+234 8146561114 or +2347015391124 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:
[2101] .DESIGN AND CONSTRUCTION OF A SOLAR BAG: This paper demonstrated a step by step process in designing a solar powered charging bag that is capable of charging mobile devices efficiently. A selection of existing products available on the market were reviewed and compared to ascertain the cost, size, and output capabilities...READ AND DOWNLOAD
[2102] .DESIGN AND CONSTRUCTION OF A TWO LANE SOLAR POWERED TRAFFIC LIGHT USING PLC: The steady supply of public power has always been a challenge in third world countries. The proposed solar based smart two lane junction traffic light is to work independent of public power supply using abundant renewable energy (solar)...READ AND DOWNLOAD
[2103] .DESIGN AND CONSTRUCTION OF A WIRELESS MICROPHONE: This paper presents the design and construction of a wireless microphone FM transmitter with a range of about 100meters. Wireless microphone FM transmitter with a range of about 100meters...READ AND DOWNLOAD
[2104] .DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATTERY SWITCH: 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...READ AND DOWNLOAD
[2105] .DESIGN AND CONSTRUCTION OF AN AUTOMATIC BELL FOR INSITITUTION: 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...READ AND DOWNLOAD
[2106] .DESIGN AND CONSTRUCTION OF AN RFID AND PASSWORD BASED AUTOMATIC DOOR ACCESS CONTROL SYSTEM: Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. These techniques are an integration of mechanical and electronic devices and highly intelligent. One of the prominent features of these innovative lock systems is their simplicity and high efficiency...READ AND DOWNLOAD
[2107] .DEVELOPMENT OF A FINGERPRINT VERIFICATION SYSTEM: Biometrics technology is rapidly progressing and offers attractive opportunities. In recent years, biometric authentication has grown in popularity as a means of personal identification in access authentication systems...READ AND DOWNLOAD
[2108] ENERGY EFFICIENT USE OF LIGHT EMITTING DIODE: A light-emitting diode (LED) is a two-lead semiconductor light source. It is a basic pn-junction diode, which emits light when activated. When a fitting voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons...READ AND DOWNLOAD
[2109] DESIGN AND IMPLIMENTATION OF A FINGERPRINT AUTHENTICATION SYSTEM: Biometrics technology is rapidly progressing and offers attractive opportunities. In recent years, biometric authentication has grown in popularity as a means of personal identification in access authentication systems. The prominent biometric methods that may be used for authentication include fingerprint, palmprint, handprint, face recognition...READ AND DOWNLOAD
[2110] INTERNET OF THINGS: The Internet of things refers to a type of network to connect anything with the Internet based on stipulated protocols through information sensing equipments to conduct information exchange and communications in order to achieve smart recognitions, positioning, tracing, monitoring, and administration...READ AND DOWNLOAD
[2111] INVERTER TECHNOLOGY IN AIR CONDITIONER: An inverter is a device for converting frequency. The technology is used in many home appliances and controls electric voltage, current and frequency. Inverter air-conditioners vary their cooling/heating capacity by adjusting the power supply frequency of their compressors. This technology saves monthly bill because it bringing about high energy efficiency...READ AND DOWNLOAD
[2112] VOLTAGE AND POWER STABILITY ON HVDC SYSTEMS AND TRANSMISSION: 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...READ AND DOWNLOAD
[2113]. WIRELESS MICROPHONE WORKING SYSTEM: This paper presents the design and construction of a wireless microphone FM transmitter with a range of about 100meters. Wireless microphone FM transmitter with a range of about 100meters. ..READ AND DOWNLOAD
[2114] DESIGN AND CONSTRUCTION OF A STEREO HEADPHONE AMPLIFIER: Headphone amplifier drives headphones instead of loudspeakers. Most commonly they are found embedded in electronic devices such as integrated amplifiers, portable music players and televisions, but standalone units are not uncommon.Headphone amplifier can provide the voltage levels necessary...READ AND DOWNLOAD
[2115] DESIGN AND CONSTRUCTION OF A WHISKER FOR ROBOTS: Whisker for robots is simple switch-type sensors that work like an animal’s whiskers detecting nearby objects in the environment. When disturbed, the sensor sends a pulse to the robot to indicate that an obstacle is present. Sensitive but inexpensive general-purpose whiskers can be made using commonly available steel guitar strings...READ AND DOWNLOAD
[2116] DESIGN AND CONSTRUCTION OF A PHOTOMETER: A photometer is an instrument that measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum. Most photometers convert light into an electric current using a photoresistor, photodiode, or photomultiplier. But in this wor a photometer was designed using a light dependent resistor...READ AND DOWNLOAD
[2117] .DESIGN AND CONSTRUCTION OF A SMART EMERGENCY LIGHT: An emergency light can come in handy at all sorts of time, especially when there’s a power outage. This work is on a white LED-based smart emergency light that automatically turns on when mains power supply fails...READ AND DOWNLOAD
[2118] . DESIGN AND CONSTRUCTION OF A DIGITAL CAMERA ADAPTOR: With this device, You need not be disappointed next time your digital camera shows low battery indication during a busy or working time. All you need to do is to Just plug this digital camera adaptor into the cigarette lighter outlet of your car and connect the camera to it. The adaptor will interface the DC source and the camera...READ AND DOWNLOAD
[2119] .DESIGN AND CONSTRUCTION OF A MOCK ALARM WITH CALL BELL: This work is on an automatic mock alarm to ward off any intruder to your house. The alarm becomes active at sunset and remains ‘on’ till morning. The flashing light-emitting diodes (LEDs) and beeps from the unit simulate the functioning of a sophisticated alarm system. Besides, the circuit turns on and off a lamp regularly at an interval of 30 minutes throughout the night. It also has a call bell facility. ...READ AND DOWNLOAD
[2120] .DESIGN AND CONSTRUCTION OF AN SMF BATTERY GUARD: The emergency light is an automatic system in which a rechargeable battery-operated light source turns on as soon as the mains power fails. When the mains supply resumes, the lamp turns off. Usually, 6V sealed maintenance-free (SMF) batteries are used in portable emergency lights. Many low-cost lights give no indication when the battery goes flat, so there is the risk of battery failure. This work is on a battery guard circuit for emergency lights having no deep-discharge protection circuitry. It disconnects the bulb in case the battery voltage goes below a safe value (5V)...READ AND DOWNLOAD
[2121]. DESIGN AND CONSTRUCTION OF A MULTIDOOR OPENING ALARM WITH INDICATOR: This door opening alarm alerts you of intruders which can be used for up to three doors. You simply need to fit a small unit including reed switch on each door frame and fix a magnet on the moving door such that the magnet aligns with the reed switch when the door is closed. A separate unit incorporating the power supply, three LEDs and a buzzer is to be kept by your side inside your room. A three core ribbon cable from this unit goes to each door unit. One core goes to the positive terminal, second to the negative terminal and third to the output of the unit...READ AND DOWNLOAD
[2122] DESIGN AND CONSTRUCTION OF A CLOCK TICK-TOCK SOUND GENERATOR & LED PENDULUM : Wooden-case, battery-operated wall clocks with pendulums are available in the market. Some even have chimes. What is missing is the tick-tock sound of old mechanical pendulum clocks. This work is on a tick-tock sound generator. It is built around timer IC 7555 (IC1) wired as an astable multivibrator. Resistor R1, preset VR1 and capacitor C1 generate frequencies that can be varied with the help of preset VR1. At output pin 3 of IC1, a small speaker is connected via capacitor C3 that produces the tick-tock sound...READ AND DOWNLOAD
2123]. CONSTRUCTION OF 1.5KVA POWER INVERTER WITH 12V/100AH BATTERY: 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 grid. In order words the device / item serves as a substitute for national grid which almost monopolises the power supply to people ...read and download
[2124] DESIGN AND CONSTRUCTION OF A WHITE LED-BASED EMERGENCY LAMP AND TURNING INDICATOR: White LEDs are replacing the conventional incandescent and fluorescent bulbs due to their high power efficiency and low operating voltage. These can be utilised optimally for emergency lamp and vehicle turning indication. In the emergency lamp, seven 1.2V AA-size Ni-Cd cells giving 8.4V have been used as the power source. The brightness is controlled by duty-cycle variation of an astable multivibrator working at 1 kHz. The astable multivibrator is built around IC1. Its output is connected to LED-driver transistor T1. This work is on white LED based emergency lamp and turning indicator circuits for the purpose...READ AND DOWNLOAD
[2125] . DESIGN AND CONSTRUCTION OF A MULTICELL CHARGER: Multicell charger is a battery charging device, which can safely charge up to two pieces of Ni-Cd cells or Ni-MH cells. The circuit is compact, inexpensive and easy-to-use. The 230V AC mains is down-converted to 12V AC (at 500 mA) by step-down transformer X1, converted into pulsating DC voltage by diodes D1 and D2, and fed to the battery charger terminals via current-limiting resistor R1 and silicon-controlled rectifier SCR1....READ AND DOWNLOAD
[2126] .DESIGN AND CONSTRUCTION OF AN 220V LIVE WIRE SCANNER : This project work is on 220v live wire scanner. When you hold the sensor (metallic conductor or copper wire) close to the live wire, electric field from mains activates the circuit. As the input impedance of the CMOS IC is high, the electric field induced in the sensor is sufficient to clock ...READ AND DOWNLOAD
[2127] . DESIGN AND CONSTRUCTION OF A DOORBELL-CUM-VISITOR INDICATOR: This doorbell cum visitor indicator circuit can also give identification of the visitor to your home in your absence. When you’re home, you can use it simply as a normal doorbell. The circuit comprises a monostable built around timer IC 555 (IC1), relay driver transistor BC548 (T1), inverter section built around IC 7404 (IC2), latching section built around IC 555 (IC3) and LED display driver transistor BC548 (T2) ...READ AND DOWNLOAD
[2128] . DESIGN AND CONSTRUCTION OF A LIQUID-LEVEL ALARM: The Liquid Level Alarms are designed to provide warning indication when storage (Effluent, Grey Water or Rain Water etc) tank is either empty or full. Warning indication is determined by a float switch. Warnings are; Audio (buzzer), Visual (LED Pilot Light and/or Strobe). The Buzzer can be muted via a mute button. If not muted the Audible buzzer will automatically silence after 5 minutes. If a continuously sounding audible alarm is required, this can be done by changing the Jumper position on the circuit board...READ AND DOWNLOAD
[2129] .DESIGN AND CONSTRUCTION OF AN ELECTRONIC FUSE: Fuse is a vital protection device for many electronic devices. They simply monitor the current consumed by the circuit/load and in the event of unsafe current flowing through the circuit the fuse will blow itself and thus prevent the load/circuit form getting damaged by that high current. This type of fuse is called a mechanical fuse and there are many types of fuse such as fast blow, slow blow etc, but they suffer from one common draw back. When a fuse is blown it has to be replaced by the consumer/operator to make the device function normal again. This is the reason why many old electronic devices like toaster or electric kettle had a spare fuse provided along with the product...READ AND DOWNLOAD
[2130] .DESIGN AND CONTRUCTION OF A BICYCLE GUARD: This work is on a bicycle guard which is an anti-theft device for bicycles which is inexpensive and can be constructed easily using a few components.At the heart of the circuit is a wheel rotation detector, realized using a DC micro motor. For the purpose, you can use the micro-motor (spindle motor) of a discarded local CD deck mechanism. Power supply switch S1 should be kept ‘on’ when you are using this bicycle guard. When it is flipped towards ‘on’ position, the circuit gets power from the miniature 12V battery....READ AND DOWNLOAD
[2131] .DESIGN AND CONSTRUCTION OF A WATER-TANK OVERFLOW INDICATOR: Water is a vital but scarce natural resource. To prevent water wastage, this water tank overflow indicator comes in handy. It gives audio as well visual alarm whenever the water tank overflows. When water in the tank touches the metal plate sensors, it extends ground to pin 2 of IC1. Now pin 3 of IC1 is at a higher potential than pin 2. The high output of the op-amp generates 3.1V across zener diode ZD1. Melody generator IC2 produces a melody...READ AND DOWNLOAD
[2132] .DESIGN AND CONSTRUCTION OF A SIMPLE SMOKE DETECTOR: Smoke Detectors are very useful in detecting smoke or fire in buildings, and so are the important safety parameters. In this project, we are going to build a Simple Smoke Detector Circuit without using any Microcontroller. This circuit triggers the Buzzer whenever it detects Smoke or fire near by it. This circuit mainly uses MQ6 Smoke/Gas sensor to detect the level of smoke. MQ6 gas sensor is also sensible to LPG, Alcohol, and Methane etc. In this work a Buzzer ...READ AND DOWNLOAD
[2133] . DESIGN AND CONSTRUCTION OF A REMOTE EMERGENCY ALARM FOR UNMANNED LIFTS: In unmanned lifts or elevators, sudden power failure cannot be detected from the remote operating room, and this can prove dangerous for the lift users. This work is on a simple remote emergency alarm circuit that sounds an alarm in the remote lift/elevator control room in the event of power failure. The circuit operates off a 6V DC battery...READ AND DOWNLOAD
[2134] .DESIGN AND CONSTRUCTION OF AN AUDIO-CONTROLLED RUNNING LIGHT: This mains operated audio controlled running light can be used in discotheques. The lamps glow in running sequence as per the sound of music. Of the ten AC lamps, only one lamp permanently glows if there is no sound. When music is played, light starts ‘running’ through the lamps. The condenser mic converts audio signals into electric signals. ...READ AND DOWNLOAD
[2135] .DESIGN AND CONSTRUCTION OF A POWER SUPPLY REVERSAL CORRECTER-CUM-PREVENTER: When power-supply polarities of an electronic device are accidentally interchanged, the device runs the risk of damage. The danger can be avoided by adding this tiny circuit to the power supply section of the device. This power supply reversal correcter circuit will instantly correct the interchanged poles of the power supply and warn of the error by raising an alarm accompanied with a visual indication...READ AND DOWNLOAD
[2136] .DESIGN AND CONSTRUCTION OF A PANIC PLATE:Wireless panic alarm system is a full proof method to secure a building. The panic alarm system consists of panic alarm buttons and sirens. These panic buttons located at rather, strategic locations inside building premises. Moreover, high volume siren receivers spread across the building. While there is an event of an emergency, a person can alert the security personnel by mere pressing of a button. The panic siren system also has provision for handheld remote control units. Therefore ...READ AND DOWNLOAD
[2137] .DESIGN AND CONSTRUCTION OF MAINS SUPPLY FAILURE BACKUP LIGHT :In the event of a sudden blackout at night, this mains supply failure backup light switches on automatically to provide sufficient light for around 30 seconds (extendible), which is enough to switch on an emergency lamp or light up a candle. The device is simple, low-cost and maintenance-free as it uses no battery, bulky transformer or incandescent bulb. It operates off AC voltages ranging from 100V to 300V RMS, which is particularly useful for rural areas where fluctuations in voltage are excessive. The circuit uses a white LED as the light source and an electrolytic capacitor for backup power, which makes it a ‘fit and forget’ circuit requiring no frequent replacement of the battery or bulb...READ AND DOWNLOAD
[2138] .DESIGN AND CONSTRUCTION OF A CAPACITOR EVALUATOR : Using this circuit and a known-value capacitor, you can find out the value of any capacitor. This circuit can be divided into capacitor evaluator and display sections. The capacitor evaluator circuit works off regulated 5V and 12V, while the display unit works off 5V. Connect 5V, point Y and ground of the capacitor evaluator section to the respective terminals of the display section....READ AND DOWNLOAD
[2139] .DESIGN AND CONSTRUCTION OF A SIGNAL DIODE-BASED FIRE ALARM . :A fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby interrupting the current. It is a sacrificial device; once a fuse has operated it is an open circuit, and it must be replaced or rewired, depending on type. Generally ...READ AND DOWNLOAD
[2140] .DESIGN AND CONSTRUCTION OF A BLOWN-FUSE INDICATOR FOR AC LOAD : A fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby interrupting the current. It is a sacrificial device; once a fuse has operated it is an open circuit, and it must be replaced or rewired, depending on type. Generally, when equipment indicates no power, the cause may be just a blown fuse...READ AND DOWNLOAD
[2141] .DESIGN AND CONSTRUCTION OF A LOW-COST STOPWATCH : 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 [1]. To be more precise about the counting system of time, it is commonly known that one day is divided into 24 hours, one hour is divided into 60 minutes and one minute is divided into 60 seconds, while this particular project particularly...READ AND DOWNLOAD
[2142] .DESIGN AND CONSTRUCTION OF A DIGITALLY ADJUSTABLE DANCING LIGHTS : There are different types of adjustable dancing lights (flickering LEDs). Most of them use presets (variable resistors) to adjust the rate of switching. Being a mechanical component, the preset easily wear out with use and also introduces noise in the circuit. The adjustable dancing lights circuit presented here selects different values of resistors to control the frequency of an astable multivibrator using timer IC 555. ...READ AND DOWNLOAD
[2143] .DESIGN AND CONSTRUCTION OF A CAR FAN SPEED CONTROLLER : A cooling 12V car fan is ideal for supplying that supplemental air current behind the wheel to assist you maintain composed throughout warm conditions. Effortless to mount in a secure location utilising an easy suction cup or dashboard fixing. using this fan speed controller circuit you can control the speed of 12V DC fans used in cars. The circuit is built around timer 555, which is wired as an astable multivibrator. ...READ AND DOWNLOAD
[2144] .DESIGN AND CONSTRUCTION OF AN IR RECEIVER MODULE TESTER :This project work is on IR receiver module tester for on-board testing of IR modules used for remote control of TV sets and VCD players. The circuit is very simple and can also function as a remote tester. The IR receiver module is designed with high immunity against ambient light and is capable of continuous data transmission at up to 2400 bps or higher. The band-pass filter and AGC suppress unexpected noise to avoid false triggering. The module responds to the IR beam only if its carrier frequency is close to the centre frequency of the band pass...READ AND DOWNLOAD
[2145] . DESIGN AND CONSTRUCTION OF AN IN-CAR FOOD AND BEVERAGE WARMER : This device is used by those who are frequently on the move. It is used to keep your tea, coffee or food warm while consuming little power. The circuit is simple and uses a ubiquitous timer 555 as a free-running astable multivibrator. Diodes 1N4148 are connected in reverse direction to facilitate maximum variation of the duty cycles. The aim of this work is achieved by connecting up to five 10W heating elements in parallel, totaling 50 watts. The consumption of current will be significantly less if fewer coil elements are connected in parallel through toggle switches S2 through S4. Each of these switches has a 6A rating....READ AND DOWNLOAD
[2146]. DESIGN AND CONSRUCTION OF A 555 TIMER PWM AUDIO AMPLIFIER: Conventional methods of audio amplification use high power circuits to drive a loudspeaker for areas like an auditorium or any other hall. However for applications involving use of small loudspeakers for low range requirements, we can meet the requirements by constructing a low power amplifier with a low output current such as 200 mA. ...READ AND DOWNLOAD
[2147]. DFESIGN AND CONSTRUCTION OF A MUSICAL WATER SHOWER: This work is on a musical water shower. It plays different tunes repeatedly for as long as your shower is turned on. The music starts as soon as water comes out of the shower. The music stops when you turn the shower ‘off’ and water stops coming out of it....READ AND DOWNLOAD
[2148]. DESIGN AND CONSTRUCTION OF A NIGHT LAMP: A nightlight is a small light fixture, usually electrical, placed for comfort or convenience in dark areas or areas that may become dark at certain times, such as at night or in an emergency. People usually use nightlights for the sense of security which having a light on provides, or to relieve fear of the dark, especially in young children. Nightlights are also useful to the general public by revealing the general layout of a room without requiring a major light to be switched on, for avoiding tripping over stairs, obstacles, or pets, or to mark an emergency exit. ...READ AND DOWNLOAD
[2149]. DESIGN AND CONSTRUCTION OF A SHADOW DETECTOR WITH AN ALARM: This work is titled design and construction of a shadow detector with an alarm. This system sounds an alarm whenever a shadow falls on it. Shadow alarms are widely used for security purposes. Project can be easily installed on the windows and doors. This circuit demonstrates the principle and operation of a simple shadow alarm using LDR ...READ AND DOWNLOAD
[2150]. DESIGN AND CONSTRUCTION OF AN AUDIO CONTROLLED RUNNING LIGHT: This mains operated audio controlled running light can be used in discotheques. The lamps glow in running sequence as per the sound of music. Of the ten AC lamps, only one lamp permanently glows if there is no sound. When music is played, light starts ‘running’ through the lamps. The condenser mic converts audio signals into electric signals. Transistor T1 amplifies the microphone signals, which provide clock pulses to decade counter IC CD4017 (IC1). Preset VR1 is used to vary the signal level. ...READ AND DOWNLOAD
[2151]. DESIGN AND CONSTRUCTION OF AN AUDIO-CONTROLLED DISCO LIGHT CONTROLLER CIRCUIT: This work is on a simple audio-controlled disco light controller circuit. In this work, a standard audio power amplifier output, which usually drive loudspeaker, can used to drive this disco light circuit. With this circuit we don’t need light jockey anymore, because the flashing of the light will be directly controlled by the music signal itself. ...READ AND DOWNLOAD
[2152]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC EMERGENCY LIGHT CIRCUIT: This low cost automatic emergency lighting circuit turns on a lamp during power failures. It is powered by a NiCad battery that is being charged by the main power line when there is no blackout. The circuit design is very simple and can be made by almost anyone. The voltage from the step down transformer is rectified by diode D1 and filtered by C1. The NiCad battery gets charged with about 100 mA via the diode D2 and resistor R1. The battery must have a capacity of at least 2 Ah to tolerate the charging rate....READ AND DOWNLOAD[2153]. DES
[2153]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC INFRARED FAUCET CONTROLLER: This work is an easy-to-use circuit of an automatic infrared (IR) faucet controller suitable for hand hygiene and water conservation at homes, hospitals and offices. With this compact controller you can turn on and off a faucet automatically, preventing water wastage and saving energy costs.The core part of the faucet controller is an electronic circuitry that determines the opening of the valve. An IR sensor continuously monitors objects like hands in front of the faucet. When you place your hand in front of the faucet, it automatically activates an electromagnetic relay to switch a solenoid valve, and concerted action provides enough water...READ AND DOWNLOAD
[2154]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC ROOM LIGHTS USING ARDUINO AND PIR SENSOR: This work is on an Automatic Room Lights using Arduino and PIR Sensor, where the lights in the room will automatically turn ON and OFF by detecting the presence of a human. This Automatic Room Lights can be implemented in your garages, staircases, bathrooms, etc. where we do not need continuous light but only when we are present. Also, with the help of an automatic room light control system, you need not worry about electricity as the lights get automatically off when there is no person. The aim of this work is to build a device that lights in the room will automatically turn on upon detecting a human motion and stay turned on until the person has left or there is no motion...READ AND DOWNLOAD
[2155]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC ROOM-LOCK AND LIGHTS CIRCUIT: This circuit counts and indicates up to nine persons present in the room and automatically locks the door and switches off lights as soon as they leave. It automatically switches on the lights when the first person enters the room. The circuit can be used as a power-saving device and a security device to prevent unauthorised entry in the room, especially in a business meeting room...READ AND DOWNLOAD
[2156]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC SWITCH-OFF BATTERY CHARGER: This work is on an automatic switch-off battery charger based on a 555 timer IC. This smart charger automatically switches off when your rechargeable batteries reach the full charge. The circuit comprises a bistable multivibrator wired around timer IC 555. The bistable output is fed to an ammeter (via diode D1) and potmeter VR1 before it goes to three Ni-Cd batteries that are to be charged...READ AND DOWNLOAD
[2157]. DESIGN AND CONSTRUCTION OF BLOWN FUSE INDICATOR (1): This work is on a blown fuse indicator which comprising of a voltage responsive solid state switching circuit responsive to a predetermined voltage for rendering a solid state switch conducting and thereby energizing a signaling lamp when a fuse is in its open state. The conductors of the blown fuse indicator which are connected at opposite terminals of the fuse are provided with current limiting impedances immediately adjacent the fuse connections to limit current in the conductors as well as limiting the current in the blown fuse indicator circuit...READ AND DOWNLOAD
[2158]. DESIGN AND CONSTRUCTION OF A BLOWN FUSE INDICATOR CIRCUIT WITH LED DISPLAY: This is a Blown Fuse indicator circuit by LED Display. A Fuse be the equipment protects that use often most. Because of cheapness can use protect electronics expensive circuit. Generally when fuse torn us can know immediately. but in sometimes ...READ AND DOWNLOAD
[2159]. DESIGN AND CONSTRUCTION OF A BRAKE FAILURE INDICATOR: This work is on brake failure indicator circuit that constantly monitors the condition of the brake and gives an audio-visual indication. It gives early warning of brake failure while driving. When the brake is applied, the green LED blinks and the piezo buzzer beeps for around one second if the brake system is intact. If the brake fails, the red LED glows and the buzzer stops beeping...READ AND DOWNLOAD
[2160]. DESIGN AND CONSTRUCTION OF A DANCING LIGHT CIRCUIT:This work is on a simple Dancing LED Circuit. The LEDs turns on/off alternately giving a dancing appearance. It is a simple Astable multivibrator using two NPN transistors. It works on the principle of charging and discharging of capacitors C1 and C2. Current from the positive of battery flows through first set of LEDs D1-D3 to the collector of T1 through resistor R1. Resistor R1 limits current through the LEDs to protect them. The current through R1 charges capacitor C2. It then discharges through the base of T2 and resistor R4. This gives base current to T2 and it conducts. As a result second set of LEDs D4-D6 lights as the current flows through T1.Capacitor C2 again charges and the cycle repeats. ...READ AND DOWNLOAD
[2161]. DESIGN AND CONSTRUCTION OF A LUXMETER USING A LIGHT DEPENDENT RESISTOR: A luxmeter is a device that measures illuminance and luminous emittance using the SI unit of lux. It effectively measures the amount of power from the light falling on a given unit of area, except that the power measurement is weighted to reflect the sensitivity of the human eye to varying wavelengths of light. A lux meter measures how bright the light falling on the sensor is. The aim of this work is to build a luxmeter using Arduino, an LCD shield, the LDR, and a 5 kohm resistor...READ AND DOWNLOAD
[2162]. DESIGN AND CONSTRUCTION OF A CHEAP CHRISTMAS LED FLASHER CIRCUIT IS CONTROLLED BY AUDIO: This Christmas LED flasher circuit project controlled by audio is designed to meet the needs of create particular project. This project is an LED chaser that is controlled by the voice signal. This principle the led run is not fixed or not of course, is a sparkling running light. The sound from the microphone or input signal. When no audio LED will not lit...READ AND DOWNLOAD
[2163]. DESIGN AND CONSTRUCTION OF A GEYSER TIMER: This geyser timer circuit sounds an alarm after the set timing of 22 minutes when the water is heated up and can be used. The circuit comprises a timer IC 555 wired as an astable multivibrator with adjustable time period of 15 seconds. The astable output after inversion ...READ AND DOWNLOAD
[2164]. DESIGN AND CONSTRUCTION OF A PANIC ALARM: Wireless panic alarm system is a full proof method to secure a building. The panic alarm system consists of panic alarm buttons and sirens. These panic buttons located at rather, strategic locations inside building premises. Moreover, high volume siren receivers spread across the building. While there is an event of an emergency, a person can alert the security personnel by mere pressing of a button...READ AND DOWNLOAD
[2165]. ARTIFICIAL INTELLIGENCE BOT AS PERSONAL ASSISTANT: An AI personal assistant is a piece of software that can perform tasks for a user based on verbal or written commands. This software can perform tasks such as providing online customer service, sales and marketing massages which would have been carried out by human assignment. This .READ AND DOWNLOAD
[2166]. ATM SECURITY USING EYE AND FACIAL RECOGNITION SYSTEM: With the support of ATM, though banking has been made easy, the chance of fraud are very high there has been countless number of mishap and misrepresentations which usually occur during transaction. This has given rise to a need for development ...READ AND DOWNLOAD
[2167]. AUTOMATION OF CUSTOMER SERVICE, SALES AND MARKETING MASSAGES USING CHATBOT: This thesis presents a customer service chat application: online customer service application. Its purpose is to provide online chat with website visitors in real time, independent of the location. We examine the functional requirements of such an application. The requirements are: interactivity, enhancing customer relationships and satisfaction, good quality and fulfilling a need...READ AND DOWNLOAD
[2168]. DESIGN AND CONSTRUCTION A 2.5KVA AUTOMATIC VOLTAGE REGULATOR: An automatic Voltage regulators 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 regulator 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
[2169]. 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...READ AND DOWNLOAD
[2170]. DESIGN AND CONSTRUCTION OF A HAND HOLD METAL DETECTOR: Metal detector is designed to meet up with security demand in our society such as in our financial institution, churches, homes, schools etc. A metal detector is a device which responds to metal that may not be readily apparent.This system detects metals of different types and also electronics gadgets such as cell phone, bombs etc. it work in such a way that when such devices are brought close to it, it detects it by giving out a beep. The metal detector...READ AND DOWNLOAD
[2171]. A STUDY OF RENEWABLE ENERGY RESOURCES FOR BACKUP POWER APPLICATIONS: Years from now, with the estimated growth in world population and economic activities, fossil fuels which currently generate more than half of the world’s energy needs would not be able to keep up with this pace because it is a non-renewable source of energy, in other words exhaustible...READ AND DOWNLOAD
[2172]. DESIGN AND CONSTRUCTION OF A SIMPLE DYNAMO:Dynamo is the name given to D.C generators. In the past, alternating current generators are not common. Voltages are generated using dynamo where the voltage generated are later converts to A.C. The dynamo I constructed had a permanent magnet. This magnet in the form of circular disc which revolves around turns of coil that is wound on a u-shaped former. When the disc is rotated the magnetic field North / South pole cuts lines of force and e.m.f is generated...READ AND DOWNLOAD
[2173]. CONSTRUCTION OF AN ADJUSTABLE ELECTRONIC FLASHER: Flashing circuits are very interesting. They grab your attention and can be used in many applications. They consume very little energy and a single cell can last as long as 12 months. You can flash globes, LEDs and pulse all types of devices such as motors, solenoids and piezo diaphragms. ...READ AND DOWNLOAD
[2174]. CONSTRUCTION OF AUTOMATIC WATER LEVEL CONTROLLER FOR BOTH OVERHEAD AND UNDERGROUND TANKS: Automatic water level controller for both overhead and underground tank is designed to monitor the level of water in a tank. It displays the level of water and when it is at the lowest level; a pump is activated automatically to refill the tank. When the tank is filled to its maximum...READ AND DOWNLOAD
[2175]. DESIGN AND CONSTRUCTION OF A SOLAR POWERED PEDESTRIANS LIGHTING SYSTEM: This work is on solar powered pedestal lighting system. This solar powered pedestal lighting system uses power LEDs for lighting. Solar energy is first converted into DC electricity by a solar photovoltaic cell and used to charge a storage battery. The solar energy stored in the battery is utilised at night for pedestal lighting using power LEDs....READ AND DOWNLOAD
[2176]. DESIGN AND CONSTRUCTION OF A THYRISTOR BASED CYCLOCONVER: The project aims at controlling the speed of a single phase induction motor making use of cyclo convertor mechanism through thyristors. It becomes difficult to control the speed of induction motors that usually operates at constant speed. The process ...READ AND DOWNLOAD
[2177]. DESIGN AND IMPLEMENTATION OF AN INTELLIGENT TRAFFIC CONTROL FOR A CROSS ROAD: Traffic congestion has become a major problem nowadays. Traffic congestion especially occurs in metropolitan cities. Increased air pollution, noise pollution, accidents, delay in travel time etc are some of the problems that are faced by people living in these mega cities. ...READ AND DOWNLOAD
[2178]. EVALUATION OF ALTERNATIVE POWER SUPPLY FOR MINI-BUSINESS (CASSAVA GRINDING ENTERPRISE) FOR RURAL COMMUNITIES: The competing needs for cassava cut across both human and animal consumption. It is fast becoming a popular raw material in industrial production and is now a preferred material for making biofuels and many other products. Several small scale cassava farmers are making a fortune and changing their lives through this business....READ AND DOWNLOAD
[2179]. DESIGN AND CONSTRUCTION OF AN AUTOMATED HIGH LIGHTING SYSTEMS [2] :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
2180]. DESIGN AND CONSTRUCTION OF A 0-30V LABORATORY VOLTAGE SUPPLY: This project work is on design of a 0-30v laboratory voltage supply. This work describes you how to design a 0-30v laboratory voltage supply circuit. The main advantage of this power supply circuit is that it can vary the output voltage and output current ...read and download
[2181]. DESIGN AND IMPLEMENTATION OF A BMI MACHINE USING LOAD CELL AND ULTRASONIC SENSOR: Here we propose an automated BMI calculator system that does not need the user to input anything. The user just needs to stand on a platform and the system displays BMI as well as body type of user. The system uses load cells for weight sensing along with an ultrasonic sensor for height measurement...READ AND DOWNLOAD
[2182]. COMPUTER SIMULATION OF A SOLAR PV POWERED 2 BEDROOM FLAT(DEPARTMENT OF ELECTRICAL ENGINEERING): This is an off grid photovoltaic system designed for a two bedroom flat (department of electrical engineering) in university of portharcourt. It is aimed at clearing doubts and fear engulfed by residential owners about photovoltaic systems in the country. The off grid photovoltaic system was design based on the electrical energy requirement of the flat...READ AND DOWNLOAD
[2183]. DESIGN AND CONSTRUCTION OF A DOT MATRIX INFORMATION DISPLAY SYSTEM (To display “welcome to electrical electronic engineering department”): This work is on design, construction and working of a Dot Matrix Information Display. The project covered a fairly comprehensive study of a Dot...read more and download full material
[2184]. DESIGN AND CONSTRUCTION OF A SINGLE PHASE POWER SUPPLY FOR A THREE PHASE INDUCTION MOTOR: These 3 phase motor is supplied with 3 three-phase AC supply and is widely used in ships for heavier loads. This research is purposed to established a new method is simple and good to operate the three phase induction motor on single phase power by using capacitor... READ AND DOWNLOAD
[2185]. DESIGN AND CONSTRUCTION OF A SOLAR DRYER: The solar drying system utilizes solar energy to heat up air and to dry any food substance loaded, which is not only beneficial in that it reduces wastage of agricultural produce and helps in preservation of agricultural produce, but it also makes transportation of such dried produce easy and promotes the health and welfare of the people. This paper presents the design and construction of a domestic passive solar food dryer... READ AND DOWNLOAD
[2186]. DESIGN AND CONSTRUCTION OF AN AUTOMATED HIGH LIGHTING SYSTEMS USING MICROCONTROLLER, LDR, RTC AND ULTRASONIC SENSOR: Generally, street or home lights are switched ON for whole night and during the day, they are switched off. But during the night time, street lights are not necessary if there is no traffic. Saving of this energy is very important factor these days as energy resources are getting reduced day by day. Alternatives for natural resources are very less and our next generations may face lot of problems because of lack of these natural resources... READ AND DOWNLOAD
[2187]. DESIGN AND CONSTRUCTION OF DC POWER BASED EMERGENCY LIGHTING AND BURGLAR SYSTEM FOR FOUR BEDROOM FLAT: This device does two different works. It does the work of an emergency light and also the work of burglar alarm. It consists of two different circuits the two different works. The automatic emergency light part of the device turns light ON during dark condition. Automatic Emergency Light will turn ON the emergency light only during the Dark condition... READ AND DOWNLOAD
[2188]. DESIGN OF A SOLAR PHOTOVOLTAIC SYSTEM FOR THREE BEDROOM FLAT: This is an off grid photovoltaic system designed for a three bedroom flat located in nkpolu-oroworukwo, port-harcourt, Nigeria. It is aimed at clearing doubts and fear engulfed by residential owners about photovoltaic systems in the country. The off grid photovoltaic system was design based on the electrical energy requirement of the flat.... READ AND DOWNLOAD
[2189]. FAULT ANALYSIS OF LOAD BEHAVIOR IN 33KV TRANSMISSION NETWORK USING SYMMETRICAL COMPONENT TECHNIQUES: When designing power transmission systems, electric utility companies are expected to follow a set of standard specifications that are briefly described in this research. The idea to be kept in mind is that during the planning and construction phases of transmission lines, natural elements, such as trees for example, there will be less of a chance of fault occurrences and therefore more power system reliability. Faults in transmission lines are one of the elements that will affect the reliability of the system. ...READ AND DOWNLOAD
[2190]. GENERATION TRANSMISSION CONGESTION FOR IMPROVED STABILITY: In the expanding transmission network, Congestion management and voltage stability are significant issues to be handled. Congestion management can be improved by increasing the power transfer capability or by reducing the system losses. With proper VAR support, the issue of voltage instability can be vanquished. Adaption of Flexible AC Transmission System (FACTS) devices is a techno-commercial manner to overcome the above issues...READ AND DOWNLOAD
[2191]. DESIGN AND CONSTRUCTION OF A SOLAR POWERED AUTOMATIC EMERGENCY LIGHTING SYSTEM: An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. Emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories. Most building codes require that they be installed in older buildings as well. It is powered by a 12v solar panel charges the battery during the day...READ AND DOWNLOAD
[2192]. DESIGN AND CONSTRUCTION OF A DIGITAL INCUBATOR: The purpose of this text is to present at a primary and intermediate level a comprehensive over view of the construction principle and indeed the operation of a Digital Incubator. We want to present a situation where by as the temperature in going up let the resistance be decreasing and as the temperature decreases let the resistance be going up...READ ANDF DOWNLOAD
[2193].DESIGN AND CONSTRUCTION OF AN ANALOGUE MULTIMETER: This work is on an analogue multimeter. A multimeter is a tool basically used to measure current, voltage and resistance. An analog multimeter is the most commonly used instrument by technicians and engineers in the laboratory as well as other repair works...READ AND DOWNLOAD
[2194]. DESIGN AND FABRICATION OF A SEMI AUTONOMOUS UNMANNED GROUND VEHICLE FOR SPACE EXPLORATION AND MILITARY SURVEILLANCE: Nowadays with major advancements in the field of vehicle automation, several dangerous and crucial counter terrorist operations are being handled by sophisticated machines which are not only more efficient but are also responsible for saving several human lives such vehicle is “unmanned ground vehicle...READ AND DOWNLOAD
[2195]. DESIGN AND IMPLEMENTATION OF A BMI MACHINE USING LOAD CELL AND ULTRASONIC SENSOR: Here we propose an automated BMI calculator system that does not need the user to input anything. The user just needs to stand on a platform and the system displays BMI as well as body type of user. The system uses load cells for weight sensing along with an ultrasonic sensor for height measurement. Now the system uses a microcontroller based circuit to get values of user height and weight. Based on the values the system calculates...READ AND DOWNLOAD
[2196]. DESIGN AND CONSTRUCTION OF ENERGY BASED PREPAID METER USING GSM: It is realized that one of the defective subsystems adding to the tremendous budgetary loss in Power Supply Company is the conventional metering and charging framework. Mistakes get presented at each phase of charging the energy rates, similar to blunders with conventional meters, reading errors by human while noticing ...READ ANDF DOWNLOAD
[2197]. DESIGN AND CONSTRUCTION OF A MOTION ACTIVATED SECURITY LIGHT CONTROL SYSTEM: A motion activated security light control system detects moving objects, particularly human being. A motion activated security light control system is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. This device forms a vital component of automated lighting control...READ ANDF DOWNLOAD
[2198]. DESIGN AND CONSTRUCTION OF A 220V-50V STEP DOWN TRANSFORMER WITH POWER RATING OF 500VA: This work is on 220vac to 50vac power supply using transformer. A Transformer is a static apparatus, with no moving parts, which transforms electrical power from one circuit to another with changes in voltage and current and no change in frequency. There are two types of transformers classified by their function: Step ...READ AND DOWNLOAD
[2199]. DESIGN AND CONSTRUCTION OF A 500W AUDIO AMPLIFIER: This work is titled the design and construction of 500W power amplifier. A 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. A power amplifier ...READ AND DOWNLOAD
[2200].DESIGN, CONSTRUCTION AND INSTALLATION OF CCTV: The implementation and use of video surveillance (Closed Circuit Television technology) in societies across the globe has stimulated major debate on a handful of topics. This report aims to highlight the importance of surveillance camera in homes and offices. The report will provide the reader with a variety of discussions, based on an objective throughout the world. it further evaluates the concept of the rise of surveillance societies and the protection of individual rights, and promotes further discussion...READ AND DOWNLOAD
[2201]. DESIGN AND CONSTRUCTION OF A CLOSED LOOP TRAFFIC LIGHT CONTROL SYSTEM: This work is on “closed loop traffic light control system”. Growing number of road users and the limited resources provided by current infrastructures lead to ever increasing traveling times. Traffic in a city is very much affected by traffic light controllers. When waiting for a traffic light, the driver loses time, manpower, increases air pollution and the car waste fuel. To make traffic light controllers more intelligent, this paper exploit the emergence of novel technologies, such as communication networks and sensor networks, as well as the use of more sophisticated ...READ AND DOWNLOAD
[2202]. CONSTRUCTION OF 100KVA AUTOMATIC AND MANUAL PHOTOCELL SYSTEM FOR STREET LIGHT CONTROL: This work is on a 100kva automatic and manual photocell system for street light control system which is 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. It has the capacity of turning ON during the dark hours and OFF automatically during daylight which can also be control manually using switch...READ AND DOWNLOAD
[2203]. CONSTRUCTION OF A WIFI BASED ENERGY METER (PREPAID METER): With the advent of Internet and computational era, not only opportunity to send and receive data between humans, but also among the devices without human control over it. This is known as Internet of Things (IoTs) concept which can be applied for solving the growing issue of power/energy management. A solution is a cheap and easy to implement and manage energy monitoring system for our daily usage of electric power. In order to overcome the human errors, manual labor and cost reducing in energy consumption with more efficiency for the power...READ AND DOWNLOAD
[2204]. DESIGN AND CONSTRUCTION OF SOLAR CAP: Solar cap which is a device that uses solar energy to supply electric power to the garment industry (solar cap) which allows wearers to carry, connect and charge their portable devices such as mp3, cellphone, dc fan etc. The materials used for constructing the solar cap and its specifications include solar cells, batteries, cap, and solar charger. The power developed by a solar cell depends on the product of current and voltage. A solar powered cap concentrates on the integration of electronic functions, components and systems into textile products...READ AND DOWNLOAD
[2205].DESIGN AND CONSTRUCTION OF SOLAR CAP: Solar cap which is a device that uses solar energy to supply electric power to the garment industry (solar cap) which allows wearers to carry, connect and charge their portable devices such as mp3, cellphone, dc fan etc. The materials used for constructing the solar cap and its specifications include solar cells, batteries, cap, and solar charger. The power developed by a solar cell depends on the product of current and voltage. A solar powered cap concentrates on the integration of electronic functions, components and systems into textile products...READ AND DOWNLOAD
[2206]. DESIGN AND ANALYSIS OF HIGH BAND PASS RC FILTER: Active filter plays an important role in today’s world of communication. A popular application uses an op-amp to build active filter circuits. A filter circuit can be constructed using passive components: resistors and capacitors. An active filter additionally uses an amplifier to provide voltage amplification and buffering. A filter that provides a constant output from dc up to cutoff frequency fOH. And passes no signal above that frequency is called ideal low pass filter. A filter that provides or passes a signal above the cutoff frequency is called ideal high pass filter. When a filter circuit ...READ AND DOWNLOAD
[2207]. DESIGN AND CONSTRUCTION AN AUTOMATIC SWITCH-OFF BATTERY CHARGER: This project is titled design and construction of an auto turn off battery charger. Automatic battery charger presented here is an acid battery charger that is designed to charge cell phone...READ AND DOWNLOAD
[2208]. DESIGN AND CONSTRUCTION OF A 220VAC/50Hz POWER INVERTER: Power inverter is an electrical appliance that can be used with DC battery as an alternative source of energy supply in the event of power failures and energy crisis. It is cheap, clean, very conducive and silent when in operation and a very reliable source of power supply as to generator. Modern research and technologies have shown that inverter is one of the cheapest forms of energy generation. Throughout the world, it is readily...READ AND DOWNLOAD
[2209]. DESIGN AND CONSTRUCTION OF A CLAP ACTIVATED SWITCH USING CD4017: Sensitive Clap activated switch is an electronics device that can switch on & off a light, Fan, Radio or any other appliance by the sound of clap. This is the system of a very sensitive clap switch. It switches ON/OFF a White LED or electrical appliances through claps. The circuit can sense the sound of claps from a distance of 1-2 meters. Condenser Mic picks up sound vibrations caused by the clap. The main component of this clap switch circuit is the Electric Condenser Mic, which has been used as a sound sensor. Condenser Mic basically converts sound energy into ...READ AND DOWNLOAD
[2210].DESIGN AND CONSTRUCTION OF A CLAP ACTIVATED SWITCH USING CD4017: Sensitive Clap activated switch is an electronics device that can switch on & off a light, Fan, Radio or any other appliance by the sound of clap. This is the system of a very sensitive clap switch. It switches ON/OFF a White LED or electrical appliances through claps....READ AND DOWNLOAD
[2211]. DESIGN AND CONSTRUCTION OF A GAS BAKING OVEN: In this study, a gas baking oven design and fabrication was carried out. The oven was designed and was fabricated with an outer dimension of 450 mm length × 350 mm width × 380 mm height made up stainless steel and the inner dimension of 380 mm length × 310 mm width × 340 mm height made up of aluminum sheet and silicone rubber and asbestos used as an insulator. The gas burner was fixed in the stand for baking and the deflector plate placed in the bottom of the baking chamber and the bimetallic thermometer was fixed in the oven and provided with the vent for the ...READ AND DOWNLOAD
[2212]. DESIGN AND CONSTRUCTION OF A POWER SUPPLY RESTORATION ALARM USING 555 TIMERS, LED AND BUZZER: Power restoration is a period of time when the electricity supply to a particular building or area is restored, for example because of replacement or servicing damage to the cables or any other reason. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of a refrigerator. If you experience a power off situation, your food will be spoilt. ...READ AND DOWNLOAD
[2213]. DESIGN AND CONSTRUCTION OF A SOLAR TRACKING SYSTEM: Electricity is one of the basic needs of life. Emission of harmful gases during the process of electricity generation leads to greenhouse affects. However, by employing photovoltaic (PV) panels, electricity can be generated without creating air, noise and water pollution caused by the emission of harmful gases. Geographically, Nigeria is located in a region of the world where solar irradiance is approximately 2000 KWh/m2. In recent decades, grid-connected PV power plants have been implemented worldwide to fulfill the power requirements. Usually, these power plants ...READ AND DOWNLOAD
[2214]. 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. This device receive minimum voltage of 120vac and maximum of 260vac and filter the current and voltage thereby brings out suitable voltage output to be used by the devices in it, then when there an unexpected power outage from the utility mains or generator the system will automatically ...READ AND DOWNLOAD
[2215]. DESIGN AND CONSTRUCTION OF AC MOTOR SPEED CONTROLLER: The speed control of separately excited dc motor is carried out by varying the armature voltage for below rated speed and by varying field flux to achieve speed above the rated speed. This thesis presents the speed control methodology by varying armature voltage using chopper by ...READ AND DOWNLOAD
[2216]. DESIGN AND CONSTRUCTION OF AN ALCOHOL DETECTOR IN AUTOMOBILES: Driving under the influence of alcohol has affected and killed countless of people’s lives. If you drink and drive, not only do you possibly put yourself at risk, but your passengers and pedestrians, and other people, who were on the roads. Every thirty minutes someone’s life is cut short and families are devastated. So, here we implemented a prototype version Alcohol Detection system in order to control drunk and driving. The Alcohol Detection system works on a simple principle, If a driver has been drinking, the alcohol breath analyser sensor will detect the level of ...READ AND DOWNLOAD
[2217]. DESIGN AND CONSTRUCTION OF AN ANALOGUE MULTIMETER: This work is on an analogue multimeter. A multimeter is a tool basically used to measure current, voltage and resistance. An analog multimeter is the most commonly used instrument by technicians and engineers in the laboratory as well as other repair works. As it is clear from the name of this instrument, it can make many (multi) measurements with reasonable accuracy such as AC and DC voltages, currents, and resistances. The aim of this work is to build a hand-held device that uses moving pointer to display readings useful for basic fault finding and field service work, or a bench ...READ AND DOWNLOAD
[2218]. DESIGN AND CONSTRUCTION OF CANTILEVER ACCESS CONTROL USING SMART CARD: Over the years, access control systems have become more and more sophisticated and several security measures have been employed to combat the menace of insecurity of lives and property. This is done by preventing unauthorized entrance into buildings through entrance doors using conventional and electronic locks, discrete access code, and biometric methods such as the finger prints, thumb prints, the iris and facial recognition. In this paper, a prototyped cantilever gate security system is designed to allow a privileged user to access a secure keyless cantilever...READ AND DOWNLOAD
[2219]. DESIGN AND CONSTRUCTION OF ELECTRIC COOKER: This project entails the design and construction of electric cooker, the cooker is powered by electricity because it is cheap and readily available. The energy conservation in this electric cooker involves the conversion of electrical energy to heat energy in the system. Materials used for the construction were selected based on their reliability availability, maintainability and durability. The device was tested and found to be working properly...READ AND DOWNLOAD
[2220]. DESIGN AND CONSTRUCTION OF FORWARD AND REVERSE DIRECT ONLINE MOTOR STARTER: A direct on line starter, often abbreviated DOL starter is an electrical/electronic circuit composed of electro-mechanical and electronic devices which are employed to start and stop an electric motor. Regardless of the motor type (AC or DC), the types of starters differ depending on the method of starting the motor. A DOL starter connects the motor terminals directly to the power supply. Hence, the motor is subjected to the full voltage of the power supply. Consequently, high starting current flows through the motor...READ AND DOWNLOAD
[2221]. DESIGN AND CONSTRUCTION OF MICROCONTROLLER BASED ALCOHOL DETECTOR USING GSM: This project is designed by keeping in mind the accidental death caused on the roads because of the consumption of alcohol by the driver. The whole system can be employed in any steering wheel equipped motor vehicle. The system which is made as compact as possible, senses the alcohol molecules present in a specific range and if found, fails the attempt of the driver to start the engine. Pushing the envelope and considering the actuality of the situation where the driver may not be able to drive, the system is interfaced with the widely used GSM technology to establish a ...READ AND DOWNLOAD
[2222]. DESIGN AND CONSTRUCTION OF POWER BOOSTER: This work is on power booster device, that is, using ironing and heating element on a 650w generator. This booster can be plugged to small generator like tiger generator and bigger generators. It does not affect the sound of the generator neither will it destroy your generator set in any ways. It will help you to plug your iron and other heating elements in the output of your generating plant without damage to your generator coil e.g: Ironing of clothes, water heater, electric kettle, microwave, electric cooker/Hot plate, toaster, and blender...READ AND DOWNLOAD
[2223]. DESIGN AND FABRICATION OF A PNEUMATIC PIPE BENDING MACHINE: In line with the growth in the recent technologies, there is large opportunity present in the piping sector. As the part of the piping industry the demand of the customer being changes day by day. The manual pipe bending machines are not able to fulfill the raising demands of the market in quality, quantity as well as cost prospective. Particularly in this machine, we have used the compressed air to perform the bending operation. This makes the machine or the process much more ...READ AND DOWNLOAD
[2224]. DESIGN AND FABRICATION OF A SEMI AUTONOMOUS UNMANNED GROUND VEHICLE FOR SPACE EXPLORATION AND MILITARY SURVEILLANCE: Nowadays with major advancements in the field of vehicle automation, several dangerous and crucial counter terrorist operations are being handled by sophisticated machines which are not only more efficient but are also responsible for saving several human lives such vehicle is “unmanned ground vehicle”. An Unmanned Ground Vehicle (UGV) is a vehicle operating in contact with the ground, carrying equipment or materials and supplies, without human presence on board. ...READ AND DOWNLOAD
[2225]. DESIGN AND SIMULATION OF A FIRE ALARM SYSTEM USING MQ SENSOR: his 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 detemect 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- ...READ AND DOWNLOAD
[2226]. DESIGN AND CONSTRUCTION OF AN ELECTRIC OVEN: This paper presents the design, construction and testing of an electric oven. A critical analysis of the design was also carried out. The oven consisted of the oven chamber, racks, a heating element, a variable thermostat and a suitable lagging material. The oven was constructed using locally available materials and technology. It was ...READ AND DOWNLOAD
[2227]. DESIGN AND CONSTRUCTION OF AN ELECTRONICS LETTER BOX: This work is on design and construction of an electronic letter box .This project is developed for the users to find out whether any letter is inside the letter box and also to display the number of letters inside the letter box. An IR Transmitter and Receiver are connected at the opening of the letter box. In normal operation, the rays transmitted from the transmitter falls on the receiver. When anyone puts letter inside the letter box, the letter hides the rays and thereby the receives no signal at the particular instance. Thus it senses that there is a letter inside. The I.C connected with ...READ AND DOWNLOAD
[2228]. DESIGN AND CONSTRUCTION OF A HOME SECURITY SYSTEM: 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
[2229]. DESIGN AND CONSTRUCTION OF LASER SECURITY SYSTEM USING ARDUINO: This project is also an implementation of modern technology. We have designed and developed an arduino based laser security system, using alarm and SMS based security. The LASER (Light Amplification by stimulated emission of radiation) security is the initial and major security and GSM is the secondary security we have implemented. Here a particular place or area will be laser secured. If the laser is interrupted by any reason then alarm will turn on and GSM will confirm you by sending a SMS that, security is interrupted. Here we have used a photo sensor to detect the laser ...READ AND DOWNLOAD
[2230]. THE WORKING PRINCIPLE OF A METALLIC DOOR KNOB ALARM SYSTEM: This work is on the working principle of a metallic door knob alarm system. The objective of this project is to discuss a device with an electrical transducer that alerts the user when somebody is at the door touches the metallic door knob. Unlike a traditional doorbell, this doorbell plays an alarm when somebody at the door touches the door knob. It also illuminates an LED to alert the user. The complete circuit is powered with battery that gets the system activated automatically when someone touches the metallic door knob and it blows an alarm...READ AND DOWNLOAD
[2231]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED FIRE ALARM: This project is titled design and construction of a microcontroller based fire alarm system. Fire alarm detects 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 ...READ AND DOWNLOAD
[2232]. DESIGN AND CONSTRUCTION OF A MOTION ACTIVATED SECURITY LIGHT CONTROL SYSTEM: A motion activated security light control system detects moving objects, particularly human being. A motion activated security light control system is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. This device forms a vital component of automated lighting control. Its use is to illuminate an area when a person walks by so that he or she can see well. Many people place motion detectors in their backyards or even in their houses so that when they walk through that area, the lights will automatically turn on. ...READ AND DOWNLOAD
[2233]. RELIABILITY PREDICTIONS IN EARLY DESIGN STAGE USING EXPERT OPINION BASED METHOD: In the past, reliability is usually quantified with sufficient information available. This is not only time-consuming and cost-expensive, but also too late for occurred failures and losses. For solving this problem, the objective of this dissertation is to predict product reliability in early design stages with limited information. The current research of early reliability prediction is far from mature. Inspired by methodologies for the detail design stage, this research uses statistics-based and physics-based methodologies by providing general models with quantitative results, which could help design for ...READ AND DOWNLOAD
[2234]. REMOTE CONTROL DEVICE INDUCTION MOTOR WITH BIDIRECTIONAL ROTATION: The project is designed to drive an induction motor for the required application in forward and reverse directions using wireless technology. For an example, an exhaust fan can be used in both the directions to fresh air in and throw hot air out. This can be used in case of conventional exhaust a fan that rotates in one direction only. This proposed system demonstrates a technology to rotate a squril cage induction motor in both clockwise and counter clockwise direction. It also has the provision to control the direction of the motor using a TV remote. When a TV remote button is ...READ AND DOWNLOAD
[2235]. RENEWABLE ENERGY – A VARIABLE ALTERNATIVE MEANS TO STABLE ELECTRICITY IN NIGERIA: Years from now, with the estimated growth in world population and economic activities, fossil fuels which currently generate more than half of the world’s energy needs would not be able to keep up with this pace because it is a non-renewable source of energy, in other words exhaustible. Nigeria today is witnessing perhaps the worst power generation and distribution crisis in many years. To redress this situation, experts in the field of green energy have since lent their views in support of pursuing renewable energy in delivering power and as well as powering even the remotest ...READ AND DOWNLOAD
[2236]. DESIGN AND CONSTRUCTION OF A SOLAR PANEL TRACKING SYSTEM: Electricity is one of the basic needs of life. Emission of harmful gases during the process of electricity generation leads to greenhouse affects. However, by employing photovoltaic (PV) panels, electricity can be generated without creating air, noise and water pollution caused by the emission of harmful gases. Geographically, Nigeria is located in a region of the world where solar irradiance is approximately 2000 KWh/m2. In recent decades, grid-connected PV power plants have been implemented worldwide to fulfill the power requirements. Usually, these power plants ...READ AND DOWNLOAD
[2237]. DESIGN AND CONSTRUCTION OF A SPEED CHECKER: This work is on a device to detect rash driving on highways and to alert the traffic authorities in case of any violation. In past, lot of devices to detect rash driving on highways has been made. Most of the approaches require human concentration and involve a lot of effort, which is difficult to implement. In this paper we intend to design a system aimed at early detection and alert of dangerous vehicle driving patterns related to rash driving. The speed limit is set by the police who use the system depending upon the traffic at the very location. The time taken by the vehicle to travel from one set point to the other is calculated by control circuit and displays that on seven segment displays. Moreover, if the vehicle crosses the speed limit, a buzzer sounds alerting the police...READ AND DOWNLOAD
[2238]. THE DESIGN AND CONSTRUCTION OF AUTOMATIC FENCE LIGHT CONTROLLER: This project work is titled automatic fence light controller. The project, construction of automatic fence light controller was designed to trigger a relay to operate an AC lamp at Sunset. The lamp remains on till morning and then turns off. This eliminates the need of switching the fence lamp daily and also helps to light the premises of the house when the occupants are out of station.The system makes use of light sensor to operate. The light sensor used is the ORP12 photocell. In bright light the resistance of the ORP12 can be ...READ AND DOWNLOAD
[2239]. THE WORKING PRINCIPLE OF A METALLIC DOOR KNOB ALARM SYSTEM: This work is on the working principle of a metallic door knob alarm system. The objective of this project is to discuss a device with an electrical transducer that alerts the user when somebody is at the door touches the metallic door knob. Unlike a traditional doorbell, this doorbell plays an alarm when somebody at the door touches the door knob. It also illuminates an LED to alert the user. The complete circuit is powered with battery that gets the system activated automatically when someone touches the metallic door knob and it blows an alarm. ...READ AND DOWNLOAD
[2240]. DESIGN AND CONSTRUCTION OF A TIME BASED AUTOMATIC SWITCH FOR 3.8KW GENERATOR: A time based automatic switch is an automatic timer switch that turns an appliance for the desired time duration. After the preset time duration, the timer automatically switches off, disconnecting the appliance from the power supply. The aim of this work is to build a time based automatic switch for a 3.8kva generator. The time duration for which the generator should be ‘on’ can be set from 1 to 99 minutes [1]...READ AND DOWNLOAD
[2241]. DESIGN AND CONSTRUCTION OF A TIME PROGRAMMED SUN TRACKING SOLAR PANEL: Solar energy is one of the well-known sources of renewable energy. You will find many recent researches conducted with an objective to enhance the efficiency of solar panels (also known as Photo Voltaic systems). One of the ways to attain this objective is solar tracking system. Our project also suggests the same solution but it deals with the solar tracking system which is RTC based. Solar tracking system has always proved to be an effective way to generate more energy because it helps the solar panel remain exactly in front of the solar rays. The concept behind these...READ AND DOWNLOAD
[2242]. 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. The digital counter circuit was designed using BCD 4506 binary counters and 7-segment display outputs. The circuit was modeled using proteus, which showed that the concept used in the design was okay. The circuit was then implemented ...READ AND DOWNLOAD
[2243].DESIGN AND CONSTRUCTION OF A WATER SYSTEM STORAGE CONTROL DEVICE: This project is titled the design and construction of a water system storage control device. It is designed to indicate the level of water in storage or over-head tank. Water system storage control device is widely used in many industries and houses. In this work, LEDs are used to display the level of water in the tank. If the water level is full, then the circuit beeps through the buzzer notifying that the water level is full. ...READ AND DOWNLOAD
[2244]. DESIGN AND CONSTRUCTION OF A 3.5KVA 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, PHCN. 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 230v, 50Hz AC. It makes no noise during operation and no hazardous carbon monoxide is generated in the surrounding...READ AND DOWNLOAD
[2245]. DESIGN AND CONSTRUCTION OF A 500VA PHOTO VOLTAIC SYSTEM: This work is on design and construction of a 500VA photo voltaic system. Photovoltaic is also called 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. In photo voltaic system, Solar panels produce direct electricity with the help of electrons that are moving from .....READ AND DOWNLOAD
[2246]. CLOUD-BASED ACCESS CONTROL: Access control system is a system that manages access through the authorization or revocation of rights to physical or logical assets within an organization or a practice of restricting entrance to a property, building, or room to authorized persons. Cloud based security services are migrating from dedicated hardware solutions to cloud-based security services using Software as a Service (SAAS) model. Cloud based security door allows you to control your entire device from anywhere, review events, share access or remotely configure security. ...READ AND DOWNLOAD
[2247]. COMPUTER–BASED TEST SYSTEM WITH FINGERPRINT AUTHENTICATION: As flexible and online learning mediated by ICT becomes more pervasive, there is a growing need for educators to consider modes of assessment using similar tools. Computer Based Test (CBT) is an effective solution for mass education evaluation. Though, a variety of e-assessment approaches and systems have been developed in recent times, yet lack of flexible timing functionality to automatically log-off candidates upon expiration of allotted time, result integrity comprise, stand-alone deployment, lack of flexibility, robustness and scalability as well as human error are...READ AND DOWNLOAD
[2248]. DESIGN AND CONSTRUCTION OF A 3.5 KVA SOLAR INVERTER: This work is on design and construction of a 3.5KVA 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. In solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the ...READ AND DOWNLOAD
[2249]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED FAN SPEED CONTROLLER ACCORDING TO ROOM TEMPERATURE: The study is aimed at controlling the speed of the fan automatically mounted on a condenser using Arduino and temperature sensor. Fan speed needs to be manually controlled every time but by using this idea the speed of the fan will be automatically adjusted...READ AND DOWNLOAD
[2250]. 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. Depending up on the weather condition, organizers of the above places are supposed to be control each and every fan, otherwise lot of energy will be wasted. Controlling each and every fan manually is highly impossible; there by this project work is taken up, which controls the fan automatically depending upon the ...READ AND DOWNLOAD
[2251]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED WEATHER STATION: The measurements of temperature, atmospheric pressure, relative humidity and dew point temperature remotely by using the sensors is not only important in weather monitoring but also crucial for many other applications like agricultural and industrial processes. A device for real time weather monitoring is presented in this paper to monitor the real time temperature, atmospheric pressure, relative humidity and dew point temperature of the atmosphere via GSM network, using analogue and digital components. The analogue outputs of the sensors are ...READ AND DOWNLOAD
[2252]. DESIGN AND CONSTRUCTION OF A DIGITAL CHANGEOVER SWITCH WITH GENERATOR SHUTDOWN FEACTURES: The Changeover Switch is a device used to switch off a power supply and subsequently switch on another power supply. Basically it is aimed at switching on a more convenient power supply to the load. The aim of this work is to build a digital Changeover Switch that switches OFF the generator and automatically changes over to mains grid when mains grid power is restored. A digital Changeover Switch will automatically switch ...READ AND DOWNLOAD
[2253]. DESIGN AND CONSTRUCTION OF A FLEET TRACKING SYSTEM USING GPS-GSM: Fleet tracking and locking system installed in the fleet or ship, to track the place and locking engine ignition when there is burglar occurrence. The place of the ship identified using Global Positioning system (GPS) and Global system mobile communication (GSM). These systems constantly watch a moving fleet or ship and report the status on demand. When the theft identified, the responsible person send SMS to the microcontroller, ...READ AND DOWNLOAD
[2254]. DESIGN AND CONSTRUCTION OF A GAS LEAKAGE MONITORING SYSTEM: This paper presents the design and implementation of SMS based Industrial/Homes Gas Leakage Monitoring and Detection Alarm System. Gas leakage is a major concern at homes, offices, industries etc. Many homes and industries had fallen victims of inferno due to unknown Gas leakage at a hidden point. This is dangerous and requires high security to avoid life and property being destroyed. One of the preventive measures to avoid the danger associated with gas leakage is to install a gas leakage detector at vulnerable locations, hence SMS-based is proposed. The system is...READ AND DOWNLOAD
[2255]. DESIGN AND CONSTRUCTION OF AN INTERNET OF A THING BASED BURGLAR DETECTION SYSTEM: This work describes how to implement an IOT notification system. A notification is a way we can send alarms or other kinds of information to users but in this work we are implementing home security system. IoT refers to the infrastructure of connected physical devices which is growing at a rapid rate as huge number of devices and objects are getting associated to the Internet. Home security is a very useful application of IoT and we are using it to create an inexpensive security system for homes as well as industrial use. The system will inform the owner about any unauthorized ...READ AND DOWNLOAD
[2256]. INVESTIGATION OF TRAFFIC CAPACITY FOR A ROUNDABOUT: In heterogeneous traffic conditions, roundabout capacity is described by vehicle and driver characteristics which are different from traffic conditions in homogeneous conditions. In the present study, the capacity of the roundabout is determined using various capacity formulas such as gap acceptance models given by Highway Capacity Manual, German model (2001); empirical regression models given by TRRL and weaving models given by IRC: 65–1976 . In addition, microscopic simulation model like VISSIM (PTV Germany) is also used to derive capacity values. Unlike ...READ AND DOWNLOAD
[2257]. DESIGN AND CONSTRUCTION OF A SMART WEATHER MONITORING SYSTEM AND REAL TIME ALERT SYSTEM USING IOT: The system proposed is an advanced solution for weather monitoring that uses IoT to make its real time data easily accessible over a very wide range. The system deals with monitoring weather and climate changes like temperature, humidity, wind speed, moisture, light intensity, UV radiation and even carbon monoxide levels in the air; using multiple sensors. These sensors send the data to the web page and the sensor data is plotted as graphical statistics. The data uploaded to the web page can easily be accessible from anywhere in the world. The data gathered in these web pages ...READ AND DOWNLOAD
[2258]. DESIGN AND CONSTRUCTION OF A VEHICLE TRACKING SYSTEM USING GPS-GSM: Vehicle tracking and locking system installed in the Vehicle, to track the place and locking engine ignition when there is burglar occurrence. The place of the Vehicle identified using Global Positioning system (GPS) and Global system mobile communication (GSM). These systems constantly watch a moving Vehicle and report the status on demand...READ AND DOWNLOAD
[2259]. DESIGN AND CONSTRUCTION OF A 0-24V VARIABLE REGULATED POWER SUPPLY: This project work is on design of a variable regulated power supply. This work describes you how to design a variable regulated power supply circuit. The main advantage of this power supply circuit is that it can vary the output voltage and output current. A variable regulated power supply supplies different level of electric energy to an electrical load. The primary function of a variable power supply is to supply variable output voltage and output current which can be used to power devices...READ AND DOWNLOAD
[2260]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED WINDING MACHINE: In this project “microcontroller based automatic coil winding machine" main objective is to bring out a machine which can implement the idea of automation in Transformer winding or any type of coil windings. The proposed system controls the speed of a winding machine in order to obtain the optimum stop point in terms of security and fast production. The system is based on a microcontroller and an extremely simple hardware. The system has been tested for two years and results evince a very good mean time between failures...READ AND DOWNLOAD
[2261]. DESIGN AND CONSTRUCTION OF AN FM RECEIVER: Radio receiver design includes the electronic design of different components of a radio receiver which processes the radio frequency signal from an antenna in order to produce usable information such as audio. This project only concentrates on fm receiver design. The complexity of a modern receiver and the possible range of circuitry and methods employed are more generally covered in electronics and communications engineering. The term fm receiver is understood in this project to mean any device which is intended to receive a radio signal in order to generate useful information from the signal. This F.M. receiver is designed using single IC used to receive frequency range of 88 MHz to 108 MHz in F.M. band, it is built around IC TEA5591...READ AND DOWNLOAD
[2262]. DESIGN AND CONSTRUCTION OF AN FM TRANSMITTER: An FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves.FM transmitter is basically a VHF colipits oscillator capable of transmitting sound or music to any standard FM receiver. The circuit works on a D.C source which makes it for a pure rectification. FM transmitter also has a capacitor microphone which picks up very weak sound signals.The FM ...READ AND DOWNLOAD
[2263]. DESIGN AND CONSTRUCTION OF A VARIABLE POWER SUPPLY: This project work is on design of a variable regulated power supply. This work describes you how to design a variable regulated power supply circuit. The main advantage of this power supply circuit is that it can vary the output voltage and output current. A variable power supply is an electronic device that supplies different level of electric energy to an electrical load. The primary function of a variable power supply is to supply different electrical energy to loads that fall at the same rating limit. ...READ AND DOWNLOAD
[2264]. ASSEMBLING OF A COMPUTER SYSTEM: This project work is assembling of computer system. Computer system generally refers to a set of electronics hardware components assembled together for the purpose of performing some basic operation with much regard to speed and accuracy. A lot of people may want to see a computer system as a machine which specializes in taking information from the outside world, process the information according to some pre determined set of instructions and give out the processed information in a given from according to the predetermined instructions. The computer ...READ AND DOWNLOAD
[2265]. DESIGN AND CONSTRUCTION OF A CLAP ACTIVATED SWITCH USING 555 TIMER: Sensitive Clap activated switch is an electronics device that can switch on & off a light, Fan, Radio or any other appliance by the sound of clap. This is the system of a very sensitive clap switch. It switches ON/OFF a White LED or electrical appliances through claps. The circuit can sense the sound of claps from a distance of 1-2 meters. Condenser Mic picks up sound vibrations caused by the clap. The main component of this clap switch circuit is the Electric Condenser Mic, which has been used as a sound sensor. Condenser Mic basically converts sound energy into ...READ AND DOWNLOAD
[2266]. CLOUD-BASED ACCESS CONTROL: Access control system is a system that manages access through the authorization or revocation of rights to physical or logical assets within an organization or a practice of restricting entrance to a property, building, or room to authorized persons. Cloud based security services are migrating from dedicated hardware solutions to cloud-based security services using Software as a Service (SAAS) model.Cloud based security door allows ...READ AND DOWNLOAD
[2267]. DESIGN AND CONSTRUCTION OF A 1.5KVA 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 230v, 50Hz AC. It makes no noise during operation and no hazardous carbon monoxide is generated in the surrounding. This is a ...READ AND DOWNLOAD
[2268]. DESIGN AND CONSTRUCTION OF A 3.5 KVA SOLAR INVERTER: This work is on design and construction of a 3.5KVA 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. In solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the ...READ AND DOWNLOAD
[2269]. DESIGN AND CONSTRUCTION OF A BEEPER: This project presents the designing and construction of a beeper. A beeper is a portable device that makes a beeping noise, usually to tell you to phone someone or to remind you to do something. His beeper sounded and he picked up the telephone. Beepers are also used to as a security device to detect when abnormal thing happened.This work is aimed at designing a circuit that will generate a beeping sound that can be used for security device or a reminder...READ AND DOWNLOAD
[2270]. DESIGN AND CONSTRUCTION OF AN ELECTRICAL STREET LIGHTING: This project is on design and construction of a street lighting using conventional power supply. As the name implies, 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
[2271]. DESIGN AND CONSTRUCTION OF A COMPUTER POWER BANK: Computer Power Bank is 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 laptop via the laptop charger. This device composed of four-cell 12,000 mAh lithium-ion battery, a DC-to-AC inverter, and a and standard 220-volt Nigeria wall plug on the front. ...READ AND DOWNLOAD
[2272]. DESIGN AND CONSTRUCTION OF A WATER LEVEL CONTROL SYSTEM USING ULTRASONIC SENSOR: Majority of earth’s surface is covered with water but less than 5% is useful. So water conserving has become a major issue so certain water management steps are to be ...READ AND DOWNLOAD
[2273]. DESIGN AND CONSTRUCTION OF A RAIN DETECTOR (ALARM): Due to the rate of damages that occur to our industrials and homes possessions during rainfall. This rain alarm will give you an alarm indication the instant it starts to rain, hopefully giving you time to close windows and bring in possessions in our homes and to keep so many of our industrial machines in a proper place...READ AND DOWNLOAD
[2274]. E-LEARNING ENVIRONMENT USING MOODLE: E-learning is an emerging field as a promising instructional medium as well as a ripe arena in which to conduct research on its impact on teaching and learning activities. The fundamental nature of e-learning as an instructional medium differs substantially from face-to-face delivery, thereby requiring more new features for course development, online assessment and interaction. Moodle is a software package for producing internet-based courses and websites. It is a Learning Management System (LMS) that allows better cooperation among learners, tutors and students. In ...READ AND DOWNLOAD
[2275].DESIGN AND CONSTRUCTION OF A RAIN DETECTOR (ALARM):Due to the rate of damages that occur to our industrials and homes possessions during rainfall. This rain alarm will give you an alarm indication the instant it starts to rain, hopefully giving you time to close windows and bring in possessions in our homes and to keep so many of our industrial machines in a proper place. The alarm has also the ability to indicate when it stops raining, by that time the alarm will stop.This project was designed to indicate when it is raining and also to indicate when the rain has stop. Apart from these two applications, there are other applications that this alarm has which would be mentioned in this work. ...READ AND DOWNLOAD
[2276]. DESIGN AND CONSTRUCTION OF A PUBLIC ADDRESS SYSTEM (PA SYSTEM) WITH A.C AND BATTERY POWER SOURCE: This work is titled design and construction of a public address system with ac and battery power source. A public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to address a large public, for example for announcements of movements at large and noisy air and rail terminals.Public addressing system is often used in small venues such as school auditoriums, churches, and small bars. PA systems with many speakers are widely used to make announcements in public, ...READ AND DOWNLOAD
[2277]. 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. Hence, there is need for development of a ...READ AND DOWNLOAD
[2278]. DESIGN AND CONSTRUCTION OF A DIGITAL REAL TIME CLOCK: Digital clock is a type of clock that displays the time digitally (i.e. in numerals), as opposed to an analog clock, where the time is indicated by the positions of rotating hands. Digital clocks are often associated with electronic drives, but the "digital" description refers only to the display, not to the drive mechanism.The aim of this work is to design a digital real time clock which is also known as computer clock. Digital real time clock counts hours, minutes, seconds, months, days and even years. RTCs can be found running in personal computers, embedded systems and servers...READ AND DOWNLOAD
[2279]. DESIGN AND CONSTRUCTION OF A 4KVA SOLAR PANEL INVERTER: This work is on design and construction of a 4KVA solar panel inverter. Solar panel inverter converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In solar panel inverter, Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the ...READ AND DOWNLOAD
[2280]. DESIGN AND CONSTRUCTION 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 design, the power circuit and the power supply design. The digital logic design is based on integrated circuit which happens ...READ AND DOWNLOAD
[2281]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC STREET LIGHT CONTROLLER: 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. Automatic street light controller will automatically turn on street 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
[2282]. DESIGN AND SIMULATION OF AN AUTOMATIC STREET LIGHT CONTROLLER: Automatic Street Light Control System is a simple yet powerful concept, which uses transistor as a switch. By using this system manual works are 100% removed. It automatically switches ON lights when the sunlight goes below the visible region of our eyes. This is done by a sensor called Light Dependent Resistor (LDR) which senses the light actually like our eyes. It automatically switches OFF lights whenever the sunlight comes, visible to our eyes. By using this system energy consumption is also reduced because nowadays the manually operated street lights are not ...READ AND DOWNLOAD
[2283]. DESIGN, FABRICATION AND TESTING OF A 2KVA MOBILE SOLAR INVERTER: This work is on design and construction of a 2KVA mobile solar inverter. Mobile Solar inverter is a portable power generating device that converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a critical component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. In mobile solar inverter, Solar panels produce direct electricity with the help of electrons that are moving from ...READ AND DOWNLOAD
[2284].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, the demultiplexer section and the display unit. The power supply unit is the section of the system that ensures that the system is turned ON and this section comprises of a 12- volt step-down transformer, a bridge ...READ AND DOWNLOAD
[2285]. ASSEMBLY AND TESTING OF 3.5KVA PETROL GENERATOR: An engine-generator or portable generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine-generator set or a gen-set. In many contexts, the engine is taken for granted and the combined unit is simply called a generator. The essence of this project work is to reveal the importance of assembly and testing of a 3.5kva petrol generator....READ AND DOWNLOAD
[2286]. DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM USING LIGHT DEPENDENT RESISTOR: 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- ...READ AND DOWNLOAD
[2287]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED NON – CONTACT DOOR BELL: The idea of informing the host about a visitor at the door started much before the electrical bell was invented until this modern world that bells based on smart technologies that made easy human life. The framework of ultrasonic doorbell systems with smart object detection and distance measuring using Arduino Rev.3 is an access system that automatically sense and indicate the presence of guests and rings the bell. An ultrasonic transducer that converts the Electrical power into ultrasonic sound waves and vice versa plays important role in generating and transmitting a high...READ AND DOWNLOAD
[2288]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC DOOR BELL WITH OBJECT DETECTION: Automatic Door Bell with Object Detection detects when a visitor comes to our house. When someone comes to our house and he searches for the doorbell switch and then rings it to let us know his presence. If the who came to our house cannot find...READ AND DOWNLOAD
[2289]. 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...READ AND DOWNLOAD
[2290]. DESIGN AND CONSTRUCTION OF A SHORT RANGE FM TRANSMITTER: A short range FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves and which it's transmissions can be picked up on any standard FM radio. It has a range of up to 100 meters or more, depending on the...READ AND DOWNLOAD
[2291]. ASSEMBLY AND TESTING OF 3.5KVA PETROL GENERATOR: An engine-generator or portable generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine-generator set or a gen-set. In many contexts, the engine is taken for granted and the combined unit is simply called a generator. The essence of this project work is to reveal the importance of assembly and testing of a 3.5kva petrol generator....READ AND DOWNLOAD
[2292]. DESIGN AND CONSTRUCTION OF A FIRE ALARM SYSTEM USING LIGHT DEPENDENT RESISTOR: 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- ...READ AND DOWNLOAD
[2293]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED NON – CONTACT DOOR BELL: The idea of informing the host about a visitor at the door started much before the electrical bell was invented until this modern world that bells based on smart technologies that made easy human life. The framework of ultrasonic doorbell systems with smart object detection and distance measuring using Arduino Rev.3 is an access system that automatically sense and indicate the presence of guests and rings the bell. An ultrasonic transducer that converts the Electrical power into ultrasonic sound waves and vice versa plays important role in generating and transmitting a high ...READ AND DOWNLOAD
[2294].DESIGN AND CONSTRUCTION OF AN AUTOMATIC DOOR BELL WITH OBJECT DETECTION: Automatic Door Bell with Object Detection detects when a visitor comes to our house. When someone comes to our house and he searches for the doorbell switch and then rings it to let us know his presence. If the who came to our house cannot find the doorbell or else if the person is so short that he cannot reach the doorbell, what can be done? How will it be if we use an automatic doorbell which rings as soon as a person arrives at our place? There are no more hassles. The person who comes to our house need not search for the doorbell and press it any more. If we install ...READ AND DOWNLOAD
[2295]. 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 ...READ AND DOWNLOAD
[2296]. DESIGN AND CONSTRUCTION OF A SHORT RANGE FM TRANSMITTER: A short range FM transmitter is an electronic device which, with the aid of an antenna, produces radio waves and which it's transmissions can be picked up on any standard FM radio. It has a range of up to 100 meters or more, depending on the line-of-sight, obstructions by large buildings. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves. A short range FM transmitter is basically a VHF colipits oscillator capable of transmitting sound or music to any ...READ AND DOWNLOAD
[2297]. DESIGN AND CONSTRUCTION OF A DIGITAL FM TRANSMITTER: A digital FM transmitter with the aid of an antenna, LC circuit and microcontroller produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves. A digital FM transmitter is basically a VHF colipits oscillator capable of transmitting sound or music to any standard FM receiver. The circuit works on a D.C source which makes it for a pure rectification. FM transmitter also has a capacitor microphone which picks up very weak sound signals....READ AND DOWNLOAD
[2298]. DESIGN AND CONSTRUCTION OF A STREET LIGHTS THAT GLOW ON DETECTING VEHICLE MOVEMENT: Generally, street lights are switched ON for whole night and during the day, they are switched off. But during the night time, street lights are not necessary if there is no traffic. Saving of this energy is very important factor these days as energy resources are getting reduced day by day. Alternatives for natural resources are very less and our next generations may face lot of problems because of lack of these natural resources. This circuit switches the street lights on detecting vehicle movement and remains off after fixed time....READ AND DOWNLOAD
[2299]. DESIGN AND CONSTRUCTION OF AN ALCOHOL DETECTOR WITH AUTOMOBILE ENGINE CUT OFF DEVICE: The Nigerian government has been advising its citizens not to drink and drive for decades, but for the first time, it may be able to physically stop you from getting behind the wheel while hammered. The main purpose behind this project is “Drunk driving detection”. Now a days, many accidents are happening because of the alcohol consumption of the driver or the person who is driving the vehicle. Thus Drunk driving is a major reason of accidents in almost all countries all over the world. Alcohol Detector in Car project is designed for the safety of the people seating inside ...READ AND DOWNLOAD
[2300]. DESIGN AND CONSTRUCTION OF AN ALCOHOL SENSING ALERT - ENGINE LOCKING SYSTEM BY USING INTERNET OF THINGS (IoT) TECHNOLOGY: The microcontroller on encountering high alcohol signal from the alcohol sensor displays alcohol detection note on LCD screen and also stops the dc motor to demonstrate as engine locking. The system needs...READ AND DOWNLOAD
[2301]. DESIGN AND CONSTRUCTION OF AN ELECTRIC SHOCK GUN: Electric shock gun uses a temporary high-voltage low-current electrical discharge to override the body's muscle-triggering mechanisms. The recipient is immobilized via two metal probes connected via wires to the electroshock device. The recipient feels pain, and can be momentarily paralyzed while an electric current is being applied. Electric shock guns are devices that put out a non lethal, high voltage shock! Touching an attacker will immobilized him for several minutes. The advantage of an electric stun gun is that it is non lethal and does no permanent damage. In ...READ AND DOWNLOAD
[2302].DESIGN AND INSTALLATION OF 1000 WATT SOLAR POWER SYSTEM: The 1000W solar system was determined by load assessment, solar panel number determination, battery requirement and then inverter sizing. A complete solar panel rated at 1000w was however purchased, together with 2 no. 150A solar battery and also 10A charge controller. These were assembled together with necessary protective gadgets like cut out switches; to give the 1000W expected. The solar panel was mounted outside the building to allow for maximum collection of sun energy. It is expected that the system will help the department meet up with its office duties even when central power is not available....READ AND DOWNLOAD
[2303]. DESIGN AND CONSTRUCTION A 5KVA AUTOMATIC VOLTAGE STABILIZER: This work is on a 5kva Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage stabilizer control the output of the plant. This project is designed to stabilize an AC input voltage of 160-250V to give an AC output voltage of 220V at 50Hz automatically. The automatic feature can be achieved by the electronics devices used such voltage comparator ...READ AND DOWNLOAD
[2304]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATTERY CHARGER USING THYRISTOR (SCR): This project is titled design and construction of a battery charger using SCR. Automatic battery charger presented here is an acid battery charger that is designed to charge any acid battery using thyristor to supply the required current. This charger will charge any 12V lead acid battery including flooded, gel and...READ AND DOWNLOAD
[2305]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH BETWEEN MAINS SUPPLY AND SOLAR INVERTER:This work is on change over selector switch for automatic toggling OFF of a solar inverter when AC mains is present and vice versa and also the system must enable automatic switching of the battery charger such that when AC mains is present the inverter battery gets charged (during sunset) and when AC mains fails...READ AND DOWNLOAD
[2306]. 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 ...READ AND DOWNLOAD
[2307]. DESIGN AND CONSTRUCTION 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...READ AND DOWNLOAD
[2308]. DESIGN AND CONSTRUCTION OF A BLUETOOTH SPEAKER UNIT: Bluetooth stereo audio system—one that’s also fairly low-cost—for outdoor use. This device provide the easiest way to play music off your smartphone to a speaker...READ AND DOWNLOAD
[2309]. 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 ...READ AND DOWNLOAD
[2310]. DESIGN AND CONSTRUCTION OF A POWER RESUMPTION ALARM: Power supply and failure is a frequent experience that occurs in our mains. Power restoration is a period of time when the electricity supply to a particular building or area is restored, because of replacement or servicing damage to the...READ AND DOWNLOAD
[2311]. DESIGN AND CONSTRUCTION OF A WIRELESS MOBILE CHARGER USING INDUCTIVE COUPLING: As power requirements for portable devices increase, consumers are looking for easy-to-use charging solutions that can be deployed in a wide array of environments such as home, office...READ AND DOWNLOAD
[2312]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH: The Changeover Switch is a device used to switch off a power supply and subsequently switch on another power supply. An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA...READ AND DOWNLOAD
[2313]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC TRANSFER SWITCH (ATS): 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...READ AND DOWNLOAD
[2314] DESIGN AND CONSTRUCTION OF CURRENT BOOST POWER SUPPLY FROM 80-220V: This project involved the design of a high-voltage DC-DC booster capable of converting 80VDC into 220VDC. The design is based on a half bridge topology utilizing power MOSFET switches, a custom center-tapped transformer, and an...READ AND DOWNLOAD
[2315]. DESIGN AND CONSTRUCTION OF MONTHLY ELECTRICITY BILLING DISPLAY SYSTEM: The project provides a system that allows for consumed electricity reading in units as well as the amount charged over it to the user. This system provides the electricity readings on an LCD screen and cost to the user. This lets the user know about his exact electricity units consumed and cost directly from his...READ AND DOWNLOAD
[2316]. DESIGN AND IMPLEMENTATION OF GSM BASED HOME AUTOMATION: This device is design to monitor and control electrical devices (Analog and Digital) remotely using GSM modem/phone. The GSM modem provides the communication mechanism between the user and the microcontroller system by means of SMS messages. User can control multiple electrical devices by sending suitably formatted SMS message to the microcontroller based control system. These SMS commands are interpreted by microcontroller system and are validated. If the SMS command received is valid then it takes the necessary action to control the said devices...READ AND DOWNLOAD
[2317]. DESIGN AND CONSTRUCTION OF A TELE-TRIGGER BASED HOME AUTOMATION: Basically the unit employs a very fundamental principle of converting the ringtone of a cell phone into a command output for operating a relay. This cell phone acts as a modem and is permanently attached with the internal control circuit of the unit. The modem cell phone is initially made ready by putting a SIM card inside....READ AND DOWNLOAD
[2318]. DESIGN AND CONTRUCTION OF AN AUTOMATIC PHASE SELECTOR FOR 3-PHASE POWER SUPPLY: This project work is on the design and construction of automatic phase selector for 3-phase power supply. It provides a means of switching from one phase of AC mains to another in the case of failure in the existing phase; This project has been improved on the existing types of electromechanical device that has being in use over the years. Hence this has been achieved by the use of operational...READ AND DOWNLOAD
[2319]. DESIGN AND CONSTRUCTION OF A BISTABLE MULTIVIBRATOR: The Bistable Multivibrators circuit is basically a SR flip-flop. This type of multivibrator circuit passes from one state to the other “only” when a suitable external trigger pulse T is applied and to go through a full “SET-RESET” cycle two triggering pulses are required. Bistable Multivibrators can produce a very short output pulse or a much longer...READ AND DOWNLOAD
[2320]. DESIGN AND CONSTRUCTION OF A WIRELESS MOBILE CHARGER USING INDUCTIVE COUPLING: As power requirements for portable devices increase, consumers are looking for easy-to-use charging solutions that can be deployed in a wide array of environments such as home, office, automobiles, airports, schools and more. Wireless charging uses an electromagnetic field to transfer ...READ AND DOWNLOAD
[2321]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC FRAGRANCE DISPENSER / AUTOMATIC DEODORANT DISPENSER: Air fresheners are consumer products that typically emit fragrance and are used in homes or commercial interiors such as restrooms, foyers, hallways, vestibules and other smaller indoor areas, as well as larger areas such as hotel lobbies, auto dealerships, medical facilities, public arenas ...READ AND DOWNLOAD
[2322]. DESIGN AND CONSTRUCTION OF AN RFID BASED DOOR LOCK SYSTEM: Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. These techniques are an integration of mechanical and electronic devices and highly intelligent. One of the prominent features of these innovative lock systems...READ AND DOWNLOAD
[2323]. DESIGN AND CONSTRUCTION OF A MONOSTABLE MULTIVIBRATOR: This work is on a monostable multivibrator. This is a type of multivibrator in which one of the states is stable, but the other state is unstable (transient). A trigger pulse causes the circuit to enter the unstable state. After entering the unstable state, the...READ AND DOWNLOAD
[2324]. DESIGN AND CONSTRUCTION OF A WIRELESS MOBILE CHARGER USING INDUCTIVE COUPLING: As power requirements for portable devices increase, consumers are looking for easy-to-use charging solutions that can be deployed in a wide array of environments such as home, office, automobiles, airports, schools and...READ AND DOWNLOAD
[2325].THE DESIGN AND CONSTRUCTION A 5KVA AUTOMATIC VOLTAGE STABILIZER: This work is on a 5kva Automatic Voltage Stabilizer. It is designed to meet up with the AC voltage safety, stability and accuracy demand in industries and in homes. Voltage stabilizers are useful in devices such as computer Power supplies, alternators and central power station generator plants, voltage ...READ AND DOWNLOAD
[2326]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC BATTERY CHARGER USING THYRISTOR (SCR): This project is titled design and construction of a battery charger using SCR. Automatic battery charger presented here is an acid battery charger that is designed to charge any acid battery using thyristor to supply the required current. This charger will charge any 12V lead acid battery including flooded...READ AND DOWNLOAD
[2327]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH BETWEEN MAINS SUPPLY AND SOLAR INVERTER: This work is on change over selector switch for automatic toggling OFF of a solar inverter when AC mains is present and vice versa and also the system must enable automatic switching of the battery charger such that when AC mains is present the inverter battery gets charged (during sunset) and when AC mains fails, the battery gets connected with the solar inverter for supplying AC to the load. The configuration should be such that everything takes place automatically and the appliances are never switched OFF, just reverted from solar inverter AC to Mains AC and vice versa during mains power failures and restorations. ...READ AND DOWNLOAD
[2328]. 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. The system turns on a generator when the public utility (PHCN) is off by cranking the ...READ AND DOWNLOAD
[2329]. DESIGN AND CONSTRUCTION OF A 9V REGULATED POWER SUPPLY: A 9v regulated power supply is an electronic device that supplies regulated 9v electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another. A 9v regulated Power supply takes in AC power from the mains supply and ...READ AND DOWNLOAD
[2330]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED HOME SECURITY SYSTEM: The main objective of this project was to ensure a proper security to building. This device functions as a major security device used in residential, commercial, industrial, and military properties for protection against burglary (theft), fire and and gas leakage...READ AND DOWNLOAD
[2331]. DESIGN AND CONTRUCTION OF A MICROCONTROLLER BASED DC MOTOR SPEED AND DIRECTION CONTROLLER: 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 ...READ AND DOWNLOAD
[2332]. DESIGN AND CONSTRUCTION OF A FOUR – WAY TRAFFIC LIGHT CONTROL WITH EMERGENCY CONSIDERATION: Traffic congestion problem is a phenomena which contributed huge impact to the transportation system in country. This causes many problems especially when there are emergency cases at traffic light intersections which are always busy with many vehicles. A traffic light controller system is designed in order to solve these problems...READ AND DOWNLOAD
[2333]. DESIGN AND CONSTRUCTION OF A GAS DETECTION SYSTEM: 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...read more and download full material
[2334]. CONSTRUCTION OF A WELDING MACHINE 220V/250A: This project is titled the designing and construction of an electric A.C arc welding machine. Electric Arc Welding Machine of 220 Volts and output voltage of 32volts. A core type step-down transformer and choke are essential as the voltage or the arc is 32v....READ AND DOWNLOAD
[2335]. DESIGN AND CONSTRUCTION OF A 3KVA 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
[2336]. DESIGN AND CONSTRUCTION OF A 5kva DC TO AC POWER INVERTER USING 24VOLT DC AND 8 RECHARGEABLE BATTERY: This project is on design and construction of a 5KVA inverter with input battery 24V to Output 220Vac 50Hz.A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC)....READ AND DOWNLOAD
[2337]. DESIGN AND CONSTRUCTION OF A 500W 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
[2338]. DESIGN AND CONSTRUCTION OF A DIGITAL CLOCK: Digital clock project is developed for the users to use a digital clock. The main parts of this project are set switch, astable unit and LCD display. This Project Digital clock using 555 timer is an advanced digital calendar, which displays the time using LCD or seven segment display. This device display time in seconds, minutes and hours. The system has an inverter which is used to power the system....READ AND DOWNLOAD
[2339]. DESIGN AND CONSTRUCTION OF A RECHARGEABLE LANTERN: Since the invention of electricity by Michael faraday, Man has been so used to electricity that he cannot do without it. The absence of electricity causes a lot of sadness in our daily lives. Due to this reason I decided to work on a by rechargeable lamp as my project. Researchable lamp is a source of light that is generated from a D.C sources of supply. This D.C sources is a battery that can also be charged when its current and voltage is used....READ AND DOWNLOAD
[2334]. DESIGN AND CONSTRUCTION OF A TRANSISTOR BASED SECURITY 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 being installed in and gets activated when the owner of the building is leaving the building by moving the switch to the “set” position. When the system is in this “set” position, if intruder open and enters the building the alarm will start to blow after 20 seconds indicating that unauthorized has entered the building....READ AND DOWNLOAD
[2335]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC EMERGENCY LIGHTING SYSTEM: An emergency light is a lighting device that switches on automatically when a building experiences a power outage. Emergency lights are used in 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 3v NiCad battery that is being charged by the main power line when there is no blackout....READ AND DOWNLOAD
[2336]. 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. Automatic street light controller will automatically turn on street light in the way of LEDs or bulb coupled with relay....READ AND DOWNLOAD
[2337]. DESIGN AND IMPLEMENTATION OF VOICE RECOGNITION SYSTEM: This project attempted to design and implement a voice recognition system that would identify different users based on previously stored voice samples. Each user inputs audio samples with a keyword of his or her choice. This input was gathered but successful processing to extract meaningful spectral coefficients was not achieved....READ AND DOWNLOAD
[2338]. DEVELOPMENT OF DUAL VOLTAGE SUPPLY ELECTRIC MOPPING MACHINE: An electric mopping machine is a robotic device capable of cleaning or washing the floor of a room or area without any human effort other than just starting the unit. The machine is mainly built on a rectangular piece of board. It uses a rotating sponge underneath the unit to clean a floor as it passes over it. DC motor is used to change the direction of wheels which connected at the middle of the platform....READ AND DOWNLOAD
[2339]. DEVELOPMENT OF MICROCONTROLLER BASED IDENTIFICATION CARD FEATURES IDENTIFIER: A microcontroller based identification card features identifier is also known as a digital or smart card reader is designed and developed for human management. The smart card reader uses an 8-bit microcontroller for high performance and supports contact interfaces. We developed smart card identifier for efficient verification of the smart card. Further the attendance analysis of organization employees has been carried out through serial communication by interfacing the terminal with personal computer...READ AND DOWNLOAD
[2340]. LOSSES IN A GAS TURBINE: Gas turbines, like other prime movers, experience wear and tear over time, resulting in decreases in available power and efficiency which is known as losses. These loss events were then categorized based on the nature of the associated loss scenario. The study subsequently focused on the variables that could be monitored in real time to detect the abnormal turbine operating conditions, such as vibration characteristics, temperature, pressure, quality of working fluids, and material degradations...READ AND DOWNLOAD
[2341]. DESIGN AND CONSTRUCTION OF A REMOTE CONTROL BASED HOME AUTOMATION SYSTEM: This device is design to monitor and control electrical devices (Analog and Digital) remotely using TV remote control. The infrared sensor provides the communication mechanism between the user and the system. This system also continuously monitors the status of devices connected to it....READ AND DOWNLOAD
[2342]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED CAPACITANCE METER: Capacitors are one of the most common passive electrical components that are extensively used in all kinds of electronic circuits...read more and download full material
[2343]. CONSTRUCTION OF MICROCONTROLLER BASE WATER LEVEL INDICATOR WITH AUTOMATIC PUMP CONTROLLER: This project presents the concept of a control system into an automatic water pump controller. One of the motivations for this project is the need to bring a solution to the problem of water shortage in various places eliminating the major culprit, waste...read more and download full material
[2344]. DESIGN AND CONSTRUCTION OF A DIGITAL SOIL MOISTURE SENSOR: This work is on a digital soil moisture sensor. Soil moisture sensors measure the volumetric water content in soil. Since the direct gravimetric measurement...read more and download full material
[2345]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC LOAD CONTROLLER AND SHARING SYSTEM: Electricity demands in hospitals and other public places are characterized by their need for high quality, guaranteed supplies. The existence of captive electricity uses and the size and regularity of the electrical and heat loads required by hospitals are aspects that could well buttress the possibility of installing cogeneration plants fired by natural gas (CHP)...READ AND DOWNLOAD
[2346]. CONSTRUCTION OF 555 TIMERS AND 741 IC TESTER: Integrated circuits (ICs) are the main component of each and every electronic circuit can be used for wide variety of purposes and functions. But sometime due to faulty ICs the circuit doesn’t work...READ AND DOWNLOAD
[2347]. CCTV CAMERA BATTERY PACK: Battery pack includes a main body having a circuit board and parallel batteries arranged therein. Battery pack is a set of any number of (preferably) identical batteries or individual battery cells. Battery pack parallel arrangement is designed to have higher level of ampere per hour....READ AND DOWNLOAD
[2348]. DESIGN AND CONSTRUCTION OF A COIN INSERTION MOBILE PHONE CHARGER: This is the smart coin based mobile charging system that charges your mobile for particular amount of time on inserting a coin. The system is to be used by shop owners, public places like railway stations to provide mobile charging facility. So the system consists of a coin recognition module that recognizes valid coins and then signals the microcontroller for further action...READ AND DOWNLOAD
[2349]. 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....READ AND DOWNLOAD
[2350]. DESIGN AND CONSTRUCTION OF A MICRO CONTROLLER BASED STARTER FOR SINGLE PHASE INDUCTION MOTOR WITH DELAY: It is well understood that induction motors draw higher currents during their starting operations than is the case under full load running conditions. Since the early days of induction motor availability, starting methods other than Direct-on-Line have been used, and in...read more and download full material
[2351]. ELECTRONIC MOSQUITO REPELLENT: This work is titled design and construction of an electronic mosquito repellent circuit. Mosquito repellents like coils, mats, liquid vaporizers, creams are often used at various places. However they are prone to be fatal and can cause harm to human beings. For instance, mosquito repellent creams and oils can cause adverse affects on the skin like allergic reactions....READ AND DOWNLOAD
[2352]. THE USE OF CCTV CAMERA POWER PACK, CONNECTORS AND TOOLS: The implementation and use of video surveillance (Closed Circuit Television technology) in societies across the globe has stimulated major debate on a handful of topics. This report aims to highlight the uses of CCTV camera power pack, connectors and tools. The report will provide the reader with a variety of uses of the CCTV camera power pack, connectors and tools. ...READ AND DOWNLOAD
[2353]. DESIGN AND CONSTRUCTION OF A 555 TIMER AND 4026 IC 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....READ AND DOWNLOAD
[2354]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH USING CONTACTOR: The Changeover Switch is a device used to switch off a power supply and subsequently switch on another power supply An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA....READ AND DOWNLOAD
[2355]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTOMATIC BATTERY CHARGER: A battery charger is an electrical device employed for charging batteries. These batteries that are usually charged by battery charger are storage batteries also known as “accumulator” the battery charger changes...READ AND DOWNLOAD
[2356]. DESIGN AND CONSTRUCTION OF A STRESS METER: This work is on stress meter. This stress monitor lets you assess your emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep...READ AND DOWNLOAD
[2357]. DESIGN AND CONSTRUCTION OF A VOLTAGE MONITORING SYSTEM WITH HIGH AND LOW ALARM:The power line fluctuations and cut-offs causes damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge and air conditioners...READ AND DOWNLOAD
[2358]. DESIGN AND CONSTRUCTION OF AN UNDER AND OVER VOLTAGE PROTECTION SYSTEM USING COMPARATOS:The power line fluctuations and cut-offs causes damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge and air conditioners...READ AND DOWNLOAD
[2359]. DESIGN OF AN IRRIGATION SYSTEM FOR AGRICULTURAL PURPOSES IN OFF GRID AREAS: The objective of this paper was to study the irrigation system of Nigeria and to identify the most common irrigation methods used for safe, efficient and sustainable agricultural production in arid and semi-arid regions of the world....READ AND DOWNLOAD
[2360]. FABRICATION OF A 200W 24V MONOCRYSTALLINE SOLAR PANEL: This work is on fabrication of a 200W/24V monocrystalline solar panel. Monocrystalline solar panel 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....READ AND DOWNLOAD
[2361]. POWER TRANSFORMER PROTECTION USING ARDIUNO-UNO: In this paper, present a “Arduino based power transformer protection” main attention is to reduced or overcome the fault occurred in the transformer. To prevent the transformer from the fault due to the over- currents, temperature rise in transformers oil and over voltage we used relay and sensor....READ AND DOWNLOAD
[2362]. DESIGN AND CONSTRUCTION OF A SOLAR MOBILE CHARGER: This project is titled the design and construction of a solar mobile charger. It is designed to meet up with the higher demand of power supply needed to keep our cell phone battery charged....READ AND DOWNLOAD
[2363]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER: This Project ―”Automatic Room Light Controller with Bidirectional Visitor Counter” is a reliable circuit that takes over the task of controlling the room lights as well us counting number of persons / visitors in the room very accurately....READ AND DOWNLOAD
[2364]. DESIGN AND CONSTRUCTION OF AN FM CONTROL ELECTRICAL APPLIANCES:This device is design to monitor and control electrical devices remotely using fm transmitter circuit. The transmitter circuit provides the communication mechanism between the user and the system by means of RF signal...READ AND DOWNLOAD
[2365]. DESIGN AND CONSTRUCTION OF AUTOMATIC OVER AND UNDER VOLTAGE PROTECTION SYSTEM FOR HOUSEHOLD USING MICROCONTROLLER ( ARDUINO UNO): This paper presents a new design for over/under voltage (OV/UV) protection scheme using Arduino microcontroller. The protection scheme is designed to protect the solid-state transformer (SST) branch of a Future Renewable Electric Energy Delivery and Management (FREEDM) system....READ AND DOWNLOAD
[2366]. DESIGN AND CONSTRUCTION OF A DOT MATRIX INFORMATION DISPLAY SYSTEM: This work is on design, construction and working of a Dot Matrix Information Display. The project covered a fairly comprehensive study of a Dot Matrix Information Display. Digital instruments, signals, and related numbers and codes were discussed....READ AND DOWNLOAD
[2367]. HUMAN PRESENCE AUTOMATED ELECTRIC BULB SWITCH WITH PROXIMITY SENSOR: An automatic electric light switching system with proximity sensor 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....READ AND DOWNLOAD
[2368]. DESIGN AND CONSTRUCTION A POLICE SIREN USING 555 TIMERS: A police siren is a loud electronics device that produces sound similar to police siren. Siren is used to get other road users or drivers on the road out of their way. This project is on police siren sound that sound effects like the siren of an ambulance or police car which features low-pitched tones alternately....READ AND DOWNLOAD
[2369]. DESIGN AND CONSTRUCTION OF A 100 WATTS 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, for example for announcements of movements at large and noisy air and rail terminals....READ AND DOWNLOAD
[2370]. DESIGN AND CONSTRUCTION OF A MICROCONTROLLER BASED AUTOMATIC PHASE FAILURE CONTROLLER FOR 3-PHASE POWER SUPPLY: This project work is on the design and construction of automatic phase failure controller 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 using PIC16F88 as the heart of the project; This project has been improved on the existing types of electromechanical device that has being in use over the years....READ AND DOWNLOAD
[2371]. DESIGN AND CONSTRUCTION OF A PARABOLIC SOLAR COOKER: The use of renewable energy, particularly solar energy, is increasing day by day to promote its contribution to national economy. Solar energy can be used in heating, drying, cooking and also for generating electricity. In this paper the design, construction and performance test of a parabolic dish solar (PDS) cooker is discussed...READ AND DOWNLOAD
[2372]. DESIGN AND CONSTRUCTION OF A SOLAR COOKER: Solar cooker refers to the renewable energy system that collects energy from the sun in the form of heat rather than using the sun’s energy to produce electricity, as is the case with solar photovoltaics. Solar cooker systems can be used to provide space heating and water heating to be used in residential, commercial, or industrial facilities....READ AND DOWNLOAD
[2373]. DESIGN AND CONSTRUCTION OF A TRANSISTOR BASED DARK ACTIVATED STREET LIGHT: This project work is on the construction of dark activated street lighting system. Which aimed at activating a switch or AC street light at sunset and deactivate it at sunrise. This Dark activated street light can trigger a relay to operate an AC street light at Sunset....READ AND DOWNLOAD
[2374]. DESIGN AND CONSTRUCTION OF AN ASTABLE MULTIVIBRATOR USING TRANSISTORS: 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....READ AND DOWNLOAD
[2375]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC THREE PHASE POWER CHANGEOVER CONTROL SYSTEM: In this research, a “3-Phase Automatic Power Change Over switch” has been designed and implemented using three voltage Comparators (LM741 AH1883), 3-input-AND gate (4073), two BC 108 transistors and 12V, 30mA relay as well as some biasing resistors....READ AND DOWNLOAD
[2376]. DESIGN AND CONSTRUCTION OF A TRANSISTOR BASED DARK ACTIVATED STREET LIGHT: This project work is on the construction of dark activated street lighting system. Which aimed at activating a switch or AC street light at sunset and deactivate it at sunrise.This Dark activated street light can trigger a relay to operate an AC street light at Sunset....READ AND DOWNLOAD
[2377]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC THREE PHASE POWER CHANGEOVER WITH SURGE PROTECTOR: 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....READ AND DOWNLOAD
[2378]. DESIGN AND CONSTRUCTION OF AN INVERTER BASED SOLAR COOKER: Solar cooker refers to the renewable energy system that collects energy from the sun in the form of heat rather than using the sun’s energy to produce electricity, as is the case with solar photovoltaics. Solar cooker systems can be used to provide space heating and water heating to be used in residential, commercial, or industrial facilities....READ AND DOWNLOAD
[2379]. DESIGN AND CONSTRUCTION OF TEMPERATURE CONTROL AUTOMATIC SWITCH: This project is titled design and construction of a temperature control automatic switch. It is designed to control electric appliances such as electric kettle, oven, incubator, or lamp through the variation of temperature range (0°C -100°C) which must be set by the user or operator. And this can be achieved by the use of temperature sensor known as THERMISTOR....READ AND DOWNLOAD
[2380]. DESIGN AND CONSTRUCTION OF EXCLUSIVE SINE WAVE GENERATOR: This work is on a Sine wave generator which is an electronic equipment that provides standard test signals of sinewave. It is also called an oscillator, since it produces periodic signals. This work describes the operational amplifier (op-amp) sine-wave oscillator, together with the criteria for oscillation to occur using RC components....READ AND DOWNLOAD
[2381]. GENERATING ELECTRICITY FROM WALKING STEPS AN SOLAR JACKET/CAP: But power generation conventional resources are now not enough for total demand of electrical energy. Therefore many researchers and engineers are working on non conventional ways of electrical power generation. This work is on generation of electricity using piezoelectric sensor and solar energy....READ AND DOWNLOAD
[2382]. GSM BASED SMART HOME SYSTEM WITH INTRUSION DETECTION SYSTEM TEMPERATURE AND GAS SENSORS AND REMOTE APPLIANCE CONTROL: Due to increasing robbery and intrusion, establishing home-security system has become a correlated part of the modern houses, buildings, and offices. As the family members are not at home all the time, the traditional home security system, which makes alarm sound only, may not be efficient enough...READ AND DOWNLOAD
[2383]. SIMULATION AND IMPLEMENTATION OF AN ANDROID INTEGRATED WIRELESS SENSOR NETWORK SYSTEM FOR MONITORING A POULTRY CONDITION: The flexibility of new age wireless networks and the variety of sensors to measure a high number of variables, lead to new scenarios where anything can be monitored by small electronic devices, thereby implementing Wireless Sensor Networks (WSN)...READ AND DOWNLOAD
[2384]. THE DESIGN AND CONSTRUCTION OF ELECTRONIC BELL WITH INDICATING LIGHT: A electronic bell is a signaling device typically placed near an entry door to a building. When a visitor presses a button the bell rings inside the building, alerting the occupant to the presence of the visitor. Modern house bells are electric — they are actuated by an electric switch...READ AND DOWNLOAD
[2385]. USING RENEWABLE ENERGY AS A STANDBY POWER SUPPLY TO POWER WELL TESTING EQUIPMENT: Years from now, with the estimated growth in world population and economic activities, fossil fuels which currently generate more than half of the world’s energy needs would not be able to keep up with this pace because it is a non-renewable source of energy, in other words exhaustible...READ AND DOWNLOAD
[2386]. DESIGN AND CONSTRUCTION OF A FINGER PRINT DOOR LOCK USING ARDUINO UNO BOARD: Authentication plays a very critical role in security-related applications like e-commerce. There are a number of methods and techniques for accomplishing this key process...read more and download full material
[2387]. DESIGN AND CONSTRUCTION OF A CLAP ACTIVATED SWITCH USING 555 TIMER: Sensitive Clap activated switch is an electronics device that can switch on & off a light, Fan, Radio or any other appliance by the sound of clap. This is the system of a very sensitive clap switch. It switches ON/OFF a White LED or electrical appliances through claps. The circuit can sense the sound of claps from a distance of 1-2 meters...READ AND DOWNLOAD
[2388]. DESIGN AND CONSTRUCTION OF A MOBILE PHONE CALL INDICATOR: This work is titled design and construction of a Mobile phone call indicator. Mobile phone call indicator is a device that flashes an LED when it detects an incoming call...READ AND DOWNLOAD
[2389]. DESIGN AND CONSTRUCTION OF A MOTOR CONTROL PANEL TRAINER USING CONTACTORS: This work is on a motor control panel using contactors. This trainer provides a good grounding in mastering control technology using various types of electrical contactor circuits. The trainer features modular components are mounted on to a rack system to facilitate the setting up of various types and configurations of circuits...READ AND DOWNLOAD
[2390]. DESIGN AND CONSTRUCTION OF A SMART BLIND WALKING STICK USING ARDUINO: Generally, blind people use a traditional cane for moving from one place to other. Although, white cane is the international symbol of blindness, it could not help them to detect place and to avoid obstacles. In this paper, we represent a model of walking stick for blind people. It consists of Arduino, IR sensor and buzzer...READ AND DOWNLOAD
[2391]. DESIGN AND CONSTRUCTION OF A SOLAR POWER BANK: Solar Power Bank comprises of a Solar Photovoltaic Modules, Solar Power Conditioning Unit (special circuit to control power flow), battery Bank. They allow one to store electrical energy (deposit it in the bank by Solar Photovoltaic cell). Solar Photovoltaic cell which produces electricity only from solar panels and meets the load requirement and then later use it to charge up a mobile device...READ AND DOWNLOAD
[2392]. DESIGN AND CONSTRUCTION OF AN ACTIVE MOBILE PHONE SIGNAL DETECTOR: 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 to prevent 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...READ AND DOWNLOAD
[2393]. DESIGN AND CONSTRUCTION OF AN ARDUINO BASED AUTOMATIC TRANSFER SWITCH FOR THREE PHASE SUPPLY: The need to protect electrical appliances from electrical power fluctuation cannot be over emphasized. Most homes and office complexes where single-phase supply is needed are supplied with two or three phases of power supply to allow change from one phase to another when there is fluctuation or complete outage of power supply on a particular phase. This action is done manually and results in electric shock and damages...READ AND DOWNLOAD
[2394]. SIMULATION AND DEVELOPMENT OF AN ANDROID APP FOR AN INTEGRATED WSN MONITORING POULTRY: Development in the technology of sensor such as Micro Electro Mechanical Systems (MEMS), wireless communications, embedded systems, distributed processing and wireless sensor applications have contributed a large transformation in Wireless Sensor Network (WSN) recently. It assists and improves work performance both in the field of industry and our daily life....READ AND DOWNLOAD
[2395]. DESIGN AND CONSTRUCTION OF A 555 TIMER AND 4026 IC 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....READ AND DOWNLOAD
[2396]. DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGEOVER SWITCH USING CONTACTOR: The Changeover Switch is a device used to switch off a power supply and subsequently switch on another power supply An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA....READ AND DOWNLOAD
[2397]. DESIGN AND CONSTRUCTION OF A 12 VOLTS AUTOMATIC BATTERY CHARGER: A battery charger is an electrical device employed for charging batteries. These batteries that are usually charged by battery charger are storage batteries also known as “accumulator” the battery charger changes....READ AND DOWNLOAD
[2398]. DESIGN AND CONSTRUCTION OF A STRESS METER: This work is on stress meter. This stress monitor lets you assess your emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep....READ AND DOWNLOAD
[2399]. DESIGN AND CONSTRUCTION OF A VOLTAGE MONITORING SYSTEM WITH HIGH AND LOW ALARM: The power line fluctuations and cut-offs causes damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge and air conditioners...READ AND DOWNLOAD
[2400]. DESIGN AND CONSTRUCTION OF AN UNDER AND OVER VOLTAGE PROTECTION SYSTEM USING COMPARATOS: The power line fluctuations and cut-offs causes damages to electrical appliances connected to the line. It is more serious in the case of domestic appliances like fridge and air conditioners...READ AND DOWNLOAD
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