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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
So it turns out I had TX and RX backwards for purposes of Espruino Pico. They're marked right and all, but it won't work if you put it in a breadboard since TX will be matched with TX :-/ (this will be fixed). I always do that....