mọi người giúp em https://forum.arduino.cc/categoriesfix lỗi này mới ạ
Xin vui lòng đăng bài bằng tiếng Anh, thật không may là không có diễn đàn con nào bằng tiếng Việt.
I moved your topic to an appropriate forum category.
In the future, please take some time to pick the forum category that best suits the subject of your topic. There is an "About the _____ category" topic at the top of each category that explains its purpose.
This is an important part of responsible forum usage, as explained in the "How to get the best out of this forum" guide. The guide contains a lot of other useful information. Please read it.
Thanks in advance for your cooperation.
please, please never ever again post pictures of text... Not only they are not readable nor usable directly for copy&paste but they use up lots of storage and internet bandwidth which contributes to polluting the planet.
➜ do your part and do yourself a favour and please read How to get the best out of this forum and modify your post accordingly (including code tags and necessary documentation for your ask).
Your issue might be that you have 2 LCD libraries with the same name and probably the wrong one is used.
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