USB issues with A603 Carrier board and Jetson Orin NX 16GB

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Hi @afrivas , I`m also drone developer.

Could you try change the permission?

ls -l /dev/ttyTHS*
#crw-rw---- 1 root dialout 240, 1 Nov 22  2023 /dev/ttyTHS1
#crw-rw---- 1 root dialout 240, 2 Nov 22  2023 /dev/ttyTHS2
sudo chmod 666 /dev/ttyTHS1
sudo chmod 666 /dev/ttyTHS2
ls -l /dev/ttyTHS*
#crw-rw-rw- 1 root dialout 240, 1 Sep 16 09:36 /dev/ttyTHS1
#crw-rw-rw- 1 root dialout 240, 2 Sep 16 09:36 /dev/ttyTHS2

I got ttyTHS1 serial communication working on the Jetson Orin Nano 8GB on A603.