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Well, something doesn't feel right. I measured the voltage between - and the potentiometer on the DRV8825 and it is 1.6V. Wut?

  • When I disconnect the usb cable from arduino so my motors turn off (I temporarily left the motors on even while not moving), the voltage is 0.36V and it doesn't change even when I rotate the potentiometer. And when I plug the usb in, I can adjust it from 0.04 to like 10V? While 1.6V is in the middle (It was set to 1.6 when manifactured).