Description: 5V Stepper Motor:Diameter: 28mm ,Voltage: 5V ,The step angle: 5.625 x 1/64 , Speed down ratio: 1/64 The 5 line 4 phase can use ordinary ULN2003 chip driver, it can be connected into the 2 phase and matched with the development board use, direct splicing, it is convenient to use stepper motor in the development board ULN2003 Drive Test Module Board:Stepper motor driver board with ULN2003. A, B, C, D four-phase LED indicates the status of the stepper motor work. Stepper motor with a standard interface, when used directly pluggable. Drive Module Board Size:2.8cm x 2.8cm x 2cm Package Includes: 3 Pieces 5V Stepper Motor 3 Pieces ULN2003 Drive Test Module Board