Features:
Using the LED dedicated constant current control chip, basically only occupy the Raspberry Pi SPI interface (3 IO + 2 enable) to control 64 LED lights
- Support SPI interface B/B+ involved in Raspberry Pi
- Driver chip: MAX 7219
- Dot matrix type: 8x8 common negative red dot matrix
- Size: 64.3x35x26.5mm
Package Included:
3 x MAX7219 LED Dot Matrix
| Pin number |
Identification |
Description |
| 1 17 |
3.3V |
Input |
| 2 4 |
5V |
Input |
| 3 5 7 8 10 11 12 13 15 16 18 21 22 26 |
NC |
NC |
| 6 9 14 20 25 |
GND |
Power |
| 19 |
MOSI |
data input |
| 23 |
SCK |
Clock signal |
| 24 |
CE0 |
Chip select signal |
