Hi,I'm longing to build a quadcopter having seen lots of video demos!  I have an electronics background and I'm handier than most so I don't see any real difficulties but I have some questions:I have seen mention of a manual but I can't find where to obtain this - directions please?I already have an Arduino Mega 1280 left over from another project - can I used this?  All references seem to be to a 2560 or a Nano.I don't have any suitable R/C kit (my old 4 chan died) so is it possible to fly a…See More