This chapter is all about what happens when you compile an Arduino sketch and how the various header files are used. Hopefully, by the time you have read (and understood) this part of the book, you’ll have a much better idea of what happens during the compilation of an Arduino sketch. However, before we dive into the gory details of a sketch’s compilation, we need to understand a bit about some of the text files that live in and around the $ARDINST directory.
These files are used to set up the IDE’s menu options and to define the AVR microcontroller and Arduino ...
