Subject:
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Re: Sharing USB cable between IR and VC?
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 17 Jan 2001 14:31:58 GMT
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Highlighted:
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In lugnet.robotics, Dean Husby writes:
> Hao-yang Wang wrote:
>
> > The Vision Command camera is connected to the PC using USB. In RIS 2.0 the
> > IR tower will use USB too. Can I put both the VC camera and the IR tower on
> > the mobile robot, and make them share the same umbilical cord to the PC?
> > Will I also need to put a "hub" or something like that on the robot?
> >
> > Cheers,
> > Hao-yang Wang
>
> If I understand USB you will need a HUB. You can't just splice them together.
>
> Dean
> --
> Coin-Op's For Sale!: http://www.akasa.bc.ca/tfm/coin-op.html
> Dean's Lego Workshop: http://www.akasa.bc.ca/tfm/lego_wr.html
> Vancouver Lego Club: http://www.akasa.bc.ca/vlc
It seems there are possibility because :-
1. There are actually a USB hub inside the CAM. Both the logitech cam and
mic are connected to this hub. (That's why you find 3 devices in the windows
9.x after you installed the driver)
2. The case material is transparent. It means a IR or light signal can
passthru and reach the RCX.
Camus
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Message has 2 Replies:
 | | RE: Sharing USB cable between IR and VC?
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| Probably not a good idea. First, unless you replace the cable on the camera, you'll have to roll it up and carry it on your robot. USB cables have a minimum length, so you need another rolled up USB cable carried on your robot to connect the tower (...) (23 years ago, 17-Jan-01, to lugnet.robotics)
| | | Re: Sharing USB cable between IR and VC?
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| (...) 1. The "hub" inside the camera will not help you unless it actually has additional "ports" on it. It's probably a one port "USB Hub" which is present as a result of logitech using someone else's USB solution instead of developing a custom (...) (23 years ago, 18-Jan-01, to lugnet.robotics)
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