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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.
@d3nd3-o0
I think hrmSportsMode is the algorithm that becomes dependent on Accel data, because in the example source it takes x,y,z input. hrmSportsMode 0 also worked well for me too at times. I think its either slow and has to take a while to follow true heartrate or the signal is sometimes too noisy for the current alg.
Because at times, I am very impressed, but its short-lived. Does anyone know if its best to measure time between 2 consecutive beats, or to count peaks over time? I'm starting to think the time-measuring is the way to go.