POLOLU A4988 Stepper Motor Driver

POLOLU A4988 Stepper Motor Driver

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POLOLU A4988 Stepper Motor Driver

Item #: A4988/SP

In stock

$7.45

Main Features

  • Replacement stepper motor driver card for Velleman K8200 3D Printer 
  • Controls the MOTS4/SP Stepper Motors of the K8200 3D Printer
  • Can be used with a wide variety of stepper motors
  • 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
  • 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