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74LS194, 74LS04 drive a stepper motor

2016-09-01 11:33  
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There are so many ways todrive a stepper motor, Here is another circuit that use74LS1944 bit bi-directional universal shift register as a phase generator andUDN2543Bto drive the unipolar stepper motor. U174LS04provide the necessary clock pulse for the circuit. S1 is the direction selection switch and S2 turns ON/OFF the motor.

74LS194, 74LS04 drive a stepper motor