The senseBox is a do-it-yourself kit for stationary and mobile sensors. With the SenseBox citizens and schools are able to measure environmental data on climate, air quality, traffic, noise, and more position-related and thus contribute to more accurate statements about local environmental phenomena. The is provided data to the Internet as Open Data and visualized map.
The W5500 Ethernet Shield for Arduino from Seeed Studio is a great way to set up your projects with internet connectivity with just a single chip. Similar to the Arduino Ethernet Shield, but with a newer chipset, this ethernet shield supports both TCP and IP Protocols in TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPoE format. The RJ45 ethernet port is also low enough so you can stack another shield on top of it