Steam Controller Auto-Charge Uses CV and WebHID for Magnetic Docking
July 3, 2026
This open-source web app uses OpenCV.js and optical flow to guide a Steam Controller toward a magnetic puck via an overhead camera. It utilizes WebHID to trigger 70Hz asymmetric haptic pulses for navigation and monitors battery voltage via Report ID 67.
HOW THIS AFFECTS YOU
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builderYou can leverage WebHID and OpenCV.js to implement hardware-software closed-loop control in browser-based applications.