• I did a small test with two Bangle.js2 on the same forearm. One with the old firmware and a bt chest belt connected to it (blue) and its firmware PPG result (red) and another Bangle.js2 with new firmware and and its firmware PPG result (green). While recording I was

    1. sitting still
    2. walking fast
    3. running without moving
    4. sitting still

    1 Attachment

    • hrm.png

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