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http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1197235191
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http://www.arduino.cc/blog
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http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
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http://www.dutchtronix.com/Arduino-ClockShield.htm
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http://code.google.com/p/sserial2mobile
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http://allthemods.com/project.php?id=342&page=2
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http://interface.khm.de/index.php/lab...nts/arduino-frequency-counter-library
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http://letsmakerobots.com/node/9006
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http://www.designer2k2.at/index.php?o...er&catid=13:arduino&Itemid=40
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http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1258726587