- 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 to achieve higher step rates
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