Track Ball: Handwired Wired & Wireless Trackball
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A handwired PMW3389 trackball, wired (QMK, Vial) or wireless (ZMK), with a case for 1, 2 or 3 buttons.
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Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
A handwired trackball with a 38 mm billiard ball and a PMW3389 sensor, in two versions: wired on an RP2040-Zero running QMK with Vial, and wireless on a nice!nano running ZMK. The wired case comes with one, two or three buttons, the wireless one with three. It is my first handwired trackball, so it is not very ergonomic, but it is simple to build. If you build one, make the wired version: the wireless one is very tight inside and drains its battery quickly with this sensor.
I wrote up the whole build on my site: the parts list, the build log and how to use it: https://salavat.me/trackball/