MAX7219 Dot Matrix 4in1 Display Module

The Max7219 4-in-1 Dot Matrix Module is a compact and efficient display module that integrates four 8×8 LED dot matrix displays driven by the MAX7219 IC. It is designed for use in various applications requiring clear and bright display of characters, numbers, and symbols. The module can be easily controlled via interface, making it ideal for microcontroller projects, including Arduino and Raspberry Pi.

Features:

• Integrated Driver IC: Uses the MAX7219 IC for controlling the LED matrices.
• Daisy-Chain Capability: Multiple modules can be daisy-chained for larger displays.
• Easy Interface: Controlled via 
• interface for simple integration with microcontrollers.
• Adjustable Brightness: Programmable brightness control with 16 levels of intensity.
• Low Power Consumption: Efficient power usage due to integrated LED drivers.
• Clear Display: Provides a bright and clear display with 256 LEDs across four 8×8 matrices.

Technical Specifications:

• Matrix Configuration: 4 x 8×8 LED dot matrices
• Driver IC: MAX7219
• Control Interface: (Serial Peripheral Interface)
• Operating Voltage: 5V DC
• Dimensions: 128mm x 32mm x 13mm (approx.)
• Mounting Holes: Four corner holes for easy mounting
• LED Color: Red (standard), other colors available depending on version
• Current Consumption: ~320mA at full brightness
• Communication Protocol: 3-wire (DIN, CS, CLK)

Applications:

• Text Display: Ideal for scrolling text messages, banners, and notices.
• Numerical Display: Suitable for digital clocks, counters, and scoreboards.
• Symbol Display: Perfect for displaying symbols and custom graphics.
• DIY Projects: Excellent for hobbyist and maker projects requiring visual output.
• Educational Use: Useful in teaching and learning about microcontroller interfacing and display technologies.