When you compile your ‘sketch’ with the Arduino IDE one of the steps it takes is to quietly compile, on-the-fly, all the library files that supply the popular classes and functions such as Serial, digitalWrite, analogWrite etc. The reason the IDE does it like this is because the...

For many hobbyists the first AVR integrated development environment (IDE) that they will encounter will be the Arduino IDE. The Ardunio IDE goes out of its way to make it easy for you to quickly bash out test code and get it up and running as fast as possible without having to worry too much...