Wiring this circuit is much easier than CIRC05:

  1. Connect your GND and 5V rails.
  2. Connect one side of the piezo to GND
  3. Connect the other side of the piezo to the Metro's Digital Pin 9

Breadboard Layout Sheet

This guide was first published on Aug 18, 2017. It was last updated on Aug 18, 2017. This page (Wiring) was last updated on Mar 20, 2020.