This page contains project topics/write-up for 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".
Below are the continued list of our avaliable project topics/write-up. To view or download the complete work on each of the following works, click on the topic or on the useful links menu at the bottom part of this page:
[1501]: DESIGN AND CONSTRUCTION OF A VARIABLE DC MOTOR DRIVE: 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 was discussed...[read more to downlooad complete material]
[1502]: DESIGN AND CONSTRUCTION OF VOICE OPERATED NOTICE BOARD: Today notice board has become an important thing in institutes/organization or public places like railway stations, bus stands and hospitals. But to use the paper notices sticked on a notice board is a time taking and expensive process and there is wastage lot of time, paper and labour...[read more to downlooad complete material]
[1503]: DESIGN AND CONSTRUCTION OF A 2KVA CORE TYPE SINGLE PHASE TRANSFORMER: Transformer generally transforms electric power in one circuit to electric power of the same frequency in another circuit. The voltage can be raised or lowered in a circuit, but with a proportional increase or decrease in the current ratings. The main principle of operation of a transformer is mutual inductance between two circuits which is linked by a common magnetic flux. A basic transformer consists of two coils that are electrically separate and inductive, but are magnetically linked through a path of reluctance...[read more to downlooad complete material]
[1504]: DESIGN AND CONSTRUCTION OF AN ACTIVE MOBILE PHONE SIGNAL DETECTOR USING CA3130 AND 555 TIMERS: This handy, pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cell phone from a distance of one and-a-half meters. So it can be used top revent use of mobile phones in examination halls, confidential rooms, etc. It is also useful for detecting the use of mobile phone for Spying and unauthorized video transmission. The circuit can detect the incoming and outgoing calls...[read more to downlooad complete material]
[1505]: DESIGN AND CONSTRUCTION AN AC MAINS SURGE PROTECTOR WITH HIGH AND LOW VOLTAGE CUTOUT: A sudden surge or a spike is basically a sharp rise in the voltage lasting not more than a few milliseconds but enough to cause damage to our precious equipment almost instantly likewise over or under voltageIt thus becomes imperative to stop or block these from entering vulnerable electronic gadgets like our personal computers...[read more to downlooad complete material]
[1506]. DESIGN AND CONSTRUCTION OF AN ARDUINO BASED 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...[read more to downlooad complete material]
[1507]. DESIGN AND CONSTRUCTION OF AN ASTABLE MULTIVIBRATOR: The aim of this work is to design and fabricate an astable multivibrator. An Astable Multivibrator is an oscillator circuit that continuously produces rectangular wave without the aid of external triggering. Astable Multivibrator is also known as Free Running Multivibrator. The astable multivibrator is not stable and it repeatedly switches from one state to the other. Astable Multivibrator using 555 Timer is very simple, easy to design, very stable and low cost. It can be used for timing from microseconds to hours...[read more to downlooad complete material]
[1508]: CONSTRUCTION OF AUTOMATIC MOISTURE CONTROLLER: Moisture is essential for seed germination. Soil moisture and temperature are the two most important factors controlling germination, the start of root growth and emergence. Soil moisture is critical as it affects how quickly ...[read more to downlooad complete material]
[1509]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC POWER SUPPLY CONTROL FROM 4 DIFFERENT SOURCES USING PIC MICROCONTROLLER: The main purpose of this project is to provide continuous power supply to a load, by selecting the supply from any of the four sources namely solar, inverter, main and generator automatically in case if one the source is absent. The need of electricity is increasing...[read more to downlooad complete material]
[1510]. CABLE SIZING FOR SOLAR POWER: Solar energy is a type of renewable energy which is extracted by the light of sun by various modes of existing technologies like Solar cells, Photosynthesis, Photovoltaic and solar power plants. It is an important source of energy. The two techniques that are Active Solar and Passive Solar are used for the extraction of the energy from the sunlight. Over the time Solar Energy has proved to be an efficient and a clean source of energy and the connection of solar energy is done using cable...[read more to downlooad complete material]
[1511]: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 the variety of bonding and grounding methodologies...[read more to downlooad complete material]
[1512]:DESIGN AND CONSTRUCTION OF A FUELLESS GENERATOR: Power generation and distribution has been an indispensable factor in the progress of an economy, ranging from manufacturing, banking, media, health care, aviation, etc. Environmental pollution which leads to degradation or depletion of ozone layer is one of the major problem caused by the use of generator with fossil fuels. Increase in the cost of fossil fuel which has been one of the major prime movers in the internal combustion engine (ICE) has been noticed. This can be accounted for based on the rapid decrease in the level of oil well...[read more to downlooad complete material]
[1513]: DESIGN AND CONSTRUCTION OF HOUSEBELL WITH SENSOR AND INDICATING LIGHT: House bell with sensor and indicating light detects movement of visitors close the door, and then rings a bell. The movement detection feature is controlled by the ultrasonic sensor - motion detector. 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 via bell or indicating light. Motion detectors form a vital component of automated lighting control. 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]
[1514]: DESIGN AND CONSTRUCTION OF A SOLAR CONTROLLED IRRIGATION SYSTEM USING MOISTURE SENSOR, HYGROMETER AND ARDUINO: Costs of diesel for irrigation systems are increasing sharply due to the lack of availability of diesel in the markets. Moreover, the use of diesel fuel is also more expensive in the “new lands” due to the remoteness of desert farms. Taking into account the costs of transportation of diesel...[read more to downlooad complete material]
[1515]: 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 output...[read more to downlooad complete material]
[1516]: DESIGN AND CONSTRUCTION OF AN AUTOMATIC 3-PHASE SELECTOR WITH DISPLAY: 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]
[1517]: DESIGN AND CONSTRUCTION OF AN AUTOMATIC GATE USING RADIO FREQUENCY TRANSMISSION: The security challenges being encountered in many places require electronic means of controlling access to communities, recreational centres, offices, and homes. The electronically controlled automated security ...[read more to downlooad complete material]
[1518]: AUTOMATIC PHASE SELECTOR FOR 3-PHASE POWER SUPPLY: This project work is on the design and construction of automatic phase selector with changeover switch 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; 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 of power outage. 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]
[1519]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC PUMP CONTROLLER FOR BOLE HOLE: Many times we forget to pump water to our building until when the tank is finally empty and at the same time when we are pumping the water we forget to OFF the pump when the tank is full unless when our neighbors call our attention. This device is designed to control flow and overflow pumping of water to over-head bole hole tank or well...[read more to downlooad complete material]
[1520]. THE DESIGN AND CONSTRUCTION AN 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]
[1521]. 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. 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.This device was built around transistors. These sound vibrations are given to the base of transistors. It amplifies the sound collected by the Mic...[read more to downlooad complete material]
[1522]. DESIGN OF 3 PHASE 50 KVA, 11/0.415V COMPLETELY SELF- PROTECTED, OIL FILLED, AMORPHOUS TRANSFORMER: The role of a transformer is to convert high-voltage electricity supplied from a power station into lower-voltage electricity for safe use. Transformers operate 24 hours a day, seven days a week during which time they undergo constant losses of 2 to 4% of the electricity that passes ...[read more to downlooad complete material]
[1523]. DESIGN AND CONSTRUCTION OF A DC OPERATED ELECTRIC COOKER: The entire circuit is configured around the popular full-bridge IC IRS2453 which indeed makes designing full bridge inverters extremely easy and foolproof. Here we use this IC for making a DC to DC induction heater inverter circuit.As can be seen in the design the IC employs nothing more than 4 N-channel mosfets for implementing the full bridge inverter topology, additionally the IC involves an in-built oscillator and a bootstrapping network ensuring an extremely compact design for the inverter circuit...[read more to downlooad complete material]
[1524]: DESIGN, CONSTRUCTION AND ANALYSIS OF A DIGITAL AC/VC VOLTMETER USING MICROCONTROLLER: This work is on a digital using ATMEGA8 microcontroller which is an instrument used for measuring the electrical potential difference between two points in an electric circuit. Digital voltmeter gives a numerical display of voltage, current or resistance by use of an analog to digital converter. Digital voltmeters can measure a range of alternating current (AC) voltages, direct current (DC) voltages, or both AC and DC voltages. Devices typically display between three and seven digits...[read more to downlooad complete material]
[1525]: DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM USING THERMISTOR: 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. This fire alarm system composes of 555 timer IC and thermistor - which works as a smoke sensor. The aim of this project is to design and construct a fire alarm for a building that will detect the presence of fire accident in a building...[read more to downlooad complete material]
[1526]: 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...[read more to downlooad complete material]
[1527]: DESIGN AND CONSTRUCTION OF A FREE ENERGY GENERATOR: This Paper deals with the study of free energy and its generation using flywheel system. The energy storing capacity of flywheel is used to generate extra amount free energy. This extra energy is used to run s the other electrical appliances. It consist of A.C. motor of half horsepower capacity is used to drive a series of belt and pulley drive which form a gear-train and produces over double rpm at the shaft of an alternator. The intriguing thing about this system is that greater electrical output power can be obtained from the output...[read more to downlooad complete material]
[1528]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CAR PARKING SLOT INDICATOR USING MICROCONTROLLER: This System demonstrates a fully automated car parking system. For this purpose we use IR sensors along with motors, LCD display and microcontroller for controlling the system working. Our system consists of an LCD display that is used to demonstrate as a parking gate entrance display.. READ AND DOWNLOAD
[1529]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC GATE USING RADIO FREQUENCY TRANSMISSION: The security situation in many parts of the world today leaves much to be desired. In Nigeria particularly, the prevalence of armed robbers and other groups that constitute nuisance to the society has led to the loss of lives and properties worth millions of dollars. Many of the attacks that led to the loss have occurred in the homes or in guarded compounds and the attacks took place in spite of the existence of seemingly impregnable security gates that were designed to ward off intruders [1]. The needs for electronically controlled gates that have superior security features to those operated manually thus exist and have been on the increase in recent times [2]... READ AND DOWNLOAD
[1530]. DESIGN AND CONSTRUCTION OF A 4 WAY INTER-COMMUNICATION SYSTEM: An intercom is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network. Intercoms are generally mounted permanently in buildings and vehicles. Intercoms can incorporate connections to public address loudspeaker ... READ AND DOWNLOAD
[1531]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC RESIDENTIAL SECURITY LIGHTING SYSTEM: Automatic security lighting system is any electrical security lighting that is fixed outside house for the illumination of such environment or a light is a raised source of light on the edge of a road or walkway, which is turned on or lit at a certain time every night.. READ AND DOWNLOAD
[1532]. THE DESIGN AND CONSTRUCTION OF A 45 WATT AMPLIFIER: This work is titled the design and construction of a 45 Watt Amplifier. An audio Amplifier 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 music industries. An audio Amplifier low-power audio signals (signals composed primarily of frequencies between 20 - 20 000 Hz, the human range of hearing) to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain, While the input signal to an audio amplifier may measure only a few hundred microwatts, its output may be tens, hundreds, or thousands of watts... READ AND DOWNLOAD
[1533]. DESIGN AND IMPLEMENTATION OF ARDUINO BASED BLUETOOTH CONTROL SLIDING DOOR: Security is becoming an important issue everywhere nowadays. Every person wants his house, factory; bank etc to be secured. house security is becoming necessary as the possibilities of intrusion are increasing day by day. In this paper, door security system has been designed that has a unique feature . Arduino was used, which is considered one of the modern programmable device and we also used HC-05 wireless Bluetooth transreceiver so as to control door Here, our application uses Arduino as it’s controller and HC-05 as ... READ AND DOWNLOAD
[1534]. 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. It not only indicates the amount of water present in the overhead tank but also gives an alarm when the tank is full. When the water is empty the wires in the tank are open circuited and the 180K resistors pulls the switch low hence opening the switch and LEDs are OFF. As the water starts filling up... READ AND DOWNLOAD
[1535].DESIGN AN CONSTRUCTION OF A SPEED CONTROL OF A DC FAN USING A FUZZY CONTROLLER: Machines have served the humanity starting from a simple ceiling fan to higher industrial applications such as lathe drives and conveyor belts. This research work aims at providing an appropriate software based control system because it provides computer featured applications, prevents rapid signal loss, reduces noise while also significantly improves the steady state and dynamic response of the motor. In this research paper, we have worked on DC motors due to its significant advantages over other types of machine drives... READ AND DOWNLOAD
[1536]. DESIGN AND CONSTRUCTION OF A SOLAR POWER SWITCH: The majority of domestic renewable energy is generated to supplement an existing mains power supply – for example, an array of solar panels used to reduce the costs of powering a home. One way would be to separate the chosen lighting circuit completely from the mains power supply, connecting it directly to a suitable power inverter in turn connected to the renewable system battery bank, or replacing the light bulbs and fittings with low voltage equivalents... READ AND DOWNLOAD
[1537]. DESIGN AND CONSTRUCTION OF A REMOTE CONTROLLED FAN REGULATOR: The work is on design and construction of a remote controlled fan regulator. Remote controlled fan regulator is an electronics device that enables the user to operate a fan regulator from approximately 10 meters away. However, with this device one can change the speed of the fan from your couch or bed. The device would allow a person to control the speed of a fan by simply pointing the remote towards a sensor and then pressing any key. Infrared receiver module TSOP1738 is used to receive the infrared signal transmitted by remote control... READ AND DOWNLOAD
[1538]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED PROXIMITY 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... READ AND DOWNLOAD
[1539]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED PROXIMITY SENSOR FOR DOORS: 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.A proximity sensor door is able to detect the presence of nearby someone near the door without any physical contact thereby opening the door... READ AND DOWNLOAD
[1540]. DESIGN AND CONSTRUCTION OF SOLAR CHARGE CONTROLLER USING MICROCONTROLLER: 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... READ AND DOWNLOAD
[1541]. 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... READ AND DOWNLOAD
[1542]. QUEUE MANAGEMENT SYSTEM: queue management system is a system that helps service provider to manage customer in efficient way. The system can ease the customer flow management which is useful for manager of the service provider. The purpose of this project is to develop an Automated Queue Management System for organizing queuing system that can analyze the queue status and take decision which customer to be served first. This project focuses more on the banks queuing system...READ AND DOWNLOAD
[1543]. AUTOMATED QUEUE MANAGEMENT SYSTEM: Automated queue management system is a system that helps service provider to manage customer in efficient way. The system can ease the customer flow management which is useful for manager of the service provider. The purpose of this project is to develop an Automated Queue Management System for organizing queuing system that can analyze the queue status and take decision which customer to be served first. This project focuses more on the banks queuing system, different queuing algorithm approaches which are used in banks to serv... READ AND DOWNLOAD
[1544].INTELLIGENT QUEUE MANAGEMENT SYSTEM: an intelligent queue management system is a system that helps service provider to manage customer in efficient way. The system can ease the customer flow management which is useful for manager of the service provider. The purpose of this project is to develop an intelligent Queue Management System for organizing queuing system that can analyze the queue status and take decision which customer to be served first. This project focuses more on the banks queuing system, different queuing algorithm approaches which are used in banks to serv... READ AND DOWNLOAD
[1545]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC INTRUDER ALARM SYSTEM: This device warns the trespasser infrared system or Infrared Intruder Alarm circuit that interesting. By when there is a person passes or cut the light infrared. The system will clearly warn immediately, command give an indication through 7-segment display... READ AND DOWNLOAD
[1546]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC LIGHTING SYSTEM: Automatic lighting system is any electrical security lighting that is fixed outside house for the illumination of such environment or a light is a raised source of light on the edge of a road or walkway, which is turned on or lit at a certain time every night. Automatic lighting system will automatically turn on security light in the way of LEDs or bulb coupled with relay. This system employed the output from an uncomplicated light/dark activated circuit and obliges a relay in its output which can be further attached to switch ON/OFF a street light and electrical application in a household also...READ AND DOWNLOAD
[1547]. DESIGN AND CONSTRUCTION OF AN INDUSTRIAL BATCH COUNTER: The industrial batch counter is an electronic and electrical device that handles the counting and controls the flow of individuals using an automated slide door that allows access only when the administrator permits. The technique involved in the design is a simple sensor unit that opens and closes the door when someone obstructs the light path. These parameters can be used to determine when someone has moved in or out of the conference hall... READ AND DOWNLOAD
[1548]. DESIGN AND CONSTRUCTION OF A DIGITAL BATCH COUNTER: All garages are built with a capacity which determines the number of cars it can contain at any point in time. This number of cars is counted by garage officials which takes too much of times and energy to do so. In other to solve this problem, a digital batch counter was designed. This Project ―” digital batch counter” is a reliable circuit that takes over the task of counting number of cars entering the garage very accurately... READ AND DOWNLOAD
[1549]. FIREFLY OPTIMIZATION SCHEME ON NON UNIFORM ANTENNA ARRAY USING METHOD OF MOMENT USING MATLAB: The element failure of antenna arrays increases the side lobe power level. In this paper, the problem of antenna array failure has been addressed using Firefly Algorithm (FA) by controlling only the amplitude excitation of array elements. A fitness function has been formulated to obtain the error between pre-failed (original) sidelobe pattern and measured sidelobe pattern and this function has been minimized using FA. Numerical example of large number of element failure correction is presented to show the capability of this flexible approach... READ AND DOWNLOAD
[1550]. DESIGN AND CONSTRUCTION OF A MOSFET BASED POWER INVERTER: This project is titled the design and construction of a MOSFET power inverter system. 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 power grid. In order words the device / item serves as a substitute for PHCN which almost monopolises the power supply to people. It is designed in such a way that it will take up 12v DC from battery and inverts it to an output of 220v, 50Hz AC... READ AND DOWNLOAD
[1551]. DESIGN AND CONSTRUCTION OF COIN BASED WATER DISPENSER SYSTEM USING PIC MICROCONTROLLER: This paper presents the description of Coin Operated Water Dispenser. The water dispensing machine dispenses water on the detection of the right coin (correct denomination).The dispenser is designed using At mega controller. It can be used in public places like Roads, Railway stations, shopping Malls etc. It can prove to be of great use and comfort for people... READ AND DOWNLOAD
[1552]. COMPARISON AND IMPLEMENTATION OF MAXIMUM POWER POINT TECHNIQUES OF A PV SOLAR SYSTEM (USING PERTURB AND OBSERVE, INCREMENTAL CONDUCTANCE, MODIFIED PERTURB, FUZZY LOGIC AND ARTIFICIAL NEURAL NETWORK): The working behavior of a module / PV array is non-linear and highly dependent on working conditions. As a given condition, there is only one point at which the level of available power at its output is maximum. This point varies with time, enlightenment and temperature. To ensure optimum operation, the use of MPPT control allows us to extract the maximum power. This paper presents a comparative study of four widely-adopted... READ AND DOWNLOAD
[1553]. DESIGN AND CONSTRUCTION OF AN INTELLIGENT SURGE PROTECTION SYSTEM: Power surges happen whenever the wiring in your home or office experiences brief jolts of high electrical voltage. Power surges can be minor or severe. Even appliances or electronics that are turned off can flicker or buzz during a power surge. Far from harmless though, power surges can damage your electrical outlets, fry your appliances and electronics and start dangerous electrical fires. Being cognizant and proactive against the causes of power surges can... READ AND DOWNLOAD
[1554]. DESIGN AND FABRICATION OF COIN OPERATED PORTABLE WATER VENDING MACHINE: Water has become the most commercial products of the century. The stress on the multiple water resources is a result of many factors. On the one hand, the rapidly rising population and changing lifestyles have increased the need for fresh water. If opportunity costs were taken into account... READ AND DOWNLOAD
[1555]. DESIGN AND CONSTRUCTION OF A DC OPERATED ELECTRIC COOKER: The work relates to an inverter circuit driving device of an cooker, and more particularly to an inverter circuit of a cooker which is capable of varying the width of a drive pulse to an inverter with a variation in an input voltage so as to vary a switching frequency of the inverter, thereby stabilizing heating power generated by a switching operation of the inverter and preventing an internal device of the inverter from being damaged due to the variation in the input voltage... READ AND DOWNLOAD
[1556]. DESIGN AND CONSTRUCTION OF A VARIABLE DC MOTOR DRIVE: 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 was discussed... READ AND DOWNLOAD
[1557]. DESIGN AND CONSTRUCTION OF A 5V USB CELL PHONE BATTERY CHARGER: A 5V cell phone battery charger is an electronics device used in charging 5v 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 AND DOWNLOAD
[1558]. DESIGN AND CONSTRUCTION OF A TWO-DIGIT DIGITAL COUNTER: In this work, we designed and constructed a digital counter circuit. The initial design criteria for the project were: to have a two digit output, to have the circuit count from 0-99, to include either a 555 timer or manual counter. Research was conducted into similar analogue electronic circuits and a suitable point of a digital die was identified ... READ AND DOWNLOAD
[1559]. DESIGN AND CONSTRUCTION OF A TRAFFIC CONGESTION ALERT SYSTEM USING GSM: The increase in the number of vehicles has led to Traffic congestion. During the busy hours of a day, the traffic is at its peak and there are various problems related to traffic congestion. One such problem is fuel consumption. An average of 90 minutes is spent daily by a vehicle in congested traffic... READ AND DOWNLOAD
[1560]. DESIGN AND CONSTRUCTION OF A SOLAR POWERED POULTRY LIGHTING: One of the most important factors in egg production by poultry is the length of the day. During the summer months when days are long, hens and other poultry lay merrily. But in the winter when the days are short (and often dull) egg production can slow or even stop. Therefore artificial poultry lighting on a timer is often used to trick the poultry into believing the days are longer while still maintaining the necessary 9-10 hours of dark roosting time... READ AND DOWNLOAD
[1561]. DESIGN AND CONSTRUCTION OF A SOLAR CHARGING UNIT: This project is titled the design and construction of a solar charging unit. It is designed to meet up with the higher demand of power supply needed to keep our rechargeable appliances charged. A solar charging unit 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... READ AND DOWNLOAD
[1562]. DESIGN AND CONSTRUCTION OF A RUNNING MESSAGE DISPLAY LED CIRCUIT: Light emitting diodes are advantageous due to their smaller size, low current consumption and catchy colours they emit. In this work a running message display circuit is designed wherein the letters formed by LED arrangement light up progressively... READ AND DOWNLOAD
[1563]. 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 ... READ AND DOWNLOAD
[1564]. DESIGN AND CONSTRUCTION OF AN AC POWER CONTROLLER WITH PROGRAMMABLE INTERFACE: The project aims at controlling the AC power by using the concept of firing angle control of thyristors. One can enter the required percentage of power supply through a keypad. The input is provided to a microcontroller of 8051 family that initiate the firing angle... READ AND DOWNLOAD
[1565]. DESIGN AND CONSTRUCTION OF A PROGRAMMABLE LOAD SHEDDING WITH TIME MANAGEMENT: In today’s world, there is a continuous need for automatic appliances with the increase in standard of living, there is a sense of urgency for developing circuits that would ease the complexity of life. The project is designed to operate an electrical load multiple number of times as per the program... READ AND DOWNLOAD
[1566]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC INDUSTRIAL CONVEYOR: This machine is basically works on the principle of Single Slider Crank Mechanism which is the heart of this machine and it converts rotary motion into a reciprocating motion. Here Fabricated the conveyor using crank mechanism machine, this project can be utilized in industry. This machine makes use of transfer the product from one place to another place with the help of conveyor, the conveyor rotation is based on the crank... READ AND DOWNLOAD
[1567]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC RECHARGEABLE LAMP: An automatic rechargeable lamp is a battery-backed lighting device that switches ON automatically when a building experiences a power outage. An automatic rechargeable lamps 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 power supply... READ AND DOWNLOAD
[1568]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATTERY CHARGER WITH CHARGING FULL, CHARGING PROCESS INDICATOR USING ARDUINO: This project is on solar powered automatic battery charger with charging monitoring system, charging process and battery full cut-off indicator and display using designed to charge any acid battery... READ AND DOWNLOAD
[1569]. DESIGN AND CONSTRUCTION OF SOLAR CHARGE CONTROLLER USING ARDUINO MICROCONTROLLER (ATMEGA328 MICROCONTROLLER): 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... READ AND DOWNLOAD
[1570]. DESIGN AND CONSTRUCTION OF AN ACCURATE ROOM TEMPERATURE CONTROLLER: The accurate room temperature controller is designed with microcontroller is quite useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together, and lot of fans are required at these... READ AND DOWNLOAD
[1571]. DESIGN AND CONSTRUCTION OF A DIGITAL VOICE RECORDER AND PLAYBACK:In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device are converted into a stream of discrete numbers, representing the changes over time in air pressure for audio, and chroma and luminance values for video, then recorded to a storage device. To play back a digital sound recording, the ... READ AND DOWNLOAD
[1572]. ECONOMICS IMPLICATION OF ENERGY LIGHTING BULB: There is clamorous agitation for increase in power generation and power supply all over the country, Nigeria. But increasing power generation or power supply is not the only answer to a stable energy future, especially as this is generally not within the ability or jurisdiction of the consumer. There is an alternative, which is, to reduce demand through improved efficiency of devices and procedures. The end-user is... READ AND DOWNLOAD
[1573]. DESIGN AND CONSTRUCTION OF DOOR LOCKING SECURITY SYSTEM USING GSM: This project is on door locking security system using GSM. security door that can be remotely controlled by a GSM phone set acting as the transmitter and another GSM phone set with a dual tone multi-frequency (DTMF) connected to the door motor through a DTMF decoder interfaced with microcontroller unit and a stepper motor .The design is composed of four main functional modules, namely; the GSM module, the decoding module, controlling module and the switching module. The GSM module act as both transmitting and receiving unit employs... READ AND DOWNLOAD
[1574]. DESIGN OF FREE SPACE OPTICAL COMMUNICATION LINK: This paper presents the design of a very high-speed data link between two buildings in a University campus that will operate at gigabit rates. The project uses a cutting edge technology of eye-safe laser communication through free space. This is an all-optical design is future-proof in regards to technological advancement in the rate of data transmission and introduction of newer protocols. The two buildings are approximately 500 meters apart... READ AND DOWNLOAD
[1575]. DESIGN AND CONSTRUCTION OF A FUSE TUBE LIGHT GLOWER WITHOUT ANY ELECTRIC CHOKE: This work is fuse tube light glower which used no electric choke. A tube light glower, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, which produces short-wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. A fluorescent lamp used converts electrical energy into useful light much more efficiently than incandescent lamps. The luminous efficacy of a fluorescent light bulb can exceed 100 lumens per watt, several times the efficacy of an incandescent bulb with comparable light output... READ AND DOWNLOAD
[1576]. DESIGN AND CONSTRUCTION OF A GENERATOR AND MAINS GRID 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 mains grid. This Automatic Changeover Switch will automatically switch off your generator and change over to MAIN (Public power supply/NEPA)... READ AND DOWNLOAD
[1577]. DESIGN AND CONSTRUCTION A MINI SOLAR HOME LANTERN USING LED: Nowadays, because of low energy or power consumption, low heat emission, low cost, the portability, wider application, energy saving bulb are highly used than florescent lamp which is powered and recharged using solar system. Solar home lamp also known as solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter. The lamp operates on electricity from batteries, charged through the use of solar photovoltaic panel... READ AND DOWNLOAD
[1578]. DESIGN AND CONSTRUCTION OF A REMOTE PROGRAMMABLE TRAFFIC LIGHTING SYSTEM: The increase in the number of vehicles has led to Traffic congestion. During the busy hours of a day, the traffic is at its peak and there are various problems related to traffic congestion. One such problem is fuel consumption. An average of 90 minutes is spent daily by a vehicle in congested traffic. For the emergency conditions such as ambulance, fire engines to pass through, and the congestion poses a hindrance. To recover for the lost time spent in congestion people tend to hurry and disperse the congestion, causing accidents. So many roads witness one accident every day. To overcome these problems... READ AND DOWNLOAD
[1579]. DESIGN AND CONSTRUCTION OF A PROGRAMMABLE LOAD SHEDDING WITH TIME MANAGEMENT: In today’s world, there is a continuous need for automatic appliances with the increase in standard of living, there is a sense of urgency for developing circuits that would ease the complexity of life. The project is designed to operate an electrical load multiple number of times as per the program. It overcomes the difficulties of switching the load ON/OFF manually. This proposed has an inbuilt real time clock (RTC) to keep tracking the time and thus to switch ON/OFF the load accordingly... READ AND DOWNLOAD
[1580]. DESIGN AND CONSTRUCTION OF A MOBILE READING LAMP WITH PHONE CHARGER: This work is on mobile reading lamp with phone charger which is a rechargeable source of light which uses AC source to recharge; the stored energy is to be used when there is power outage. It also serves as immanency sources of light mostly used when there is failure from out public power supply at night. This device not only useful in the time of power cut but also at your workbench you can use this circuit to check or testing of your electronic projects. Mobile phone batteries can be charged with the help of these circuits... READ AND DOWNLOAD
[1581]. DESIGN OF A REAL-TIME MICROCONTROLLER BASED ATTENDANCE MONITORING AND CONTROL SYSTEM USING MOBILE APPLICATION: We have seen over the years that the process of manual attendance has been carried out across almost all educational institutions. The process is not only time consuming but also sometimes inefficient resulting in the false marking of attendance. Today, we need not maintain pen and paper based attendance registers. Following this thought, we have proposed an attendance marking and calculation system which is implemented... READ AND DOWNLOAD
[1582]. DESIGN AND FABRICATION OF A MOTORIZED CHAIN HACKSAW WITH INFRERED SENSOR: The objective of this work is to automate the conventional power hacksaw machine in order to achieve high productivity of work-pieces than the power hacksaw machine using Microcontroller. The automated machine acquires two inputs from the user namely the number of pieces to be cut and the length of each piece that is required to be cut. The inputs are given by... READ AND DOWNLOAD
[1583]. DESIGN AND CONSTRUCTION OF IOT BASED VEHICLE MONITORING AND REPORTING SYSTEM: Although many traffic laws are introduced, we still don’t see any fall in traffic rule violations or death caused by such negligence. The factors causing such failure can either be people or the system. So to solve this issue we propose in this paper a device using Arduino Uno that will monitor each vehicle individually... READ AND DOWNLOAD
[1584]. 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. This electronic system is designed in two functional units; the transmitter and the receiver using radio frequency (RF) communication wave band. The transmitter is a hand-held remote control while the receiver consists of a tuned radio frequency receiver, clock generator... READ AND DOWNLOAD
[1585].DESIGN AND IMPLEMENTATION OF ELECTRONICS SUBSTITUTION BOARD FOR FOOTBALL: This work is on Electronic football substitution board. An Electronic football substitution board serves as an indicator of the substitution of players One-sided board has a display with LEDs in two lines, which compose four fields (2 red / 2 green), each 18 cm high and a 10cm wide. The lithium battery is integrated into the board seven segments provide energy lasts up to five hours. This device is designed using AT89C51 (8-bit microcontroller), 7447 (BCD-to-7 segment decoder), 7-segment display and few other electronic components... READ AND DOWNLOAD
[1586]. DESIGN AND FABRICATION OF A LIGHT BOX INTERFEROMETRY: Light box interferometry is a well-developed and very old technique for optical measurements. The thesis describes the design of a vertical scan interferometer system to study the surface topography of surfaces down to nanometers. The desired properties of the system are its simplicity, portability and compact size, making it suitable for use in general labs and for educational purposes. By acquiring a sequence of images of the deformed fringe pattern, the surface topography can be observed, giving greater understanding of the surface roughness... READ AND DOWNLOAD
[1587]. DESIGN AND FABRICATION OF A GREASE BUCKET: Bucket Grease Pump is a portable manually operated greasing unit with its own 15kg container. The 15kg unit is constructed with a high pressure and a high volume variation. The high volume variation can be used as a filler pump for centralized lubrication pots. The 15kg unit is only available in metal whereas the 15kg unit is available in both metal and a robust, durable, lightweight Polyethylene... READ AND DOWNLOAD
[1588]. DESIGN AND CONSTRUCTION OF A FORGE HEARTH EQUIPMENT FOR HEAT TREATMENT OF METALS: In the early days, it was common for a blacksmith’s apprentice to use their lungs to blow air into a hollow tube, directly into the base of the fire. This method was not very effective as the majority of the oxygen they inhaled would get absorbed by the lungs, and the exhalation contained a lot... READ AND DOWNLOAD
[1589]. DESIGN CONSTRUCTION AND INSTALLATION OF A SOLAR CHARGE CONTROLLER OF A SOLAR POWER STATION: 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... READ AND DOWNLOAD
[1590]. DESIGN AND IMPLEMENTATION OF A DENSITY-BASED TRAFFIC LIGHT CONTROL WITH SURVEILLANCE SYSTEM: Traffic congestion especially at road intersections is becoming an issue for which road traffic users contend with daily. The conventional traffic light applies a fixed logic of allocating equal “GO” time to lanes of traffic at road intersections irrespective of the density of traffic on each lane. Using the PIC18F4550 microcontroller interfaced with infrared sensors, a new traffic light control system was developed to ease the flow of traffic at a particular troubled ... READ AND DOWNLOAD
[1591]. DEGRADATION OF METALLIC SURFACE DUE TO ATMOSPHERIC CORROSION ON BOARD: This work deals with atmospheric corrosion to assess the degrading effects of air pollutants on ferrous and non-ferrous metals and alloys, which are mostly used as engineering materials. An exposure study was conducted in the Tuticorin port area located on the east coast of South India, in the Gulf of Mannar with Sri Lanka to the southeast. Common engineering materials... READ AND DOWNLOAD
[1592]. DESIGN AND CONSTRUCTION OF A BAKING OVEN: This project is designed to make the students utilize as many theoretical and practical concept as have been instructed in Alston to mechanical engineering workshop technology. Students are expected to learn and apply concepts, principles about energy specially the conversions of electrical energy to thermal energy, conduction and conventional heat transfer... READ AND DOWNLOAD
[1593].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 ... READ AND DOWNLOAD
[1594]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC NIGHT LAMP WITH MORNING: This project work is on the construction of automatic night lightening system. Which aimed at activating a switch or AC lamp at sunset and deactivate it at sunrise. This automatic night lightening system can trigger a relay to operate an AC lamp at Sunset... READ AND DOWNLOAD
[1595]. AN ALGORITHM FOR SATELLITE TRACKING ANTENNA BASED ON SERVO MECHANISM: There are increasing needs to develop control systems that can be used to automatically point Direct Current (DC) servomotor driven parabolic antennas to moving targets, notably in satellite tracking, to maintain the desired line of sight for quality communication. Although many researchers nowadays focus on artificial intelligence (AI) techniques, this work reckons that a well designed optimal linear controller can still give acceptable results at reduced system cost and complexity... READ AND DOWNLOAD
[1596]. DESIGN AND CONSTRUCTION OF A 500W AUDIO AMPLIFIER: This work is titled the design and construction of 500W power amplifier. A 500W power amplifier 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 music industries... READ AND DOWNLOAD
[1597]. DESIGN AND CONSTRUCTION OF A 250W WIRELESS PUBLIC ADDRESS SYSTEM: 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... READ AND DOWNLOAD
[1598]. DESIGN AND CONSTRUCTION OF A 3 × 3 × 3 LED CUBE DISPLAY: This work is on “3 × 3 × 3 led cube display”. This displaying device is based on the principle of driving LEDs using the clock pulses. The idea is to make the cube glow in gradual transition from one set of trio to each face of the cube to the whole cube itself. This is achieved by using two counters such that the first counter comes to play for first nine pulses and each of the trio of LEDs glow for each pulse... READ AND DOWNLOAD
[1599]. DESIGN AND CONSTRUCTION OF A 4-WAY TRAFFIC LIGHT WITH DEFAULT ALERT SYSTEM: This work has been aimed at efficient means of controlling the traffic effectively for twenty-four hours. As the world is growing technologically more and more vehicles jump into the public road adding to the already existing number. Consequently, more efficient way of controlling the traffics becomes more desirable as compared to the obsolete way of using the traffic personnel... READ AND DOWNLOAD
[1600].DESIGN AND CONSTRUCTION OF A SOLAR POWERED INTELLIGENT VEHICULAR FOUR-WAY TRAFFIC LIGHT CONTROLLER: The steady supply of public power has always been a challenge in third world countries. The proposed solar based smart four-way junction traffic light is to work independent of public power supply using abundant renewable energy (solar) ... READ AND DOWNLOAD
[1601]. REACTIVE POWER (VAR) COMPENSATION FOR VOLTAGE STABILITY IMPROVEMENT IN POWER SYSTEM NETWORK: Voltage stability problems usually occur in heavily loaded systems. While the disturbance leading to voltage collapse may be initiated by different kinds of contingencies, the underlining problem is an inherent weakness in the power system. This project will illustrate the basic issues related to voltage instability by considering the characteristics of transmission system and afterwards examining how we can improve voltage stability by using reactive power compensation devices... READ AND DOWNLOAD
[1602]. CONSTRUCTION AND INSTALLATION OF BATTERY BANK FOR A 4KVA SOLAR POWER STATION: Battery bank includes a battery arranged either in parallel or in series. 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 solar power station. The general aim when designing a battery bank is to get a system that is big enough to supply all your needs for a few cloudy days, but is also small enough to be charged by your panels... READ AND DOWNLOAD
[1603]DESIGN AND CONSTRUCTION OF A WIRELESS INTRUDER ALARM SYSTEM: This device detects an Intruder. By when there is a person passes or cut the light infrared. The system will clearly warn immediately, command give an indication through an alarm... READ AND DOWNLOAD
[1604]. DESIGN AND CONSTRUCTION OF A WIRELESS ELECTRONICS DOOR BELL WITH INDICATING LIGHT: The project is on a wireless electronics door bell with indicating lighting system used in places like home, shopping malls, hotels and theatres. This project proposes a system of automatic sensing any body movement object near the door... READ AND DOWNLOAD
[1605]. DESIGN AND CONSTRUCTION OF A SIMPLE TIME DELAY CIRCUIT: Time Delay is defined as the controlled period between the functioning of two events. A Time Delay relay is a combination of an electromechanical output relay and a control circuit. The control circuit is comprised of solid state components and ... READ AND DOWNLOAD
[1606]. DESIGN AND CONSTRUCTION OF A SIGNAL GENERATOR: This work is on signal generator. A signal generator is a signal source that has the capability of producing different types of waveforms as its output signal. The most common output waveforms are sine-waves, triangular waves, square waves, and sawtooth waves. The frequencies of such waveforms may be adjusted from a fraction of a hertz to several hundred kHz... READ AND DOWNLOAD
[1607]. DESIGN AND FABRICATION OF A MOTORIZED CHAIN HACKSAW: This project is on the design and construction of an automatic power hacksaw machine for cutting of metal to different size and length with the help of hacksaw. The objective of this project is to save man power and time in cutting metals in order to achieve high productivity. It is a cutting machine with teeth on its blade used specially for cutting metals. The power to the hacksaw is provided by the motor. The motor drives the pulley-1 connected to the rotor of the motor. The pulley-1 is connected to the flywheel-1 by belt drive... READ AND DOWNLOAD
[1608]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED PROXIMITY SENSOR FOR DOOR: 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. A proximity sensor doorcan detect the presence of nearby someone near the .... READ AND DOWNLOAD
[1609]. DESIGN AND CONSTRUCTION OF A DIGITAL STOP WATCH USING 555 TIMERS: Time, something that exists in everyone’s life, is recorded by clocks all the time in our daily life. The present widely used counting system for time is decimal base as a result of the fact that this counting base is the most convenient one for people to count using ten fingers ... READ AND DOWNLOAD
[1610]. DESIGN AND CONSTRUCTION OF A 1KVA SOLAR INVERTER WITH 200AHr BATTERY: This work is on design and construction of a 1KVA solar inverter with 200ahr battery. 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 AND DOWNLOAD
[1611]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC TRANSFER SWITCH (ATS) FOR THREE PHASE SUPPLY: Automatic transfers switch a device for use with a stand-alone generator, for supplying emergency power to a residence or small business. The automatic transfer switch apparatus is configured to sense a utility line failure, start up and stabilize the generator, and switch over the household circuits from the utility to the generator, and switch back when the utility recovers. A load-shedding feature is provided for shedding and restoring different circuits within the residence that represents loads of different priority, with loads being shed and restored, according to their priority... READ AND DOWNLOAD
[1612]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC TRANSFER SWITCH (ATS) FOR THREE PHASE SUPPLY WITH PHASE SELECTOR: Constant supply of power is the wheel of growth to any nation’s economy. A country like Nigeria, where total power generation is less than one quarter of total demand, means of augmentation and smooth operation cannot be over emphasized. This paper presents a real laboratory design and construction of Automatic Transfer Switch (ATS) with three phase selector. The design method involves the use of electromechanical type relays, and comparators, etc. The ATS designed demonstrates its ability to perform automatic power change over activities easily without any human interaction.... READ AND DOWNLOAD
[1613]. DESIGN AND CONSTRUCTION OF A KEYPAD CONTROL FOR MULTIPLE APPLIANCES: Keypad control for multiple appliances is a device designed to on/off multiple appliances using a keypad. This circuit employs DTMF technique to switch on/off up to ten appliances. The controller uses telephone-type keypad with 12 press-to-on switches. These switches are arranged in four rows (R1 through R4) and three columns... READ AND DOWNLOAD
[1614].GSM BASED HOME ELECTRICAL APPLIANCES 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 arduino system by means of SMS messages. User can control multiple electrical devices by sending suitably formatted SMS message... READ AND DOWNLOAD
[1615].DESIGN AND CONSTRUCTION OF A RAIN DETECTOR: This project is titled the design and construction of a rain alarm. It is designed to meet up with the safety demand in our industries and homes whenever it is raining. 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.... READ AND DOWNLOAD
[1616]. 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 AND DOWNLOAD
[1617]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED FINGERPRINT VOTING MACHINE: The heart of democracy is voting. The heart of voting is trust that each vote is recorded and tallied with accuracy and impartiality. The accuracy and impartiality are tallied in high rate with biometric system. Among these biometric signs, fingerprint has been researched the longest period of time, and shows the most promising future in real-world applications. Because of their uniqueness and consistency over time, fingerprints have been used for identification over time. However, because of the complex distortions among the different impression of the same ... READ AND DOWNLOAD
[1618]. A PULSE WIDTH MODULATION OF SIMPLE AND HIGH PERFORMANCE BATTERY BALANCING SYSTEM: For balancing battery cells connected in a series string, a simple and high performance battery balancing system is proposed. In this system, a technique of DC to DC converter with PWM control is used for balancing all cell voltages completely. The switching surge and noise are made small by soft switching with inductor commutation...READ AND DOWNLOAD
[1619]. DESIGN AND FABRICATION OF A 40-TON HYDRAULIC HOT PRESS FIBER MACHINE: The paper presents the development of a manually operated hydraulic press which encompasses the design, fabrication and performance evaluation of the press. The components parts of the machine were designed using various design equations. The design results were used to select materials for various components. The detailed drawing of the developed machine was done using Pro E software. In fabricating the machine, mild steel was used... READ AND DOWNLOAD
[1620]. DESIGN AND FABRICATION OF A TOMATOES GRINDING MACHINE: The aim of the project is to construct a domestic tomatoes grader to be powered by electricity through pulley and belt transmission. The project is to perform crushing on tomatoes. In construction of the project, there are various factors that are being put into consideration... READ AND DOWNLOAD
[1621]. DESIGN AND CONSTRUCTION OF A SOLAR POWERED INTELLIGENT VEHICULAR FOUR-WAY TRAFFIC LIGHT CONTROLLER:The steady supply of public power has always been a challenge in third world countries. The proposed solar based smart four-way junction traffic light is to work independent of public power supply using abundant renewable energy... READ AND DOWNLOAD
[1622]. DESIGN AND CONSTRUCTION OF AN RFID BASED SECURITY SYSTEM USING ARDUINO: 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 AND DOWNLOAD
[1623]. DESIGN AND CONSTRUCTION OF A SMART STREET LIGHTING SYSTEM USING ULTRASONIC SENSOR: Project deals with making a smart street light that would enable itself when it comes in contact with an obstacle i.e. a vehicle for an instance, and turn off when there is nobody around. The system requires an microcontroller, some ultrasonic sensors and a battery for making the entire idea functional. The ultrasonic sensors that are responsible for detection of an obstacle would be manually placed on the street light poles, on detection of an obstacle; they would send electrical signals to the central sensor box consisting of microcontroller. The microcontroller that would be powered by a battery source will then eventually turn on the street lights of the location where the obstacle is detected... READ AND DOWNLOAD
[1624]. DESIGN AND CONSTRUCTION OF A 6-12 VOLTS AUTOMATIC BATTERY CHARGER USING SCR: This project is on a 6-12 volts automatic battery charger using SCR. This automatic battery charger is designed to charge any acid battery whose emf is between 6-12v... READ AND DOWNLOAD
[1625]. DESIGN AND CONSTRUCTION OF AN ALTERNATING ON-OFF SWITCH: In electrical engineering, a switch is an electrical component that can "make" or "break" an electrical circuit, interrupting the current or diverting it from one conductor to another. The mechanism of a switch removes or restores the conducting path in a circuit when it is operated. It may be operated manually, for example, a light switch or a keyboard button... READ AND DOWNLOAD
[1626]. DESIGN AND CONSTRUCTION OF A MINI PIANO: This project work is mini piano using 555 timers IC. Piano is a musical instrument that produces a tone according to the button being pressed. On the mini-piano, the soundboard and the strings are neatly positioned underneath the keys at the back of the piano, protected by a simple wooden frame to which... READ AND DOWNLOAD
[1627]. DESIGN AND CONSTRUCTION OF A 220V/12V STEPDOWN TRANSFORMER:This work is on 220vac to 12vac power supply using transformer, which served as a step down transformer whose secondary voltage is less than its primary voltage. It is designed to reduce the voltage (220v) from the primary winding to 12v in the secondary winding... READ AND DOWNLOAD
[1628].DESIGN AND CONSTRUCTION OF A 400W AUDIO AMPLIFIER: This work is titled the design and construction of 400W power amplifier. Power amplifier 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 music industries. power amplifier amplifies low-power audio signals (signals composed primarily of frequencies between 20 - 20 000 Hz, the human range of hearing) to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain, While the input signal to an audio amplifier may measure only a few hundred microwatts, its output may be tens, hundreds, or thousands of watts... READ AND DOWNLOAD
[1629]. DESIGN AND CONSTRUCTION OF A FINGERPRINT BASED EXAM HALL AUTHENTICATION: This research Project is to develop fingerprint Based Exam Hall Authentication systems that assist in the elimination of examination impersonation. Up till now, the Namibian Universities (particularly IUM) Examination control board is not using fingerprint... READ AND DOWNLOAD
[1630]. DESIGN AND CONSTRUCTION OF AN AUTOMATED FIRE EMERGENCY CONTROL: This project is titled design and construction of an automatic fire emergency control system. Fire emergency is an electronics device that is stored in a building to detect the presence of fire accident. An automatic fire emergency system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion... READ AND DOWNLOAD
[1631].DESIGN AND CONSTRUCTION OF AN ALL TERRAIN ROBOT: Due to the rapid progress in the field of robotics, it is a high time to concentrate on the development of a robot that can manoeuvre in all type of landscapes, ascend and descend stairs and sloping surfaces autonomously. This paper presents details of a prototype robot which can navigate in very rough terrain, ascend and descend staircase as well as sloping surface and cross ditches... READ AND DOWNLOAD
[1632]. DESIGN AND CONSTRUCTION OF ELECTRIC BLOWER FOR FURNACE: During furnace operation, air is the utility that should be available at all time in order to ensure a smooth and standardized operation. Supplying air manually will reduce productivity and more man hour to accomplish a given task. Thus, an electric blower... READ AND DOWNLOAD
[1633]. DESIGN AND CONSTRUCTION OF A 3.5KVA SINGLE PHASE AUTOMATIC CHANGE OVER WITH GENERATOR AUTO STOPPER AND STARTER: 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 everything they do. This Automatic Changeover Switch switches on and off the generator and automatically changes over to mains supply. An Automatic Changeover Switch will automatically switch ON and changeover to generator when power failure occur to the mains and as well OFF your generator and change over to MAINs on resumption.... READ AND DOWNLOAD
[1634]. DESIGN AND CONSTRUCTION OF SOLAR CHARGE CONTROLLER OF 12V/20A: 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... READ AND DOWNLOAD
[1635]. DESIGN AND CONSTRUCTION OF AN INVERTER BASED SOLAR POWERED CHARGING STATION: In the past couple of years, advancements in technology put devices in our pockets that we could not have even dreamed of years ago. However, these devices often have drawbacks. One of the most pressing issues with phones, tablets, and laptop PCs is power... READ AND DOWNLOAD
[1636]. 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 ... READ AND DOWNLOAD
[1637]. LOAD FLOW IN A 330KV GRID NETWORK BY FAST DECOUPLED METHOD: The Nigerian 330kV grid network is characterized with major problems like voltage instability (voltage profile violation), long transmission lines, nature of transmission lines and high power losses which affect power generation and distribution systems. This paper considered the load-flow study of the Nigerian 330-kV consisting of 32 buses, 11 generating stations and 36 transmission lines using fast coupled method. Load flow study is a numerical analysis ... READ AND DOWNLOAD
[1638]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC NIGHT LAMP: This work is on auto night lamp using high power LED. An Automatic Night Lamp Using High Power LEDs is a circuit which turns ON the LED lights interfaced to it at night time and it turns OFF the lights automatically when it is day... READ AND DOWNLOAD
[1639]. DESIGN AND CONSTRUCTION OF A SOLAR MOBILE PHONE POWERED CHARGING STATION: This small device make use of a tiny three volt solar cell to charge a six volt battery set that will be possibly employed to charge different models of mobile phones and other handy gadgets. This solar powered charging station is designed so that devices can be charged outdoors and in an environmentally friendly way. This system converts solar energy to electricity and stores it in a battery bank. A microcontroller prevents the batteries from being overcharged and prevents the system from being used when the batteries need charging... READ AND DOWNLOAD
[1640]. DESIGN AND CONSTRUCTION OF A 2.5KVA 24V SOLAR INVERTER: This work is on design and construction of a 2.5KVA/24V 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 AND DOWNLOAD
[1641]. DESIGN AND CONSTRUCTION OF A 100VA SOLAR INVERTER: 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 AND DOWNLOAD
[1642]. DESIGN AND CONSTRUCTION OF A 19V AND 5V DUAL POWER SUPPLY: This work is on a dual power supply. A dual power source 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) and ground potential to appliances... READ AND DOWNLOAD
[1643]. DESIGN AND CONSTRUCTION OF A 5KVA MICROCONTROLLER BASED ARC WELDING MACHINE WITH TEMPERATURE DISPLAY: This project is titled the design and construction of a microcontroller based electric A.C arc welding machine with temperature display. Electric Arc Welding Machine of 230/240 Volts and output voltage of 32volts. A core type step-down transformer and choke are essential as the voltage or the arc is 32v. The choke is necessary to displace the phase relationship of the voltage and current so that the heat of the arc may be maintained by ensuring that zero points of current and voltage are as far apart as possible. In this machine is monitored continuously by the microprocessor which manages the welding process in real time and the ambient temperature is displayed via the LCD... READ AND DOWNLOAD
[1644]. 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... READ AND DOWNLOAD
[1645]. DESIGN AND CONSTRUCTION OF A 3.5 KVA SOLAR INVERTER WITH CHARGE PROTECTION: This work is on design and construction of a 3.5KVA solar inverter with charge protection. Solar inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility... READ AND DOWNLOAD
[1646]. DESIGN AND CONSTRUCTION OF A BLUETOOTH BASED SECURITY SYSTEM: Security locks play a crucial role in the protection of materials valuable to a person or a group of people. These locks vary from being simple in design to complex. Locks that are simple in design and easy to use often are easy to breach into and locks that are complex in design are tough to breach but tedious to use. High end lock systems are expensive and difficult to install. This project aims to add simplicity to the present complex lock system by incorporating an android phone’s Bluetooth connection...READ AND DOWNLOAD
[1647]. DESIGN AND CONSTRUCTION OF AN ACCESS CONTROLLED DOOR USING REMOTE CONTROL AND KEYPAD: 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 AND DOWNLOAD
[1648]. DESIGN AND CONSTRUCTION OF AN AUDIO AMPLIFIER: This work is titled the design and construction of an audio Amplifier. An audio Amplifier 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 music industries. An audio Amplifier low-power audio signals (signals composed primarily of frequencies between 20 - 20 000 Hz, the human range of hearing) to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain, While the input signal to an audio amplifier may measure only a few hundred microwatts, its output may be tens, hundreds, or thousands of watts... READ AND DOWNLOAD
[1649]. DESIGN AND CONSTRUCTION OF AN AUTOMATED FIRE DETECTION AND CONTROLLING SYSTEM: In this paper basically a low cost fire detection and control system based on smoke and heat detection is proposed. It is comprised of a combination of electrical/electronic devices/equipments working together to detect the presence of fire and alert people through audio or visual medium after detection. These alarms may be activated from smoke detectors or heat detectors which, when detects fire. Then, it automatically operates a relay which can be used to send Short Message Service (SMS) to the registered mobile numbers and switch on a water sprayer or a Solenoid Pump to spray water or fire ceasing foam... READ AND DOWNLOAD
[1650]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SECURITY LIGHT CONTROL USING REMOTE: Automatic security lighting control system using remote is any electrical security lighting that is fixed outside house for the illumination of such environment or a light is a raised source of light on the edge of a road or walkway, which is turned ON or OFF using remote... READ AND DOWNLOAD
[1651]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SECURITY LIGHTING SYSTEM WITH AUDIO ALARM: Automatic security light controller will automatically turn ON security light in the way of LEDs or bulb coupled with relay. This system employed the output from an uncomplicated dark activated circuit and obliges a relay in its output which can be further attached to switch ON/OFF a security light and audio alarm... READ AND DOWNLOAD
[1652]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC STREET LIGHT CONTROLLER USING LDR: A street lighting is any electrical lighting that is fixed outside house for the illumination of such environment or a Street light is a raised source of light on the edge of a road... READ AND DOWNLOAD
[1653]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC THREE PHASE POWER CHANGEOVER CONTROL SYSTEM: This project work is on the design and construction of automatic power 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 or under-voltage, and also automatic power changeover from public utility supply to generator and vice versa was aimed at providing a useful system for use in our homes or offices. The system was achieved with a 66A 3-Ф contactor, 100mA transformers and relays... READ AND DOWNLOAD
[1654]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WASHBASIN TAP CONTROLLER: This device automatically cause water flow when you put your hands just below the water tap outlet. This infrared-based automatic washbasin tap controller system detects any interruption of the IR rays by your hands or utensil and water automatically starts flowing out of the tap. The circuit is built around 555 timers and comprises ... READ AND DOWNLOAD
[1655]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL INDICATOR USING ARDUINO: This project is titled the design and construction of a water level sensor system using arduino. It is designed to indicate the level of water to over-head tank. Water level indicator is widely used in many industries and houses .In this paper a programmed microcontroller is the basic component for the water level indicator. Arduino is helps to indicate the level... READ AND DOWNLOAD
[1656]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL REGULATOR: The filling of water tanks have been done through electrical pumps in the recent. However, untimely turning off the motor pumps lead to less filled tanks or over flown water from the tanks causing wastage. In order to avoid such situations we can have an electronic water level controller which can monitor the water level and switch the motor pump accordingly... READ AND DOWNLOAD
[1657]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER TAP CONTROLLER: Water is an essential resource in the world and currently household drinking water is an important asset to save the life due to shortage of water in the earth. This paper describes the design and construction of an automatic control system for tap water using PIR sensor. This device controls water tap automatically, when you put your hands just below the water tap outlet. The infrared sensor detects the presence of the user hand then ON the water tap automatically and the water starts flowing out of the tap and as soon as the user’s hand is removed the water stops flowing without the intervention of the user. The aim of this work is to control water tap controller automatically... READ AND DOWNLOAD
[1658]. DUAL SOLUTION IN MAGNETOHYDRODYNAMIC (MHD) FLOW ON A NON LINEAR POROUS SHRINKLING SHEET IN A VISCIOUS FLUID: In this work, the problem of magnetohydrodynamic (MHD) flow of a viscous fluid on a nonlinear porous shrinking sheet is studied. The boundary layer partial differential equations are first transformed into an ordinary differential equation, which is then solved numerically by the shooting method. The features of the flow for various governing parameters are presented and discussed in detail. It is found that dual solutions only exist for positive values of the controlling parameter... READ AND DOWNLOAD
[1659]. DESIGN AND CONSTRUCTION OF A 1.5KVA HYBRID POWERED MODIFIED SINEWAVE MODULAR INVERTER TRAINER KIT: A training device for instructing students in inverter circuits, which includes a large flat panel that is vertically disposed for visual display before the students, locations on the front surface of the panel for attachment of digital devices, `a number of digital-logic circuit devices having means for both mechanical and electrical connection to the panel, a power circuit associated with the panel for energizing the electronic devices, and circuit connections for making selected logical circuit interconnections between the digital-logic devices displayed on the panel.... READ AND DOWNLOAD
[1660]. DESIGN AND CONSTRUCTION OF A 2-CHANNEL AUDIO MIXER: Mixing mixers are used in many applications, including recording studios, public address systems, sound reinforcement systems, broadcasting, television, and film post-production. An example of a simple application would be to enable the signals that originated from two separate microphones to be heard through one set of speakers simultaneously. When used for live performances, the signal produced by the mixer will usually be sent directly to an amplifier, unless that particular mixer is "powered" or it is being connected to powered speakers. Among the highest quality bootleg recordings of live performances are the so-called soundboard recordings that are sourced from this mixer output to the speakers... READ AND DOWNLOAD
[1661]. DESIGN AND CONSTRUCTION OF A 6-12 VOLTS AUTOMATIC BATTERY CHARGER: This project is on a 6-12 volts automatic battery charger using SCR. This automatic battery charger is designed to charge any acid battery whose emf is between 6-12v. 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 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 LED... READ AND DOWNLOAD
[1662]. DESIGN AND CONSTRUCTION OF A 2-WAY TRAFFIC LIGHTING SYSTEM: This project work is on design and construction of a 2-way traffic lighting system. A 2-way Traffic light is signaling device positioned at 2-way road intersections, pedestrian crossings and other locations to control competing flows of traffic.The road construction safety traffic light system is designed to replace a manual traffic control on a road construction sites. This device can replace one or both flaggers during the two lane closures on the event of a road construction. The road construction safety traffic light system is considered one of the best devices in work zone traffic flow control systems... READ AND DOWNLOAD
[1663]. DESIGN AND CONSTRUCTION OF A 1.5KVA UNTERUPTIBLE POWER SUPPLY USING SG3524N: 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 AND DOWNLOAD
[1664].DESIGN AND CONSTRUCTION OF A 2KVA SOLAR INVERTER WITH 12v/200AHr BATTERY: This work is on design and construction of a 2KVA solar inverter with 12v/200ahr battery. 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 AND DOWNLOAD
[1665].DESIGN AND CONSTRUCTION OF A 3.5 KVA SOLAR INVERTER WITH CHARGE PROTECTION: 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. The battery charge protecting device 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... READ AND DOWNLOAD
[1666]. DESIGN AND CONSTRUCTION OF A 5KVA POWER INVERTERS: An inverter converts the DC electricity from sources such as batteries, solar panels, or fuel cells to AC electricity. The electricity can be at any required voltage; in particular it can operate AC equipment designed for mains operation, or rectified to produce DC at any desired voltage [6]... READ AND DOWNLOAD
[1667]. DESIGN AND CONSTRUCTION OF A 4KVA POWER INVERTER: 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 of power supply from the national supply authority, NEPA. In order words the device / item serves as a substitute for NEPA which almost monopolises the power supply to people. It is designed in such a way that it will take up 12v DC from battery and inverts it to an output of 240v, 50Hz AC. It makes no noise during operation and no hazardous carbon monoxide is generated in the surrounding... READ AND DOWNLOAD
[1668]. 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... READ AND DOWNLOAD
[1669]. DESIGN AND CONSTRUCTION OF A 24V SOLAR POWER SYSTEM: This work is on design and construction of a 24V solar power supply or 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 AND DOWNLOAD
[1670]. THE DESIGN AND CONSTRUCTION OF A 30 WATT AMPLIFIER: This work is titled the design and construction of a 30Watt Amplifier. An audio Amplifier 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 music industries. An audio Amplifier low-power audio signals (signals composed primarily of frequencies between 20 - 20 000 Hz, the human range of hearing) to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain, While the input signal to an audio amplifier may measure only a few hundred microwatts, its output may be tens, hundreds, or thousands of watts... READ AND DOWNLOAD
[1671]. DESIGN AND CONSTRUCTION OF A 380V/36V STEPDOWN TRANSFORMER: This work is on 380vac to 36vac step down transformer, which is a transformer whose secondary voltage is less than its primary voltage. It is designed to reduce the high voltage (380v) from the primary winding to 36v in the secondary winding ... READ AND DOWNLOAD
[1672]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SECURITY LIGHT CONTROL AND MOTION DETECTION SYSTEM: An automatic security light control and motion detection system detects moving objects, particularly people. An automatic security light control and motion detection system is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. An automatic security light control and motion detection system form a vital component of automated.... READ AND DOWNLOAD
[1673]. DESIGN AND CONSTRUCTION OF A POLICE LIGHT INDICATOR: Police light indicator is used by police for transportation during patrols and to enable them to respond to incidents and chases. Police flashing lights atop speeding patrol cars mean that officers are heading to emergency calls. Officers also use these lights while their cars are parked for police incidents that are in progress. This device can also be known as visual warning lights fitted to a police vehicle for used to provide additional warning of a hazard when stationary, or in the case of law enforcement as a means of signalling another driver to stop for interaction with an officer... READ AND DOWNLOAD
[1674].THE DESIGN AND CONSTRUCTION A 800VA AUTOMATIC VOLTAGE STABILIZER: This project is titled the design and construction of a 800va 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 stabilizer control the output of the plant... READ AND DOWNLOAD
[1675]. DESIGN AND CONSTRUCTION OF AN ACCESS CONTROLLED DOOR USING RFID CARD AND BIOMETRICS: 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 AND DOWNLOAD
[1676]. OVERVIEW OF AN AUTOMATIC FAN SPEED CONTROL SYSTEM USING 16F877A MICROCONTROLLER: Automatic controls play an ever-increasing role in a human way of life. Automatic control is vast technological area whose central aim is to develop control strategies that improve performance when they applied to a system. The distinct characteristic of automatic control is that it reduces the human operator. One such gadget is the fan. The fans are generally available with speed control; depending on the requirement the speed is set. Usually, when the temperature is high the fan set at high speed and at lower temperatures the fan is operated with lower speed... READ AND DOWNLOAD
[1677]. DESIGN AND CONSTRUCTION OF AN ACCESS CONTROLLED DOOR USING REMOTE CONTROL AND KEYPAD: 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 AND DOWNLOAD
[1678]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC FAN SPEED CONTROL SYSTEM USING 16F877A MICROCONTROLLER: Automatic controls play an ever-increasing role in a human way of life. Automatic control is vast technological area whose central aim is to develop control strategies that improve performance when they applied to a system. The distinct characteristic of automatic control is that it reduces the human operator. One such gadget is the fan. The fans are generally available with speed control; depending on the requirement the speed is set. Usually, when the temperature is high the fan set at high speed and at lower temperatures the fan is operated with lower speed... READ AND DOWNLOAD
[1679]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC DYEING MACHINE: Dyeing is a method which enhances beauty of the textile by applying various colours and their shades on to a fabric. Colour is applied to fabric by different methods and at different stages of the textile production processes like Stock dyeing, Top dyeing, Piece dyeing, Solution pigments or dope dyeing, Garment dyeing, Yarn dyeing. . It is the process by which uniform colouring of the cloth is achieved and it can be categorized into three types like Batch Dyeing Process, Continuous Dyeing process and Semi-Continuous Dyeing process. This work includes the study of problems that were faced during the manual dyeing of clothes for commercial purpose... READ AND DOWNLOAD
[1680]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC NIGHT LAMP: This work is on auto night lamp using high power LED. An Automatic Night Lamp Using High Power LEDs is a circuit which turns ON the LED lights interfaced to it at night time and it turns OFF the lights automatically when it is day.This project discuses the working of turning on or off of high power LEDs with light intensity. The element which is used for sensing light in the circuit is the light dependent resistor. The resistance of the light dependent resistor depends on the light incident on it. If the intensity of light incident on it is more, then the resistance of the circuit decreases... READ AND DOWNLOAD
[1681]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SECURITY LIGHT CONTROL AND MOTION DETECTION SYSTEM: An automatic security light control and motion detection system detects moving objects, particularly people. An automatic security light control and motion detection system is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. An automatic security light control and motion detection system 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... READ AND DOWNLOAD
[1682]. AN OVERVIEW OF PROGRAMMABLE LOGIC CONTROLLER SYSTEM TYPES AND APPLICATION: Early Programming Logic Control (PLC) were designed to replace relay logic systems. These PLCs were programmed in “Ladder Logic”, which strongly resembles a schematic diagram of relay logic. Programming logic control has several features like protection from the open area conditions such dust, heat and cold. PLC also has the ability to arrangement the inputs/outputs. It has low cost compared with microcontroller systems... READ AND DOWNLOAD
[1683]. AN OVERVIEW OF MCB, MCCB, ELCB, RCCB CIRCUIT BREAKERS: The circuit breaker is an absolutely essential device in the modern world, and one of the most important safety mechanisms in homes. Whenever electrical wiring in a building has too much current flowing through it, circuit breaker cut the power until somebody can fix the problem. Without circuit breakers, household electricity would be impractical because of the potential for fires and other mayhem resulting from wiring problems and equipment failures... READ AND DOWNLOAD
[1684]. AN OVERVIEW OF AN ELECTRONIC STARTER FOR SINGLE PHASE INDUCTION MOTOR WITH PROTECTION: This project investigates the electronic starter for the single phase induction motor that incorporates both short circuit and overload protection. The starter is used for switching and protecting the electric motor from the dangerous overloads by tripping. It reduces the starting current to the AC induction motors and also reduces the motor torque... READ AND DOWNLOAD
[1685]. DESIGN AND CONSTRUCTION OF AN ELECTRONIC STARTER FOR SINGLE PHASE INDUCTION MOTOR WITH PROTECTION:This project investigates the electronic starter for the single phase induction motor that incorporates both short circuit and overload protection. The starter is used for switching and protecting the electric motor from the dangerous overloads by tripping. It reduces the starting current to the AC induction motors and also reduces the motor torque... READ AND DOWNLOAD
[1686]. DESIGN AND CONSTRUCTION OF AN INTELLIGENT HOME SECURITY SYSTEM: The guard is also susceptible to sleep at times. It was then that home security system based upon electronic circuits were developed which proved to be highly reliable and were appreciated by the people as they were relieved from constant monitoring of their homes. An intelligent Home security system is a monitoring device that monitors and alerts the user via SMS in case of a burglary attempt or fire accident at that place – house or a commercial place. This device has the ability of sending sms to the homeowner on his/her mobile number in case of an intruder, fire or wrong entry alert which also triggers a CCTV which captures the activity of the intruder... READ AND DOWNLOAD
[1687]. AN OVERVIEW OF VARIABLE FREQUENCY DRIVE WORKING PRINCIPLE AND APPLICATION: When Tesla first introduced the 3-phase alternating current (AC) induction motor in 1888, he knew that his invention was more efficient and reliable than Edison's direct current (DC) motor. However, AC motor speed control requires either varying the magnetic flux or changing the number of poles on the motor. Even decades after the induction motor gained widespread use, changing the frequency for speed control remained an extremely difficult task — and the physical construction of the motor prevented manufacturers from creating motors with more than two speeds... READ AND DOWNLOAD
[1688]. OVERVIEW OF ARMSTRONG OSCILLATOR WORKING AND APPLICATION: The armstrong oscillator is used to produce a sine-wave output of constant amplitude and of fairly constant frequency within the rf range. The armstrong oscillator uses transformer coupling to feed back a portion of the amplifier output to the amplifier input Armstrong is also called tuned based oscillator... READ AND DOWNLOAD
[1689]. DESIGN AND CONSTRUCTION OF AN ARMSTRONG OSCILLATOR: The armstrong oscillator is used to produce a sine-wave output of constant amplitude and of fairly constant frequency within the rf range. The armstrong oscillator uses transformer coupling to feed back a portion of the amplifier output to the amplifier input Armstrong is also called tuned based oscillator... READ AND DOWNLOAD
[1690].DESIGN AND CONSTRUCTION OF A VARIABLE FREQUENCY DRIVE CIRCUIT: When Tesla first introduced the 3-phase alternating current (AC) induction motor in 1888, he knew that his invention was more efficient and reliable than Edison's direct current (DC) motor. However, AC motor speed control requires either varying the... READ AND DOWNLOAD
[1691]. ASSEMBLING OF A CORE 2 DUO COMPUTER: 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 ... READ AND DOWNLOAD
[1692]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CAR WIPER USING PIC 16877A: Today’s car wipers are manual systems that work on the principle of manual switching. So here we propose an automatic wiper system that automatically switches ON on detecting rain and stops when rain stops. This system to automate the wiper system have no need for manual intervention. For this purpose we use rain sensor along with... READ AND DOWNLOAD
[1693]. DESIGN AND CONSTRUCTION OF AUTOMATIC CHANGE OVER WITH GENERATOR TRIP OFF USING REMOTE: 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. A design has been made in combination of electrical and electronics to change over from one power sources to the other automatically and trip off generator using a remote, and this remote can ON/OFF a generator from a far distance... READ AND DOWNLOAD
[1694]. CONSTRUCTION OF AUTOMATIC CHANGE OVER WITH GENERATOR TRIP OFF :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. A design has been made in combination of electrical and electronics to change over from one power sources to the other automatically and trip off generation after 40 seconds without going through the point for manual operation. This project writing were organized in according way for easy understanding... READ AND DOWNLOAD
[1695]. DESIGN AND CONSTRUCTION OF A PROGRAMMABLE AUTOMATIC CHANGEOVER SWITCH: Power failure is a key issue in many developing countries of the world. To sustain development, the need for alternative power supply becomes necessary. Changing between the main supply line and the alternative supply poses yet another problem. Many attempts have been made to develop automatic power changeover but without due consideration of the fact that there could be times when we need to regulate the behavior of the automatic change over... READ AND DOWNLOAD
[1696]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC EMERGENCY LIGHTING SYSTEM USING LDR: This project work is on design and construction of an automatic emergency light system. An automatic emergency light is an electronics device used in turning light ON during dark condition. Automatic Emergency Light will turn on the Emergency light only during the Dark condition. Ordinary emergency light will be switched ON during the power failure condition... READ AND DOWNLOAD
[1697]. 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 AND DOWNLOAD
[1698]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SECURITY LIGHT CONTROL USING REMOTE: Automatic security lighting control system using remote is any electrical security lighting that is fixed outside house for the illumination of such environment or a light is a raised source of light on the edge of a road or walkway, which is turned ON... READ AND DOWNLOAD
[1699]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SECURITY LIGHTING SYSTEM: Automatic security lighting system is any electrical security lighting that is fixed outside house for the illumination of such environment or a light is a raised source of light on the edge of a road or walkway, which... READ AND DOWNLOAD
[1700]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC STREET LIGHT CONTROLLER USING LDR: A street lighting is any electrical lighting that is fixed outside house for the illumination of such environment or a Street light is a raised source of light on the edge of a road or walkway, which is turned on or lit at a certain time every night... READ AND DOWNLOAD
[1701]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC TEMPERATURE CONTROL AC FAN REGULATOR: The work is on design and construction of an automatic ac fan regulator. The device is useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together and lot of fans are required at these places. Depending up on... READ AND DOWNLOAD
[1702]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC TEMPERATURE CONTROLED FAN SPEED: The work is on design and construction of an automatic ac fan regulator. The device is useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together and lot of fans are required at these places. Depending up on the weather condition, organizers of the above places are supposed to be control each and every fan, otherwise lot of energy ... READ AND DOWNLOAD
[1703]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED AUTOMATIC VOLTAGE REGULATOR FOR SINGLE PHASE GENERATOR: Every electrical and electronic appliance is designed to work perfectly at a certain input voltage. In Nigeria, household electrical and electronic appliances are designed to work properly at 220VAC, 50Hz and most of the times the voltage supplied from distribution companies are as low as 80VAC making this appliances to work under threat of low voltage supply. This low supply voltage causes these appliances... READ AND DOWNLOAD
[1704]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER PUMP CONTROLLER WITH LCD LEVEL INDICATOR USING ULTRASONIC SENSOR AND ATMEGA328P: The project is designed to give a display of water level in a tank and control a pump motor as required. The reading given is in the scale of 0 to 9. A priority encoder is interfaced to a decoder to get the display of water level on 7 segment display. This is the circuit designed for overhead tank digital water level indicator. It is built around priority encoder, BCD-to-7-segment decoder, 7-segment display and a few discrete components. Due to high input impedance, priority encoder senses water in the container from its nine input terminals... READ AND DOWNLOAD
[1705]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER TAP CONTROLLER: Water is an essential resource in the world and currently household drinking water is an important asset to save the life due to shortage of water in the earth. This paper describes the design and construction of an automatic control system for tap water using PIR sensor. This device controls water tap automatically, when you put your hands just below the water tap outlet... READ AND DOWNLOAD
[1706]. BCD TO 7 SEGMENT DISPLAY USING CD4511: This work is on building a BCD to 7 segment display decoder circuit using the 4511 chip. A BCD to 7 segment decoder circuit is a circuit that intakes a binary value and displays the equivalent decimal value on the 7 segment display... READ AND DOWNLOAD
[1707]. DESIGN AND CONSTRUCTION OF A BENCH TOP VARIABLE POWER SUPPLY WITH DISPLAY 0-30V WITH POWER RATING (1-3A): This project work is on design of a variable power supply. This work makes it possible for someone that wants to run different appliances with one power supply without buying new power supply. A variable power supply is an electronic device that ... READ AND DOWNLOAD
[1708].DESIGN AND CONSTRUCTION OF A BLUETOOTH BASED SECURITY SYSTEM: Security locks play a crucial role in the protection of materials valuable to a person or a group of people. These locks vary from being simple in design to complex. Locks that are simple in design and easy to use often are easy to breach into and ... READ AND DOWNLOAD
[1709]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE CELL PHONE CHARGER: A cell phone battery charger is an electronics device used in charging 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. Rechargeable cell phone charger is comprised of a special battery in a special case with a special circuit to control power flow. It allow you to store electrical energy (deposit it in the bank) and then later use it to charge up a mobile device... READ AND DOWNLOAD
[1710]. DESIGN AND CONSTRUCTION OF A CLASS ATTENDANCE USING FINGERPRINT SYSTEM: The term 'biometrics' refers to a measurable characteristic that is unique to an individual such as fingerprints, facial structure, the iris or a person's voice. This paper presents a fingerprint based biometric system that records the attendance of a person by using a hand held fingerprint sensor. The experimental results suggest that many fraudulent issues can be overcome using the fingerprint based attendance system and improves the reliability of the attendance records... READ AND DOWNLOAD
[1711]. OVERVIEW OF ELECTROMAGNETIC RELAY CONSTRUCTION WORKING PRINCIPLES AND APPLICATION: Relays are used industrially in a wide variety of applications. Traditional mechanical re lays are large, slow, noisy devices, but are still widely used in various machines and processes for control purposes... READ AND DOWNLOAD
[1712]. DESIGN AND CONSTRUCTION OF A CONTROLLING OF AN INDUCTION MOTOR USING AUTO STAR/DELTA STATER: This work is on the forward reverse star delta electric motor control using switches. Moving ac motor clockwise and anticlockwise has many applications in the present technology, such as in our garage doors. Some garage door motors are easily reversed AC motors and geared down. Forwarding and reversing of an ac motor is done using a push button switches... READ AND DOWNLOAD
[1713]. DESIGN AND CONSTRUCTION OF A CURRENCY COUNTING MACHINE WITH FAKE NOTE DETECTION: The money counting machine (MCM) is one of the miracles of the science. Different techniques have been used to design and improve the counter machine, range from the simple counter that counts a number of notes with normal speed to high-level counter that utilized image ... READ AND DOWNLOAD
[1714]. DESIGN AND SIMULATION OF A DC TO DC BOOSTER WITH VOLTAGE DOUBLER USING SINGLE ACTIVE ELEMENT: A boost converter with a multiple input and with improved efficiency has two or more inputs. A DC voltage source can be connected to each input. A common output carries a DC voltage whose value is greater than or equal to that of the input voltages. The common output is in each case connected to each of the plurality of inputs via a positive lead branch and a negative lead branch... READ AND DOWNLOAD
[1715]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC LIGHT AND FAN SWITCH CONTROL SYSTEM USING PIR, LDR AND TEMPERATURE SENSOR: This device is design to monitor and control electrical devices automatically using sensors. 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... READ AND DOWNLOAD
[1716]. DESIGN AND CONSTRUCTION OF A SOLAR POWERED INTELLIGENT VEHICULAR FOUR-WAY TRAFFIC LIGHT CONTROLLER: The steady supply of public power has always been a challenge in third world countries. The proposed solar based smart four-way junction traffic light is to work independent of public power supply using abundant renewable energy (solar). The solar traffic light is powered by battery which is charged during the day with solar PV and the battery continues working during the night. Managing traffic at a four way junction by humans can be a very complex and daunting job... READ AND DOWNLOAD
[1717]. DESIGN AND CONTRUCTION OF A MICROCONTROLLER BASED RF REMOTE CONTROL FOR HOME ELECTRICAL APPLIANCES: This work presented here is to controlled independent home electrical appliances through RF based remote system. From any place without any line of sight around the house, RF based wireless remote control system can change the state of the electrical appliances either in on state or off state... READ AND DOWNLOAD
[1718]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE LAMP WITH 5 METERS REMOTE CONTROL: This project work deals on the design and construction of an IR based remote control for an electronic/electrical device say rechargeable 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 rechargeable electric lamp. This electronic system is designed in two functional units; the transmitter and the receiver using infrared communication wave band... READ AND DOWNLOAD
[1719]. OVERVIEW OF ARMSTRONG OSCILLATOR WORKING AND APPLICATION:The armstrong oscillator is used to produce a sine-wave output of constant amplitude and of fairly constant frequency within the rf range. The armstrong oscillator uses transformer coupling to feed back a portion of the amplifier output to the amplifier input Armstrong is also called tuned based oscillator... READ AND DOWNLOAD
[1720]. OVERVIEW OF SPEED CONTROL OF A DC MOTOR USING ANDROID: The Android-is the most popular mobile platform, which is very useful in creating much real time application which is useful in our day to day life. The DC motors are widely used for variable speed drive system in industrial applications such as industrial automation, electric traction, aircraft, military equipment, hard disk drives because of their high efficiency, silent operation, compact, reliability and low maintenance... READ AND DOWNLOAD
[1721]. OVERVIEW OF A MICROCONTROLLER BASED AUTOMATIC BELL: The world over the decades has made considerable advancement in automation; automation is employed in homes, industries, commercial and educational sectors. In this work, a microcontroller-based automatic school bell is designed. This circuit uses a programmed microcontroller chip to schedule the school teaching and break periods so that for every start or end of a period a bell is automatically rang. This design finds a tremendous use at primary and secondary school levels where the teaching sections can span over eight periods including breaks... READ AND DOWNLOAD
[1722]. THE PRODUCTION OF SMOKELESS FUEL FROM SAWDUST USING BRIQUETTING MACHINE: Energy is a key requirement for socio-economic development. However, the utilization of energy must not be at the expense of the environment and the future. One way of reducing dependence... READ AND DOWNLOAD
[1723]. POWER TRANSFORMER SPECIFICATION AND ITS APPLICATION: Power transformer transfers electrical energy in any part of the electrical or electronic circuit between the generator and the distribution primary circuits. These transformers are used in distribution systems to interface step up and step down voltages. These transformers transform the voltage. It holds a low voltage, high... READ AND DOWNLOAD
[1724]. MAINTENANCE OF ELECTRICAL APPLIANCES (FAN, COOKER AND ELECTRIC IRON): Home appliances have made our lives so much easier. We cannot deny the comfort and convenience these appliances provide us. A day without these helping hands is quite annoying and troublesome. But these man-made machines can break down or go... READ AND DOWNLOAD
[1725]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC LIQUID LEVEL DETECTOR WITH DISPLAY: This device not only capable of cautioning a person that the water tank has been filled up to certain level, but also indicates that the water level has fallen below the minimum detectable level. This circuit is important in appliances such as the water cooler where there is a danger of motor-burnout when there is no water in the radiator used up also it can be used in fuel level indication... READ AND DOWNLOAD
[1726]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED DIGITAL COUNTDOWN TIMER: Timers are frequently used in the industries to run process/operation with predefined time interval. The most popular type of timer is the programmable timer that has various facilities to configure the timer by users. However, it is expensive to build such timer using ICs and discrete components... READ AND DOWNLOAD
[1727]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED ELECTRIC COOKER WITH TIMER, TEMPERATURE CONTROL AND DISPLAY: The objective of this research work is to design and implement a microcontroller – based digital time aware oven temperature controller and display. Various kinds of oven exist for various purposes: electrical, gas and manual types for either home use or industrial purposes. The research is achieved using the AT89C51 Microcontroller which compares the oven temperature with the preset temperature to determine when to turn ON or OFF the oven, the transistorized Relay which switches ON and OFF the oven depending... READ AND DOWNLOAD
[1728]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED NOISE ACTIVATED SWITCH: This project is titled design and construction of noise activated switch. Noise activated switch is an electrical device that allows appliances or alarm to be turned on when noise is detected. The most important feature of the noise activated switch is its small microphone. The microphone detects sound, such as laughs, slamming doors, and claps of hands. The sound is changed into electrical waves. The electrical waves are magnified by a transistor. The transistor feeds the amplified sound to the microcontroller used. The amplified circuit is connected to a relay contact which acts as a mechanical switch. The relay can be connected to an electric device to make the device turn ON by the noise... READ AND DOWNLOAD
[1729]. DESIGN AND IMPLEMENTATION OF ELECTRONIC VOTING SYSTEM: The Public opinion and democratic in universities setting are the most important determinant to establish a good administration. Voting is the process through which individuals convey their opinion and has the freedom to elect a leader of the choice to signify and address the student’s issues. In today’s technological and knowledge age, computerized related matters become widespread... READ AND DOWNLOAD
[1730]. DESIGN AND IMPLEMENTATION OF ELECTRONIC VOTING SYSTEM: The Public opinion and democratic in universities setting are the most important determinant to establish a good administration. Voting is the process through which individuals convey their opinion and has the freedom to elect a leader of the choice to signify and address the student’s issues. In today’s technological and knowledge age, computerized.... READ AND DOWNLOAD
[1731]. DESIGN AND MODELING OF ELECTRICAL POWER SYSTEM AND SUBSTATION IN 3D (330KV, 132KV AND 33KV): Three-dimensional laser scanning of power equipment and facilities of electric power systems (power plants and substations) is a new high-tech activity of the 3D laboratory of the «Automated Power Systems» department of the Ural Power Engineering Institute, UrFU. Laser scanning allows providing full reproduction of topographic and geometric data of the power facility. The implementation of reverse engineering becomes possible on the... READ AND DOWNLOAD
[1732]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED ELECTRONIC LOCKING SYSTEM USING PASSWORD: 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.... READ AND DOWNLOAD
[1733]. ECONOMICS ANALYSIS OF HYBRID PV/DIESEL POWER SYSTEM FOR RESIDENTIAL LOADS: This thesis is a study on integration of photovoltaic generators into an existing diesel- unreliable grid connected system. The main goal of implementing PV-diesel hybrid system is to reduce diesel consumption and the import of fossil fuel used in electricity power supply. Before designing the system, it is necessary to create a load profile for 120 households and pre-design the size of the PV generator, the capacity of storage system and inverter type/size selection... READ AND DOWNLOAD
[1734]. FABRICATION AND DEVELOPMENT OF AQUA SILENCER: To conserve the earth’s environment from degradation and also the public health from Air pollution it is very imperative than serious steps are to be taken for conserving them and Aqua silencer is an attempt to do so. Aqua silencer is mainly used for dealing with the emission and noise. An aqua silencer is generally attached to the exhaust of 2-strokeengine. In this Aqua silencer both the Lime...READ AND DOWNLOAD
[1735]. FABRICATION OF AN INTELLIGENT BRAKING SYSTEM: The main purpose of present Automobiles is being developed by more of electrical parts for efficient operation. Generally a vehicle was manufactured with an analog driver vehicle interface for indicating various vehicle statuses like speed, fuel level, Engine temperature etc. This work presents the development and implementation of a digital driving system for a semi-autonomous vehicle to improve the efficiency... READ AND DOWNLOAD
[1736]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED FAN SPEED CONTROLLER ACCORDING TO ROOM TEMPERATURE: The accurate room temperature controller is designed with microcontroller is quite useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together, and lot of fans are required at these places... READ AND DOWNLOAD
[1737]. OVERVIEW OF FERRANTI EFFECT IN TRANSMISSION LINE: A temporary over voltage is an oscillatory phase to ground or phase to phase over voltage that is relatively long duration and is undamped or only weakly damped. Temporary over voltages usually originate from faults, sudden charge of load, Ferranti effect, linear resonance, ferroresonance, open conductor, induced resonance from coupled circuits and so forth. The steady voltage at the open end of an uncompensated transmission line is always higher than the voltage at the sending end... READ AND DOWNLOAD
[1738]. DESIGN AND CONSTRUCTION OF A FINGERPRINT BASED EXAM HALL AUTHENTICATION: This research Project is to develop fingerprint Based Exam Hall Authentication systems that assist in the elimination of examination impersonation. Up till now, the Namibian Universities (particularly IUM) Examination control board is not using fingerprint as mode of identification, this has resulted in people sitting for examinations for others who collect the result at the end. With the adoption of fingerprint biometric, this will be eliminated as fingerprint identification will also be employed during collection of results and certificates... READ AND DOWNLOAD
[1739]. DESIGN AND CONSTRUCTION OF A GAS DETECTION SYSTEM USING ARDUINO AND GSM MODULE: This work is on a gas detection system. Gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life, such as humans or animals. This device identifies potentially hazardous gas leaks by sensor.... READ AND DOWNLOAD
[1740]. DESIGN AND FABRICATION OF A PEDAL OPERATED HACKSAW: This project is on the design and construction of a pedal operated hacksaw machine. Pedal Powered Hacksaw Machine is a device which is used for cutting wood, plastic and metals. The basic principle of this machine is slider crank mechanism, which is an inversion of four bar mechanism. The concept of this mechanism is that the rotary motion is... READ AND DOWNLOAD
[1741]. DETERMINING TRANSMISSION LINE PARAMETERS FROM TIME-STAMPED DATA: This work is on determining transmission line parameters from time-stamp data. Real-time computation of values on transmission lines has in the past not been a viable option. But with the introduction of affordable GPS time-stamping to industry this is changing. Real-time values measured hundreds of kilometers apart can be reliably compared with each other to determine transmission line parameters. This paper proposes the use of GPS time-stamped measurements to calculate the line impedance as well as the surge impedance loading (SIL) value of the transmission line... READ AND DOWNLOAD
[1742]. DESIGN AND CONSTRUCTION OF A DIGITAL ALARM CLOCK USING 8051 MICROCONTROLLER (AT89C51): This work is on digital alarm clock using microcontroller. An alarm clock is a clock that indicates a pre-set time by producing sound at that time. This functionality of digital clock is used to awaken people or remind them of something. In this work, an extra switch is provided to set the alarm. While the alarm is set, the clock time does not stop and runs in the background. The circuit is build around 8051 microcontroller (AT89C51) and uses LCD to display time... READ AND DOWNLOAD
[1743]. COMPARACTIVE ANALYSIS OF STANDALONE AND HYBRID SOLAR SYSTEM: Global environmental concerns, increasing energy demands and developments in renewable energy technologies present a new possibility to implement renewable energy sources. Solar energy is the most prominent among renewable sources, as it is an inexhaustible resource and its exploitation has thus far been ecologically friendly. The potential amount of solar energy is considerably greater than current worldwide energy demands. Solar energy has been developing more rapidly than the other renewable energy sources for the last few decades... READ AND DOWNLOAD
[1744]. DESIGN AND CONSTRUCTION OF A DOOR CIRCUIT WITH ALARM: The main objective of this project was to ensure a proper security to building against theft or intruder. This device functions as a major security alarms used in residential, commercial, industrial, and military properties for protection against burglary (theft) or property damage, as well as personal protection against intruders . It is an electronic device that is connected to the battery or 5v power supply being installed in and gets activated automatically when someone opens a door and it blows an alarm.... READ AND DOWNLOAD
[1745]. DESIGN AND CONSTRUCTION OF A DOT MATRIX INFORMATION DISPLAY SYSTEM: The microcontroller based display board is an advert system that displays information based on a specific purpose. The system is designed to enable the viewer know the designers aim. The system comprises of different blocks of functional circuit that are put together to achieve the desired aim. These blocks include; the power supply section, the control section... READ AND DOWNLOAD
[1746]. DUAL SOLUTION IN MAGNETOHYDRODYNAMIC (MHD) FLOW ON A NON LINEAR POROUS SHRINKLING SHEET IN A VISCIOUS FLUID: In this work, the problem of magnetohydrodynamic (MHD) flow of a viscous fluid on a nonlinear porous shrinking sheet is studied. The boundary layer partial differential equations are first transformed into an... READ AND DOWNLOAD
[1747]. DESIGN AND CONSTRUCTION OF A FINGERPRINT BASED STUDENT ATTENDANCE MONITORING SYSTEM USING ARDUINO: The term 'biometrics' refers to a measurable characteristic that is unique to an individual such as fingerprints, facial structure, the iris or a person's voice. This paper presents a fingerprint based biometric system that records the attendance of a person by using a hand held fingerprint sensor. The experimental results suggest that many fraudulent issues can be overcome using the fingerprint based attendance system and improves the reliability of the attendance records... READ AND DOWNLOAD
[1748]. DESIGN AND CONSTRUCTION OF A MOTION CONTROLLED DOOR ALARM WITH INDICATING LIGHT: The project is on a motion based automatic door alarm system used in places like home, 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 which emits infrared energy when is sensed from a considerable distance. This sensing signal is fed to tone generator which produces a melodious tone to the user informing him/her the presence of a visitor... READ AND DOWNLOAD
[1749]. DESIGN AND CONSTRUCTION OF AN INTRUDER ALARM USING 555 TIMER AND IR SENSOR: The main objective of this project was to ensure a proper security to building against theft or intruder. The circuit uses 555 timer IC which was wired as a timing circuit, amplifier to obtain a maximum audible sound. The 555 timr 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... READ AND DOWNLOAD
[1750]. DESIGN AND CONSTRUCTION OF A TOUCH ON/OFF SWITCH: A touch switch is a switch that is turned on and off by touching a wire contact, instead of flicking a lever like a regular switch. Touch switches have no mechanical parts to wear out, so they last a lot longer than regular switches... READ AND DOWNLOAD
[1751]. DESIGN AND CONSTRUCTION OF MOTION AND METAL DETECTOR FOR A HOME SECURITY SYSTEM: 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... READ AND DOWNLOAD
[1752]. DESIGN AND FABRICATION OF A PEDAL OPERATED HACKSAW: This project is on the design and construction of a pedal operated hacksaw machine. Pedal Powered Hacksaw Machine is a device which is used for cutting wood, plastic and metals. The basic principle of this machine is slider crank mechanism, which is an inversion of four bar mechanism. The concept of this mechanis... READ AND DOWNLOAD
1753] IMPLEMENTATION OF SMART SECURITY USING MOBILE PHONE: The guard is also susceptible to sleep at times. It was then that home security system based upon electronic circuits were developed which proved to be highly reliable and were appreciated by the people as they were relieved from constant monitoring of their homes ...read and download
[1754]. OVERVIEW OF INDUSTRIAL STAR AND DELTA STARTER FOR THREE PHASE INUCTION MOTOR:This work is on star and delta starter for electric motor, which is the reduced voltage starting method on motor. Voltage reduction during star-delta starting is achieved by physically reconfiguring the motor windings. During starting the motor windings are connected in star configuration and this reduces the voltage across each winding... READ AND DOWNLOAD
1755] FEASIBILITY STUDY OF RENEWABLE ENERGY DEPLOYMENT AND CORRESPONDING EFFECTS ON CLIMATE CHANGE: Owing to the fact that the global warming and climate change has a worsening trend due to the steadily greenhouse gas (GHG) emission from generating electricity to support the blooming economic activities and transportation needs ...read and download
[1756]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED FINGERPRINT VOTING MACHINE: The heart of democracy is voting. The heart of voting is trust that each vote is recorded and tallied with accuracy and impartiality. The accuracy and impartiality are tallied in high rate with biometric system. Among these biometric signs, fingerprint has been researched the longest period of time... READ AND DOWNLOAD
[1757]. DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM USING THERMISTOR: 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... READ AND DOWNLOAD
[1758]. DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM USING MQ 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... READ AND DOWNLOAD
[1759]. THE DESIGN AND IMPLEMENTATION OF A FOUR – WAY TRAFFIC LIGHT CONTROL CIRCUIT: This work has been aimed at efficient means of controlling the traffic effectively for twenty-four hours. As the world is growing technologically more and more vehicles jump into the public road adding to the already existing number. Consequently, more efficient way of controlling the traffics becomes more desirable as compared to the obsolete way of using the traffic personnel’s. The design of this traffic light control is grouped basically into three; digital logic ... READ AND DOWNLOAD
[1760]. DESIGN AND CONSTRUCTION OF A 2-WAY TRAFFIC LIGHTING SYSTEM: This project work is on design and construction of a 2-way traffic lighting system. A 2-way Traffic light is signaling device positioned at 2-way road intersections, pedestrian crossings and other locations to control competing flows of traffic.... READ AND DOWNLOAD
[1761]. DESIGN AND CONSTRUCTION OF A TRAFFIC LIGHTING SYSTEM: This project work is on design and construction of a traffic lighting system. A Traffic light is signaling device positioned at road intersections, pedestrian crossings and other locations to control competing flows of traffic. The road construction safety traffic light system is designed to replace a manual traffic control on a road construction sites. This device can replace one or both flaggers during... READ AND DOWNLOAD
[1762]. DESIGN AND CONSTRUCTION OF A GSM BASED HOME ELECTRICAL APPLIANCES 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... READ AND DOWNLOAD
[1763]. DESIGN AND CONSTRUCTION OF A GSM BASED INDUSTRIAL AUTOMATION: This device is design to monitor and control electrical devices remotely using GSM modem/phone. The GSM modem provides the communication mechanism between the user and the microcontroller system by means of SMS messages... READ AND DOWNLOAD
[1764]. DESIGN AND CONSTRUCTION OF A HAND GESTURE CONTROLLED ROBOT: Generally, robots are programmed to perform specific tasks which humans cannot. To increase the use of robots where conditions are not certain such as fire fighting or rescue operations, robots can be made which follow the instruction of human operator and perform... READ AND DOWNLOAD
[1765]. DESIGN AND CONSTRUCTION OF A HEARING AID: This work is on a hearing aid. A hearing aid is a device designed to improve hearing. Hearing aids are classified as medical devices in most countries, and regulated by the respective regulations... READ AND DOWNLOAD
[1766]. DESIGN AND CONSTRUCTION OF A HOME AUTOMATION CONTROL USING BLUETOOTH AND ARDUINO: Smart Home is a house that uses information technology to monitor the environment, control the electric appliance and communicates with the outer world. Smart Home is a complex technology, at the same time it is developing... READ AND DOWNLOAD
[1767]. DESIGN AND CONSTRUCTION OF A HOME AUTOMATION USING BLUETOOTH CONTROL: Smart Home is a house that uses information technology to monitor the environment, control the electric appliance and communicates with the outer world. Smart Home is a complex technology, at the same time it is developing. A sample house environment monitors... READ AND DOWNLOAD
[1768]. DESIGN AND INSTALLATION OF HYBRID POWER SYSTEM: Renewable energy sources are considered as a technological option for generating clean energy. But the energy generated from solar and wind is much less than the production by fossil fuels, however, electricity generation by utilizing PV cells and wind turbine increased rapidly in recent... READ AND DOWNLOAD
[1769]. 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 well as continuously... READ AND DOWNLOAD
[1770]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED TEMPERATURE INDICATOR: This work is on temperature control indicator. Temperature control indicator is a device that measures temperature or indicate temperature gradient using a variety of different principles. Temperature control indicator is designed to maintain a constant temperature by the use of a thermostat. This study provides an opportunity to learn using sensors... READ AND DOWNLOAD
[1771]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL INDICATOR USING ARDUINO AND ULTRASONIC SENSOR: In an attempt to mitigate problems such as poor water allocation, inefficient use, and lack of adequate and integrated water management, Automatic Water level controller system is designed to monitor liquid level in an overhead tank or any liquid storage system. Generally, this device monitors the water level in the overhead tank and prevents wastage of water... READ AND DOWNLOAD
[1772]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC WATER LEVEL INDICATOR USING TRANSISTORS: 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 AND DOWNLOAD
[1773]. DESIGN AND CONSTRUCTION OF A DC MOTOR: A DC motor is any of a class of rotary electrical machines that converts direct current electrical energy into mechanical energy. The most common types rely on the forces produced by magnetic fields. Nearly all types... READ AND DOWNLOAD
[1774]. DESIGN AND CONSTRUCTION OF A MICROCOMPUTER TRAINER KIT: The microcomputer revolution in electronics is spreading so rapidly it is difficult to educate enough people quickly and thoroughly in the new technology. Lawrence Livermore Laboratory's MST-80B was developed as a way to speed learning in our in-house training courses... READ AND DOWNLOAD
[1775]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC AC VOLTAGE REGULATOR WITH GSM BASED CONTROL: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 AND DOWNLOAD
[1776]. MEDICAL IMAGING TECHNIQUE: In an ideal world, we’d be able to diagnose and treat patients without any harmful side effects. Medical imaging remains one of the best ways to achieve that aim, being able to see what’s going on inside the body without the need for surgery or other invasive procedures. Indeed, it’s something we’re perhaps guilty of taking for granted at times... READ AND DOWNLOAD
[1777]. DESIGN AND CONSTRUCTION OF MINI RADIO BROADCAST TRANSMITTER AND AUDIO CONSOLE USING FREQUENCY MODULATION (FM) WITH POWER RATING OF 15 WATT: The early transmitter for radio broadcasting is so big and bulky that they do occupy numerous spaces. The circuitries are mainly designed with valves, which are big in sizes. With the advent of semiconductor materials... READ AND DOWNLOAD
[1779]. DESIGN AND FABRICATION OF A 12M3 MOBILE DEEP FREEZER: This write up is a detail of the process and information of plan for the physical realization of the construction of the 12M3 mobile deep freezer. It is divided into chapters, which discussed extensively the practical refrigeration cycle with full attention given to design factors working principle and choice of material... READ AND DOWNLOAD
[1780]. CONSTRUCTION AND FABRICATION OF A MOBILE DEEP FREEZER:This work on the construction and fabrication of a mobile deep freezer revolves around the concept of refrigeration. The concept of refrigeration revolves around the reverse Carnot cycle. This is a cycle involving isentropic expansion (at the throttling valve), isothermal expansion (at the evaporator), isentropic compression ... READ AND DOWNLOAD
[1781]. ROLE OF BUCHHOLZ RELAY IN TRANSFORMER AND CONSTRUCTION: In common practice, there are so many protection systems being used for the protection of power transformers from abnormal conditions. Power transformer which carries a huge amount of power from one location to another needs to be protected against faults... READ AND DOWNLOAD
[1782]. DESIGN OF SAMPLE AND HOLD CIRCUIT USING OP-AMP: This work is on an overview of sample and hold circuit using op-amp. As the name implies, a sample and hold circuit is a circuit which samples an input signal and holds onto its last sampled value until the input is sampled again. Sample and hold circuits are commonly used in analogue... READ AND DOWNLOAD
[1783]. DESIGN AND CONSTRUCTION OF A SIMPLE 12VDC TO 230VAC POWER INVERTER USING 555 TIMERS: 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 of power supply from the national supply authority, NEPA. In order words the device / item serves as a substitute for NEPA which almost monopolises the power supply to people... READ AND DOWNLOAD
[1784]. DESIGN AND CONSTRUCTION OF A SINGLE PHASE AUTOMATIC CHANGE OVER WITH GENERATOR AUTO STOPPER: This Automatic Changeover Switch switches on and off the generator and automatically changes over to mains supply. An Automatic Changeover Switch will automatically switch ON and changeover to generator when power failure occur to the mains and as well OFF your generator and change over to MAINs on resumption... READ AND DOWNLOAD
[1785]. DESIGN AND CONSTRUCTION OF A SMART STREET LIGHT USING ARDUINO UNO MICROCONTROLLER: The project deals with making a smart street light that would enable itself when it comes in contact with an obstacle i.e. a vehicle for an instance, and turn off when there is nobody around. The system requires an arduino uno microcontroller... READ AND DOWNLOAD
[1786]. THE PRODUCTION OF SMOKELESS FUEL FROM SAWDUST USING BRIQUETTING MACHINE: Energy is a key requirement for socio-economic development. However, the utilization of energy must not be at the expense of the environment and the future. One way of reducing dependence on biomass as a source of energy is to promote the use of briquettes by homes and industries. The pressure on the environment for... READ AND DOWNLOAD
[1787]. DESIGN AND CONSTRUCTION OF SOLAR CHARGE CONTROLLER OF 12V/20A: 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... READ AND DOWNLOAD
[1788]. DESIGN AND CONSTRUCTION OF A 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... READ AND DOWNLOAD
[1789]. DESIGN AND CONSTRUCTION OF A SOLAR FAN: This work is on solar standing fan. The project involves using solar energy to power standing fan. Rechargeable solar standing fan, charges with solar energy. Standing solar fan operated either by solar panel and battery. Solar panel charges the battery during the day while the rechargeable supplies the energy stored in the battery to the fan during the night...READ AND DOWNLOAD
[1790]. DESIGN AND CONSTRUCTION OF A SOLAR LED STREET LIGHTS USING ULTRASONIC SENSOR: The colossal measure of electrical energy of numerous nations is devoured in lighting the streets. In any case, vehicles go with low rate in particular timeframes and parts of the streets are not possessed by vehicles after some time. In this paper, we propose a framework that consequently turns off the light for the parts of the roads having no vehicles and turns on the light for these parts once there are a few vehicles that will come. It represents the road light shining framework on vehicle recognizing development. Controlling ... READ AND DOWNLOAD
[1791]. DESIGN AND CONSTRUCTION OF A SOLAR INVERTER: This work is on design and construction of a 12VDC to 220VAC solar panel. 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 AND DOWNLOAD
[1792]. DESIGN AND CONSTRUCTION OF A SOLAR MOBILE PHONE POWERED CHARGING STATION: This small device make use of a tiny three volt solar cell to charge a six volt battery set that will be possibly employed to charge different models of mobile phones and other handy gadgets. This solar powered charging station is designed so that devices can be charged outdoors and in an environmentally friendly way... READ AND DOWNLOAD
[1793]. DESIGN AND CONSTRUCTION OF A SOLAR WATER PUMPING MACHINE: This work is on solar water pumping machine. Solar water pumping systems are a modern but field proven means of pumping water in locations where access to grid power is not available... READ AND DOWNLOAD
[1794]. DESIGN AND CONSTRUCTION OF A STANDBY MODE POWER OFF CONTROLLED SWITCH SYSTEM USING AN INFRARED REMOTE: This paper proposes a novel power supply circuit that can make a standby power consumption of an infrared remote (IR) controlled the device. The power line of IR controlled power supply in standby mode is disconnected by a relay. Thus, the power consumption is zero because there is no electric current path. When the user pushes the power-on button on the IR remote controller, the strong infrared light is irradiated... READ AND DOWNLOAD
[1795]. SYNCHRONOUS GENERATOR WORKING PRINCIPLE AND APPLICATIONS: The electrical machine can be defined as a device that converts electrical energy into mechanical energy or mechanical energy into electrical energy. An electrical generator typically consists of two parts; stator and rotor. There are various types of electrical generators such as direct current generators... READ AND DOWNLOAD
[1796]. DESIGN AND CONSTRUCTION OF THIRD EYE FOR THE BLIND USING ULTRASONIC SENSOR: Third eye for the blind is an innovation with the help of the multidiscipline subjects like computer science, electronics engineering and health science which helps the blind people to navigate with speed and confidence by detecting the nearby obstacles using the help of ultrasonic waves... READ AND DOWNLOAD
[1797]. DESIGN AND CONSTRUCTION OF A THREE LEVEL AUDIO POWER INDICATOR: An audio amplifying device such as a poweramplifier cannot deliver an output wave wider than its powersupply voltage. When you reach the limit, increasing gain may sound louder but sound will be distorted and can even damage speakers. This audio power levelindicator circuit will announce with an LED that you have reached a particular level of an audio power... READ AND DOWNLOAD
[1798]. DESIGN AND CONSTRUCTION A TRAFFIC LIGHT MONITORING SYSTEM: Traffic light breakdown is very common. These create hassle as well as unsafe condition for road users. This project provides a new paradigm in traffic light monitoring system... READ AND DOWNLOAD
[1799]. DESIGN AND CONSTRUCTION OF AN UNTERUPTIBLE POWER SUPPLY USING SG3524N: 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 AND DOWNLOAD
[1800]. DESIGN AND CONSTRUCTION OF A VARIABLE FREQUENCY DRIVE INDUSTRIAL APPLICATIONS: When Tesla first introduced the 3-phase alternating current (AC) induction motor in 1888, he knew that his invention was more efficient and reliable than Edison's direct current (DC) motor. However, AC motor speed control requires either varying the magnetic flux or changing the number of poles on the motor. Even decades after the induction motor gained widespread use, changing the frequency for speed control remained an extremely difficult task — and the physical construction of the motor prevented manufacturers from creating motors with more than two speeds... READ AND DOWNLOAD
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