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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.
@JackBennett
I've got a 4AA battery pack, with the 2100mAH NiMH 1.2V cells that's 4.8v. Is that too much for the JST connector on the back? I'm thinking with it being less than a USB port voltage(5v) it should be ok.
Otherwise I'll make a 3 battery pack for 3.6v.