This library allows you to control unipolar or bipolar stepper motors. To use it you will need a stepper motor, and the appropriate hardware to control it. For more on that, see Tom Igoe's notes on steppers.
Corrections, suggestions, and new documentation should be posted to the Forum.
This reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License and is based on the Arduino reference. Code samples in the reference are released into the public domain.