Mini sophisticated Module for Arduino LED 23 x 17 x 9mm PCB board

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Specification:

1.PCB board size: 23 * 17 * 9mm

2 chip technology, LED status display

3 small size, sophisticated technology

4 Instructions for use: ULN2003A Darlington power chip stepper motor driver

A, B, C, D four-phase LED indicates the status of the stepper motor work
Stepper motor with a standard interface, when used directly pluggable
With 3mm diameter screw holes for easy assembly using fixed

Interface Description:

VCC and GND power input range of 5-24V, IN1-IN4 corresponding test program 51 microcontroller P0.0-P0.3

Shipping list:

1.ULN2003 module * 1

Photos: