Code completion is a simple enhancement that saves keystrokes and prevents errors by adding closing braces, quotes, brackets, parentheses, etc.

For Arduino beginners like us, this is where you paste the code from other people's projects. When you send the code to the Arduino from your computer, the code is stored on the Arduino itself.

V-USB (Virtual USB) is especially useful for those of us who build standalone Arduino projects with the ATMEGA328. Unlike the Arduino Leonardo and its ATMEGA32U4, the ATMEGA328 does not have a ...