●Stepper motor and ULN2003 driver board compatible with 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi ●Rated voltage: 12V DC; Stepping angle 5.625°/64, DC resistance 200Ω±7%, 4 phase 5 wire ●A, B, C, D fou phases of the stepper motor work. ●Stepper motor with a standard interface, when used directly pluggable ●Low noise, low vibration, low heat generation