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Communicating over Ethernet

For this final chapter, you are going to take a look at how to connect your Arduino to your router so that data can be sent over an Ethernet cable. By doing this, you can read it from elsewhere on your network. You can also send data out to the Internet so it’s viewable via a web browser. You will be using the official Arduino Ethernet Shield or an Arduino Ethernet to accomplish this.

The ability to connect your Arduino to a network or the Internet opens up a whole new list of potential projects. You can send data to web sites, like posting Twitter updates. You can also control the Arduino over the Internet or use the Arduin...


Cover of Beginning Arduino, Second Edition


Communicating over the Internet