I have an unusual problem with Arduino and need help. I am using an Arduino UNO to control two stepper motors. They each have an A4988 driver and are contained in a CNC shield. I have set the POTS on the motor drivers. The Arduino is loaded with GRBL. I use the USB cable for the Arduino and 12 …

Unusual problem

magictubes May 17, 2018, 11:40pm 6

Thanks BallscrewBob, I will try out all that you suggest tomorrow and let you know the results as soon as I have them.
By the way, the motors are KP35FM2-035.
I don't have a data sheet for the exact model but Jameco has one listed as KP35FM2-044

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Unusual problem

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