connect two ardui

Forum 2005-2010 (read only) Hardware Development
2

i couldn't find information on the site but see Mellis' answer here :
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1159424394

Arduino or the Atmega8 on it uses TTL serial, which is ~0V and ~+5V for LOW/HIGH.

kuk