A4988 Stepper Motor Driver

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A4988 Stepper Motor Driver A4988 driver board widely used in 3D printers and small CNC machines Simple step and direction control interface Thermal protection, over-current protect ion, 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 to achieve higher step rates Show more