• That is strange... Do the pins need pullups?

    Maybe swap A5 and A8 in the code and see if that helps. Also maybe you needed edge:'falling' in the watch.

    Usually in an encoder, when one pin changes state, the state of the other pin determines the angle. But in this case I guess because we were reacting on both edges of A5, we'd just end up adding and subtracting from value


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