The Arduino UNO and Arduino Mega 2560 update the Duemilanove and ... out there that you can use and we look forward to new projects using these tools.

The Arduino is no exception to this trend ... This makes it an excellent choice for any project which involves sending keyboard, mouse, or other peripheral information to a computer.

The Uno also has a limited number of pins, making it difficult to work with when the project requires plenty of input and output components. However, these two areas are where the Arduino Mega shines.