MAX7219 Dot Led Matrix Module 4 In 1 Display with 5P Line Module

The MAX7219 4-in-1 Display Dot Matrix Module is an integrated display driver that allows you to control multiple 8x8 LED matrices using a simple serial interface. Here's a summary of its features and specifications:

  Features:  

• Integrated serial input/output common-cathode display driver.
• Can be connected to a microprocessor to control 7-segment digital LED displays with 8 digits, bar graph displays, or 64 separate LEDs.
• Includes a B-type BCD encoder chip and multi-channel scanning loop segment word driver.
• Features a static RAM 8x8 for storing each data.
• Requires only three communication wires from the microcontroller.
• Supports cascading multiple matrix LED modules.
• Compact size with PCB featuring M3 mounting holes.

  Specifications:  

• Driver Chip: MAX7219
• Input Voltage: 5V
• Operating Current: 320 mA
• LED Color: Red
• LED Display Dimensions: 32x32x6 mm (LxWxH)
• Weight: 55 grams

  Wiring Instructions:  

• Connect the left side of the module to the input port and the right side to an output port.
• When controlling a single module, connect the input port to the CPU.
• For multiple cascaded modules, connect the input and output terminations to the CPU and subsequent modules as per the cascading sequence.

  Pin Description:  

• VCC: 5V
• GND: Ground
• DIN: Data input (connects to the microcontroller's P2.2 pin)
• CS: Chip select (connects to the microcontroller's P2.1 pin)
• CLK: Clock (connects to the microcontroller's P2.0 pin)

  Package Includes:  

• 1 x 4-in-1 Dot LED Matrix Module
• 1 x Connecting Wire

The MAX7219 4-in-1 module is a versatile and easy-to-use solution for driving multiple LED matrices, providing users with control over all 64 LEDs with just a few communication wires to the microcontroller.