Follow these steps:
1. Connect the USB camera to Huddle Hub
2. Launch the Huddle Hub app
3. Install the Huddle Hub virtual drivers on your laptop/computer
(click on the 3-dots menu, choose Settings -> Drivers -> Install drivers)
This requires admin privileges for the user.
4. Join the room that has the USB camera connected
5. From the VC software client (Skype, Zoom, etc.) select the Huddle Hub drivers as the audio and video sources.