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Thread: AccelStepper Library with multiple stepper motors

  1. #1
    Senior Member Wozzy's Avatar
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    Jan 2013
    Philadelphia, Pennsylvania USA

    AccelStepper Library with multiple stepper motors

    I'm position synching two NEMA-17 stepper motors using Mike McCauley's AccelStepper library.

    With the Teensy 3.0 I can drive one motor up to 3600 RPM and two synched motors up to 2100 RPM.

    Click image for larger version. 

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    The Panucatt SureStepr SD8825 Stepper drives can likely handle faster step rates.
    The AccelStepper library works pretty well as is on the Teensy, though it's not optimized for the ARM Timers.

    The Surestepper can handle up to 2.2A per phase, and up to 32microsteps/step.

    Anyway, I'm having lots of fun with it... Here's a video showing position synch with smooth acceleration with 2 intermeshing blades:
    Last edited by Wozzy; 07-15-2013 at 02:20 AM. Reason: add photo

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