Was going to implement the auto zero mod using AUX 4 but when I pulled the controller it is different then the one described as there is no AUX as far as I can tell. My board is labeled as v2.1 and recently purchased the M2. Is there still a way to gain access to a pin for Z axis calibration?
Pulling the daughter board off, I see that pins 0-13 are available on the MLB. Is there documentation on how AUX was wired?
if you can find one that is available, you can modify the firmware and make it work. get the firmware from the makermadecnc/due github repository
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