Raspberry Arduino Interface
Install Avrdude
Sudo apt-get install avrdude
Command Line raspberry to program Arduino Mega 2560
avrdude -C/etc/avrdude.conf -v -patmega2560 -cwiring -P/dev/ttyACM0 -b115200 -D -V -Uflash:w:/home/pi/Arduino/FM0_Serial0.hex:i