open-source

CharlieWing LED matrix

A 105-LED matrix with an IS31FL3731 driver provides individual brightness control and animation over I2C.

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License: CC BY-SA 3.0
Source revision: Rev A · source snapshot 2019-05-21
Last mirror: Sep 10, 2026
Git commit: b4883693227a

About CharlieWing LED matrix

A 105-LED matrix with an IS31FL3731 driver provides individual brightness control and animation over I2C. 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 b4883693227a

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/charliewing/b4883693227a02cd6affefb6ecc7a748b8150883/398782b89ed7f0d5 on the artifact CDN and are not checked into git.