5V Stepper Motor 28BYJ-48 With Drive Test Module Board ULN2003 5 Line 4 Phase Product description: 100% Brand new and high quality. 5 Line 4 phase can be driven by ordinary uln2003 chip can also be connected in phase 2 development board used for. Supporting the use of a direct plug and easy to use stepper motor used in the development board. ULN2003 stepper motor driver board: 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. Specification: Diameter: 28 mm / 1.1 inch. Voltage: 5 v Length: 274 mm / 10.8 inch. Step Angle: 5.625 x 1/64 Reduction ratio: 1/64 Package Included: 1 * DC 5V Step Motor 1 * ULN2003 Driver Test Module Board