Did you look at the stepper basics tutorial that I linked? Did you look at the Pololu page that I linked? That page has information on connecting the driver to a Arduino.
The DRV8825s that you found are good.
Did you look at the stepper basics tutorial that I linked? Did you look at the Pololu page that I linked? That page has information on connecting the driver to a Arduino.
The DRV8825s that you found are good.