Description

This board uses the ULN2003 high-power Darlington chip to drive a stepper motor. A, B, C, and D LEDs indicate the working status of the four-phase stepper motor. It comes with a standard interface for stepper motors, allowing for direct plugging and unplugging during use.

Product Basic Parameters:

• IC Type: 5V TTL CMOS
• Base Input MAX Current: 25mA
• Output External MAX Voltage: 50V
• Collector Maximum Sink Current: 500mA
• Dimensions: 35mm x 32mm

Product Dimensions:

Usage Instructions:

IN1, IN2, IN3, and IN4 connect to four 10-pin ports of a microcontroller. The socket connects to a five-wire four-phase stepper motor. When in use, please insert the jumper cap into the two pins on the right. The “+” pin serves as the power supply voltage for the motor and simultaneously provides power to the COM pin of the ULN2003A chip, ranging from 5-12V. The ULN2003A acts like a switch, with power supplied externally.

A, B, C, and D LEDs indicate the working status of the four-phase stepper motor, and it comes with a standard interface for stepper motors, allowing for direct plugging and unplugging during use.