/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-rss-never-say-never-iiWell, I figured it out! Since I am using an Arduino Mega with 4 serial ports so what's the problem? All Slaves and Controllers use RJ-45 connectors and ethernet cable. There is very little magic here as Arduino has built-in drivers for the serial ...en-USTelligent Community 12