MAX7219 8×8 Dot Matrix LED Display Module Arduino 5V Red Board

🔧 MAX7219 8×8 Dot Matrix LED Display Module | AuscomTech

A compact red LED matrix board designed for adding clear visual output to Arduino, STM32, 51 MCU, and other microcontroller projects.

The onboard MAX7219 driver controls an 8×8 common cathode display using only three signal pins, reducing wiring and simplifying code.

Ideal for scrolling text, counters, clocks, sensor readouts, status indicators, robotics, and DIY electronics builds.

⭐ Key Features

• 8×8 Red LED Display – provides 64 individual dots for characters, icons, numbers, and basic graphics.
• MAX7219 Driver IC – handles scanning, brightness control, and display data storage.
• Simple MCU Interface – uses DIN, CS, and CLK control lines plus 5V and ground.
• 5V Compatible – suitable for Arduino UNO, Mega, Nano, STM32 boards with suitable logic, and 51 MCU projects.
• Common Cathode Matrix – designed for reliable operation with the onboard display driver.
• Cascadable Design – input and output headers allow multiple boards to be daisy-chained for larger displays.
• Adjustable Brightness – brightness can be controlled through supported software libraries.
• Secure Mounting – four mounting holes allow installation in enclosures, panels, and project frames.

📊 Technical Specifications

• Driver IC: MAX7219
• Display Format: 8×8 dot matrix
• LED Colour: Red
• Matrix Type: Common cathode
• Operating Voltage: 5V DC
• Signal Pins: DIN, CS, CLK
• Power Pins: VCC, GND
• Interface Type: Serial / SPI-style control
• Cascade Support: Yes, via input and output headers
• Module Size: approx. 50 × 32 × 15 mm
• Mounting Holes: 4 holes, approx. 3mm diameter
• Compatible Platforms: Arduino, STM32, 51 MCU, and other suitable microcontrollers

🧩 Typical Applications

• Arduino display projects
• Scrolling message displays
• Digital clocks and timers
• Sensor value readouts
• Robotics status indicators
• DIY electronics kits
• Classroom microcontroller projects
• Cascaded LED panel builds

⚠️ Important Notes

• Requires a regulated 5V DC power source.
• Microcontroller board, jumper wires, and power supply are not included.
• For single-board use, connect the input header to your controller.
• For multiple boards, connect the output of one module to the input of the next.
• Use an external 5V supply when running several boards to avoid overloading the controller.
• Check pin labels before wiring, as cable orientation may vary between projects.

📦 Package Includes

• 1 × MAX7219 8×8 Red Dot Matrix LED Display Module

🔗 Recommended Accessories (Not Included)

• Arduino UNO compatible board – for programming and control
• Jumper wire set – for connecting signal and power pins
• 5V DC power supply – recommended for cascaded displays
• USB programming cable – for uploading sketches to your controller