A3979breakout
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Release status: unknown
| Description | A stepper driver |
| License | GPL |
| Author | johnnyr |
| Based-on | [[]] |
| Categories | Electronics |
| CAD Model(s) | 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
