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Thread: shock box

  1. #1
    Join Date
    Feb 2005
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    shock box

    There was a thread here a while back about practical jokes and someone said they made a box out of duct metal that simply had a switch on the top of it . It was a spring loaded switch and when you flipped the switch it had a capacitor in there that was charged by a 9 volt battery. Does any one remember this thread. It had a picture that showed roughly how to make it. It was quite a while back. I can't seem to find it. Does anyone have plans for such a thing? My boys are at the practical joking age. Thought this would be a good one to get them with.

  2. #2
    Join Date
    Jul 2000
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    My cousin made one years ago that....

    Your best circuit will be an oscillator and transformer.
    Here is one version.

  3. #3
    Join Date
    Nov 2012
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    That one is an old standby isn't it? As long as the voltage isn't too high it is a good way to pass the day and have fun.

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