Hi, sorry for stupid question(s). Duemilanove has one serial port - right? This port is shared with USB - right? This port is the RX/TX pins - right? RX/TX pins can not be connected to other serial device when sending program over the USB - right? RX/TX pins can be used when program is already…

About serial ports on Arduino duemilanove

zoomkat August 26, 2010, 10:29pm 16

It's not.

Lefty

Not TTL 5v compliant or not required?