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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.
@parasquid
They did, but I was powering off the breakout via the other vin pins as that would suit the design better (off to the side rather than at the top so it's lower profile) and I ran out of the female connector, which then set off the accident :D
Thanks for the link, I might be able to get a bunch via digikey or the local element14 :) If they really do break first on reverse polarity, that could be a cheap extra way to protect the more important and expensive portions of the circuit! :)