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1  Topics / Robotics / 2 of 3 steppers stall on: June 28, 2012, 09:53:49 pm
i have been trying to bench test 3 steppers drivers and power supply before i build anything.
i found a code on instructables "how to wire a cnc" the code makes 3 steppers spin one direction then changes direction.
my problem is that when i use the code 1 of the 3 spin and the other 2 stall. i tried changing the pinouts of the steppers that didn't work and still nothing.
but if i connect the 2 that didn't work to the same pins as the one that works they all spin...

so i know the steppers, drivers, power supply works.

did i some how kill my arduino?
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