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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
Ok, great. I'm not quite sure what you mean by the M value? Acceleration magnitude?
You can check in the code but the calculations to get that from x,y,z are done in the Bangle and are super simple. We should really be doing the same stuff in the test harness