PWM Stepper Motor Driver


Control a stepper motor using this circuit and a servo PWM signal from an R/C controller, arduino, or microcontroller. Onboard circuitry limits winding current, allowing you to use any bipolar stepper motor and any supply voltage from 6-36V. The circuit will operate the stepper motor analogous to a standard or continuous rotation servo depending on the mode. Half and Full step modes are also supported.

Warning: Stepper Motor must not be driven in excess of 2A per winding. Input PWM signal must be 5V. If voltage input through servo PWM cable is greater than 5V, the red pin should not be connected to the board and 5V should be supplied through X1.

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