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Ethernet LAN Network Shield W5100 w/ MicroSD Card for Arduino

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Ethernet LAN Network Shield W5100 w/ MicroSD Card for Arduino

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Based on the Wiznet W5100 and 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. It is compatible with the Arduino Duemilanove (168 or 328), Uno as well as Mega (1280/2560) and can be accessed using the SD library.

Product Information
dipmicro Code DE4115
Added 2013-06-05
Manufacturer Generic
Stock Type New
Restockable? No
Shipping Weight 50g / 1.76oz
Ship Cost Canada CP Expedited Parcel C$10
Ship Cost USA USPS First Class $4
Technical Summary
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Packaging bulk

Using Ethernet

The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP. It supports up to four simultaneous socket connections.

WARNING: default WebServer sketch does not initialize SD card chipselect, so the card physically present in the socket may interfere with W5100 chipset. Until you add the SD chipselect initialisation, just remove the card from the socket.

  1. Use the Ethernet library included with Arduino IDE to write sketches which connect to the internet using the shield. Start with WebServer.
  2. You will need to assign a valid IP. Open command prompt and run ipconfig, look for adapter Local Area Connection and use first three numbers of IPv4 and make up the last number between 1-254 but different from your PC.
  3. W5100 does not come with MAC address. MAC should be world-unique but for practical purposes it's acceptable to be local network unique. If you only have single device, you can leave sketch default DE-AD-BE-EF-FE-ED, multiple devices will need network unique MAC.

Using MicroSD Card

Use the SD library included with Arduino IDE to write sketches which read/write to the microSD card. No additional configuration is necessary, the library should work with default configuration.