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LED Display Module 4-in-1 Dot Matrix - MAX7219

SKU: YSGOA5ZEUZ
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The LED Display Module 4-in-1 Dot Matrix – MAX7219 is a large programmable LED display module consisting of four 8×8 LED dot matrix displays arranged side by side to create a 32×8 pixel display area. Each 8×8 matrix is controlled by a dedicated MAX7219 serially interfaced LED display driver, allowing the entire module to display scrolling text, numbers, symbols, animations,...
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The LED Display Module 4-in-1 Dot Matrix – MAX7219 is a large programmable LED display module consisting of four 8×8 LED dot matrix displays arranged side by side to create a 32×8 pixel display area. Each 8×8 matrix is controlled by a dedicated MAX7219 serially interfaced LED display driver, allowing the entire module to display scrolling text, numbers, symbols, animations, patterns, sensor readings, and other graphical information.

The MAX7219 driver handles LED multiplexing, current control, brightness adjustment, and display refreshing internally, significantly reducing the processing load and number of GPIO pins required from the microcontroller. The module uses a simple 3-wire serial interface consisting of DIN, CLK, and CS/LOAD signals, making it easy to control all four matrix sections using only a few microcontroller pins.

The four MAX7219 driver stages are connected in a daisy-chain configuration, allowing display data to pass from one section to the next. Multiple 4-in-1 modules can also be cascaded to create longer scrolling message boards and larger information displays. The module is widely used with Arduino, ESP32, STM32, Raspberry Pi, RP2040, PIC, AVR, and other development platforms.

Key Features

  • Four 8×8 LED dot matrix displays in one module
  • Total display resolution of 32×8 pixels
  • Uses four MAX7219 LED driver ICs
  • Individually addressable LED matrix sections
  • Supports scrolling text and moving messages
  • Displays numbers, symbols, graphics, and animations
  • Simple 3-wire serial control interface
  • DIN, CLK, and CS/LOAD control signals
  • Daisy-chain architecture
  • Multiple modules can be cascaded together
  • Built-in LED multiplexing control
  • Programmable display brightness
  • 16 digital brightness levels
  • Hardware and software shutdown modes
  • Built-in display test function
  • Reduced microcontroller GPIO requirement
  • Automatic display refresh by MAX7219 drivers
  • Suitable for message boards and information displays
  • Compatible with popular microcontroller platforms

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Module Type: 4-in-1 LED Dot Matrix Display Module
Driver IC: MAX7219
Number of Driver ICs: 4
Number of LED Matrices: 4
Matrix Size per Display: 8 × 8 LEDs
Total Display Resolution: 32 × 8 Pixels
Total Number of LEDs: 256 LEDs
Display Arrangement: Four 8×8 Matrices in a Horizontal Row
Display Color: Typically Red, depending on module variant
Operating Voltage: 5V DC
Communication Interface: 3-Wire Serial Interface
Control Signals: DIN, CLK and CS/LOAD
Data Transfer Method: Serial Data with Daisy Chaining
Maximum Serial Clock Frequency: Up to 10MHz at IC level
Brightness Control: 16 Digital Intensity Levels
Scan Limit Control: Programmable
Shutdown Mode: Supported
Display Test Mode: Supported
LED Multiplexing: Automatically Controlled by MAX7219
External Current Setting: Resistor-Based Peak Segment Current Control
Logic Supply Voltage: 4.0V to 5.5V at MAX7219 IC Level
Typical Module Current Consumption: Content and Brightness Dependent
Module Layout: 4 Cascaded MAX7219 Sections
Typical Module Dimensions: Approximately 128mm × 32mm, depending on PCB version
Mounting Type: PCB Module
Cascading Support: Yes
Compatibility: Arduino UNO, Nano, Mega, ESP32, STM32, Raspberry Pi, RP2040, PIC, AVR, 8051 and other compatible controllers

Additional Resources

LED Display Module.PDF

FAQ

1. What is the MAX7219 4-in-1 Dot Matrix Display Module used for?

The module is used to display scrolling text, numbers, symbols, animations, sensor values, clocks, counters, and graphical patterns in embedded electronics and microcontroller projects.

2. What is the resolution of the 4-in-1 MAX7219 Dot Matrix Module?

The module contains four 8×8 LED matrices arranged horizontally, providing a total display resolution of 32×8 pixels and a total of 256 individually controlled LEDs.

3. Can the MAX7219 4-in-1 module be used with Arduino and ESP32?

Yes. The module can be controlled using Arduino, ESP32, STM32, Raspberry Pi, RP2040, PIC, AVR, and other microcontrollers. It uses DIN, CLK, and CS/LOAD control signals for communication.

4. Can multiple 4-in-1 MAX7219 modules be connected together?

Yes. The MAX7219 supports daisy chaining, allowing multiple modules to be connected together to create longer scrolling text displays and larger LED information panels.

5. Can the brightness of the LED matrix be adjusted?

Yes. The MAX7219 provides 16 programmable digital brightness levels, allowing the display intensity to be adjusted through software according to the application and ambient lighting conditions.