MAX7219 8-Digit Red LED Display Module 7 Segment Digital display

Description

Features:

• 100% Brand new and high quality.
• Power: 5V
• Material: PCB + Electronic Components
• Size: 82 * 15 * 18mm
• Color: Green
• Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program):

VCC → 5V

GND → GND

DIN → P00

CS → P01

CLK → P02

Notice:

1. VCC and GND Do not reversed, it would burn the chip
2. 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines