usb mount c930
sudo apt install ros-melodic-usb-cam
v4l2-ctl --list-devices
rosrun usb_cam usb_cam_node
rviz #topic visualization
darknet_ros 설치 (yolo와 연동되는 ros, yolo 버전 맞는것을 찾아야함)
github yolo_v4_trt_ros —opencv version 주의
https://medium.com/@ramin.nabati/installing-an-nvme-ssd-drive-on-nvidia-jetson-xavier-37183c948978
[Jetson] Build OpenCV 3.4 on jetson AGX Xavier
[Jetson] Nvidia Jetson TX2/AGX + SD card Jetpack 설치