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i had one but need to find it out. need some time.
anyway, here is a simple program that use your pc speaker to generete sound to function as a mosquito repeller. you may try this software to verify the efficiency.
Here is a very simple mosquito repeller circuit, you have to adjust: P1 to adjust for a change the time of activation and P2 to adjust the oscillation frequency (14.5 - 15KHz)
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