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help with circuit

Discussion in 'General Electronics Discussion' started by electronic drummer, Nov 10, 2013.

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  1. electronic drummer

    electronic drummer

    Nov 10, 2013
    hello , i'm new here and i'm planning to make a electronic drum ... i saw amoung the web this little circuit and i want to know if this would work well ,,,

    the intention is connect a piezo signal to a digital microcontroller but i don't know if this will work ... can somebody help me ?


    Attached Files:

  2. Laplace


    Apr 4, 2010
    What is R2 connected to? And for what purpose?

    What does the piezo trigger waveform look like?
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