ok, i don't know if I'm doing well. i opened arduino program and in menu "Tools->Serial Monitor" had written "5" and hit enter. nothing happens. am i doing it right? i connect and disconnect the board and the menu "Tools->Serial Port" menu doesn't vary.
So, what's next? I have a good solder but is not a soldering station. Had soldered some resistors and transistors in SMD but I'm not an expert.
Thank u very much CrossRoads, I'll keep on waiting for your reply.