GPIO UART serial communication scrambled data

[shgarg]

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Unreliable serial communcation via the UART TX/RX GPIO Pins

It’s been over three weeks and I’m still unable to make a simple and stable Serial communication via UART TX/RX work between an Arduino and the Jetson Developer Kits (Xavier NX or the Nano). Initially, I managed to make things work on the Jetson Xavier NX, on port /dev/ttyTHS0 via GPIO pins 8,10. After disabling nvgetty everything seemed to work well. I then tried to replicate the same setup on the Jetson Nano (as we will need multiple boards for our research) but the serial data is scrambled…