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working dog reppelent circuitry needed

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rana naseem javed

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dog reppelent

hi

I NEED DOG REPPELENT CIRCUIT WHICH REALLY WORKS. CAN ANY BODY HELP ME.

RANA
 

Re: dog reppelent

You may refer these links with similar topic discussed. Cheers
 

dog reppelent

Hi rana naseem javed,
For dog repellent, what you need is an oscillator running at a frequency which is inaudible to human ears, ie greater than 25kHz.
An example:
48_1262968538.jpg
 

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