Hi all, I have built the avr-gcc tool chain under Solaris and am able to write and burn simple blinking led programs to my Arduino Duemilanove board with avrdude and a avrispmkII SPI programmer. I now would like to establish communication between the Duemilanove board and my host (Solaris 10). I could try RS232 but that would mean that i have to physically separate the TxD, RxD lines from the ATMEGA to the USB-chip and instead solder some MAX232 to the board. Since the Ultra 20 Workstation (Solaris 10) I am using for programmming the board via SPI does not even have a serial port, I am prefering to communicate with the board via TCP. I have the Arduino Ethernet Shield board but no idea how to use that. All samples I have found so far are for Arduino sketches. Since I am programming on the command line with pico, make, aavr-gcc and avrdude, I need to do this differently but how? Any example for that? Help (Example code, Example Makefile) would be greatly appreciated! Thanks a lot!!!