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When I used 2001, torque was low for a unipolar stepper motor When I used 2003, it was a lot better. I need more torque though,,, would the ULN2803 work...

Hi. I'm using a ULN2001 and a 74LS194 for driving a stepper motor. The problem is that the stepper motor isn't stepping properly (or so it seems). It rotates a...