A4988 RAMPS Pololu Stepper Motor Driver

REF: A2412
Rated 0.3 out of 5

33 in stock



  • Maximum output current is 1A.
  • 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 toachieve higher step rates.
  • Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay).
  • Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection.
  • Short-to-ground and shorted-load protection.


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