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Just started my project, very very very confused

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  • Just started my project, very very very confused

    Hi guys,

    I live in a pretty crappy neighborhood where cars get broken into all the time. About 3 days ago my brand new head unit was robbed out of my car. So i decided that the only way im gonna be able to enjoy good sound in my car is to gut my delco pontiac headunit (circa '94) and rewire it to work as a serial interface plus screen to a car pc that will be hidden far far away. I picked up a few things that I know ill need (an amp some wiring stuff, car power supply)

    Ive tried browsing around but i am really overwhelemed as to what i need and where i can start. Im a decently skilled computer user more with windows and os x but i think ill need linux to get this off the ground.

    Can anyone tell me where i can get started with setting up car pc software that will play mp3s off of my ipod, do sirius, and output to probably an alphanumeric display.

    In specific id like to put a simple serial lcd where my head unit's clock lcd was and then install a 2 or 3" screen where the eq and tape deck are.

    I dont want a touch screen but i want to wire the buttons i have to an interface.

    Does anyone know if i can get a wiring schematic from the ribbon cable that goes from the face of delco unit to the main board, i would love to keep it looking stock.


    Thanks in advance

  • #2
    You can do all you suggest but it will be 10x harder than going with a conventional setup (touchscreen) and just disguising it in some way. I saw a bmw pic around where the owner had an LCD low in the dash and when he left his car he had a notepad (pad of paper) he would put there. The notepad looked “installed” so nobody would expect to see anything behind it. That is what I am talking about. A fake cover for your LCD or something that makes it look like your stock faceplate. Anything like that will be way easier (and just as effective) than trying to wire everything to your stock components.
    My Work Thread:
    http://www.mp3car.com/vbulletin/showthread.php?t=72552
    Source switcher for Lill
    http://www.mp3car.com/vbulletin/show...d=1#post841007

    Comment


    • #3
      Thats a pretty good idea, but I think it would be really cool i pulled off interfacing with the head unit. Im not trying to deck it out either, i dont really need gps and i dont want to invest in a 7" touch screen. Does anyone of the smallest color lcd screen that i can get will accept composite video, i was thinking about ripping apart a dreamcast portable screen but i think its too big for what i want.

      Also, would i be able to drive to separate lcd's with dashwerks, or cmms?

      Im trying to sort of out all the info right but if anyone does something like this before i would be gratefull.

      Comment


      • #4
        Look Here for what you're trying to achieve.

        If you want to go that route and make your own "Button Input Prototype," keep in mind that I have one I created a few months ago...
        PM me if you have any questions about it.
        For Sale: Carputer (CarPC) & RCA Y-Adapter
        Newsflash: Take a look at my unsold stuff above, thanks!
        Up Next: Make an OBD to Serial cable & Redo the "MMI buttons"

        Comment


        • #5
          do a search for the toyota mr2 in the show off your projects sectioin he did what you're talking about. also some possible solutions would be using centrafuse and it's text lcd capability, ipac2 keyboard interface with wired to the stock h/u's buttons and also look at the idrive interface tonyg put together.
          New System in progress:
          M10k
          Phaze TD1500 ~> Dynaudio MD130
          Phaze TD1500 ~> Seas g18rnx/p
          Zapco Ref 500.1 ~ 12" tc-9
          Behringer DCX2496 ~ Envision Electronics psu
          Transflective Xenarc

          My Car Pc Install
          My Boat Pc worklog

          Comment


          • #6
            yeah, it doesnt look like id be able to interface with the head unit's controls straight through. i think if i found the service manual for this headunit id be able to at least to get the lights on. anyway thanks guys and if anyone knows where to get the manual it would be a life saver.

            Comment


            • #7
              you wont be able to interface with it unless you ae able to use the pc to car adapter someone on the forum made, i think it's mostly honda, toyota and audi but i could be wrong. what the guy with the mr2 did was actually gut the h/u and install the computer in there and then wired up the buttons to contorl the computer
              New System in progress:
              M10k
              Phaze TD1500 ~> Dynaudio MD130
              Phaze TD1500 ~> Seas g18rnx/p
              Zapco Ref 500.1 ~ 12" tc-9
              Behringer DCX2496 ~ Envision Electronics psu
              Transflective Xenarc

              My Car Pc Install
              My Boat Pc worklog

              Comment


              • #8
                Oh, and why do you say you'll need linux? I'm a RHCE and Solaris certified, have been for 10 years, do that in my day job, and I'm running windows on my carpc. It's not about cool factor, it's about the availability of supporting programs. Linux just isn't there yet, but coming up to speed.
                My Worklog

                Comment


                • #9
                  um, im not doing for the "cool" factor, im doing it for small factor. I wanted to get something like lfs and boot it from a cf drive. also ive been using linux for years, and yeah its not there yet, but i cant fathom why id put something like xp on a computer that's only purpose it to play mp3s.

                  DJik, thats a really sweet setup you have, im probly gonna wind up doing the same thing, i just need to figure out where in the keypad's harness the power line is for the lights.

                  Comment


                  • #10
                    Originally posted by itsdave
                    DJik, thats a really sweet setup you have, im probly gonna wind up doing the same thing, i just need to figure out where in the keypad's harness the power line is for the lights.
                    That's not my setup, but I've seen it in person and liked it the most. It's also the same one scott_fx is referring to in the post after mine.
                    I tried to go that route (so I could add 15 buttons to my setup), but ended up getting used to the touchscreen. That's why I have some of the parts laying around, particularly the board, the RS232 cable, and the buttons.

                    In the near future (by the end of the summer), I hope to be able to implement this chip in my setup. It's just that I have never programmed any ICs and don't know how to make MAX232 work with my COM1 port, yet.
                    When/if I get it to work, though, I'll be able to have 16 inputs of my choice without going the fully analog route.
                    For Sale: Carputer (CarPC) & RCA Y-Adapter
                    Newsflash: Take a look at my unsold stuff above, thanks!
                    Up Next: Make an OBD to Serial cable & Redo the "MMI buttons"

                    Comment


                    • #11
                      Originally posted by DJiK
                      That's not my setup, but I've seen it in person and liked it the most. It's also the same one scott_fx is referring to in the post after mine.
                      I tried to go that route (so I could add 15 buttons to my setup), but ended up getting used to the touchscreen. That's why I have some of the parts laying around, particularly the board, the RS232 cable, and the buttons.

                      In the near future (by the end of the summer), I hope to be able to implement this chip in my setup. It's just that I have never programmed any ICs and don't know how to make MAX232 work with my COM1 port, yet.
                      When/if I get it to work, though, I'll be able to have 16 inputs of my choice without going the fully analog route.

                      haha..wooops sorry i didn't click on your link :-)

                      if you want to skip the ic thing you can purchase an ipac2 keyboard emulator. i bet it uses a similar chip but is all put together for you and has nice screw terminals. i have one that i'm using for my current install. it works fine
                      New System in progress:
                      M10k
                      Phaze TD1500 ~> Dynaudio MD130
                      Phaze TD1500 ~> Seas g18rnx/p
                      Zapco Ref 500.1 ~ 12" tc-9
                      Behringer DCX2496 ~ Envision Electronics psu
                      Transflective Xenarc

                      My Car Pc Install
                      My Boat Pc worklog

                      Comment

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