open-source

Bus Pirate

Talk to I2C, SPI and UART devices from a terminal. A useful bench tool with a more demanding layout.

Remix this board → View source on GitHub ↗

License: CC BY-SA 4.0
Source revision: v3.6a
Last mirror: Sep 10, 2026
Git commit: f72dd29315f9

About Bus Pirate

Talk to I2C, SPI and UART devices from a terminal. A useful bench tool with a more demanding layout. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Development & tools · two copper layers
Open source (CC BY-SA 4.0) · Ian Lesnet / Dangerous Prototypes; SparkFun Electronics
Mirrored at f72dd29315f9

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/bus-pirate/f72dd29315f981bdb2202d67e157903043b255da/6efbddd4a92e71d5 on the artifact CDN and are not checked into git.