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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.
@Gordon
Not sure I understand the question?
While
analogReadonly outputs values 0-1, it's actually reading full-range 0-3.3v, so 0v->0 and 3.3v->1 - so you should be able to connect it direct?