The ’Arduino IDE’ (version 0018) software functions to create, compile and upload codes for the micro controller. Connection from your computer on the micro controller development board is actually by ’USB’. Software or programming codes developed in the ’IDE’ these are known as sketches, inside the text editor. It also includes a handy serial monitor that acts like Hyper Terminal. In this serial monitor, one can possibly see outputs being printed on your computer and debug easily.