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Topic: external power for run 2stepper and servo motor !!  (Read 98 times) previous topic - next topic


i connect shield to two battery 9V like a exetrnal power but when i write on command arduino G1 X30.00 Y20.00 but the two steppers not moving just like they try to move :/ :(


Two 9V batteries can not supply enough current to drive a stepping motor.

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