I need some help with the USB Camera and Nvidia Jetson

Hi,
Please follow the guidance to check if the camera can be successfully launched:

Jetson Nano FAQ
Q: I have a USB camera. How can I launch it on Jetson Nano?

If yes, please apply the same pipeline to the python sample:
V4l2src using OpenCV Gstreamer is not working in Jetson Xavier NX - #3 by DaneLLL