gvy_dvpont, 1 month ago

Bought a cheap little USB touchscreen and learned the only(?) option for drivers on Mac costs $150 PER MACHINE. Made a little USB converter with a $1 microcontroller (RP2040) that remaps the touchscreen output to standard mouse/keyboard events understood by any computer.

🧵

7" cpacitive touchscreen showing my spotify home page. I start, stop, and skip the music, and click through multiple pages. The camera pans and I show an Adafruit RP2040 Feather USB Host board plugged in via USB.