HALJIA 5PCS A4988 Stepstick Stepper Motor Driver Module + Heat Sink Compatible with 3d Printer Reprap

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Product description

  • A4988 driver board widely used in 3D printers and small CNC machines
  • Simple step and direction control interface
  • 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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