MAX7219 4-in-1 Dot Matrix Display Module with red LEDs on blue board

MAX7219 4-in-1 Dot Matrix Display Module (Red)

SKU AA184

$7.99 USD Shipping & tax calculated at checkout
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MAX7219 4-in-1 red LED dot matrix display module for scrolling text, numbers, symbols, and status graphics via SPI with Arduino or ESP32, ideal for robotics, timers, counters, home automation, and prototyping.

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Overview

Product Overview

The MAX7219 4-in-1 dot matrix display module is a red LED matrix board for showing scrolling text, numbers, symbols, and simple graphics in compact electronics projects. Built around the MAX7219 and controlled over an SPI interface, it makes it easy to add bright visual output to Arduino, ESP32, and other microcontroller builds without using many pins. The cascadable 4-in-1 design is ideal for message displays, timers, counters, robotics indicators, and home automation panels, enabling animations and multi-module signs for prototyping, DIY displays, and embedded status readouts.

Questions & answers

Frequently asked questions

Yes. It is designed for Arduino, ESP32, and other microcontroller projects that can control a MAX7219 LED matrix over an SPI-style interface. Use a compatible software library and confirm the board is powered appropriately for your controller setup.
ShillehTek supplies this type of module ready for prototyping with pre-soldered headers, so most users can connect jumper wires directly. You still need to wire power and the SPI control lines and load compatible display code.
The module is controlled through the MAX7219 using an SPI-style serial interface, typically with data, clock, and chip-select control lines plus power and ground. This lets a microcontroller drive the display without dedicating many GPIO pins.
It is well suited for scrolling text, numeric readouts, symbols, simple animations, timers, counters, robotics status indicators, and home automation panels. The 4-in-1 cascadable design also supports longer message displays when multiple modules are chained.
Check power, ground, data, clock, and chip-select wiring first, then verify the library is configured for a MAX7219 cascaded matrix. If text appears reversed or out of order, adjust the module orientation or display order in software.

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What's included

Features & Specs

MAX7219 Driver Uses the MAX7219 chip for SPI-controlled LED matrix driving in compact electronics projects.

SPI Interface Connects over an SPI interface to add a matrix display without using many microcontroller pins.

Red LED Output Provides a red dot matrix display for scrolling text, numbers, symbols, and simple graphics.

4 in 1 Design The 4-in-1 cascaded module format supports longer message displays, animations, and multi-module signs.

Controller Compatibility Compatible with Arduino, ESP32, and other microcontrollers that support SPI communication.

Project Applications Works well for timers, counters, robotics indicators, home automation panels, and embedded status readouts.

Reference

Documents

Full Product Manual MAX7219 4-in-1 Dot Matrix Display Module (Red) | ShillehTek Product Manual In-depth setup guide with wiring, code examples, and troubleshooting.

Datasheet

Datasheet

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