These steppers are a great way to get things moving, especially when positioning and repeatability is a concern.
This is a [Bipolar](http://en.wikipedia.org/wiki/Bipolar_electric_motor) motor.
**Features:**
* Step Angle (degrees) : 0.9
* 2-Phase
* Rated Voltage: 3V
* Rated Current: 1.7A/Phase
* 5mm Diameter Drive Shaft
* Holding Torque: 48N.cm
* NEMA 17 form factor
**Documents:**
* [Datasheet](http://cdn.sparkfun.com/datasheets/Robotics/42BYGHM809.PDF)
* [Motors and Selecting the Right One](https://learn.sparkfun.com/tutorials/motors-and-selecting-the-right-one#stepper-motors---simply-precise)
* [Hookup Guide](https://learn.sparkfun.com/tutorials/big-easy-driver-hookup-guide)
**Videos**