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Sound Board

This is a simple audio board for playing and generating sound with the Arduino.


With a piece of wire at the analog input you can make a simple theremin:


  • 2 elko 1µF
  • 2 capacitors 100nF
  • resistors: 2x 1kOhm, 2x 9.1kOhm
  • stereo jack socket 3.5mm