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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.
@user138058
@Gordon What kind of battery is in the Bangle.js 2? I read that that analog input is supposed to read 1/4 of the battery voltage, which means that a full battery is about 1.25V. That sounds about right for a NiMH battery. A lithium battery would be quite a bit higher (3.7V?)