This module is a stepper motor controller. It CANNOT directly control the stepper motor. It needs to connect a stepper motor DRIVER (NOT INCLUDED) to control the motor. PEMENOL stepper motor controller can adjust the angle, speed, direction and delay time of the motor. The micro stepping resolution can reach 1/128, enabling you to control the motor more accurately. NOTE: This product is a stepper motor controller, which needs to be used with the driver.