TO INSTALL: Download zip by clicking "DOWNLOADS" in top right corner. Then uncompress folder and rename to Stepper-A4988. Make sure that folder contains this README ...

You can DIY this with a lot of timers, a microcontroller and an H-Bridge chip - or you could take the easy way out and use an Adafruit A4988 Stepper Motor Driver Breakout Board which makes controlling ...

The testing-contraption to the left is a NEMA 17 stepper motor attached to an encoder ... lets it look like a low-current driver, inferior to the common A4988 and DRV8825.

For each application the right type of stepper motor and driving circuit has to be determined, of course, as they also have many reasons why you’d not want to use them, or just a particular type.