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Stepstick 1/16 step issue

Posted by dore_m 
Stepstick 1/16 step issue
May 30, 2013 04:36AM
Ok, I'm a newbie. I have the original makerbot cupcake and am trying to upgrade the motor drivers to Stepsticks.

When I hook the stepstick up in full step mode, the motor turns as expected, and the signal looks good. When I change the MS1, MS2, MS3 configuration to 1/16 step, the motor doesn't move as much as I would expect. The signal that drives the stepstick is the same in both cases, but the signal to the motor is not nearly correct. It looks like some very slow full steps. The distance moved is small.

Any ideas on why this might be?

-Dore
Re: Stepstick 1/16 step issue
May 30, 2013 05:55AM
If you increase microstepping, you also have to increase the number of step signals. In case of moving from 1/2 to 1/16 you need 8 times more steps for the same distance. Your firmware should have a "steps per mm" setting for this.


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