clap switch


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Thread: clap switch

  1. #1
    Join Date
    Jun 2006
    Posts
    20

    Default clap switch

    need help want to turn on a light with the clap of the hand well versed in pic 16f84a20p

    the problem is the minute voltage (50mv) from the the mic driver circuit is there a way to use this voltage to input threw a pic pin to turn on another





    thanks to any smarter minds than mine
    andrew

  2. #2
    Join Date
    Jul 2003
    Posts
    2,358


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    Default

    Solution 1. Use an amplifier to increase the signal level to something that the PIC Input will trigger on.

    Solution 2. Pick a PIC with internal Comparators (easiest) or ADC (a little more tricky) which can then work with signal levels down in the range you have got.

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