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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.
@qucchia
Thanks, that works! At least, when the Bangle's lying flat. Now I'd like to still get the right angle whatever way the watch is oriented. I'm supposing I could use the accelerometer to find out where down is, and use that to rotate the magnetometers' vector... I don't know if I'm even making sense.