8*8 LED Dot Matrix Display Module with MAX7219

Specifications 

• Power supply: 5V

• Maximum current design: 300 mA

• Communication interface: SPI (3 digital pins or hardware SPI interface)

• LED color: RGB tri-color LEDs

• Assembled 8×8 matrix display

• Applications: Useful for industrial and commercial information displays as well as hobbyist human-machine interfaces

• Direct Arduino support

• Simplified driving design

• Daisy-chain connection design – vertically and horizontally at the same time

• High-speed data transmission design to improve display refresh rate

• Weight: 20.9 g

• Dimensions: 50 mm × 31 mm × 13 mm