MOSQUITO REPELLANT by IC 555, 4017, 4011

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  Posted by admin - August 29, 2007 at 10:31 pm

This is Circuit MOSQUITO REPELLANT.
By High Frequency Sound.

Circuit MOSQUITO REPELLANT by 555, 4017, 4011

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:
pcb MOSQUITO REPELLANT  by 555, 4017, 4011

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