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Product Name: MAX7219 4 Channel Dot Matrix Display Module

This 4-in-1 Dot Matrix Display module is based on the **MAX7219 LED driver** and includes **four 8×8 red LED matrices** connected in a row, forming a 32×8 display. Designed for **Arduino, ESP32, and Raspberry Pi**, the module uses a **3-wire serial interface** and supports **daisy chaining** multiple modules for scrolling or expanding messages. Each individual dot (LED) is addressable, allowing custom characters, animations, or full messages.

Specifications:

Display Type	4 × 8×8 Red LED Dot Matrix
Total Matrix Size	32 × 8 pixels (256 LEDs)
Driver Chip	MAX7219
Display Color	Red
Interface Type	3-wire SPI (DIN, CLK, CS)
Operating Voltage	4.5V to 5V DC
Module Dimensions	128 × 33 × 15 mm (L × W × H)
Mounting Holes	M3 compatible
Chaining Capability	Yes, supports daisy-chaining

Pinout Configuration:

Pin	Label	Description
1	VCC	+5V Power Supply
2	GND	Ground
3	DIN	Serial Data Input
4	CS	Chip Select / Load
5	CLK	Serial Clock Input

How to Use:
1. Connect the module to your Arduino using **DIN (D11), CLK (D13), CS (D10)**. 2. Use libraries like **MD_Parola** or **MD_MAX72xx** to control the display. 3. Edit the hardware config in the library header to match **FC-16 layout**. 4. Upload example sketches like "Parola_Scrolling" to test scrolling text. 5. You can chain multiple modules by connecting DOUT of one to DIN of the next.

Using Purposes:

• Scrolling message displays
• Clock, temperature, and sensor value displays
• Arduino-based visual dashboards
• Digital notice boards
• Custom animations or counters

Please Note: Product information has been collected from various sources across the web. While we have made every effort to ensure the accuracy of the information presented, slight variations may still occur. Kindly verify the specifications and compatibility before using this product.