Blue breakout board with SMD version of ULN2003A Darlington Array. Mostly used to drive 28BYJ-48 stepper motor, but its applications are far beyond that.It can drive high current LEDs, relays or solenoid coils. any load up to 500mA per pin. 1 ULN2003A motor driver chip 2 chip all pins have been drawn out, easy to connect to use 3 onboard 4 signal light 4 pin 5-12V power supply 5 on-board XH-5P socket, you can directly connect the 28BYJ-48 model stepper motor 6 PCB board size: 40.5 (mm) x21.3 (mm) https://elecena.pl/product/17485459/blue-uln2003-driver-module 2021-03-29 https://elecena.pl/product/17485459/blue-uln2003-driver-module 2021-07-13