Stepper motor not working

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my stepper motors shake , whine don't move have used volt meter current runs through motor, tested wires current runs through it, looked @ connections work, marlin board should work because lcd screen works. else missing.

could fried place when first wired switched negative , positive wires realised did , changed right.

quote
any 1 know problem is.
your main problem - based on overwhelming information - no advice here unless bring in position you, ->

1. read , follow rules in "how use forum" (see url in signature below).
2. please provide relevant information of hw/sw can have @ , position understand problem(s) lies.
3. if post sketch, use code tags ('</>') , place code between them.


Arduino Forum > Using Arduino > Motors, Mechanics, and Power (Moderator: fabioc84) > Stepper motor not working


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