BIQU A4988 Compatible StepStick Stepper Motor Diver Module with Heat Sink for 3D Printer Controller Ramps 1.4(Pack of 5pcs)

Product Description

A4988 driver board widely used in 3D printers and small CNC machines

Simple step and direction control interface

Thermal protection, over-current protection, ground fault protection

Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step

Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage toachieve higher step rates

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