The arduino stepper stuff is pretty useful as well - http://arduino.cc/en/Reference/Stepper?from=Tutorial.Stepper http://arduino.cc/en/Reference/Stepper?from=T

The arduino stepper stuff is pretty useful as well - http://arduino.cc/en/Reference/Stepper?from=Tutorial.Stepper http://arduino.cc/en/Reference/Stepper?from=Tutorial.Stepper http://arduino.cc/en/reference/stepper http://arduino.cc/en/reference/stepper http://learn.adafruit.com/adafruit-arduino-lesson-16-stepper-motors/ http://learn.adafruit.com/adafruit-arduino-lesson-16-stepper...