General description The 3X CNC Stepper Motor Driver is a versatile module designed for Nema42/57 stepper motors, offering adjustable control over various parameters such as angle, speed, direction, and delay time. With a microstep resolution of up to 1/128, it allows for precise motor control. The controller features 9 built-in working modes, including rotation, reverse rotation, delay, and cycle, enabling quick selection of operational settings. Additionally, it includes a high-definition LCD screen for easy parameter reading and adjustment, along with a memory function to retain settings during power failures. Technical specifications Input Voltage: DC 5-30V Microstep Resolution: Up to 1/128 Working Modes: 9 built-in modes Measurement Allowed Error: +/- 1-3 cm Compatibility and accessories Compatible with Nema42/57 stepper motors Package Contents: 3 x Controller, 3 x Plug Cable Usage Adjust motor parameters such as cycle number, rotation, delay time, pulse number, forward speed, and