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http://www.teholabs.com/docs/knowledge:uartsaya
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http://openenergymonitor.org/emon/node/54
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https://www.youtube.com/watch?v=anxqgO2BamE
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http://code.google.com/p/sserial2mobile
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http://www.apcc.tk/images/phocagaller...ca_thumb_l_Arduino-ProMini-pinout.png
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http://arduino.cc/forum/index.php?topic=53821.0
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http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1258726587
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http://www.instructables.com/id/Stupid-Simple-Arduino-LF-RFID-Tag-Spoofer
Open source firmware for xbee compliant
http://www.sensemote.com/index.html