Do you have any electrical level converter?
Well spotted. If you were putting 12v straight into the Pico, that might explain why your PC behaved really strangely.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Well spotted. If you were putting 12v straight into the Pico, that might explain why your PC behaved really strangely.