SLAm stepper 2

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Uploaded by on Apr 21, 2010

Trying out my SLAm stepper motor driving with a home-made 555 circuit. The frequency is controlled by a potentiometer I added in.

Here I also test out the direction pin and get the motor to go forwards and backwards.

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Science & Technology

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Uploader Comments (markslaboratory)

  • Yeah, I should have mentioned that in my original post. I sort of found the sweet-spot with my potentiometer where it would still reverse. I need to get a little tripod so I dont have to hold a camera, turn a potentiometer and short two wires all at the same time.

    Switching directions when going any faster would just stall the motor; slowing it down and then reversing it seems to be the proper way to go.

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  • I'm surprised at how quickly it can reverse... normally the CNC control software (TurboCNC / Mach3 / etc..) would ramp the speed down to a stop, then ramp the speed back up in the other direction.

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