Arduino Italy Nano ATmega328P Micro Controller Board Electronic Hobby Kit

It has more or less the same functionality of the Duemilanove, but in a different package. Physically, it's missing the power jack, but it can still sense and switch to the higher potential source of power. It's perfect for embedding into your next project. is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. can be used to develop stand-alone interactive objects or can be connected