You'll need a separate usb card for each camera, or a card that will
support the full 12 Mbps on each port (such as the Belkin Quadrabus).

See www.maidment.com.au which is running 2 cameras on the Belkin card.


L Hayter wrote:
> 
> Hi,
> 
> Hoping to have two USB cams connected to the same PC and snap shots taken
> every minute or two from each. Wondering if there are any pitfalls anyone
> knows of that might be avoided and/or recommendations on how to get this
> all working.
> 
> If there is a more appropriate place to ask the following questions then
> please point me in the right direction.
> 
> 1) The PC is RH7 with 2.4.2 kernel and USB (audio and video drivers for the
> cams are present) and V4L2. Is there anything else that is required or
> recommended ?
> 
> 2) The cams are Creative CT6840 and Philips PCVC 675K. Both are detected
> and shown in /proc/bus/usb/devices and all show drivers used-by/assigned-to
> them. Are there any known problems with using these cams together ?
> 
> 3) Which apps/tools are recommended for accessing the cams ? The intended
> use is to take regular snap shots so command line non-graphical tools are
> acceptable. Is there a favoured graphical app - just to speed getting
> subjects of the cams lined up and focused ?
> 
> 4) Is there anything else I should be aware of ?
> 
> 5) Has anyone set up more than 2 USB cams ?
> 
> Cheers,
> 
> Luke
> 
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