NW 20 PCS Mini Stepper Motor Micro Stepper Motor 2 Phase 4 Wire Stepping Motor for Camera (D6.1xH7.7mm(with Plastic Wheel）);

Specifications:
Stepper motor diameter: 6.1 MM
Height: 7.7 MM
Output shaft: 1.5MM
The new Japanese Nidec micro stepping motor, widely to digital cameras and other small household electrical appliances, digital products. And it is the recent new products, more suitable for new digital cameras and other digital products.
Two-phase four-wire stepper motor has two windings: A, B. A winding through the forward current use (+ A) represents; through reverse current use (-A) represents. B winding expressed as above.
Energized order:
Two-phase, four-beat: (+ A) (+ B) - (-A) (+ B) - (-A) (-B) - (+ A) (-B) -
Single-phase, four-beat: (+ A) - (+ B) - (-A) - (-B) -
Eight-shot, half: (+ A) (+ B) - (+ B) - (-A) (+ B) - (-A) - (-A) (-B) - (- B) - (+ A) (-B) - (+ A) -