Reprap Stepper Motor Driver A4988/DRV8825 (Green):
The DRV8825 Stepper Motor Driver is a compatible upgrade with A4988 stepper drivers.
This indicates that it can be installed in lieu of your existing stepper motor drivers and provide a greater current limit and twice the stepping resolution.
Motor phase current limit can be adjusted using a built-in potentiometer.
Features:
Chip ti DRV8825
Power input voltage: 8-35V (12V recommended)
Logic input voltage: 3-5.5V
Continuous current per phase: 1.2A
Maximum current per phase: 2.2A
Micro step resolutions: full, 1/2, 1/4, 1/8, 1/16, 1/32
Protection: overheat
No power inversion protection
Size: 15.2 x 20.3