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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.
@girardcarillo
The the subject of this thread drifted a bit away, because of me, sorry for that.
But coming back on the original topic, actually yesterday I noticed that my Bangle was also measuring (at least displaying on the main screen) a bpm, while set on the table.
I know it's not always the case, but sometimes it does measure something even though I'm not wearing the watch