The OpenPuck project lets you use a Bluetooth Microcontroller and mimic the functionality of Valve's #SteamController puck:
steamdeckhq.com/diy-steam-contโฆ
Make Your Own Steam Controller Puck with OpenPuck - SDHQ
The OpenPuck project lets you use a Bluetooth Microcontroller and mimic the functionality of Valve's Steam Controller puck.Oliver Stogden (Steam Deck HQ)