Pololu 8-35V 2A Single Bipolar Stepper Motor Driver A4988 Black Edition

The 8-35V 2A Single Bipolar Stepper Motor Driver A4988 Black Edition is a higher-performance drop-in replacement for the original A4988 stepper motor driver carrier. Controls one bipolar stepper motor at up to 2A output current per coil; Provides full-step, half-step, quarter-step, eigth-step and sixteenth-step resolutions; Intelligent chopping control to automatically select the correct current; Operating voltage: 8 to 35V