrial drive applications. This paper proposes a new simplified space vector PWM method for a three-level inverter fed induction motor drive. The three- level inverter ...[read more to downlooad complete material]
0203]. DESIGN AND CONSTRUCTION OF A REMOTE CONTROL GATE USING 8051 MICROCONTROLLER: This work is titled design and construction of automatic or remote controlled gate. Remote control gate is a technology that involves using remote to control a gate. This device uses remote to control the automatic closing and openning a gate...[read more to downlooad complete material]
0204]. DESIGN AND CONSTRUCTION OF AN ELECTRONICS NOTICE BOARD USING LED: Electronic Signboard is a device used for communication, to convey information such that its receiver can make cognitive decisions based on the information provided. In general, signage can be classified into the following functions: (a)Information (b)Direction(c)Identification. Light-emitting diode (LED) technology is frequently used in signs. This technology, first used primarily at sporting events, later appeared at businesses, churches, schools, and government buildings...[read more to downlooad complete material]
0205]. DESIGN AND CONSTRUCTION OF A STRESS METER : This work is on stress meter. This stress monitor lets you assess your emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep. This device is based on the principle that the resistance of the skin varies in accordance with your emotional states. If the stress level is high the skin offers less resistance, and if the body is relaxed the skin resistance is high. The low resistance of the skin during high stress is due to an increase in the blood supply to the skin. This increases the permeability of the skin and hence the conductivity for electric current...[read more to downlooad complete material]
0206]. CONSTRUCTION OF A STRESSMETER AND BLOOD PRESSURE METER: Stress can cause hypertension through repeated blood pressure elevations as well as by stimulation of the nervous system to produce large amounts of vasoconstricting hormones that increase blood pressure. Factors affecting blood pressure through stress include white coat hypertension, job strain, race, social environment, and emotional distress...[read more to downlooad complete material]
0207]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE LED LANTERN WITH DUAL POWER SOURCE: Nowadays, because of low energy or power consumption, low heat emission, low cost, the portability, wider application, LED bulbs are highly used than florescent lamp when building lantern. This work is on LED lantern with dual power supply which uses an AC source to power the lamp when there is mains power supply and also use a rechargeable battery which is charged with mains source which is to be used during power outage using LEDs as the lighting device. It also serves as immanency sources of light mostly used when there is failure from out public power supply (P.H.C.N)...[read more to downlooad complete material]
0208]. DESIGN AND CONSTRUCTION OF A COAL-FIRED POWER GENERATOR: Coal-fire power generator is a power plant in which the prime mover is steam driven, and the steam is been heated with coal. Water is heated (with coal), turns into steam and spins a steam turbine which drives an electrical generator. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated; this is known as a Rankine cycle....[read more to downlooad complete material]
0209]. COMPARACTIVE ANALYSIS OF UNDERGROUND CABLE FAULT DISTANCE LOCATOR : Cable fault location is the process of locating periodic faults, such as insulation faults in underground cables, and is an application of electrical measurement systems. Underground distribution cables are usually characterized with different technical difficulties regarding detecting and locating their faults. Different factors participate into these difficulties including their remarkable charging currents, cable construction and variations of their equivalency resulted from...[read more to downlooad complete material]
0210]. DESIGN AND CONSTRUCTION OF A CLOSE CIRCUIT MONITOR: This work is titled design and construction of a close circuit monitor. A close circuit monitor involves using a video camera or photography camera to monitor the situation of an environment. Closed-circuit monitor is the use of cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point (P2P), point to multipoint, or mesh wireless links. Though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience...[read more to downlooad complete material]
0211]. DESIGN AND CONSTRUCTION OF A DUAL POWER SUPPLY: This work is on a dual power supply. A dual output power supply is a power source that provides two separate Direct Current (DC) or Alternating Current (AC) voltage outputs. Both are usually electrically isolated from the power supply input by a transformer. The outputs may be electrically isolated from each other as well, depending upon the design. It may be an adjustable power supply or it may provide fixed voltages or currents. In electrical and electronics engineering, dual power supply are used to supply positive polarity (+Vcc) as well as negative polarity (-Vcc, not connected to ground!) and ground potential to appliances...[read more to downlooad complete material]
0212]. DESIGN AND CONSTRUCTION OF A BUS IDENTIFICATION SYSTEM FOR THE BLIND: Many technologies have recently made noticeable changes in several domains. This paper will shed the light on the field of transportation to improve the life quality of visually impaired persons (VIPs) using some of these technologies such as Radio Frequency identification (RFID) and wireless sensors network. Furthermore, a mechatronic system architecture and an appropriate design for its components will be proposed. This system will allow VIPs to safely catch buses with the help of an audio device and a tactile interface through a wireless communication system (Wi-Fi) between the transmitter and the receiver. VIPs will have the opportunity to get information about bus/transit stop locations and departure times or other transit schedule information. The motivation behind this project is that buses are vital in enabling blind people to participate fully in society, access to facilities and services...[read more to downlooad complete material]
0213]. DESIGN AND CONSTRUCTION OF A 9V REGULATED POWER SUPPLY:A 9v regulated power supply is an electronic device that supplies regulated 9v electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another. A 9v regulated Power supply takes in AC power from the mains supply and delivers a DC voltage to the item requiring power. To obtain a 9v DC power supply using a single circuit. The circuit uses an IC 7809 for obtaining the required voltage. The AC mains voltage will be stepped down by the transformer T1, rectified by bridge B1 and filtered by capacitor C1 to obtain a steady DC level .The IC regulate this voltage to obtain a steady 9vDC. In this way 9v is obtained...[read more to downlooad complete material]
0214]. DESIGN AND IMPLIMENTATION OF CUSTOMER CALL TRACKING SYSTEM : This project report is on "Customer Call Tracking System". This system will deal with all the aspects of CRM (Customer Relationship Management) starting from Customer’s Problem entry, processing, complaint resolution, tracking of complaints as well as report generation. This is a Oracle web application intended to provide automated solution to customer’s problem/complaint. Customer call tracking system is used in recording conversation between a caller and receiver. This information can then be used to calculate your conversion rate more effectively. You can also use call recording for training and quality control purposes for your customer service representatives...[read more to downlooad complete material]
0215]. DESIGN AND IMPLEMENTATION OF A WIRELESS VIDEO SENDER: This device is for transmitting for domestic audio and video signals wirelessly from one location to another. It is most commonly used for sending the output of a source device, such as a satellite television decoder, to a television in another part of a property and provides an alternative to cable installations...[read more to downlooad complete material]
0216]. DESIGN AND CONSTRUCTION OF RFID AND PASSWORD BASED AUTOMATIC DOOR ACCESS CONTROL SYSTEM: Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. These techniques are an integration of mechanical and electronic devices and highly intelligent. One of the prominent features of these innovative lock systems is their simplicity and high efficiency...[read more to downlooad complete material]
0217]. DESIGN AND IMPLIMENTATION OF WEB BASED BUG TRACKING SYSTEM: Bugs have been existed as a problem in the system and they are normally inevitable in software development. Most software bugs arise from mistakes and errors made by people in either a program, source code or its technical design. Huge amount of bugs could be found in system development. It was relatively difficult to manage bugs in simple word documents ...[read more to downlooad complete material]
0218].GSM-BASED DISTRIBUTION TRANSFORMER MONITORING SYSTEM: This paper presents design and implementation of a mobile embedded system to monitor and record key operation indicators of a distribution transformer like load currents, transformer oil and ambient temperatures...[read more to downlooad complete material]
0219]. DESIGN AND CONSTRUCTION OF A WIRELESS HOSPITAL PATIENT EMERGENCY NURSE CALL-UP SYSTEM: Much difficulty is experienced in hospitals and nursing homes with the proper response to calls for nurses by patients and also to matters of security. Various systems are employed, sometimes in a rather haphazard or makeshift manner, for calling nurses to the rooms of patients. Most frequently, each patient has in ready reach near the bed a push ...[read more to downlooad complete material]
0220]. DESIGN AND CONSTRUCTION OF A WIND POWER GENERATOR: Wind results from air in motion. Air in motion arises from a pressure gradient. Wind can be broadly classified as “planetary” and “local”. Planetary winds are caused by greater solar heating of the earth`s surface near the equator than near the northern or southern poles. This cause warm tropical air to rise and flow ...[read more to downlooad complete material]
0221]. DESIGN AND CONSTRUCTION OF AN FM WIRELESS MICROPHONE: This paper presents the design and construction of a wireless microphone FM transmitter with a range of about 100meters. Wireless microphone FM transmitter with a range of about 100meters. The use of cable microphones creates inconvenience and obstruction while in use so it becomes ...[read more to downlooad complete material]
0222]. DESIGN AND CONSTRUCTION OF A WIRELESS DC MOTOR SPEED AND DIRECTION CONTROL USING RADIO FREQUENCY: Wireless remote controlled dc motor explained in this project. Motor control through RF communication is a very interesting application and is widely used in robotics, electronics toys, automation systems etc. This topic covers the way DC motors can be driven by using the controls from a distant place. The controls are transferred from one end to another by employing an RF signal...[read more to downlooad complete material]
0223]. THE DESIGN AND CONSTRUCTION OF A WIRELESS DC MOTOR SPEED CONTROLLER USING INFRARED: This project is titled the design and construction of a wireless dc motor speed controller. That is, varying the speed of DC motor from a remote place without any wire connection. The circuit was designed, and developed using pulse width modulation (PWM). PWM method was used to vary the speed of the DC motor. To make it, IR transmitter and IR sensor was used. There ...[read more to downlooad complete material]
0224]. DESIGN AND IMPLIMENTATION OF A WIRELESS VIDEO AUDIO TRANSMITTER AND RECEIVER OVER FREQUENCY MODE: The era of wire or cable connection for reception of audio and video media is almost obsolete. Now technology is making everything wireless and stress free. This device is another brilliant technology that can let you connect your audio and video footage from one point to another without wires, example connect different TVs in different locations(rooms) from your DVR(DSTV Decoder) without running wires, CCTV cameras to Monitor without running wires, DVD to TVs or speakers in different rooms without running cables...[read more to downlooad complete material]
0225]. DESIGN AND CONSTRUCTION OF WIRELESS MOTION DETECTOR:A wireless motion detector is a device that detects moving objects, particularly people. A motion detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. Wireless motion detectors form a vital component of security, automated lighting control, home control, energy efficiency, and other useful systems. Wireless motion detector do not require drilling, and they communicate with the other security system components wirelessly...[read more to downlooad complete material]
0226]. DESIGN AND CONSTRUCTION OF A WIRELESS DOOR BELL: Today the traditional wired type of doorbells are gradually getting obsolete and are being replaced by the advanced wireless type of doorbells that are easier to install due to their hassle free set-ups. Wireless doorbell system generally comprises at least one RF transmitter powered by a battery or other power source, such as existing electrical wiring, and a RF receiver. ...[read more to downlooad complete material]
0227]. DESIGN AND CONSTRUCTION OF WIRELESS LOAD CONTROLLER BY GSM: Today the traditional wired type of doorbells are gradually getting obsolete and are being replaced by the advanced wireless type of doorbells that are easier to install due to their hassle free set-ups. Wireless doorbell system generally comprises at least one RF transmitter powered by a battery or other power source, such as existing electrical wiring, and a RF receiver...[read more to downlooad complete material]
0228]. WORKING OF LIQUID CRYSTAL DISPLAYS (LCD):We always use devices made up of Liquid Crystal Displays (LCDs) like computers, digital watches and also DVD and CD players. They have become very common and have taken a giant leap in the screen industry by clearly replacing the use of Cathode Ray Tubes (CRT). CRT draws more power than LCD and are also bigger and heavier. All of us have seen an LCD, but no one knows the exact working of it. Let us take a look at the working of an LCD. This work focuses on the working principle of liquid crystal display...[read more to downlooad complete material]
0229]. WIRELESS VIDEO SURVEILLANCE SYSTEM USING CCTV:This work is on wireless video surveillance system using cctv. wireless video surveillance system using cctv is an Image monitoring device is essential in all fields where security is required and where continuous monitoring is required. Image monitoring is widely used in commercial stores and banks to prevent theft, in industries for security, in VIP’s house and offices for security. This project auto image monitoring system consists of sensors placed at the entrance of doors to sense the persons coming in and going out, and is given as input to the microcontroller. Microcontroller is programmed to turn the camera in the direction which the person enters. Camera is provided with the transmitter to transmit signal which is received and interfaced with the TV to view the image...[read more to downlooad complete material]
0230]. DESIGN AND IMPLIMENTATION OF WIRELESS COMMUNICATION FOR VEHICLE SAFETY: Many accidents occur today when distant objects or roadway impediments are not quickly detected. To help avoid these accidents, longer-range safety systems are needed with real-time detection capability and without requiring a line-of-sight (LOS) view by the driver or sensor. Early detection at intersections is required for obstacle location around blind corners and dynamic awareness of approaching vehicles on intersecting roadways...[read more to downlooad complete material]
0231]. DESIGN AND CONSTRUCTION OF A WIRELESS MOBILE CHARGING BY INDUCTIVE COUPLING:As power requirements for portable devices increase, consumers are looking for easy-to-use charging solutions that can be deployed in a wide array of environments such as home, office, automobiles, airports, schools and more. Wireless charging uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device...[read more to downlooad complete material]
0232]. DESIGN AND CONSTRUCTION OF A WIRELESS SWITCH CIRCUIT USING CD4027: Generally appliances that we used in our home are being controlled with the help of devices like switches, sensors. However sometimes it is dangerous to have physical contact with these switches. So to overcome these dangers, here we have explained a circuit that needs no physical contact with the appliance. In these circuits all you need is to pass your hand above LDR. As you first pass your hand over LDR the device connected with it started and remain in that state till you again pass your hand above LDR...[read more to downlooad complete material]
0233]. DESIGN AND IMPLEMENTATION OF A WALKIE-TALKIE:A walkie-talkie is a half-duplex communication device; multiple walkie-talkies use a single radio channel, and only one radio on the channel can transmit at a time, although any number can listen. The transceiver is normally in receive mode; when the user wants to talk he presses a "push-to-talk" (PTT) button that turns off the receiver and turns on the transmitter. Typical walkie-talkies resemble a telephone handset, possibly slightly larger but still a single unit, with an antenna mounted on the top of the unit. Where a phone's earpiece is only loud enough to be heard by the user, a walkie-talkie's built-in speaker can be heard by the user and those in the user's immediate vicinity. Hand-held transceivers may be used to communicate between each other, or to vehicle-mounted or base stations...[read more to downlooad complete material]
0234]. DESIGN AND CONSTRUCTION OF A WIRELESS CONTROLLED DOOR-BELL: Now day’s wireless control of appliance is in practice, because of its advantage like no wire is needed, multiple controlling is less complicated. By considering these all, the innovative group Dreamlover Technology designed and verified the circuit of wireless Doorbell. The controlling range of wireless doorbell is 100M. As the wireless doorbell is wireless based project, it is divided into two major section i.e. transmitter and receiver...[read more to downlooad complete material]
0235]. WIRELESS RF NETWORK CABLE TESTER: Wireless network cable tester to check whether RF signal is present in the network cable or not. It is a non contact version tester and can detect the presence of RF signal from a distance of two feet. It can be used to check all kinds of signal cables like Ethernet cable, Modem cable, Dish TV cable etc. The device lights an LED at the moment it accepts RF energy around the cable...[read more to downlooad complete material]
0236]. DESIGN AND CONSTRUCTION OF A WIRELESS MOBILE BATTERY CHARGER:This work explains a simple wireless battery charger circuit that charges your mobile when placed near the transmitter. This circuit may be used as wireless power transfer circuit, wireless mobile charger circuit, wireless battery charger circuit...[read more to downlooad complete material]
0237]. AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER: Automatic Room Light Controller with Bidirectional Visitor Counter is a reliable circuit that takes over the task of controlling the room lights as well us counting number of persons / visitors in the room very accurately. When somebody enters into the room then the counter is incremented by one and the light in the room will be switched ON and when any one leaves ...[read more to downlooad complete material]
0238]. DESIGN AND CONSTRUCTION OF A WIRELESS CAR IMMOBILIZER: Master Lock anti-theft car immobilizer is wireless. It disables the starter motor or fuel pump automatically when you turn off the car. It is designed to turn itself off and allow the car to start again when the driver returns. These are factory new units, however they don't have instructions and we aren't sure how fresh the small coin battery (CR2032) in the remotes are. To use just unplug your existing relay and plug in the Master Lock starter sentry relay. The Master Lock starter sentry relay has a complete 64 bit rolling code receiver built into the relay case (a real accomplishment of miniaturization) so that would be thieves are blocked out...[read more to downlooad complete material]0239]. DESIGN AND CONSTRUCTION OF A LOW AND HIGH VOLTAGE MONITOR: Low and high voltage monitor is designed to protect electrical appliances from over voltage as well as under voltage. The under/over voltage monitor circuit with time delay presented in this work is a low cost and reliable circuit for protecting such equipments from damages. Whenever the power line is switched on it gets connected to the appliance only after a ...[read more to downlooad complete material]
0240]. DESIGN AND CONSTRUCTION OF A HIGH AND LOW VOLTAGE CUT-OFF WITH TIME DELAY: The power line fluctuations and cut-offs causes damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge and air conditioners. If a fridge is operated on low voltage, excessive current flows through the motor, which heats up, and get damaged...[read more to downlooad complete material]
0241]. DESIGN AND CONSTRUCTION WIRELESS SCADA TELEMETRY RADIOS: This work is on wireless SCADA telemetry radios. SCADA is the acronym for Supervisory Control and Data Acquisition. SCADA is a computer-based system for gathering and analyzing real-time data to monitor and control equipment that deals with critical and time-sensitive materials or events...[read more to downlooad complete material]
0242]. DESIGN AND CONSTRUCTION OF A 1KM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves...[read more to downlooad complete material]
0243]. DESIGN AND CONSTRUCTION OF A YAGI-UDA ANTENNA: This project is on yagi-uda antenna. Yagi-Uda antenna is a directional antenna consisting of multiple parallel elements in a line, usually made of metal rods. Yagi-Uda antennas consist of a single driven element connected to the transmitter or receiver with a transmission line, and additional parasitic elements: a so-called reflector and one or more directors...[read more to downlooad complete material]
0244]. DESIGN AND CONSTRUCTION OF A YAGI-UDA ANTENNA FOR LOCAL TELEVISION STATION: Yagi is very widely used as a high-gain antenna on the HF, VHF and UHF bands. It has moderate gain which depends on the number of elements used, typically limited to about 17 dBi, linear polarization, unidirectional (end-fire) beam patternwith high front-to-back ratio of up to 20 db. and is lightweight, inexpensive and simple to construct...[read more to downlooad complete material]
0245]. THE DESIGN AND CONSTRUCTION OF ELECTRONIC BELL WITH INDICATING LIGHT:An electronic bell is a signaling device typically placed near an entry door to a building. When a visitor presses a button the bell rings inside the building, alerting the occupant to the presence of the visitor. Modern house bells are electric — they are actuated by an electric switch...[read more to downlooad complete material]
0246]. DESIGN AND FABRICATION OF A FOUNDRY SAND MIXER USING LOCALLY AVAILABLE MATERIALS:Most small foundry shops mix their sand manually which is not efficient since homogenous mix cannot be guaranteed and even when foundry mixer are available most of them are imported costing the nation huge foriegn exchange. A foundry sand mixer capable of mixing foundry sand has been designed and fabricated using locally available material. The sand mixer components machine frame, mixing pan, motor ...[read more to downlooad complete material]
0247]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC EMERGENCY LIGHTING SYSTEM: An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. Emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories. Most building codes require that they be installed in older buildings as well. It is powered by a NiCad battery that is being charged by the main power line when there is no blackout...[read more to downlooad complete material]
0248]. DESIGN AND CONSTRUCTION AN AUTOMATIC VOLTAGE STABILIZER: A voltage stabilizer is an electrical appliance used to feed constant voltage current to electrical gadgets like ACs and computers, and protects them from damage due to voltage fluctuations. It works on the principle of a transformer, where the input current is connected to primary windings and output is received from secondary windings. When there is a drop in incoming voltage, it activates electromagnetic relays which add to more number of turns in the secondary winding, thus giving higher voltage which compensates for loss in output voltage. When there is rise in the incoming voltage, the reverse happens, and, thus, the voltage at the output side remains almost unchanged...[read more to downlooad complete material]
0249]. DESIGN AND CONSTRUCTION OF A VEHICLE TRACKING SYSTEM USING GPS AND GSM MODEM: Currently almost of the public having an own vehicle, theft is happening on parking and sometimes driving insecurity places. The safe of vehicles is extremely essential for public vehicles. Vehicle tracking and locking system installed in the vehicle, to track the place and locking engine motor. The place of the vehicle identified using Global Positioning system (GPS) and Global system mobile communication (GSM). These systems constantly watch a moving Vehicle and report the status on demand. When the theft identified, the responsible person send SMS to the microcontroller, then microcontroller issue the control signals to stop the engine motor. Authorized person need to send the password to controller to restart the vehicle and open the door. This is more secured, reliable and low cost...[read more to downlooad complete material]
0250]. DESIGN AND CONSTRUCTION OF A VARIABLE POWER SUPPLY: This project work is on design of a variable power supply. This work makes it possible for someone that wants to run, say a 3v radio with a power supply without using 2 * 1.5AA battery or powering any other device of higher or lower voltage rating without considering buying a new power supply. A variable power supply is an electronic device that supplies different level of electric energy to an electrical load. The primary function of a variable power supply is to supply different electrical energy to loads that fall at the same rating limit...[read more to downlooad complete material]
0251]. DESIGN AND CONSTRUCTION OF A VACUUM CLEANER: Dust can be harmful to somesone’s health, mostly people with respiratory conditions like asthma, chronic obstructive airways disease (COAD) or emphysema even small dust particle inhaled may cause irritation of the eyes,coughing,sneezing, hayfever or asthma attacks. In workshop, dust and dirty can cause serious damage to health as well as reducing the effectiveness of your machine, or even causing damage to it. To avoid this, vacuum cleaner may be used. Vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and from other surfaces such as upholstery and draperies. The dirt is collected by either a dustbag or a cyclone for later disposal...[read more to downlooad complete material]
0252]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC VEHICLE DETECTOR USING RFID TECHNOLOGY:Currently almost of the public having an own vehicle, theft is happening on parking and sometimes driving insecurity places. The safe of vehicles is extremely essential for public vehicles. Vehicle tracking and locking system installed in the vehicle, to track the place and locking engine motor. The place of the vehicle identified using Global Positioning system (GPS) and Global system mobile communication (GSM). These systems constantly watch a moving Vehicle and report the status on demand. When the theft identified, the responsible person send SMS to the microcontroller, then microcontroller issue the control signals to stop the engine motor. Authorized person need to send the password to controller to restart the vehicle and open the door. This is more secured, reliable and low cost...[read more to downlooad complete material]
0253]. DESIGN AND FABRICATION OF VERTICAL ANIMAL FEED MIXER: This paper presents the design and fabrication of a poultry feed industrial tumble mixer. The design computations to handle a 50Kg mass of feed was done in the MS Excel environment for proper machine design approach. The machine was designed using proper material selection was done before the assembling and fabrication of parts. The efficiency of the machine, its associated cost of production and the product obtained after few minutes of mixing were outstanding, thereby, making the design acceptable and cost effective...[read more to downlooad complete material]
0254]. DESIGN AND CONSTRUCTION OF A HIGH (<40db) VHF – UHF RECEIVING ANTENNA: Television antenna, or TV aerial, is an antenna specifically designed for the reception of over-the-air broadcast television signals, which are transmitted at frequencies from about 41 to 250 MHz in the VHF band, and 470 to 960 MHz in the UHF band in different countries...[read more to downlooad complete material]
0255]. DESIGN AND CONSTRUCTION OF A VEHICLE INTERIOR LIGHTING WITH SWITCH OFF DELAY: Nowadays, a switch-off delay for the vehicle interior lighting is a naturally a standard feature. However, with certain models having only spartan fittings, or older-model vehicles, you’re left sitting in the dark as soon as you climb in and close the door...[read more to downlooad complete material].
0256]. EFFECT OF TEMPERATURE ON THE VISCOSITY OF WATER, MILK AND CORN OIL: Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction. For example, high-viscosity felsic magma will create a tall, steep stratovolcano, because it cannot flow far before it cools, while low-viscosity mafic lava will create a wide, shallow-sloped shield volcano...[read more to downlooad complete material]
0257]. DESIGN AND CONSTRUCTION OF A VOICE OPERATED FIRE EXTINGUISHER VEHICLE:This project is titled design and construction of voice operated fire extinguisher vehicle. Voice operated fire extinguisher vehicle is a robot designed for extinguishing fire through a voice recognition voice via a wireless approach. It will use voice-to-digital signal conversion which is transmitted via radio frequency communication to the robotic vehicle. The robotic vehicle will contain a water sprinkler. The robot should move in the desired direction as per voice command. The project aims at designing an intelligent voice operated fire extinguishing robotic vehicle which can be controlled wirelessly through RF communication. The Robotic vehicle has a camera mounted on it...[read more to downlooad complete material]
0258]. CONSTRUCTION OF A VOLTAGE-OPERATED EARTH LEAKAGE PROTECTION SYSTEM:Voltage-operated Earth Leakage protection system is a voltage operated circuit breaking device. The device will function when the Current passes through the Earth Leakage protection system. Voltage- operated Earth Leakage protection system contains relay Coil which it being connected to the metallic load body at one end and it is connected to ground wire at the other end...[read more to downlooad complete material]
0259]. DESIGN AND CONSTRUCTION OF VOLTAGE SELECTOR USE IN THE LABORATORY WITH VOLTAGE OUTPUT OF 12, 9, 6, 4.5 AND 3VOLTS: This project work is on design of a voltage selector power supply. This work makes it possible for someone that wants to run, say a 3v radio with a power supply without powering any other device of higher or lower voltage rating without considering buying a new power supply. A voltage selector power supply is an electronic device that supplies different level of electric energy to an electrical load. The primary function of a selected power supply is to supply different electrical energy to loads that fall at the same rating limit...[read more to downlooad complete material]
0260]. DESIGN AND CONSTRUCTION OF A WINDPUMP: A windpump is a type of windmill which is used for pumping water. In wind pump, the blades of the windmill wheel catch the wind—just like the sails on a sailboat—which turns the wheel (rotor). The wheel is attached to a shaft by long arms. The shaft has small pinion gears at the other end, inside a gearbox. The pinion gears drive larger bull gears, which move pitman arms. The pitman arms push a sliding yoke up and down, above the bull gears (much like a crankshaft, connecting rod, and piston in a standard vehicle engine). The moving yoke lifts and drops the pump rod to do the work down below...[read more to downlooad complete material]
0261]. DESIGN AND CONSTRUCTION OF A WATER ALERT INFORMATION: Water leaks, large or small can and do cause thousands of pounds, if not hundred of thousands of pounds of damage to schools, factories, farms, shops & homes very single year.This is becoming a bigger problem year on year, as global warming and construction upon flood plains increases. Obviously a small water leak from a pipe cannot be put down to global warming, but as insurance companies have to keep paying out larger and larger amounts of money for large floods each year, they are also putting more and more restrictions and clauses in their policies...[read more to downlooad complete material]
0263]. DESIGN AND CONSTRUCTION OF A WHISTLE TO BEEP CIRCUIT: This device produces a beeping sound that lasts for around 3 seconds whenever you make a whistle. The CMOS Hex inverter CD4049 is the heart of this circuit. Out of the six inverters in CD4049, U1a is wired as an audio amplifier which amplifies the signal picked up by the microphone M1.The U1b is wired as a band pass filter with center frequency around 2KHz.The filter is necessary in order to pass the frequency corresponding to whistling sound and suppress all other frequencies .If the filter is not there, the circuit could easily get false triggered.U1d is wired as a 3S delay monostable multivibrator...[read more to downlooad complete material]
0264]. DESIGN AND CONSTRUCTION OF A WAILING ALARM:A wailing alarm is a loud noise making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Wailing alarm is used on emergency service vehicles such as ambulances, police cars and fire trucks. There are two general types: pneumatic and electronic. Wailing alarm serve double duty as tornado or civil defense sirens, alerting an entire community of ...[read more to downlooad complete material]
0265]. DESIGN AND CONSTRUCTION OF A 100W STEREOPHONIC AMPLIFIER: This work is titled the design and construction of 100W Stereophonic amplifier. Stereophonic amplifier is also known or called Audio power amplifier, which is a device for increasing the audio power of a signal by use of an external energy source. It is design to meet up with the amplification demand in homes, offices, industries and especially in ...[read more to downlooad complete material]
0266]. DESIGN AND CONSTRUCTION OF A WIRELESS PATIENT HEARTBEAT AND TEMPERATURE MONITORING SYSTEM:This work is on microcontroller based heart rate and body temperature measuring device with LCD output. Heart rate of the subject is measured from the index finger using IRD (Infra Red Device sensors and the rate is then averaged and displayed on a text based LCD)...[read more to downlooad complete material]
0267]. DESIGN AND CONSTRUCTION OF A VOLTAGE AMPLIFIER: An amplifier increases the voltage, current, or power of a signal. Amplifiers are used in wireless communications and broadcasting, and in audio equipment of all kinds. They can be categorized as either weak-signal amplifiers or power amplifiers...[read more to downlooad complete material]
0268]. DESIGN AND CONSTRUCTION OF A USB AIR CONDITION: Air conditioning (often referred to as A/C or AC) is the process of altering the properties of air (primarily temperature and humidity) to more comfortable conditions, typically with the aim of distributing the conditioned air to an occupied space such as a building or a vehicle to improve thermal comfort and indoor air quality. In common use, an air conditioner is a device that lowers the air temperature. The cooling is typically achieved through a refrigeration cycle, but sometimes evaporation or free cooling is used. Air conditioning systems can also be made based on desiccants...[read more to downlooad complete material]
0269]. DESIGN AND CONSTRUCTION OF USB MOBILE CHARGER: This work is on constructing of USB mobile charger. Now the charging of your mobiles has been made easy with the help of USB outlets present in the Laptop and PC. For the charging of your mobile phone, this circuit provides you a regulated voltage of 4.7 volts. 5 volts of DC voltage and 100mA of current is being provided by the USB...[read more to downlooad complete material]
0270]. DESIGN AND CONSTRUCTION OF RF BASED REMOTE CONTROLLER FOR ELECTRIC LAMP: This project work deals on the design and construction of an Rf based remote control for an electronic/electrical device say electric lamp with the aim of switching on/off of the lamp at discretion and from a distance. It also eliminates the inconveniences associated with manual switching of lamps ...read and download
0271]. DESIGN AND CONSTRUCTION OF SPEED CHECKER AND OVERS-PEED DETECTION FOR HIGHWAYS: This work is on a device to detect rash driving on highways and to alert the traffic authorities in case of any violation. In past, lot of devices to detect rash driving on highways has been made.Most of the approaches require human concentration and involve a lot of effort, which is difficult to implement. In this paper we intend to design a system aimed at early detection and alert of dangerous vehicle driving patterns related to rash driving. The speed limit is set by the police who use the system depending upon the traffic at the very location. The time taken by the vehicle to travel from one set point to the other is calculated by control circuit and displays that on seven segment displays. Moreover, if the vehicle crosses the speed limit, a buzzer sounds alerting the police...[read more to downlooad complete material]
0272]. PROTECTING POWER GRID FROM CYBER ATTACK: The nation's electrical grid, a sprawling network of substations, transformers and transmission lines, such as these in Chester, and other countries in Africa – such as Nigeria, is highly susceptible to cyber and physical attacks by saboteurs or terrorists, security officials say. This work deals on how power grid can be protected from cyber attack...[read more to downlooad complete material]
0273]. LOW FREQUENCY OSCILLATION DUMPING BY STATIC SYNCHRONOUS SERIES COMPENSATION: This paper proposes designing of Static Synchronous Series Compensator (SSSC) based damping controller to enhance the stability of a Single Machine Infinite Bus (SMIB) system by means of Invasive Weed Optimization (IWO) technique. Conventional PI controller is used as the SSSC damping controller which takes rotor speed deviation as the input. The damping controller parameters are tuned ...[read more to downlooad complete material]
0274]. AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER: This Project ―”Automatic Room Light Controller with Bidirectional Visitor Counter” is a reliable circuit that takes over the task of controlling the room lights as well us counting number of persons / visitors in the room very accurately. When somebody enters into the room then...[read more to downlooad complete material]
0275]. DESIGN AND CONSTRUCTION OF AUTOMATIC SLIDING DOOR WITH OBJECT DETECTOR: The project is titled design and construction of an automatic sliding door with object detector. Opening and closing of sliding doors is always a tedious job, especially in places like shopping malls, hotels and theatres where a person is always required to open the door for visitors. If we install this automatic sliding door opener using object detection circuit, the circuit will automatically sense the presence of the person and it opens the sliding door...[read more to downlooad complete material]
0276]. DESIGN AND CONSTRUCTION OF A U-TUBE HEAT EXCHANGER: In buses, fluid used to cool down the diesel engine is often passed through a heat exchanger and the heat it reclaims is used to warm cold air from outside that is pumped up from the floor of the passenger compartment. That saves the need for having additional, wasteful electric heaters inside the bus. A car radiator is another kind of heat exchanger. Water that cools the engine flows through the radiator, which has lots of parallel, aluminum fins open to the air. As the car drives along, cold air blowing past the radiator removes some of the heat, cooling the water and heating the air and keeping the engine working efficiently...[read more to downlooad complete material]
0277]. DESIGN AND CONSTRUCTION OF AN ULTRASONIC WATER LEVEL CONTROLLER WITH 8051 MICROCONTROLLER: In our day-to-day life, we frequently use different types of sensors in various electronic appliances such as proximity sensor-mobile phone, motion sensor-automatic door operating system, temperature sensor-automatic fan speed controller...[read more to downlooad complete material]
0278]. THE IMPACT OF GSM JAMMER ON SERVICE DELIVERY AND ITS APPLICATIONS IN LECTURE AUDITORIUM: Mobile phone jammer is an instrument used to prevent cellular phones from receiving signals from base stations. When used, the jammer effectively disables cellular phones. These devices can be used in practically any location, but are found primarily in places where a phone call would be particularly disruptive because silence is expected. Jamming is usually distinguished from interference that can...[read more to downlooad complete material]
0279]. DESIGN AND CONSTRUCTION OF AN INTELLIGENT TRAFFIC LIGHT CONTROL SYSTEM: This work is on design of an intelligent traffic control system traffic light, also known as traffic signal, stop light, traffic lamp, stop and go light, robots or semaphore, are signaling devices positioned at road inspections, pedestrian crossing, and other locations to control competing flows of traffic. Intelligent Traffic Light Controllers are based on microcontroller and microprocessor...[read more to downlooad complete material]
0280]. CONSTRUCTION OF CHARGING UNIT OF AN INVERTER FOR 3KVA INVERTER ON HYBRID:Charger recharges the inverter batteries. It also allows any surplus AC power to pass through and power downstream AC loads, such as a television set. When AC power is disconnected, the unit inverts DC battery power into AC electricity. Charging unit of an inverter charges the inverter battery automatically when battery voltage is below the specified voltage. The charging unit automatically shut off the charging process when battery attains full charge...[read more to downlooad complete material]
0281]. DESIGN AND CONSTRUCTION OF A FIRE ALARM PANEL: The fire alarm panel is the central element of any fire alarm system. All devices are connected to the fire panel, which typically provides power to them and information is relayed back and forth to determine whether there is a fire and if so activate an appropriate warning. This device receives information from environmental sensors designed to detect changes associated...[read more to downlooad complete material]
0282]. DEVELOPMENT OF A DIGITAL FORENSIC ANALYSIS FOR SIM CARD: Smart cards are fundamental technology in modern life. It is embedded in numerous devices such as GPS devices, ATM cards, Mobile SIM cards and many others. Mobile devices became the evolution of technology. It becomes smaller, faster and supports large storage capabilities. Digital forensics of mobile devices that maybe found...[read more to downlooad complete material]
0283]. CONSTRUCTION OF A TELEPHONE: This project work is on a telephone. A telephone is an instrument that transmits voice over a distance. A person can talk and communicate with another person at distant place with the use of a telephone. A telephone is a device that converts the human sound into a form that is transmittable through wire or radio technology, and reproduces it at a far away place in an audible format. A telephone receives the voice of one person through the microphone, transmit it over long distance in a way that the receiver can listen to the voice through the speaker provided with the telephone...[read more to downlooad complete material]
0284]. DESIGN AND CONSTRUCTION RECHARGEABLE LAMP USING LED WITH CHARGING MONITORING AND CONTROLLING SYSTEM: Nowadays, because of low energy or power consumption, low heat emission, low cost, the portability, wider application, LED bulbs are highly used than florescent lamp when building lantern. This work is on LED lantern with dual power supply which uses an AC source to...[read more to downlooad complete material]
0285]. DESIGN AND CONSTRUCTION OF A DIGITAL FREQUENCY COUNTER: Digital frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Frequency counters usually measure the number of oscillations or pulses per second in a repetitive electronic signal. It detects the frequency value and displays that value with the help of the LCD employed. Depending on the power supply ...[read more to downlooad complete material]
0286]. DESIGN AND CONSTRUCTION OF A DIGITAL FREQUENCY METER: Digital frequency meter measures power supply frequency in the range 48 – 52 Hz to an accuracy of three decimal places has been designed and constructed using an 8-bit micro-controller. In addition to determining the frequency and frequency deviation, it also maintains a system clock and a synchronous clock and finds the time difference between them as a measure of the time integral of frequency deviation over a given period...[read more to downlooad complete material]
0287]. DESIGN AND CONSTRUCTION OF A 3KVA SOLAR INVERTER: This work is on design and construction of a 3KVA solar inverter. Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ...[read more to downlooad complete material]
0288]. DESIGN AND CONSTRUCTION OF A 5KVA SOLAR INVERTER: This work is on solar inverter converts direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical balance of system (BOS)–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar power inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection...[read more to downlooad complete material]
0289]. THE DESIGN AND CONSTRUCTION A 1.5KVA AUTOMATIC VOLTAGE STABILIZER USING MICROCONTROLLER AND DISPLAY:Voltage stabilizers are used for many appliances in homes, offices and industries. The mains supply suffers from large voltage drops due to losses on the distribution lines en route. A voltage stabilizer maintains the voltage to the appliance at the nominal value of around 220 volts even if the input main fluctuates over a wide range...[read more to downlooad complete material]
0290]. DESIGN AND CONSTRUCTION A 1KVA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of a 1kvaAutomatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants...[read more to downlooad complete material]
0291]. DESIGN AND CONSTRUCTION OF A 2KVA PURE SINEWAVE POWER INVERTER SYSTEM: This project is titled the design and construction of a pure sine wave inverter system. Pure sine wave inverters produce a pure sine wave output. This means the power output from a pure sine wave inverter is the same as the mains supply.What you may not know is that not all inverters are created equal. The output from many inverters is a modified sine wave...[read more to downlooad complete material]
0292]. DESIGN AND CONSTRUCTION OF A 7.5KVA PURE SINEWAVE POWER INVERTER SYSTEM: An inverter converts DC power to standard AC power. Inverters are used to operate electrical equipment from the power produced by a car or boat battery or renewable energy sources, like solar panels or wind turbines. DC power is what batteries store, while AC power is what most electrical appliances need to run so an inverter is necessary to convert the power into a usable form. For example, when a...[read more to downlooad complete material]
0293]. DESIGN AND CONSTRUCTION OF A 5KVA PURE SINEWAVE POWER INVERTER SYSTEM: This project is titled the design and construction of a pure sine wave inverter system. Pure sine wave inverters produce a pure sine wave output. This means the power output from a pure sine wave inverter is the same as the mains supply. What you may not know is that not all inverters are created equal. The output from many inverters is a modified sine wave, inferior to the 220 volt mains power supply. Pure sine wave inverters produce a pure sine wave output. A pure sine wave is not only critical for the correct functioning of high end electronic equipment, it will...[read more to downlooad complete material]
0294]. DESIGN AND CONSTRUCTION OF A 10KVA PURE SINEWAVE POWER INVERTER SYSTEM:This project is titled the design and construction of a pure sine wave inverter system. Pure sine wave inverters produce a pure sine wave output. This means the power output from a pure sine wave inverter is the same as the mains supply. What you may not know is that not all inverters are created equal. The output from many inverters is a modified sine wave, inferior to the 220 volt mains power supply. Pure sine wave inverters produce a pure sine wave output. A pure sine wave is not only critical for the correct functioning of high end electronic equipment, it will...[read more to downlooad complete material]
0295]. DESIGN AND CONSTRUCTION OF A 3.5KVA PURE SINEWAVE POWER INVERTER SYSTEM: This project is titled the design and construction of a pure sine wave inverter system. Pure sine wave inverters produce a pure sine wave output. This means the power output from a pure sine wave inverter is the same as the mains supply. What you may not know is that not all inverters are created equal. The output from many inverters is a modified sine wave, inferior to the 220 volt mains power supply. Pure sine wave inverters produce a pure sine wave output. A pure sine wave is not only critical for the correct functioning of high end electronic equipment, it will...[read more to downlooad complete material]
0296]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTHOMATIC BATTERY CHARGER USING SCR: A battery is a device which can store energy in chemical form and convert that energy into electrical energy when needed. It can be secondary (rechargeable) or primary (Non rechargeable) Rechargeable batteries have an advantage over primary batteries with the fact that they can be reused. This is possible by charging a battery, i.e. feeding energy to the secondary cell by forcing electric current through it...[read more to downlooad complete material]
0297]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTHOMATIC BATTERY CHARGER WITH BATTERY FULL CUT-OFF AND DIGITAL DISPLAY: This project is on an 12 volts automatic battery charger with battery full cut-off and digital display. An automatic battery charger is an acid battery charger that is designed to charge any acid battery. In this work, a voltage sensor circuit is incorporated to sense the voltage of the battery under charge. The charger has the ability to automatically switched OFF when the battery voltage reaches the required optimum level with the help of the relay relay, the transistor and the zener diode when bend the current back to the system, and the system have the ability to indicate when the battery is charging or not, when the battery is empty or fully charged through the digital display...[read more to downlooad complete material]
0298]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATHROOM LIGHT WITH BACK-UP LAMP:Sometimes we forget to switch off the bathroom light and it remains on unnoticed for long periods. This circuit solves the problem of electricity wastage by switching off the lamp automatically after 30 minutes once it is switched on. The back-up LED lamp provided in the circuit turns on for three minutes when mains fails. This is helpful especially when you are taking a shower at night...[read more to downlooad complete material]
0299]. DESIGN AND CONSTRUCTION OF A 3.5KVA AUTOMATIC INVERTER CHANGEOVER:This work is on change over selector switch for automatic toggling of an inverter when AC mains is present and vice versa and also the system must enable automatic switching of the battery charger such that when AC mains is present the inverter battery gets charged and when AC mains fails, the battery gets connected with the inverter for supplying AC to the load. The configuration should be such that everything takes place automatically and the appliances are never switched OFF, just reverted from inverter AC to Mains AC and vice versa during mains power failures and restorations...[read more to downlooad complete material]
0300]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC EMERGENCY LIGHTING SYSTEM:An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. Emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories. Most building codes require that they be installed in older buildings as well. It is powered by a NiCad battery that is being charged by the main power line when there is no blackout...[read more to downlooad complete material]
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