1Pc MAX7219 4-in-1 8x8 Common-Cathode LED Dot Matrix Display Module Serial Input Output 5V Cascadable Brightness Control 132x33x13 mm for MCU DIY Electronics Projects Scrolling Text

Product Description:

MAX7219 4-in-1 LED dot matrix display module for MCU control. It combines four 8×8 common-cathode red LED matrices for scrolling text, numbers, symbols, patterns, and simple animation displays in microcontroller, embedded, educational, and DIY electronics projects.

Core Selling Points:

Built around the MAX7219 serial LED driver with scan circuitry, segment drivers, and internal 8×8 static RAM for stable LED matrix control. The serial input/output design requires only a few I/O pins and supports cascading through included input and output interfaces for extended displays. Features brightness control, flicker-free display operation, display test mode, and shutdown mode.

Technical Specifications:

Product name: MAX7219 8×8 Dot Matrix Display Module. Driver chip: MAX7219. Display type: 4-in-1 8×8 common-cathode red LED dot matrices. Interface type: serial input/output interface; four-wire serial interface. Operating voltage: 5V. Module dimensions: 132×33×13 mm. Mounting holes: 32 screw holes. Mounting hole diameter: 3 mm. Cascading support: Yes.

Before Purchase:

Confirm your controller supports a 5V serial LED display connection and has available I/O pins. This module is designed for common-cathode 8×8 LED matrix control and provides input/output interfaces for cascading multiple modules.