This Stepper Motor Driver Module is designed for 3D printers and Reprap systems, offering a simple control interface and features. The 4-layer copper PCB enhances heat dissipation, while the adjustable current control allows for higher step rates. Ideal for upgrading your 3D printer, it supports multiple step resolutions for precise motor control. Features -Color:Multi -Material:Plastic, Electronic Components -Size:2.00X2.00X0.50cm/0.79X0.79X0.20in -Simple control interface: Easy step and direction control interface compatible with 3.3 V and 5 -Enhanced protection: Features over-temperature thermal shutdown, over-current shutdown, and under-voltage for reliable operation -Advanced heat dissipation: 4-layer, 2 oz copper PCB design improves heat dissipation for better performance -Versatile step resolutions: Supports six step resolutions including full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step for precise control -Adjustable current control: Potentiometer allows setting maximum current output, enabling use of higher voltages for increased step rates Package list: 10 x Stepper Motor Driver Module