High Quality Unipolar Stepper Motor (5v) 3d printer control This is Standard duty two

This is Standard duty two bolt flange bearing with a wide inner ring and two set screws

DC Barrel Jack Adapter (Male)

but you can change it with AT command

Programming: Stick / LED program box

High Quality Unipolar Stepper Motor (5v) 3d printer control This is Standard duty twoProduct Description A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements. The shaft or spindle of a stepper motor rotates in discrete step increments when electrical command pulses are applied to it in the proper sequence. The motors rotation has several direct relationships to these applied input pulses. The sequence of the applied pulses is directly related to the direction of motor