A3979breakout

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A3979breakout

Release status: unknown

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Description A stepper driver
License GPL
Author johnnyr
Contributors
Based-on [[]]
Categories Stepper motor drivers
CAD Models none
External Link none


Here's the files for a little A3979 breakout. It is compatible with RAMPS and similar electronics. Most components are 0402 (little stuff). Data sheet for the A3979 is at http://www.allegromicro.com/en/Products/Part_Numbers/3979/3979.pdf

Current Adjustment

Turn the trimpot CCW (from right to left) to increase current limit for motor.

Microstepping

MS1 MS2

L L Full Step H L Half Step L H Quarter Step H H Sixteenth Step

Eagle files -File:A3979breakout.zip


A3979breakout.jpg
A3979breakoutPlacement.png