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Does AccelStepper support all stepper motor drivers? #14

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joaomamede opened this issue May 27, 2022 · 1 comment

joaomamede commented May 27, 2022

I would like to use it with DRV8825 or with an A4988.

Thanks so much for the software

drf5n commented Nov 28, 2023

It supports many STEP/DIR drivers like DRV8825 and A4988 with:

AccelStepper/src/AccelStepper.h

Line 347 in 1255ab5

DRIVER = 1, ///< Stepper Driver, 2 driver pins required

It is a bit wierd, but the plain old non-acceleration Arduino stepper.h library can also support STEP/DIR drivers as a 2-wire motor. The catch is that you need to use one of the pins as "clock" = "DIR" and the the other pin as "data"=STEP and send 4 stepper.h steps per each 1 motor step to get STEP to toggle. See https://forum.arduino.cc/t/stepper-driver-with-quadrature-from-stepper-h-or-encoder/1121041

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