Modder "awalol" has spent the past several weeks developing firmware that, when installed on a 2-inch-long Raspberry Pi ...
It was actually fully usable for my needs ...
The Ploopy Bean is a 3D-printed, open-source hardware pointing stick mouse that runs QMK open-source firmware on a Raspberry Pi RP2040 microcontroller to control four Omron D2LS-21 buttons and a ...