DESIGN AND CONSTRUCTION OF ULTRASONIC PEST REPELLER
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Date
2010-11-01
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Publisher
Nuhu Bamalli Polytechnic Zaria
Abstract
This project work of ultrasonic repeller as i mentioned earlier is a circuit developed in order to use it for protection against pest. The circuit is audio frequency oscillator, which is designed using two transistor and a 555 timer IC as the acting components. The current flowing through the different branches of the circuit role determine using the different resistor in the circuit.