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A better rat trap

Discussion in 'General Electronics Discussion' started by poor mystic, Jun 25, 2011.

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  1. poor mystic

    poor mystic

    Apr 8, 2011
    Hi people :)

    The rat trap I got in the shop lacks sensitivity, and I think an electronic sensor/electromagnetic release could be much better. I suppose a thermistor-op amp-transistor combination could operate an electromagnet to trigger the spring release.
    Surely, somebody has tried this already. Does anybody here have a tried design?
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