MNT Reform Optical Trackball

Designed as an optical trackball module for the MNT Reform and also usable in custom projects. It provides precise X/Y tracking of a POM ball, includes five buttons with Kailh Choc Brown switches, uses an RP2040 controller with open source firmware, presents itself as a USB HID mouse, and exposes USB signals on a 4-pin JST-PH connector. The cup is printed from recycled PLA.

Photos

Image: MNT ResearchSource

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