LED’s to indicate Running (and Back EMF for hand-turning test) Delete corner Mount holes, Silkscreen…etc, as desired.This is Single-Layer design (to facilitate easier HomeMade PCB making.Has added Heat-Sinking copper under the chip (attached to the 4 GND pins - Can delete if not wanted).One circuit per motor (I use NEMA-17 motors).The Combo version has both connector styles - delete the ones you don’t want (can delete the Traces to them) Three Circuits but all are the same except for Connector type and locations.But, they appear to have equivalent pins so, I suspect either can be dropped into this circuit (pinout image attached at end) I have only used SN754410 chips and have not used the L293D chips. It’s not really a ‘Part’ but, it can be Copied&Pasted into another circuit…_ This is the Motor Circuit I use for Stepper Motors
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