DESIGN AND CONSTRUCTION OF MOBILE BUG  

2009-11-16
There are many situations in which cell phone / mobile phone usage presents certain challenges This report presents the design and construction details of a system that detects activated cell ...

DESIGN AND CONSTRUCTION OF MELODY MUSIC GENERATION USING CMOS M3481 INTEGRATED CIRCUIT  

2009-11-16
This is project the design and construction of melody music generation using CMOS M3481 IC with a power source.

DESIGN AND CONSTRUCTION OF PHOTO METER  

2009-11-16
The construction of photo meter, it work base on the principle Photometer is use to measure the intensity of light, by using light energy in the (L.D.R). Light dependent resistor, ...

DESIGN AND CONSTRUCTION TESTING OF DARK ACTIVATED DETECTOR  

2009-11-16
High wattage appliance like irons, oven and heater result in unnecessary power loss if left "ON" for hours unnoticed.

CONSTRUCTION OF SUBSTRUCTURE OF MODEL SHOPS AT NUHU BAMALI POLYTECHNIC ZARIA (A PRACTICAL REPORT OF THE PROJECT)  

2009-11-17
This project is on the construction of substructure of model shops at Nuhu Bamalli Polytechnic Zaria

DESIGN AND CONSTRUCTION OF ONE TRANSISTOR AM RADIO RECEIVER  

2009-11-20
This write up contain the design analysis, and the construction procedure of one transistor signal radio receiver.

DESIGN AND CONSTRUCTION OF SIMPLE AUDIO AMPLIFIER  

2009-11-20
This project is concerned with the design and construction of an Audio Amplifier, generally ratio frequency amplifier are employed in as receiver to improve signal to noise ratio.

DESIGN AND CONSTRUCTION 250V DC/AC INVERTER  

2009-11-21
This project gives details of the design and construction of a modern 250W dc to ac inverter. The system consists of the main inverter stage and the step up transformer. ...

DESIGN AND CONSTRUCTION OF OVER AND UNDER VOLTAGE PROTECTOR FOR ELECTRICAL APPLIANCES  

2009-11-21
This paper contains details of the design and construction of an under voltage protector for a single load. The system basically protects the load against surge which may affect it. ...

DESIGN AND CONSTRUCTION OF SECURITY DOOR INDICATOR/ALARM CIRCUIT  

2009-11-21
This project is designed and constructed in such a way that, when someone touches the door Handle from outside, the circuit emits and/or illuminates LED (Light Emitting Diode). The alarm ...