MAX7219 Dot Led Matrix Module

MAX7219 8×8 LED Dot Matrix Display Module is a compact and versatile display module that combines an 8×8 LED matrix with the MAX7219 driver IC. This module provides an easy way to add bright, controllable LED displays to your projects with minimal wiring. It’s commonly used for scrolling text, simple graphics, and status indicators in Arduino, Raspberry Pi, and other microcontroller projects.

Key Features of MAX7219 LED Matrix Module:

• • Integrated Driver: MAX7219 chip handles all display control
  • Bright LEDs: High-intensity red LEDs with adjustable brightness
  • Simple Interface: SPI-compatible 3-wire serial interface
  • Cascadable Design: Multiple modules can be daisy-chained
  • Low Power Operation: Suitable for battery-powered projects

Technical Specifications of MAX7219 Module:

• • Display Type: 8×8 red LED matrix
  • Driver IC: MAX7219
  • Interface: SPI (DIN, CLK, LOAD/CS)
  • Operating Voltage: 5V DC
  • Current Consumption: 320mA (all LEDs on at max brightness)
  • Brightness Control: 16 adjustable levels
  • Refresh Rate: 800Hz typical
  • Dimensions: 50mm × 32mm × 12mm

Mechanical Characteristics:

• • Dimensions: 50mm × 32mm × 12mm (including headers)
  • Weight: Approximately 15 grams
  • Material: FR4 PCB with plastic LED diffuser
  • Mounting: 4 corner mounting holes (3mm diameter)
  • Color: Red LEDs with black PCB

Pinout and Connection Diagram:

• • Pinout:
    • VCC: 5V power input
    • GND: Ground connection
    • DIN: Serial data input
    • CS/LOAD: Chip select/Load pin
    • CLK: Clock input
    • DOUT: Serial data output (for cascading)
  • Connection: Connects to microcontroller using just 3 wires (DIN, CLK, CS) for basic operation, with DOUT used when cascading multiple modules.

Applications:

• • Scrolling Displays: For messages and simple animations
  • Game Interfaces: Pixel-based game displays
  • Information Panels: Status indicators and data visualization
  • Educational Projects: Learning about LED matrices and SPI communication
  • Prototyping: Rapid development of display-based projects

Equivalent and Related Products:

• • MAX7221 LED Driver: Similar functionality with extended temperature range
  • HT16K33 LED Driver: Alternative LED driver with I2C interface

Datasheet:

• • Download MAX7219 Datasheet

Keywords:

• • MAX7219 LED Matrix
  • 8×8 LED Display
  • Dot Matrix Module
  • SPI LED Display
  • Arduino LED Matrix

Package Includes:

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