5pcs A4988 Stepper Motor Driver pololu StepStick Module Board Red with Aluminum Heat Sink fit ramps 1.4 3D Printer Reprap, CNC Machine or Robotics

Price: $11.99
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Product Features

Adjustable current control lets you set the maximum current output with a potentiometer Simple step and direction control interface.Five different step resolutions: full-step, half-step, quarter-step,eighth-step, and sixteenth-step Thermal protection,under-voltage lockout,and crossover-current protection,ground fault protection Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay) widely used in 3D printers and small CNC machines

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