MAX7219 2x4 Dot Matrix Display Module 8-in-1 LED Matrix - Red

The MAX7219 2x4 Dot Matrix Display Module is an integrated serial input/output common-cathode display driver that connects microcontrollers to a large, vibrant LED visual interface. This module features a 2x4 array of eight 8x8 red LED matrices (totaling 512 individual LEDs) driven by the highly efficient MAX7219 driver IC. It solves the problem of high pin usage and complex wiring by requiring only 3 digital I/O lines to control the entire display, making it a staple for scrolling text displays, custom digital clocks, and dynamic visual indicators.

This versatile display module is fully compatible with popular development platforms such as Arduino, ESP32, ESP8266, STM32, and Raspberry Pi. It is widely used in DIY electronics, IoT projects, industrial status displays, and academic robotics. Multiple modules can be easily cascaded together using the input and output headers on either side of the PCB, allowing you to build larger, custom-sized scrolling message boards with minimal code modifications using standard libraries like LedControl or MD_Parola.

Features:

• 8-in-1 Cascaded Design: Features a 2x4 grid of eight 8x8 dot matrices for a total of 512 individually controllable LEDs.
• Efficient MAX7219 Driver: Utilizes the MAX7219 serial driver IC, reducing microcontroller pin overhead to just 3 digital pins.
• SPI-Compatible Interface: Supports high-speed SPI or any 3-wire serial communication protocol (DIN, CS, CLK).
• Onboard Cascading Headers: Input and output pins are broken out on opposite ends to allow seamless daisy-chaining of multiple modules.
• Brightness Control: Supports both software-controlled analog and digital brightness intensity adjustments.
• Wide Compatibility: Works flawlessly with standard Arduino libraries like LedControl and MD_Parola.

Package Includes:

1 x MAX7219 2x4 Dot Matrix Module

1 x 5-Pin Female-to-Female Dupont Cable

2 x 5-Pin Right-Angle Male Headers