BCM2835 Library, for the installation check here: https://www.airspayce.com/mikem/bcm2835/
| MAX7219CNG | Raspberry Pi Zero |
|---|---|
| PIN19(V+) | 5v |
| PIN18(ISET) | GND |
| PIN1(DIN) | PIN19(MOSI) |
| PIN13(CLK) | PIN23(SCLK) |
| PIN12(LOAD) | PIN24(CEO) |
| PIN18(ISET) | connect to 5V with 10kΩ |
| 7-SEG LED | MAX7219CNG |
|---|---|
| PIN-G | PIN17(SEG G) |
| PIN-F | PIN15(SEG F) |
| PIN-A | PIN14(SEG A) |
| PIN-B | PIN16(SEG B) |
| PIN-E | PIN21(SEG E) |
| PIN-D | PIN23(SEG D) |
| PIN-C | PIN20(SEG C) |
| PIN-COM | PIN2(DIG0) |
c++ -o max7219cng_run max7219cng_7seg_led.c -lbcm2835
sudo ./max7219cng_run