It's time to test it:

  • Gather your Circuit Playground Express boards (you'll want at least 3),
  • Flash the fireflies code on each of them
  • Find a dark place
  • Turn them on and wait.

At first, you will hear sounds triggering at various moments but they will start to group up. When all board will sync, you should not hear any sound anymore...

This guide was first published on Oct 11, 2017. It was last updated on Oct 11, 2017.

This page (Testing) was last updated on Oct 11, 2017.

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