Use the Ethernet library to write sketches which connect to the internet using the shield.
<br />It is directly supported by Arduino official Ethernet Library.
<br />accessed using the SD library.
<br />This Arduino Ethernet Shield which is based on the Wiznet W5100 Ethernet Chip gives you an easy way to
<br />This is the latest version of the Ethernet Shield.
<br />Fits all version of arduino Main board,2009,UNO, mega 1280, mega 2560.
<br />MAC address: 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE,0xED };
<br />The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP.
<br />It adds a micro-SD card slot, which can be used to store files for serving over the network.
<br />With this Ethernet Shield, your Arduino board can be used to connect to internet.
<br />Size:7cm x 5.4cm x 2.4cm - 2.76inch x 2.12inch x 0.94inch.
<br />Can be used as server or client.
<br />It supports up to four simultaneous socket connections.
<br />Directly plug puzzle board, no soldering required.
<br />Controller: W5100.
<br />get your Arduino Online.
<br />It is compatible with the Arduino Duemilanove (168 or 328), Uno as well as Mega (1280/2560) and can be
<br />Package Included:1 x Ethernet Shield W5100 For Arduino Main Board 2009 UNO ATMega 328 1280 MEGA2560
<br />Note:Due to the resolution of the computer screen is different,
<br />the physical colors may be different from the picture, 
<br />which is a normal phenomenon, 
<br />please mind the buyer carefully to buy