The DRV8825 can supply a great deal more current than the A3967 in an Easydriver. About 1.7 amps compared to less than 0.7 amps.
These links may help
Stepper Motor Basics
Simple Stepper Code
...R
The DRV8825 can supply a great deal more current than the A3967 in an Easydriver. About 1.7 amps compared to less than 0.7 amps.
These links may help
Stepper Motor Basics
Simple Stepper Code
...R