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Thread: Computer in Car? Let's reverse it..

  1. #1
    Constant Bitrate captain_jim1's Avatar
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    Computer in Car? Let's reverse it..

    So, I was thinking .. why not take some car components and put them in the computer. I took an old Panasonic HU that I had and ran the power lines into the 12v lead on a Molex Connector .. and the ground into the ground on the same connector -- tada -- Head Unit comes alive!



    I can't see any danger in this and the geek factor is way high. Right now I have 2 Kenwood speakers wired up to it, but am thinking about making some sort of an adaptor that can plug into the sound card.

    I also want to now mold this into the case. It requires cutting the 5 1/4" spots a little wider, but shouldn't be hard. Will look killer at night.

    Watcha guys think?

    -Brad
    83 mp320i 285k

    PS. Looks like I caught the HU in a binary mood (18 for all you bums out there).

  2. #2
    Maximum Bitrate SjLucky's Avatar
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    you know what would be super pimp fiber glass some speaker boxes that mounted on the side. Rig up a speedo to your cpu so you can see how fast you are runnin or at least rig one one up to your network/modem. Some flames on the side. Oh yeah!!!
    Quote Originally Posted by menudude View Post
    thank you all for your help minus the useless post by sjlucky...

  3. #3
    jol
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    FLAC jol's Avatar
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    I think you're maxing out the 12 rail pretty quick

  4. #4
    FLAC Mastero's Avatar
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    WOW! What an amazing idea !

    My friend if you connect your Head unit to the PC power supply on the 12 volt line you will never know when your Mobo shall go to the grave as the HU pull far more power and your PC PSU wont supply thus killing the pc PSu and the Mobo.

    SO I SUGGEST DONT DO IT.

    Mastero

  5. #5
    Variable Bitrate
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    i was thinking of doing the same thing, but i didn't think my PS could handel it..

    your powersupply looks pretty big but i hope your cranking some huge amps on the 12v rail

    say 10 amps drain on the 12v = 120 Watts

    how big is your PS, and have you pushed the volume all the way yet?
    [SIZE=1]'91 Nissan Stanza

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  6. #6
    Constant Bitrate captain_jim1's Avatar
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    It's a 300W PSU .. does this help? I played with all the settings and never noticed a lick of difference..

    -Brad
    83 mp320i 285k
    -Brad
    83 mp320i
    99 mp323i
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    7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

  7. #7
    Variable Bitrate spyhunter's Avatar
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    Originally posted by Mastero
    WOW! What an amazing idea !
    The HU's are designed to receive 30amps from the car battery.
    Mastero
    do you have any idea what you're talking about?

    a head unit it designed to draw at the very most 10 amps (thats the fuse rating). in all reality it draws more like 4 or 5 at full volume providing it has a built in amp for speakers. Even at that i think is too high, someone want to test it and back me up? My entire computer setup in the old car drew 5 amps when running with an inverter to an amd k62 450 with a hd, dvdrom and 128 ram on all in one board with expansion cards.

    Brad i think you'll be ok, just keep a monitor open to watch the voltage. my mobo has a tool to monitor that and temps from windows. have fun
    Alex
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  8. #8
    FLAC samc's Avatar
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    ha 30 amps??? in my volkswagen forum someone said "the thicker the wire, the higher the resistance"..and I thought that was a bad one

    HUs do only draw at max 10A, did you ever see a fuse in the back of an HU? But I would be careful, I dont think PSus put out too muhc 12v forward.
    Mine needs to be updated.

  9. #9
    Maximum Bitrate GuRuGoD's Avatar
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    Originally posted by spyhunter
    do you have any idea what you're talking about?

    a head unit it designed to draw at the very most 10 amps (thats the fuse rating). in all reality it draws more like 4 or 5 at full volume providing it has a built in amp for speakers. Even at that i think is too high, someone want to test it and back me up? My entire computer setup in the old car drew 5 amps when running with an inverter to an amd k62 450 with a hd, dvdrom and 128 ram on all in one board with expansion cards.

    Thinking about this logically:
    My deck has 52W max output on each of its 4 chanels, thats 208W max speaker output (I will ignore any power used by the deck itself to keep it simple).

    208W/12V => 17.3A

    Remember this estimate is based on newer decks (the one in the pic looked older and prolly doesnt have the smae power output). But even still, most 300W PSU's are only rated for 12-14A on the +12V rail TOTAL. I will have to side with Mastero and Jol on this one. But to be sure, whip out your multimeter and see exactly what the desk is pulling on the 12v.
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  10. #10
    Maximum Bitrate osirisdon's Avatar
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    I saw this once very long time ago at a lan party. A guy there had rigged up one of them MP3 players with a flashy screen it looked freaking kicking rad at night. I dunno how he got the mp3s into the radio but it was on the front panel of the pc. He mounted it on one of them Antec Server cases. The damn thing was awesome.

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