Arduino IDE

To use the Arduino IDE on Fedora 12 you must do a few things:

$ yum install uisp avr-libc avr-gcc-c++ rxtx avrdude

$ cd <path to arduino>/lib 
$ rm librxtxSerial.so RXTXcomm.jar 
$ ln -s /usr/share/java/RXTXcomm.jar 
$ ln -s /usr/lib/rxtx/librxtxSerial.so
$ cd <path to arduino>/hardware/tools
$ rm avrdude
$ ln -s /usr/bin/avrdude

See also: http://www.arduino.cc/playground/Linux/Fedora