This instructable will help you be able to make your xbee work with your arduino. An Xbee is a small transceiver that sends our serial data that is fed into it. It is very helpful in wireless matters, like data from surveillance, RC toys and more. But if you need to set up an Xbee model, after you know how to do it, its is as easy as 1,2,3.
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Step 1: You Will Need
Xbee to computer serial
Step 2: Hardware
Get your Xbee and put it in your shield and put your shield on the Arduino. Plug the Arduino into your computer, and plug the computer to Xbee adapter into the computer as well.
Step 3: Send Serial From Arduino
Get one of the sample programs that sends serial data to the computer and upload it to the arduino board.
Step 4: Digi Program
Install X-CTU from Digi and open it up. Select the com port the xbee to computer adapter is on then press test/query. If it says that you are connected to it in any way then go to the "terminal" tab. See if you see the Arduino's serial. If you do not, switch the modules and see if it works. (X-CTU can be downloaded from this link: http://www.digi.com/support/productdetail?pid=3352&osvid=57&type=utilities)
Step 5: Done
This was a simple quickstart guide of how to use an xbee with arduino. Thanks If you have any questions ask in the comments section.