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Thread: Acura/Honda Integra 1990 (lots of pics + more to come)

  1. #11
    Low Bitrate deanthom's Avatar
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    CD drive mounting

    Because there was no room left in the dash, I mounted the CDRW/DVD drive, USB port, and main switch in the glovebox. Once again using my bending brake and nibbling tool, I made up a aluminium housing for them.




    With the internals mounted (using hot glue):




    Stuck in the govebox using double sided tape (this helps stop the vibrations transferring through the dash):



    One problem I have encountered is with the long power cable I have run from the PC in the hatch area to the dash; there is too much voltage drop on the 5V line and the CD can't spin up. I will have to add a voltage regulator in the dash to power the CD. The touchscreen runs fine on the 12V line I ran from the PS in the hatch. At the moment I'm just using an AC power supply to test the system. I have a M2-ATX on order and am waiting for it to arrive so I can mount it in the case...

    The touchscreen is mounted in the dash, but I have to pull it all out again because I left the buttons off (no room) and now I need to adjust the brightness! It's too bright and I can't read the screen I'll put some pictures of the TS in the dash soon.

    I also mounted the WINTV USB2 PVR for the FM radio in the back right near the antenna behind the trim. I made an adaptor lead to connect it to the car antenna. Hopefully I will get decent reception, but I'm not counting on it.



    OK, that's it for now, but more to come later...
    First Integra car PC:
    [XXXXXXXXXX] - 100% done, now removed and sold to be put into a BMW

    Second Integra car PC Worklog:
    [XXXXXXXXX.] - 95% done, PC in the car and running. Fine tuning in progress...

  2. #12
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    where abouts are you man?

    Coming along very nicely, i love the metal work.

  3. #13
    Low Bitrate deanthom's Avatar
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    Quote Originally Posted by bungsai View Post
    where abouts are you man?
    I'm in Queensland, near Brisbane.

    Quote Originally Posted by bungsai View Post
    Coming along very nicely, i love the metal work.
    Thanks, I'm slowly getting it finished. Hopefully the M2 will show up next week.
    First Integra car PC:
    [XXXXXXXXXX] - 100% done, now removed and sold to be put into a BMW

    Second Integra car PC Worklog:
    [XXXXXXXXX.] - 95% done, PC in the car and running. Fine tuning in progress...

  4. #14
    Low Bitrate deanthom's Avatar
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    Well, I've got everything working today, the dash is all finished, but I forgot to take photos! I have to wait for my M2-ATX to arrive before I can finish the install though. I found that there was too much voltage drop in the cable I ran from the boot to supply 5V for the DVD, GPS, USB hub, etc. So I whipped up a quick and dirty point-of-load regulator using a Maxim 787 chip on some perfboard.



    That fixed the problem and the CD spins up fine, the computer doesn't lock-up during boot and all the USB gadgets work properly, thank goodness...

    While I wait for the M2 I am going to build a custom SDC that will start booting the PC when I unlock the car with the remote, to save some time.

    Also, I updated the earlier post with the case detail to show what the case looks like now and how it fits in the car.

    It's almost at completion, yay!
    First Integra car PC:
    [XXXXXXXXXX] - 100% done, now removed and sold to be put into a BMW

    Second Integra car PC Worklog:
    [XXXXXXXXX.] - 95% done, PC in the car and running. Fine tuning in progress...

  5. #15
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    WOW, what do u do for a living dude? Wish i had your fab skills, your electronics skills and your metal work skills...amazing stuff.

    keep it up...take some pics of the screen in the dash! im trying to do something similar in my 99 teg.

  6. #16
    Low Bitrate PSYKO_Inc's Avatar
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    Wow, that case fits very nice; excellent use of unused space! I'm guessing the terminal strip on the outside of the case is for your power connection to the M2, but what's the round DIN connector for? Also do you have the schematic for your 5v voltage regulator handy? I'm looking to possibly build something similar since I'll probably have the same voltage drop issues powering a USB hub and slim DVD enclosure in the dash while my PC will be behind the seats in my truck.
    -Jay

    1997 Chevy S-10, ext. cab
    CarPC Progress: 75% - Functional, but not quite finished.
    Check out my progress.

  7. #17
    Low Bitrate deanthom's Avatar
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    Thanks guys! The terminal strip is for the M2, and +12V and +5V out. The DIN connectors is for various signals to the SDC, like door unlock pulse, power antenna trigger, etc. The circuit I used for the 5V regulator is from the first page of the data sheet for the MAX787. http://datasheets.maxim-ic.com/en/ds/MAX787-MAX789.pdf Unfortunately that part is no longer available, but I think National Semi has something similar. I only used the Maxim chip because I had it lying around. The low 5V was causing all sorts of weird problems, like causing the PC to crash while resuming from hibernation.

    Thanks for the compliments on the fab work bungsai! I'm really not that skilled, just lucky it all worked out As for what I do, I just graduated uni as an EE, and am looking for a job... If the dash in your gen3 teg is anything like my gen2, then it's quite easy to mount the screen because you can just pull out the double DIN trim piece, work on it outside the car, then just bolt it back in.

    I'll post up some pics of the screen in action when I get the M2, which will hopefully be sometime this week.
    First Integra car PC:
    [XXXXXXXXXX] - 100% done, now removed and sold to be put into a BMW

    Second Integra car PC Worklog:
    [XXXXXXXXX.] - 95% done, PC in the car and running. Fine tuning in progress...

  8. #18
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    Just realized you are using the SUPER screen, lol...i am using the Response Screen which is exactly the same just rebranded, i have a friend that gets electus pricing, so it was about the same price as a super screen off ebay anyway...

    Unfortunately my screen isn't such an easy fit, i cant take any of my dash out of the without removing almost the entire dash...who would think...honda going backwards? heh

    My screen however fits VERY snugly widthways as it is now, it is just lenthways that ive had to do some fab. I should start up my worklog soon.

    Just one question and very nooby at that...im testing my touchscreen using my laptop which cant seem to display anything lower than 800 x 600...when i run that into the touchscreen a bit of the screen is chopped...any ideas?

    Keep up the good work, ill post up my worklog soon!

    Matt

  9. #19
    Low Bitrate deanthom's Avatar
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    Ah, I see, I just looked up some pics of the gen3 dash and the where the radio mounts is part of the dash. Bugger. Perhaps you can take out the head unit and the pocket, leaving a double din space to do something like this guy did? (once again a "super" screen)

    I was going to do something like that until I realised I didn't have to. Or you could make your own wooden double-din chassis and mount the screen similar to how I did. I think flush mounting look the best. Looking forward to seeing your worklog.

    I am running my Super at 800x600 @ 60Hz just fine, so I don't see why you'd be having trouble. What refresh rate are you running? Try the auto-adjust option in the screen's menu?

    Since I don't have the DC-DC yet, I dragged out the extension lead and ATX power supply to fire my screen up again for some pics. The lighting wasn't good, so I'll have to do it again another day though.



    First Integra car PC:
    [XXXXXXXXXX] - 100% done, now removed and sold to be put into a BMW

    Second Integra car PC Worklog:
    [XXXXXXXXX.] - 95% done, PC in the car and running. Fine tuning in progress...

  10. #20
    Low Bitrate deanthom's Avatar
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    OK, my M2 arrived a couple of weeks back but since I didn't trust it since M2's have been known to blow and take the PC with them. Also, it's SDC didn't do what I wanted either. So I decided to make an add-on board to the M2 that adds some features. These include:
    • Overload protection on 3.3V, 5V and 12V via a 7.5A fuse on each
    • Overvoltage protection on 3.3V, 5V and 12V via a SCR crowbar circuit
    • Boost the M2's remote on output so it can actually provide enough current to turn on my amps and antenna. Also ensure these only come on with the accessories
    • CarPC booting enabled/disabled by switch in dash
    • Boot up triggered by remote door unlock signal
    • Wait 3 min after unlock before shutting down again if no acc signal received


    Here is the circuit board I made to achieve these features:







    And here is everything mounted in the case ready for the car:

    First Integra car PC:
    [XXXXXXXXXX] - 100% done, now removed and sold to be put into a BMW

    Second Integra car PC Worklog:
    [XXXXXXXXX.] - 95% done, PC in the car and running. Fine tuning in progress...

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