MAX7219X4
Features
- 4 displays
- 32 digits
- Can display decimal, hex values
- Each display has 8 of 7 segment LED displays
- "Blue" card
Programming
- MAX7219X4 Arduino GitHub repository
- Arduino UNO pin 12 is connected to the DataIn
- Arduino UNO pin 11 is connected to the CLK
- Arduino UNO pin 10 is connected to LOAD