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![]() Microstepping requires partially actuating the coils to interpolate between the angular positions which would be achieved by activating each in turn fully. The L293D is merely an (effectively obsolete implementation of an) H-bridge, not a stepper motor sequencer, hence it is no more capable of autonomously driving a motor in full or half step mode than it is of microstepping - it can only do any of these when it is controlled by a sequencer, such as an L297 chip, or software running on an Arduino's processor. ![]() ![]() It would be more accurate to say that it can be used as part of a microstepping system, though it's probably not a good choice for any use today. ![]()
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