I found this circuit and wanted to know what stepper motor I could use with it.. I do not know what motor(type) I am looking for. Thanks for any direction.
Although a unipolar requires a less complex circuit than a bipolar, it also is slower than its bipolar cousin, requires more windings of wire for same power as bipolar hence "Pricey"
Forget the simple circuit, look into some H-bridge driver chips and use a bipolar step motor.