For my stepper motor controller I’m using a CD4050 non inverting buffer, output of the Arduino Uno to input of the CD4050 and the output of the CD4050 to drive a TIP120. The Tip120 will apply the ground to complete the coil circuit on the stepper motor. I will put a 1N4001 diode across each coil. I …

Stepper motor control circuit

system February 15, 2014, 9:54pm 2

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