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Stepper motor driver ic l297 circuit5/4/2023 ![]() ![]() Create separate functions for half-stepping, full stepping, and wave drive and delay.Initialize the port pins in input/output modes.The ADC inside the micro-controller will be used to control the speed of rotation. One pin is required to connect a pot, which will act as a speed controller. Two pins are required to select the kind of stepping and to start or stop the motor. To accomplish the above functions, we need to use additional pins on the micro-controller. A start/stop command must start or stop the motor rotation. Also, we must control the speed of rotation. Hence, we must make the driver interactive enough to take command from the user and do the required kind of stepping. The stepper motor drive is a dumb piece of electronics unless you program the microcontroller to give signals correctly to the stepper motor via the driver.Ī stepper motor can operate in many modes like full step, wave drive, or half-stepping (Please refer to the article on Stepper Motor for the sequence of steps). ![]()
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