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Description
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:
1 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 |
