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I have a video streaming application which works well on the Raspberry Pi 2. I am trying to switch out the Pi 2 and move everything to a Pi Zero.

When I connect the USB camera to the Pi Zero directly the camera works fine. If I connect the camera and a WiFi adapter to the Pi using a hub, the camera doesn't work. Does anyone have any suggestions on how I can get everything working?

I am using a hub with its own power source.

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    I can't understand your question. Can you try rephrasing it? Commented Mar 17, 2016 at 10:38
  • I am using Raspberry pi 2 and I have an application for real time video streaming. I want to replace Pi2 with Raspberry pi Zero, but as you it has just only one OTG USB port. So, I can not use camera with the wireless keyboard in the same time. When I add the USB hub as a solution, everything works fine except the camera. with the USB hub, I can use wireless keyboard, WiFi, Bluetooth, ect.... Commented Mar 17, 2016 at 13:37
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    Yes, that is right. Commented Mar 17, 2016 at 13:40
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    @Sam4mNewcastle: Please edit the actual question so it makes more sense, rather than adding a bunch of comments to clarify. Commented Mar 17, 2016 at 15:00
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    Have a look at lsusb and see if the camera is shown. If it isn't, you could try the trick that worked for me here regarding stuff connected to a hub on the pi. Commented Jul 13, 2016 at 19:10

2 Answers 2

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It's possible that the webcam doesn't get enough power via the hub. You could try a powered USB hub.

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    Comments on the question indicate it is powered externally (I've edited that into the question itself now). Commented Jul 13, 2016 at 19:08
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Try again with only the camera connected to the USB hub i.e. no keyboard or anything else. If it works then it's a power issue with the hub.

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