Ventisonic&reg; 5V Stepper Motor 28BYJ-48 With Drive Test Module Board ULN2003 5 Line 4 Phase Voltage: 5V; Step angle: 5.625 x 1 / 64; Reduction ratio: 1 / 64 5 Line 4 phase can be driven by ordinary uln2003 chip can also be connected in phase 2 Supporting the use of a direct plug and easy to use stepper motor used in the development board. Stepper motor driver board with ULN2003; A, B, C, D four-phase LED indicates the status of the stepper motor work Package Included: 1 x Drive Module Board ULN2003; 1 x Stepper motor 28BYJ-48