Update Usage authored by Felix Kopp's avatar Felix Kopp
Using the seven segment display driver is rather simple: You can display hex numbers from `0x0` to `0xF` by writing the corresponding **ASCII character** (*not* the raw number!) into the character device file located in `/dev/sevenseg`. Example usage:
Using the seven segment display driver is rather simple: You can display hex numbers from `0x0` to `0xF` by writing the corresponding **ASCII character** (**not** the raw number!) into the character device file located at `/dev/sevenseg`. Example usage:
```bash
root@raspberrypi:~# echo 3 > /dev/sevenseg
......
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