Stepping Motor Driver using XNOR gate
This entry was posted on Monday, October 13th, 2008 at 7:27 am and is filed under motor speed controller.
The circuit is not particularly susceptible to motor transients and supports FULL STEPS FORWARD, FULL STEPS REVERSE, ACTIVE HOLD, and POWER OFF aka RELEASED. If the motor does not turn then swap around the leads of ONE of the two coils. To reverse the sense of the EN signal simply rework the circuit around an XNOR gate. [...]
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http://members.shaw.ca/novotill/StepperDriver/index.htm
