Just so that we know what's involved, how would this analog signal come into the Bangle? I was thinking in the "speaker" port that was left avaliable, could i change this digital output to an analog input? or maybe tweaking the hardware a little and get to an avalible port in the nordic.
The signal is really simple a capacitor one end connected to 3.3v and the other to the analog input.
Would you use another bluetooth device and get the data from that? Nope, the device is still the same just need to get the analog signal into the watch directly.
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