Better Download Wire.h Library For Arduino Now
If your compiler is throwing an error saying fatal error: Wire.h: No such file or directory , it is almost never because the file is missing from the internet. It is usually one of three problems:
If you want to view the source code or manually verify its existence: Arduino IDE and Wire.h? download wire.h library for arduino
Since the library is a core file, the most reliable way to fix a missing is to perform a clean installation of the latest Arduino IDE Manual Retrieval (Advanced): If your compiler is throwing an error saying