注意:
1.
LVGL一共有两个版本，只能使用其中一个，如果测试LVGL8示例，需要把LVGL8目录下的文件放到arduino库路径下，
使用LVGL9示例，需要把LVGL9目录下的文件放到arduino库路径下，
两者互斥关系




2.
其他库直接拷贝到arduino库路径下


Note:
1.
There are two versions of LVGL, and only one can be used at a time.
To test the LVGL8 examples, you need to copy the files from the LVGL8 directory into the Arduino libraries folder.
To use the LVGL9 examples, copy the files from the LVGL9 directory instead.
The two versions are mutually exclusive.



2.
Other libraries can be copied directly into the Arduino libraries folder.


