- FAST OPERATION: The 6N137 high-speed optocoupler guarantees a fast response without losing steps, which is essential for applications that require fast movement. - HIGH PERFORMANCE AND PRECISION: The control board is specially designed for maximum performance and allows reliable and accurate movements of stepper motors. - VERSATILE COMPATIBILITY: The board supports various stepper motors, including the types 42, 57, 86 and 2/4 phase, 4-wire or 6-wire configurations, making it ideal for various projects and applications. - MADE IN BELGIUM: A unique brand belonging to the Belgian Velleman Group, offering learning packages, electronics kits and experiment kits for hobbyists and makers. - APPLICATIONS: Ideal for DIY CNC machines and 3D printers requiring fast, precise stepper control; suitable for robotics and automation prototypes; useful in educational electronics kits and experiments.