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Re: [Electronics_101] Q about ultra sonic pest repellers

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  • Leon Heller
    ... 60 years ago I remember seeing adverts for garden guns , shotguns that used similar cartridges, for killing vermin. Leon -- Leon Heller G1HSM
    Message 1 of 44 , Aug 1, 2011
      On 01/08/2011 22:42, Randy wrote:
      > FYI they make what is called "ratshot" for .22's. It's like a tiny
      > shotgun shell, for rats, thus the name.
      > It comes out of the barrel with a very W-I-D-E pattern. Friends of mine
      > in a mobile home in a very rural area used them *inside* their home,
      > didn't mess things up very much.

      60 years ago I remember seeing adverts for "garden guns", shotguns that
      used similar cartridges, for killing vermin.

      Leon
      --
      Leon Heller
      G1HSM
    • orvillefpike
      Rug rats.
      Message 44 of 44 , Dec 4, 2011
        Rug rats.

        --- In Electronics_101@yahoogroups.com, Ross McKenzie <valusoft@...> wrote:
        >
        > On 4/12/2011 7:47 AM, orvillefpike wrote:
        > > You can hook up an ultra-sound transducer to a 555 and vary the frequency to see if there is a particular frequency that annoys the mouse.
        > > That's how I did it, with my nephews and nieces,
        > ... your nephews and nieces are mice?
        >
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