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Powering LinitX 7" LCD From Car12v or M2-ATX?

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  • Powering LinitX 7" LCD From Car12v or M2-ATX?

    Hey all,

    This is my first post.. I've been actively/daily when i get a spare minute, trawling through the forums of both here and digital-car for any advice I need for my new CarPC project.

    I build and maintain IT systems for a living so the computer build is quite simple but I fall down when it comes to simple electronics.. however, I am learning at a rapid rate..

    I have a question that I cannot seem to find a straight answer to from searching the forums.

    I want to find the best solution to powering my 7" LinitX LCD in my car. This is my scenario:

    Car: Mk4 VW Golf GT TDI 150
    CarPC: M10000, 1Ghz, 1GB, M2-ATX, Slim DVD, USB 4 Port Hub up front, 7" LinitX TFT, BU-353 USB GPS Mouse, Silabs FM Radio USB, Belkin USB Bluetooth adapter, Zyxel USB WLAN Device...

    I have seen many posts on powering the LCD direct from the car's 12v+ and I've seen some power it from the M2-ATX's power.

    Can anyone give me some sound advice..

    Thanks very much and keep up the excellent work.. Me thinks I might be CarPC'n for some years to come :-)

    Thanks

    Foley
    -----------------
    CarPC in development for.. MkIV VW Golf GT PD GTI TDI 150 (190) - Now that's a mouthful.. but it goes like S***!
    -----------------

  • #2
    http://www.mp3car.com/vbulletin/lcd-...tml#post457064

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    Comment


    • #3
      Dead link :-(
      -----------------
      CarPC in development for.. MkIV VW Golf GT PD GTI TDI 150 (190) - Now that's a mouthful.. but it goes like S***!
      -----------------

      Comment


      • #4
        Hi, foley,

        im in the same situation and ahve come to a conclusion for myself, i shall share with you the theory on how you can power your screen.

        I am going to create a picture showing the entire circuit from baterry to pc/screen in a way that makes more sense (to me anyway)

        hold tight and ill have it done shortly (not only should this help you, and others, but its a way i can make sure ive got it right too! :P )

        all the best
        -2k

        Comment


        • #5
          Righty here it is:



          Thanks again to vladcarpc for the pictures ive used here, they are truely priceless!
          now i know these sorts of diagrams are all over the place but hey, if it helps clear the air for at least one guy, must be doing something right.. right? :P

          anything else your not sure of, ask away im sure someone will know

          all the best
          -2k

          Comment


          • #6
            Hi 2K,

            That image was exactly what I was I was thinking but needed some reassurance I was doing the right thing. Thanks so much, that's a huuuge help

            I'm alsi wanting to run a powered USB Hub and a cam too from the M2, I guess this can be done the same way, what dya think?

            Thanks again.

            Foley.
            -----------------
            CarPC in development for.. MkIV VW Golf GT PD GTI TDI 150 (190) - Now that's a mouthful.. but it goes like S***!
            -----------------

            Comment


            • #7
              A powered USB hub will take 5v instead of 12v, but the concept is the same.
              Make certain you're not drawing more power than the M2 can put out.
              Have you looked in the FAQ yet?
              How about the Wiki?



              Under normal circumstances, a signature would go here.

              Comment


              • #8
                yeh, as darq said, the usb will only need 5v, but the concept is the same, and have a good look around at the different versions of the M2, some have different features and different wattages, tho a 160w should do you good

                [edit]: also, by using the distribution block, you could connect up more DC power suplies, not another M2, but smaller 40w for example. this would make sure the M2 isnt being sucked dry by everything you might want to add

                all the best
                -2k

                Comment


                • #9
                  Again guys, thanks loads for your help

                  Foley :-)
                  -----------------
                  CarPC in development for.. MkIV VW Golf GT PD GTI TDI 150 (190) - Now that's a mouthful.. but it goes like S***!
                  -----------------

                  Comment

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