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 :confused: :frowning:

external power for run 2stepper and servo motor !!

Grumpy_Mike May 6, 2018, 9:02pm 2

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

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