Features: Compatible for A4988/DRV8825 driver, this stepper motor control board supports wide voltages input (5V/12V-24V) for versatilitys applications in 3D printers and machines. Features microstepping mode (full/half/quarter/eighth step) and compactly design with integrated thermal protections for precise motion control in tight space. Ideal for robotics engineers, electronics hobbyists, and automation developers needing reliable motor driver module for projects. Perfectly integrates into 3D printing systems, cutters, and industrial automation equipment requiring smooth stepper motor operation and thermal safety. Open source community supported design simplifies prototyping with standardized interfaces and pre soldered components for reduced wiring complexity. Specifications: Component:Plastic Size:Approx.4.2x3.50cm/1.65x1.38inch Option Type:1pc,3pcs; A4988/DRV8825 Stepper Motor Driver Module Package Includes: Package A 1pc Stepper Motor Driver Module Package B 3pcs Stepper Motor Driver Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.