MAX7219 Dot Matrix SMD Module
Product Description
The MAX7219 Dot Matrix SMD Module is a compact LED display module designed for creating scrolling text, animations, symbols, and graphical displays. It features the MAX7219 LED driver IC and an 8×8 LED dot matrix display, making it easy to control with microcontrollers such as Arduino, ESP8266, ESP32, Raspberry Pi, and STM32. The module uses a simple serial interface, requiring only three control pins, which helps save valuable I/O pins on your controller.
Its modular design allows multiple units to be connected together for creating larger displays, making it ideal for digital clocks, message boards, scoreboards, and DIY electronic projects.
Features
- Driven by MAX7219 LED display driver IC
- 8×8 LED dot matrix display
- SMD design for compact size and reliable performance
- Adjustable brightness through software
- Supports cascading multiple modules
- Requires only 3 control pins (DIN, CLK, CS)
- Low power consumption
- Compatible with Arduino, ESP32, ESP8266, STM32, and Raspberry Pi
- Easy-to-use serial communication interface
Specifications
- Driver IC: MAX7219
- Display Type: 8×8 LED Dot Matrix
- Operating Voltage: 5V DC
- Communication Interface: SPI-like Serial Interface
- Control Pins: DIN, CLK, CS
- LED Color: Red (varies by model)
- Module Size: Approximately 32mm × 32mm
- Cascadable: Yes
Applications
- Scrolling text displays
- Digital clocks
- Electronic notice boards
- Scoreboards and counters
- Animation and graphic displays
- Smart home display panels
- DIY and educational electronics projects