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Thread: Complete the wiring schematic for my car pc. Suggestions? Comments?

  1. #11
    Variable Bitrate FyreDaug's Avatar
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    Wow, I've never seen anyone do such an indepth schematic for something like that. Props to you for that.

    I dont have anything to comment about the schematic itself however.

  2. #12
    C4M
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    Maximum Bitrate C4M's Avatar
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    Nice diagram - what are you using to prepare that?

    I notice you have earths all over the place - different for the PC and the amp. I presume that the box between the PC and the amp is a crossover, and the fact that it is pre-amplification means that it is active. Do you need +12/Ground/Acc for that as well?

    I'm guessing that your IGN and ACC are actually the same thing as well?

    WRX!

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  3. #13
    My Village Called 0l33l's Avatar
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    I wouldn't use a phidgets volume knob thing. I'd opt for the 8/8/8 board with a knob

  4. #14
    Constant Bitrate
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    Quote Originally Posted by ramy_zohair
    Great setup (and diagram too) wats that connected to the PC, sub & amp. And the thing shown between the volume control and keyboard. Why don't u have GPS. U can also power it through OPUS if it needs external power source.

    One Last question.... wat program did u use to draw the second diagram??
    Thanks! The little silver/grey box between the PC and the sub/amps is the sound blaster audigy sound card (USB power and ground). The thing between the volume knob and the keyboard is a cirque touchpad. About GPS, I plan on adding this in the future but don't have the funds right now to do so. I'm doing a lot of engine work on the car at the moment too so that's my priority after main computer components are done.

    To make the diagram I just used your standard microsoft paint. Made everything initially a 16 color bit map and then converted it to a jpg file for uploading. It took a little bit of time but I'm totally absorbed in this project so it was fun for me.

    Thanks for the props, FyreDaug.

    Quote Originally Posted by C4M
    I'm guessing that your IGN and ACC are actually the same thing as well?
    I think your other questions were answered above. You're right ACC and IGN are the same I dunno why I labeled them differently. I should edit the ACC to remote turn on (off the factory stereo harness). Thanks for pointing that out.

    Quote Originally Posted by 0l33l
    I wouldn't use a phidgets volume knob thing. I'd opt for the 8/8/8 board with a knob
    Hey 0l33l, thanks for the suggestion. Could you give me a little more info on the 8/8/8 board? I'm not exactly sure what it is or where to get it. What advantages does it have over the phidgets knob? Thanks.
    2002 Subaru WRX - Silver
    -FP18G turbo
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    -Modified OEM 840 CC Injectors
    -TurboXS: UTEC, turboback, uppipe, intake
    -Blitz FMIC
    -STI cluster
    -17"x7.5" SSR Competitions
    -Tein Flex coilovers
    -NOS 50 shot
    -2004 rear conversion

  5. #15
    My Village Called 0l33l's Avatar
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    Quote Originally Posted by imprezive one
    Hey 0l33l, thanks for the suggestion. Could you give me a little more info on the 8/8/8 board? I'm not exactly sure what it is or where to get it. What advantages does it have over the phidgets knob? Thanks.
    Phidgets 8/8/8. Knob 1 Knob 2.

    Differences: 1 board can do many things, but costs more. So you can have a temp sensor, a voltage sensor, button inputs, and relay outputs.

  6. #16
    Constant Bitrate
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    interesting... although I pretty much only want the one knob and I need to conserve funds at the moment. Thanks for the tip.
    2002 Subaru WRX - Silver
    -FP18G turbo
    -Walbro fuel pump
    -Modified OEM 840 CC Injectors
    -TurboXS: UTEC, turboback, uppipe, intake
    -Blitz FMIC
    -STI cluster
    -17"x7.5" SSR Competitions
    -Tein Flex coilovers
    -NOS 50 shot
    -2004 rear conversion

  7. #17
    My Village Called 0l33l's Avatar
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    Quote Originally Posted by imprezive one
    interesting... although I pretty much only want the one knob and I need to conserve funds at the moment. Thanks for the tip.
    No problem. Say you want some steering wheel buttons, well, you could add 8 easily! Knobs... you can add 8! And if you so desire, you could have the amp turn on when the computer tells it to.

  8. #18
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    Quote Originally Posted by C4M
    I notice you have earths all over the place - different for the PC and the amp.
    It's standard for schematics to draw earths like that, as it simplifies the drawing, making it clearer. However, earth wiring can get horribly complicated as I am sure a lot of you know!

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