Arduino have taken the tiny wraps off of the official ethernet shield for their open-source prototyping platform, which adds network connectivity to the device. Based… ...

The problem with using it along with Arduino-based gadgets is that you then need to use something like an Ethernet shield to provide the network connection.

Yes, it’s actually less expensive to use a Raspberry pi as an Ethernet shield than the current Arduino offerings.

Arduino announced a single-pair Ethernet adapter board for its Uno R4 single-board microcontroller at Electronica this morning.

The Ethernet shield gives the user a great interface from the Arduino to the outside world and is on my personal list of shields to buy.