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Controlling a sewing machine with the PWM output from GRBL Arduino shield?

vindieselwalker

The foot pedal on the sewing machine is a 0-5V 400ohm POT. Wondering if there's any way I can control that with the PWM output. Hoping to control the speed of the stitch as if it were the spindle speed of the CNC.

End goal is an automated quilting machine.

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  • That's going to depend quite a lot on the sewing machine you are starting with. Can you provide details?

     

    Some generate a PWM signal internally to drive the motor anyway, so maybe you can bypass the built in speed controller completely? I have certainly seen sewing machines run on 12-24V motors which are common to battery drills, so there maybe scope?

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  • That's going to depend quite a lot on the sewing machine you are starting with. Can you provide details?

     

    Some generate a PWM signal internally to drive the motor anyway, so maybe you can bypass the built in speed controller completely? I have certainly seen sewing machines run on 12-24V motors which are common to battery drills, so there maybe scope?

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