open-source

Circuit Playground Express

A self-contained teaching board combines touch inputs, motion and light sensing, sound, infrared and a ring of RGB LEDs.

Remix this board → View source on GitHub ↗

License: CC BY-SA 3.0
Source revision: SAMD21 Express design · pinned source
Last mirror: Sep 10, 2026
Git commit: 2962c0cb972e

About Circuit Playground Express

A self-contained teaching board combines touch inputs, motion and light sensing, sound, infrared and a ring of RGB LEDs. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Controls & displays · two copper layers
Open source (CC BY-SA 3.0) · Limor Fried / Adafruit Industries
Mirrored at 2962c0cb972e

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/circuit-playground-express/2962c0cb972e031d070303bbeda3ed95a2098951/e5ef3cc0a8ce1463 on the artifact CDN and are not checked into git.