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  • Great! Actually, if you looked at the time between pulses, rather than the number of pulses in a period, I guess you might get a more accurate speed value?

    but what about having a deep sleep with a setWatch() on a pin with a coil connected

    Hmm, maybe - but then why not just use a reed switch instead of the coil and you could do everythig, with great battery life :)


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