MOSQUITO REPELLANT by IC 555, 4017, 4011
This is Circuit MOSQUITO REPELLANT.
By High Frequency Sound.
Use a electronics part ,easy to find and low cost.
To See Circuit, have IC 555, 4017, 4011 and BC337,BC327.
Output Piezo Speaker.
Volt suppy +12V.
Easy to build see PCB:
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