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Author Topic: how to make 4 wires system of Unipolar Motor control into 2 wires  (Read 302 times)
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is there any way to modify this schematic in to 2 wires system?eg. dir,steps http://upload.wikimedia.org/wikipedia/commons/5/56/Unipolar_Stepper_Motor_Driver.png

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You can try an Allegro UCN5804B. It's a pretty old chip; unipolar drivers just aren't very popular.
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It can be done using a couple of logic chips.
http://neil.fraser.name/hardware/stepper/ttl.html
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