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Update Readme.md

update clear line number method
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armlabs 2022-02-16 02:49:01 +00:00 committed by GitHub
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@ -56,15 +56,15 @@ $ ./ssd1306_bin -I 64x48
### clear display
- clear 1st line
```sh
./ssd1306_bin -c 0
./ssd1306_bin -c0
```
- clear 2nd line
```sh
$ ./ssd1306_bin -c 1
$ ./ssd1306_bin -c1
```
- clear 4th line
```sh
$ ./ssd1306_bin -c 3
$ ./ssd1306_bin -c3
```
- clear whole screen
```sh