He hit .
: Sometimes the "core" files for your board need updating. Go to Tools > Board > Boards Manager download wire.h library for arduino
, search for your board (e.g., "Arduino AVR Boards"), and click if available. Corrupted Installation He hit
Before attempting any download, check if the library exists on your system. search for your board (e.g.
wire.h - it's not listed in my installed libraries - Arduino Forum