Multi channel USB camera with Jetson

[DaneLLL]

Hi,
This is limitation of default board. Please refer to the topic:

connected more than two usb cameras problem on deepstream-app (Jetson Nano Dev Kit)

Hi, With further investigation, we found bandwidth limitation is hit in using USB2(High-Speed) cameras. High-Speed limit is 480Mbps. In the test, two E-Con See3CAM_CU135 are USB3(Super-Speed) cameras. Please use USB3 cameras to get 5Gbps bandwidth.

So you may need to design a custom board to get enough USB3 bandwidth. Or use the m2 slot for extension. Check if there is m2 usb adapter. It is M.2 E key slot on Nano and looks like there is no such adapter. May not be able to utilize the M2 slot on devkit for this usecase.