Stepper Motor Controller by ULN2003
Stepper Motor Controller Connection Diagrams
Four-Wire Connection The ULN2003 / MC1413 is a 7-bit 50V 500mA TTL-input NPN darlington driver. This is more than adequate to control a four phase unipolar stepper motor such as the KP4M4-001.
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Read More Source:
http://www.doc.ic.ac.uk/~ih/doc/stepper/control2/
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