SparkFun EasyDriver – Stepper Motor Driver

A3967 Microstepping Driver MS1 and MS2 pins broken out to change microstepping resolution to full, half, quarter and eighth steps (defaults to eighth) Compatible with 4, 6, and 8 wire stepper motors of any voltage Adjustable current control from 150mA/phase to 700mA/phase Power supply range from 6V to 30V. The higher the voltage, the higher the torque at high speeds