Post #2014839
2026-04-23 20:50 UTC
This is just copper pads hooked up directly to gpio, and PIO state machines reading tiny changes in capacitance... without any "real" analog circuitry.
(Credit to Matthias Wendel, I stole his pico-femtofarad code and made it into a 3D gesture sensing thing.)
https://github.com/Matthias-Wandel/Pico-femtofarad
Replies (1)
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@ArchiteuthisFlux@leds.social 2026-04-23 20:52
This was my super janky setup just to check if it would work at all