Ethernet Shield Web Lan Internet Chat Generic 100% compatible with Uno and Mega

The Arduino Ethernet Shield connects your Arduino to the internet in mere minutes. Just plug this module onto your Arduino board, connect it to your network with an RJ45 cable (not included) and follow a few simple instructions to start controlling your world through the internet. As always with Arduino, every element of the platform – hardware, software and documentation – is freely available and open-source. This means you can learn exactly how it's made and use its design as the starting point for your own circuits. Hundreds of thousands of Arduino boards are already fueling people’s creativity all over the world, everyday. Join us now, Arduino is you!

• Requires an Arduino board (not included)
• Operating voltage 5V (supplied from the Arduino Board)
• Ethernet Controller: W5100 with internal 16K buffer
• Connection speed: 10/100Mb
• Connection with Arduino on SPI port

* Examples of projects available in the community:

• ChatServer: Server online conversations.
• WebClient: Make a http client.
• WebClientRepeating Make http requests repeatedly.
• WebServer: Hosts a simple HTML page that displays the values of analog sensors online.
• XivelyClient: Xively.com connection, a site free datalogging.
• XivelyClientString: send string of letters to Xively.com.
• BarometricPressureWebServer: Sends the values of a barometric pressure sensor in an online server.
• UDPSendReceiveString: Sends and receives text strings through the UDP protocol.
• UdpNtpClient: Get data from a servisor Network Time Protocol (NTP) using UDP.
• DnsWebClient: Client Web-based DNS and DHCP.
• DhcpChatServer: A DHCP server chat simple.
• DhcpAddressPrinter: Obtain an IP address via DHCP and print.
• TelnetClient: Telnet Client simple.