Arduino Inventor’s Guide CIRC-06 (Piezo Element)

A piezo element clicks every time it is pulsed with current. This 6th circuit is designed to pulse a piezo at the right frequency to make the Arduino play to the tune of “Twinkle Twinkle Little Star”.

CIRC-06

Arduino CIRC-06

Kit:

  • 1 x Arduino Duemilanove
  • 1 x Breadboard
  • 1 x Piezo Element
  • 4 x Wire

Additional Resources:

This was extremely easy to put together.  I was surprised with how accurate the song sounded when the program ran.  Writing music for the piezo is not as easy as constructing this circuit, however.  I gave up after about an hour of attempting to rewrite the program to play another song.

Author: Aaron Ferguson

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