CONSTRUCTION OF PUBLIC ADDRESS SYSTEM AUDIO AMPLIFIER  

2006-10-13
The public address system is constructed using STK 436 integrated current IC which is a hybrid audio power amplifier. The public address system has two output channels with low per ...

DESIGN AND CONSTRUCTION OF AUDIO AMPLIFIER  

2006-10-25
This study titled "Design and Construction of an Audio Amplifier" is to expose students to the need for improvisation using simple locally sourced material with little amount of money from ...

THE DESIGN AND CONSTRUCTION OF A RIPE AND METAL DETECTOR  

2006-10-25
A metal locator is an electronic system used in detecting metal objects. It works on the principle of beat frequency oscillator (BFO) between two oscillators whose output are mixed together, ...

DESIGN AND CONSTRUCTION OF TOUCH SENSITIVE BURGLARY ALARM  

2006-10-25
An alarm is simply a system, which operates a warning device e.g. Buzzer after the occurrence of an abnormal or dangerous condition e.g. theft or rubbers. This project explains the ...

DESIGN AND CONSTRUCTION OF A TV REMOTE CONTROL BLOCKER  

2006-10-25
A TV remote blocker capable of blocking any TV remote was constructed using few components. The two IR (Info ed) diodes emitter signals when they receive pulses· from the 555 ...

DESIGN AND CONSTRUCTION OF AN ALKALINE BATTERY CHARGER  

2006-10-25
This project is basically on the design and construction of an alkaline battery charger the circuit entails sub-units which are capable of re-charging for (4) discharged batteries at the same ...

DESIGN AND CONSTRUCTION OF A 12-VOLT UNIVERSAL BATTERY CHARGER  

2006-10-25
This project is aimed at making an impact towards technological advancement which serves as a basis for any meaningful development of the nation. The main objective of this project is ...

DESIGN AND CONSTRUCTION OF AN AUTOMATIC WHISTLE RESPONDER  

2006-10-25
This project is on the design and construction of an automatic whistle responder.

THE DESIGN AND CONSTRUCTION OF DIGITAL OPERATED CEILING FAN REGULATOR  

2006-10-30
A digital ceiling fan regulator is a switching device, consisting of a multiple output transformer and multiple output transformer and multiple pole switches. Its function is to control or regulate ...

DESIGN AND CONSTRUCTION OF RUNNING MESSAGE DISPLAY  

2006-10-30
The running message display is an electronic display that uses LED technology to produce visible light. LED stands for light emitting diode, which is a device that uses semiconductor technology ...