geared step motor :

28 mm diameter 

Voltage: 5 v

The step Angle: 5.625 x 1/64

The reduction ratio: 1/64

A single weight: 0.04 KG

5 line 4 phase can use ordinary uln2003 chip driver, also can connect into 2 phase Can use supporting development board, plug directly, easy to use

The use of ULN2003 stepper motor power darlington chip driver

Leds indicate A, B, C, D four phase step motor work

Equipped with a stepper motor standard interface, when using, can be directly call waiting.