The A4988 is a complete Micro stepping Motor Driver with built-in translator for easy operation. The driver has a maximum output capacity of 35 V and ± 2 A.

It can operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes.

Specification:
Max. Operating Voltage: 35V
Micro step resolution: Full step, ½ step, ¼ step, 1/8 and 1/16 step
Short-to-ground and shorted-load protection
Low RDS(ON) outputs