8×8 LEDs LEDs matrix (max7219) works with SPI protocol and allows you to generate as many drawing as you want and event draw text streams by serial connecting several of them.
- Power: 4.0V ~ 5.5V
- Current consumption: 330mA
- Refresh frequency: 500-1300Hz (800Hz Typ)
- Chip: max7219
- SPI: CS (chip select), DIN (data input), CLK (clock).