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

Price: $8.99
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Product Features

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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