The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100 ethernet chip providing a network (IP) stack capable of both TCP and UDP.
Arduino is an open-source platform that makes DIY electronics projects easier than ever. Readers with no electronics experience can create their first gadgets within a few minutes.
Want to build your own robots, turn your ideas into prototypes, control devices with a computer, or make your own cell phone applications? It’s a snap with this book and the Arduino open source electronic prototyping platform.