Quote Originally Posted by Mjolinor View Post
Th 8U2 processor is very voltage intolerant unlike the 2560. My Wanhao has stuffed the USB serial so I just bought another stand alone USB<>serial and picked up the TX and RX lines from the board itself.
Interesting idea...I'm not super familiar with the pinout on a Taurino 2560...which pins are TX/RX for serial? I think i have an extra USB to Serial cable lying around somewhere.