Multiple usb cameras

hai everyone,
i am planning to add one more low light usb camera to my ROV, can you suggest a suitable method to do that, since QGC support single camera.

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Haven’t tried it myself, but my understanding is that QGC actually does support a second camera and you can connect it to the other USB port on the Pi. Can anyone confirm?

Yes, QGC does not support multiple cameras right now, this is a working in progress feature.
To use multiple cameras, you could use VLC or OBS to receive and deal with multiple streams.
For more information, check this discussion here:

i am able to use IP camera without any problem, but as you know compared to low light USB camera,IP cameras are bulky and power consuming. if it was a USB type, it would be easy to handle and integrate on ROV.

thank you