Hi, Im trying to use the rx and tx pin to simulate and replace the USB port on my arduino UNO.. I am using the rx and tx pin of the arduino with a max232 IC.. Everything seems to work fine as i am able to get serial output from the arduino and even give serial input to the arduino. BUt when i try t…

Arduino Serial Communication over rx and tx pin ( pins 0 and 1 )

Nishant_Sood March 4, 2011, 3:57pm 2

You need to Bypass the Firmware Loaded on the UNO's 8u2 Chip as the Loading into the ATmega happen's through it.

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