electronic dog whistle

just found this on google

make,( as

------------- An astable LM555 and any tiny tweeter, they use that for those dumb "pest scarers" or whatever, grab one of those and tune it with a counter-divider on it so you can hear it too. 30kHz is close! ;->

-Steve

Whatever you do, don't punish the dogs for having stupid masters. Tape record the dogs, then when the owners are supposed to be sleeping and the dogs are quiet, play the tape through a 1000W PA.

Or just mow the lawn at 3 AM or so.

Or maybe go talk to them?

Cheers! Rich

Here's the one I made a year or so ago.

But, as per my subsequent posts, I was disappointed in its performance. I should have used inductor to step up output to resonance voltage. Still intend to incorporate that change some day.

Meanwhile I bought a commercial 'Dazer' unit.

I've still not used it in self defense, but as you see from

Hi , Dose anyone know of a circuit for a annoying electronic dog whistle I could make. I am surrounded by 12 dogs with in 4 houses of my place. These dogs bark constantly day and night, and I thought it was about time for me to annoy them, preferably by some electronic device I could make,( as I am learning electronics I thought it would be a worthwhile project.)

Did a bit of googling but haven't found much yet.

Thanks Shane.

do you find this makes the dogs quiet or even more rowdy?

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Call the police...period!. If you playback dogs barking yourself, and one of the neighbours calls the police on you, then you will be the one with the hefty ticket instead. If you annoy the dogs electronically, they will simply bark MORE.

Kim

whistle

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project.)