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Onboard 0.36 inch red common anode 4-digit 8-segment digital tube, onboard 4 8550 triodes driven in parallel, onboard 4 bit-driven current limiting resistor and 8 segment-driven current limiting resistor. Product parameters: 1. Working voltage: 3.3V-5V 2. Pin header leads to common pins, including a VCC pin, 4 bit drive pins (D1D2, 0D3, D4), and 8 segment drive pins (A, B, C, D, E, F, G, DP)
Working voltage: 5V
Wiring instructions (take the provided program as an example, you can connect any IO port, modify the port definition in the program): VCC-5V GND-GND DAT = P23 CP = P22
Product Introduction
Wiring Instructions VCC→5V GND→GND DIN→P00 CS → P01 CLK→P02 Precautions
![MAX7219 4 8 bit Digital Tube Display Module 0.36\](img-large/g/dDsAAOSwMHNlcAxL/s-l1600/MAX7219-4-8-bit-Digital-Tube-Display-Module-0-36-R.jpg "MAX7219 4 8 bit Digital Tube Display Module 0.36\")
