Ethernet Shield W5100 for Arduino UNO R3 Mega 2560 1280 A057 -With this Ethernet Shield, your Arduino board can be used to connect to internet. -Can be used as server or client. -Directly plug puzzle board, no soldering required. -It is directly supported by Arduino official Ethernet Library. -It adds a micro-SD card slot, which can be used to store files for serving over the network. -Controller: W5100. -This is the latest version of the Ethernet Shield. -This Arduino Ethernet Shield which is based on the Wiznet -W5100 Ethernet Chip gives you an easy way to get your Arduino Online. -compatible with the Arduino Duemilanove (168 or 328), Uno as well as Mega (1280/2560) and can be accessed using the SD library. -The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP. -It supports up to four simultaneous socket connections. -Use the Ethernet library to write sketches which connect to the internet using the shield. -Fits all version of arduino Main board,2009,UNO, mega 1280, mega 2560. -Size:7cm x 5.4cm x 2.4cm - 2.76inch x 2.12inch x 0.94inch. -MAC address: 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; CCS-3183 Ideal for electronics, Hobby, Raspberry Pi, Arduino experiment We specialize in electronics, computer and cable accessories Pickup Location: "Cable Link" Tel: 613-680-6188