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  1. 10-01-2016 #6
    magicniner's Avatar
    Lives in Rotherham, United Kingdom.
    magicniner
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    Quote Originally Posted by Tom J View Post
    My question was why everything works when PUL- DIR- ENA- are connected without common anode(+)
    I'm guessing that you've followed the "Typical Wiring Diagram" in the manual which doesn't take into account that some Break Out Boards have their own Pull-Up/Pull-Down built in and just need Step Signal, Dir Signal and (Optional) Enable Signal?
    If your Driver has Pull-Up/Pull-Down you could be swamping your controller with twice the Pull current required ;-)
    Last edited by magicniner; 10-01-2016 at 05:23 PM. Reason: Change "BOB" to "Driver"
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