Microstep resolutions : full, 1/2, 1/4, 1/8, and 1/16
Current Rating : Upto 2A
Reprap pololu A4988 Stepper Motor Driver
This Module is a carrier board or breakout board for Allegro A4988 Microstepping Driver with Translator and Overcurrent Protection. It operates from 8 V to 35 V and can deliver up to approximately 1 A per phase without a heat sink or forced air flow (it is rated for 2 A per coil with sufficient additional cooling).