http://www.arduino.cc/ http://en.wikipedia.org/wiki/Arduino http://www.arduino.cc/en/Main/Buy http://pcb-europe.net/catalog/index.php?cPath=29 http://www.arduino.cc/en/Main/Software http://www.arduino.cc/en/Tutorial/HomePage http://itp.nyu.edu/physcomp/Tutorials/Tutorials http://www.tigoe.net/pcomp/code/archives/avr/arduino/index.shtml http://todbot.com/blog/2006/12/06/arduino-serial-c-code-to-talk-to-arduino/ English forum http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl Spanish forum: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?board=espanol timer stuff: http://www.grayfuse.com/blog/wp-content/code/serial_in_timer.pde http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1176174809/2#2