An insect repellent or a mosquito repellent is a simple electronic circuit that repels small insects such as mosquito & flies on the principle that insects can be repelled by exposing them to sound frequencies in the ultrasonic region (above 20KHz). Insect repellent circuits are cheap & easy to design. So, in today’s tutorial, we will go over a step by step procedure on how to build an insect repellent circuit using NE555 timer IC.
Useful Steps
1) First of all, solder the 8 – pin IC base on the PCB board.
2) After that, place the 555 timer IC in the 8 – pin IC socket.
3) Solder the 10K pot pot on the PCB board.
4) Solder the 1KOhm resistor on the PCB board.
5) After that, solder the 0.01uF capacitor on the PCB board.
6) Solder the 5V buzzer on the PCB board.
7) After that, solder the input terminal block connectors on the PCB board.
8) Power up and test the circuit using a 9V Battery.
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