Solar panels and piezoelectric discs

  1. I'm making a circuit using piezoelectric discs and i wanted to attach solar panels in parallel as well in order to increase amperes of the circuit. However, when put in conjunction the piezoelectric discs seem to have no effect on the circuit, when previously they had been contributing 5 or more volts. What is happening to the piezoelectric discs, why are they not working?
     
  2. jcsd
  3. OmCheeto

    OmCheeto 2,144
    Gold Member
    2014 Award

    Perhaps you weren't tapping on the discs fast enough.

    TURN DOWN VOLUME!

    https://www.youtube.com/watch?v=Xuw9frP1GNo
     
  4. NascentOxygen

    Staff: Mentor

    In general, you can't simply connect different sources in parallel and expect them to work together. The solar panels are probably a heavy load on the high-impedance piezo, shorting them out.
     
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