– Model: ULN2803
– Color: Green
– Material: PCB board
– ULN2803 stepper can control 2 4-phase stepper motor.
– There are ten pins in the left, 8 pins supply 5-volt power input, and leads to an external power supply, and the right side for the two stepper motor output, connected to two 4-phase five-wire stepper motor. drive capability 500MA \ 50V. Can be a direct replacement for the ULN2003 to drive the four-phase wireless stepper motor.