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But wait… there’s more! Arduino Ethernet shield in stock!

Ardethshield Lrg
The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100 ethernet chip (datasheet). 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. Please note that the current design of the ethernet shield is not compatible with the Arduino Mega!

The ethernet shield connects to an Arduino board using long wire-wrap headers which extend through the shield. This keeps the pin layout intact and allows another shield to be stacked on top. Arduino uses digital pins 10, 11, 12, and 13 (SPI) to communicate with the W5100 on the ethernet shield. These pins cannot be used for general i/o. The shield provides a standard RJ45 ethernet jack. An Arduino is necessary to use this shield but is not included.

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4 Comments

  1. What’s the story behind the [unsupported] SD Card? It’d come in handy for mini-webserver apps.

  2. Unrelated, but I thought you may be interested – WIRED UK published an article entitled “What if action movies obeyed Newton?” and the heroine of the story is named Ada!

    http://www.wired.co.uk/wired-magazine/archive/2009/10/play/what-if-action-movies-obeyed-newton.aspx

  3. I’m still waiting for something that’ll support IPv6. 🙂

  4. The Wiznet W5100 just supports IPv4. I ported contiki-uipv6 to an ENC28J60 based Ethershield. You find the library with instructions at http://sites.google.com/site/ghoelzl/ipv6ethershield.

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