General description Speed RPM Display Stepper Motor Driver Controller Board allows for precise control of stepper motors with adjustable speed settings. It features a user-friendly interface for forward and reverse operation, making it suitable for various DIY projects. Technical specifications Speed range: 0.1-999 rpm Material: Plastic Measurement allowed error: +/- 1-3 cm Compatibility and accessories Package Contents: 1 * Stepper Motor Driver Control Board 1 * 6P cable Usage To operate, click the forward button to move in the positive direction, hold to maintain speed, and loosen to stop. For reverse operation, click the reverse button, hold to maintain speed, and loosen to stop. Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.