Has anyone worked with stepper or servo motor controls yet?
I think I am missing something in the G code documentation. Normally a stepper is used to move by steps to cause a linear component to move some distance. This is how the G code for X Y and Z work. If I want to use the expansion board stepper control to move another axis, such as panning a camera, I do not see how I would control that.
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I have only plugged in a servo so far and controlled it with the slider. I’m intending to play with it more this weekend.
There are a couple of ways to control stepper motors, but ther is not a fine grain of control.
M1004 S10 D[ddd] P[ppp] - D: Rotation direction (0-1), P: Speed (r/min)
You can also control it with the swithces and the sliders, but you have less control with those. There is no step or move X steps though which would be more useful.
So far the only solution that I have is to turn on the motor, use G04 to wait for a time period and stop the motor. For example, I might want to use a motorized arm to clear the plate after printing.
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Hi @julie777
I am trying to achieve the same: Automatically clearing the builtplate after the print when the builtplate is cooled down again. Did you make any progress? Do you want to team up? 
Are you aware of any option to test this “end gcode” without starting a print each time?
Cheers
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@MentosZ Lets keep in touch on this. Do you want to start a new topic for clearing the build plate?
Please do so, i cant open new topics 
Done. You should get a notification of mention.