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Thread: 2008 Impala SS - The Connected Car

  1. #121
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    Quote Originally Posted by dmiller View Post
    I have the newest Atom, and I wouldn't call it powerful. It doesn't keep up with 2 gps and music at the same time.
    For $80 its a nice bargain.
    I like the i3, board, and memory for about $250. That runs everything but still idles near Atom's power level.
    "powerful" is really relative in this sense. Atom compared to an i3 couldn't be considered powerful. But Atom compared to ARM is.

    With such a low power draw, I imagine two or three of these boards could be used to divide up the work load. I'm not sure about Ubuntu, but don't linux distros (in general) work in clusters if configured to do so?
    If you select your apps carefully, yeah, you can distribute things among a bunch of smaller machines. We wrote nGhost so it would work in a distributed system like this. GPSd, nobdy work the same was for gps and obd-ii, the data from these can be accessed simultaneously from other machines on the network.

    At home I when I compile code, I use "icecream" which is a distributed compiler. It splits up my compile jobs among my desktop with 2 cores and my server with 8. It makes development quite a bit faster. I have no idea if windows has anything even remotely similar.
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  2. #122
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    I remember that 3D Studio back in DOS days had the posebility to let a server do the rendering, and the work PC is free to continue working with models.

    But, clustering in the windows world is not the same as in linux world.
    In a Windows OS, it's the programs that support clustering. In linux, it's the OS in itself that support it.

    Cloud computing = cluster 2.0

  3. #123
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    the igepv2

    The igepv2 board came (friday) and I've been playing with it over the weekend a bit. Initial tests show it drawing about 3.6 Watts. It's roughly the same size as the sheeva board only about 0.5" shorter. It comes with a version of Poky, an embedded Linux OS. I'm testing out a few Linux distros including meego and ubuntu. Hope to get some video up soon.
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  4. #124
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    I've got the igepv2 running in the car as we speak. I left it running all night on the secondary battery and the battery went from 12.8V to 12.6V. At that rate, it should be a couple days of not driving before it dies. Hopefully the solar panel will make that even longer.

    I did run into an issue with the mifi though. Apparently when you have it connected via usb, it goes into "tethering" mode and wifi no longer works. Googling around, I found that you can get a usb charging cable that strips out the data and is just power:



    Second issue is that it takes a while for the mifi to accept that it's activated. I haven't checked today. This means that it's not actually "connected" to the internet . Hopefully that'll be resolved soon.
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  5. #125
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    The USB charging cable is actually really easy to accomplish. Shave off a section of wire on any old USB cable. Inside the cable is a red, black, green, and white wire. Red and black are power 5v red positive/black negative. White and green are data. Chop the green and white wires. Done. With some devices you may need to short the green and white wires on the data side.

    Also what may be beneficial is rather than connecting the mifi to a USB hub, just go straight to the power supply with the red and black wires. This will eliminate the use of a port on the hub and eliminate any inefficiencies between as well.

    Are you able to do port forwarding with the mifi?
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  6. #126
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    Quote Originally Posted by PaulF View Post
    The USB charging cable is actually really easy to accomplish. Shave off a section of wire on any old USB cable. Inside the cable is a red, black, green, and white wire. Red and black are power 5v red positive/black negative. White and green are data. Chop the green and white wires. Done. With some devices you may need to short the green and white wires on the data side.

    Also what may be beneficial is rather than connecting the mifi to a USB hub, just go straight to the power supply with the red and black wires. This will eliminate the use of a port on the hub and eliminate any inefficiencies between as well.

    Are you able to do port forwarding with the mifi?
    you can port forward a number of pre-defined ports. No ssh though .

    Good idea of powering from the power supply. Apparently it's already outputting 5v :P.
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  7. #127
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    Really excited to see the igepv2 in person at AFKfest. I was wondering what you thought of this board after using it for a few weeks now. Would you choose the igepv2 over the sheeva?

    Also, these YouTube videos of igepv2 look promising for running linux based frontends:

    [media]http://www.youtube.com/watch?v=__LYF5XMPqc[/media]

    [media]http://www.youtube.com/watch?v=Qaypv-JhEVI[/media]

  8. #128
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    Quote Originally Posted by matt11601 View Post
    Really excited to see the igepv2 in person at AFKfest. I was wondering what you thought of this board after using it for a few weeks now. Would you choose the igepv2 over the sheeva?
    ]
    Hope you got to see the igepv2 at the afkfest (albeit, just the board). I would choose the igep over the sheeva because it has built in wifi + bt and hdmi. The guruplug+display would be another option, but i don't think it's available yet.
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  9. #129
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    all in one anyone?

    So thinking about this, it would be pretty awesome to combine a bybyte case, the igepv2, a lilliput dvi/hdmi monitor, the dcdc-usb and a powered hub in an all in one unit. It could cost less than $600 to make. Then add something like meego on it + the openice apps.

    There may be enough room even for a boomzbox and some scantool hardware....

    I'm already working on getting meego and the openice apps running on it. I still need a hdmi monitor though (innovation grant perhaps?).
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  10. #130
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    Quote Originally Posted by tripzero View Post
    So thinking about this, it would be pretty awesome to combine a bybyte case, the igepv2, a lilliput dvi/hdmi monitor, the dcdc-usb and a powered hub in an all in one unit. It could cost less than $600 to make. Then add something like meego on it + the openice apps.

    There may be enough room even for a boomzbox and some scantool hardware....

    I'm already working on getting meego and the openice apps running on it. I still need a hdmi monitor though (innovation grant perhaps?).
    This sounds pretty cool. Now size wise, how big is it? If it is very small it would make cool personal units for each seat. Maybe fully built into it.

    I just finished one of my rear systems and the thing that is killing me is that it takes up space I do not want to loose. I think at this point, everyone is looking for a small form factor.
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