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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.
@DrAzzy
aaaand I had everything working (with serial4, of course). And then I send another command to nixie tubes...
POP
uh, yeah. Burned trace right next to the MCU. No idea what happened or why. Wasn't touched or anything, and was 100% working just minutes earlier.