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Arduino Ethernet Shield R3

by Arduino

Price: $33.82 & FREE Shipping on orders over $35. Details
In Stock.
  • Allows an Arduino board to connect to the internet
  • Based on the Wiznet W5100 ethernet chip
  • Supports up to four simultaneous socket connections
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6 new from $26.99 3 used from $30.71



Product Description

Description: The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100 ethernet chip providing a network (IP) stack capable of both TCP and UDP. The Arduino Ethernet Shield supports up to four simultaneous socket connections. Use the Ethernet library to write sketches which connect to the internet via a standard RJ45 Ethernet jack using the shield.

The latest revision of the shield adds a micro-SD card slot, which can be used to store files for serving over the network. It is compatible with the Arduino Uno and Mega (using the Ethernet library). You can access the on-board SD card slot using the SD library which is included in the current Arduino build.

The latest revision of the shield also includes a reset controller, to ensure that the W5100 Ethernet module is properly reset on power-up. Previous revisions of the shield were not compatible with the Mega and need to be manually reset after power-up. The reset button on the shield resets both the W5100 and the Arduino board.

Arduino communicates with both the W5100 and SD card using the SPI bus (through the ICSP header). This is on digital pins 11, 12, and 13 on the Duemilanove and pins 50, 51, and 52 on the Mega. On both boards, pin 10 is used to select the W5100 and pin 4 for the SD card. These pins cannot be used for general i/o. On the Mega, the hardware SS pin, 53, is not used to select either the W5100 or the SD card, but it must be kept as an output or the SPI interface won't work.


Product Information

Expand all Collapse all Technical Details
Brand NameArduino
Item model numberRev3
Item Weight2.1 ounces
Item Dimensions L x W x H4 x 1 x 3 inches
  
Additional Information
ASINB006UT97FE
Shipping Weight3 ounces (View shipping rates and policies)
Date First AvailableMarch 29, 2009
  
Warranty & Support
Amazon.com Return Policy: You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellableRead more condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
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Customer Questions & Answers

Customer Reviews

It worked great right out of the box.
Gerald P.
The demo apps included on the Arduino web site had my we server up and running quickly.
Jon Ormond
One pin was slightly bent, easily straightened.
Richard

Most Helpful Customer Reviews

6 of 6 people found the following review helpful By MJustYQ on October 29, 2013
Verified Purchase
Be advised that this particular model shield (R3) has a bug that gets in the way of uploading sketches. Remedies include either unplugging the shield from the base Arduino board before uploading, or hit the reset button immediately after the "Uploading..." message appears in the Arduino IDE.

If you plan on using the Simulink support package with this shield, the only remedy is to unplug the it from the base board (hitting reset won't do it).

Otherwise, this Ethernet shield seems to work as intended. Good luck.
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5 of 5 people found the following review helpful By Adam Fuson on March 11, 2013
Verified Purchase
I want everything on the network (maybe not the web, but at least network accessible) and so having the arduino accessible with a network shield is amazing. There is plenty of sample code as expected with Arduino to make this shield either a webserver or a web client, and so i can get whatever data I want from my arduino to a database server or other host.

These are powerful little products. An extra thought is if more power or a more standard "computer" is necessary, consider an android based micro-computer. If less power is needed, perhaps consider a picaxe, rather than an arduino.

Either way I am impressed.
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8 of 9 people found the following review helpful By West Coast Professional on December 27, 2012
Verified Purchase
I stacked this on my Arduino UNO, hooked it up to a Ethernet cable, downloaded a sample sketch to get the time from an internet server, and it worked immediately. What more could you ask for? It is exactly what it is supposed to be.
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2 of 2 people found the following review helpful By Kevan Kumar on November 29, 2013
Verified Purchase
Works excellent when paired with the Arduino. This coupled with an external WiFi adapter that simply plugs in gives your ardunio cheap and easy wireless capabilities and better range than the WiFi shields.
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1 of 1 people found the following review helpful By Wayne Tafuro on June 14, 2014
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Yu can't beat the quality of Arduino branded equipment like this. I have never had a failure on an Arduino product made in Italy to date and I use quite a few of them. A little more expensive but well worth it.
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1 of 1 people found the following review helpful By Jeffery F. Benson on April 28, 2013
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Highly recommended. Very cool, very user friendly.
Easy to program and manipulate.
Can't wait to see what else they plan to come up with
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Verified Purchase
I love having the ability to control my Arduino UNO R3 from any computer, tablet, or phone on the network with this. I recommend getting this for your Arduino if you want to add remote functionality to it in a place where you can run a cat 5/6 cable. After scouting Google for a bit, I was able to use some example code to power a fan from a networked computer's web browser or telent session (tel-netting to port 80). My wife was particularly fond of being able to troll me by turning my fan on and off from her laptop in the other room. The fan was hooked up to one of the four relays on the four-relay Sainsmart board for Arduino that I also purchased on Amazon (great product as well). I better not give my wife too much information about the web commands when I build a more in-depth project or she may end up hurting herself or someone else with the kind of fun she is having with this thing!
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2 of 3 people found the following review helpful By Jon Ormond on January 12, 2013
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Had great luck with this shield. The demo apps included on the Arduino web site had my we server up and running quickly. I'm now extending it to use the onboard SD card for more storage. Fun!
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Most Recent Customer Reviews


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Arduino Ethernet Shield R3 + Arduino UNO R3 board with DIP ATmega328P + Wall Adapter Power Supply - 9V DC 650mA
Price for all three: $55.87

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