A4988 Stepper Motor Driver Module with Heat Sink for 8V-35V 2A below stepper motors for 3D Printer RepRap StepStick

A4988 Stepper Motor Driver Module with Heat Sink for 3D Printer RepRap StepStick Features: Machine patch production, PCB copper 2oz (copper thickness of 70um, the general is 35um), high copper content, good heat dissipation Suitable for 8V-35V 2A or below stepper motors There is only simple step and direction control interface Five different step modes: full, half, 1/4, 1/8, 1/16 Adjustable potentiometer can adjust the maximum current output Automatic current decay mode detection / selection Overheat shutdown circuit, undervoltage lockout, and cross current protection Ground short circuit protection and load short circuit protection Specifications: Color: red, green Size: 15 x 20mm/0.59 x 0.79 (for RAMPS, ultimaker or other compatible boards); Drivable current: 2A (heat sink which is included is recommended to use) Step mode: 16 Application: 3D printer 1 x 3D Printer Stepper Motor Driver Module 1 x Heat Sink '