MAX7219 is an IC that is used to drive common cathode LED pannels, 7-segment displays and level indicators communicating via SPI interface. This board has a 8x8 dot matrix LED display. Multiple modules can be cascaded using header connections.
Technical specifications:
- 8x8 common cathode display
- Operating voltage: 5V
- Dimensions: 3.2 cm x 3.2 cm x 1.3 cm
- 4x 3mm mounting holes
- Connections: VCC, GND, DIN, CS, CLK