open-source

Si4713 stereo FM transmitter with RDS

Send line-level stereo audio and station text to an FM receiver under microcontroller control.

Remix this board → View source on GitHub ↗

License: CC BY-SA 3.0
Source revision: Rev A
Last mirror: Sep 10, 2026
Git commit: bf85d5c1095a

Si4713 stereo FM transmitter with RDS board

About Si4713 stereo FM transmitter with RDS

Send line-level stereo audio and station text to an FM receiver under microcontroller control. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Audio & music · two copper layers
Open source (CC BY-SA 3.0) · Original design by Limor Fried / Adafruit Industries; retain attribution and share-alike terms.
Mirrored at bf85d5c1095a

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/si4713-fm-transmitter/bf85d5c1095aa6d66b95976e2d420d83f4e86d0f/92cb8fb4dd0d4111 on the artifact CDN and are not checked into git.