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1  Forum 2005-2010 (read only) / Interfacing / Re: Setting up xbee on: February 10, 2009, 04:56:34 pm
I'd be interested to hear peoples' experience with the Xbee's range in the home. I've seen the occasional loss of a few bytes with Xbees situated about 3m apart, through walls and ceiling.
2  Forum 2005-2010 (read only) / Exhibition / Re: Burglar Alarm with SMS / Twitter on: February 11, 2009, 04:55:49 pm
Thanks!

It wasn't invasive in this case as my alarm panel provides sockets for wiring into the output signals without soldering. There are 6x 12v outputs, so I just dropped them down to 4v and connected them to the digital inputs on the Arduino. If your alarm panel has similar outputs then you should just need to unscrew the cover and clip your wires in.
3  Forum 2005-2010 (read only) / Exhibition / Burglar Alarm with SMS / Twitter on: February 10, 2009, 04:57:21 pm
I just finished a little project using an Arduino to make my burglar alarm SMS and tweet me with status updates. I've posted details here for those interested:

http://www.kelvinsthunderstorm.com/2009/02/twitter-burglar-alarm/
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