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Thread: DIY – Wireless USB monitor

  1. #1
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    DIY – Wireless USB monitor

    How to build your own wireless USB monitor - We took an IOGear wireless VGA device (GUC2015V), an M1-ATX, a Lilliput 10” monitor and a laptop battery to make a super hacked wireless monitor. If you spent more than an hour on this you could really make this hack usable. We couldn’t get more than 15’ of range out of this with line of sight, but it was fun to try. Based on the amperage of the devices, we could theoretically get a few hours out of this per charge.

    [media]http://vimeo.com/3356905[/media]***Update 2-26-2009
    Other power supplies that could be used:
    The m3-atx is probably a better supply to use for this project.

    How much Power does this use?
    260 milli amps for just the receiver.
    1.1 amps for the receiver and screen.
    Our battery has a capacity at 14.8 volts of 6600mAH.
    Does this mean we get 6 hours of run time? Wow.

    Host CPU Loads tested on my desktop
    DisplayLinkManager is what does the processing for the Wireless VGA adapter.

    Hardware used for testing
    3 year old 2.8 Ghz Pentium D Dual core CPU
    4gb of Ram
    Windows XP
    800x480 output

    CPU Load Results
    0% - CPU load with an idle screen (desktop only)
    0-2% - CPU load with google talk
    2-3% - VLC movie paused
    9%-12% - VLC playing a movie

    [media]http://vimeo.com/3575718[/media]

    Part 2 Video Transcript:

    Hi. My name is Rob Wray with MP3 Car. I told you we would test out this wireless monitor in the car, so for the last hour we’ve been goofing around in the parking lot of our office trying to get this to work. And actually it worked perfectly right off the bat the same way as it did work in our office. I just wanted to do something off-the-wall with it.

    So it’s working perfectly. I happen to have a Centrifuge help video loaded on the monitor right now. We’ve got a great wireless signal. We’ve done some calculations recently. We think this little hack job here can get about six hours of wireless time using the 10” monitor. So that’s pretty exciting. And we’ve been really happy with the video quality playback.

    The first thing that we tried to do to hack it, to make it look kind of cool and newsworthy was to hack in a USB HDTV tuner. So we did that. It worked well except the HDTV won’t play on this monitor. There’s certain things that don’t work well over ultra wideband USB and apparently the GT HD tuner that we sell in our store is one of those things that doesn’t work well.

    We also had some problems with getting StreetDeck to work well wirelessly over ultra wideband, but things like VLC which I used in my previous demo worked wonderfully. You get great frame rate playback, and that sort of thing. So I’m going to go ahead and start this movie here, and you can see that the picture quality’s pretty good.

    So we’ve been pretty happy with this as a solution. The only thing that we’ve seen is that, again it doesn’t support all video formats, and you also get – every now and then you’ll get a little bit of a wiggle over here on the left side. I’m assuming that’s from some type of interference that’s happening as a result of the engine alternator or various other little things. But it was happening before and now it’s completely gone away, so I think it’s almost unnoticeable.

    So try this at home. Thanks for watching our blog.
    Attached Images Attached Images   

  2. #2
    Constant Bitrate
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    Do you have the details on how it was done? If the power is connected directly, can this be used as a secondary wireless (video wise) monitor for a head rest?

  3. #3
    Constant Bitrate
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    rubber bands?? Where you out of duct tape? hahah
    Cool idea though.

  4. #4
    Constant Bitrate
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    Video is set to private, cannot watch.

  5. #5
    Low Bitrate Salmizar's Avatar
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    Not to mention the link to this post seems to be incorrect. 404 error.

  6. #6
    Mo' Programming Mo' Problems
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    Man Rob i need to work for you guys lol. Wonder what other inventions you got goin up there.
    mp3Car.com Senior Tech Blogger (Want a product reviewed? Contact me.)
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  7. #7
    is back. FKA Robert Wray
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    Fixed the 404.
    Fixed the spelling
    Fixed the private video.
    Wow. That was embarrassing.

  8. #8
    Who am I? HiJackZX1's Avatar
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    OMFG, I hate you............ I was actually thinking about something like this. I have a 15 inch for the rear, but the 3rd row seat people, cannot reach the screen. I was thinking of having it be a wireless screen. Why didnt you use a OPUS DC-DC 15 watt PSU, its dramatically smaller, only thin is that you would need 2, one for 12v, another for 5v, but still that would save so much space. Now what can we do to get the touch panel to work wirelessly also. UGHHHHHHH another thing I have to add to my car, pretty soon it will simply blow up from all the devices in it.
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  9. #9
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    the concept for this thing is great. We've only just about sent video through USB and we're already getting working prototypes to send video wirelessly. do you reckon it can be made a bit slimmer in future revisions?

    Si

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    How much Power does this use?

    260 milli amps for just the receiver.
    1.1 amps for the receiver and screen.

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