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This Kard is based on the Big Easy Driver Stepper Motor Driver http://www.schmalzhaus.com/BigEasyDriver/
it allows the Quick control a bi-polar stepper motors up to 2A/phase using the four rail pins for the slot into which it is inserted.

{{:KardBigEasy_Schematic.zip|}}

{{:kards:bigeasy_kard_back.png?direct|}}  

{{:kards:bigeasy_kard_front.png?direct|}}

{{:kards:bigeasy_kardIO.png?direct|}}

=== Port Pin Map ===
^Kard GPIO Pin^REV C^REV C1^REV D^REV F^
|  0   | Step    | Step    | Step    | Step    |
|  1   | Dir     | Dir     | Dir     | Dir     |
|  2   | !Enable | !Enable | !Enable | !Enable |
|  3   | Sleep   | Sleep   | MS1     | MS1     |
|  4   | MS3     | MS2     | MS2     | MS2     |

====== Related Links ======

[[http://hobbymechatronics.com/projects/28-electronics/14-diy-microstepping-motor-driver|diy-microstepping-motor-driver based on the A3979]]

[[http://gadgetforge.gadgetfactory.net/gf/project/stepper1/|1-Axis stepper driver based on the A3979]]

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