Features Onboard ULN2003A motor driver chip. Onboard XH-5P socket, stepper motor driver board can be directly connected to 28BYJ-48 stepper motor. The stepper motor driver board is powered by a 5-12V power supply. The stepper motor controller has 4 signal indicators on board. All pins of the chip are drawn out for easy connection. Features:1. Onboard ULN2003A motor driver chip.2. All the pins of the chip are led out to facilitate connection.3. Powered by 5-12V power supply.4. Onboard 4 way signal indicator.5. Onboard XH-5P socket, can be directly connected to 28BYJ-48 stepper motor. Specification:Model: ULN2003Supply voltage: 5-12VPCB size: 40.5*20.3mm / 1.6*0.8inPackage weight: Approx. 26g Packagelist:5 * ULN2003 Stepper Motor Driver Board Package List