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Thread: Stealth OEM install in MR2 Spyder - Magazine coverage!

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    Variable Bitrate silencery's Avatar
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    Smile Stealth OEM install in MR2 Spyder - Magazine coverage!

    EDIT WITH MAGAZINE SCANS 08/04/05
    //-----------begin edit------------


    Magazine scans can be found here.

    //-----------end edit------------

    EDIT WITH UPDATED DETAILS 02/17/05

    //-----------begin edit------------


    So I finally got both knobs working. The one on the right, which acts as a mouse, is still using the phidgets encoder. The one on the left, is now hooked up to the scroll wheel of a mouse.

    Originally, the scroll wheel was set to emulate a volume adjustment via Girder, which is what the original function was on the original headunit. I realized that was inefficient since volume didn't require such an advanced input.

    Instead, I decided to use it as a scroll wheel, and now I'm MUCH happier w/ the setup. The knob now allows me to scroll through the centrafuse playlist, much like the jog dial of an iPod. Pushing down on the knob selects the song to play, also like an iPod (i'm a big fan of the iPod interface). If a song is already playing, pushing down on the knob again pauses the current song.

    Oh yeah, volume still functions by holding down the knob and turning
    //-----------end edit------------

    First of all, I gotta thank all the people here for all their help; I couldn't possibly have finished this project w/o this board. Everyone's been a great help.

    Anyways, after losing hundreds of hours, tons of cash, a girlfriend (well, almost at least), and some skin, I've finally finished my project.

    My goal was to have a completely stealth installation while maintaining an OEM look. Thankfully, my car was able to accomodate this goal perfectly and hardware has finally become available which allowed me to carry out my project. In Japan, the mr-s comes with an optional GPS unit, so they sell a navigation pod for mounting the screen. After getting the mounting pod, it made mounting the LCD really easy.

    I gutted out a stock headunit and managed to cram all my components in there, including the CD drive. All the parts, sans OPUS PSU are encased in the stock radio.

    I think the centerpiece of the entire setup is the integrated control and CD-ROM. After making careful measurements, I was able to mount the slot-loading CD-ROM to match the stock slot and wire up the eject button to the stock panel. Effectively, the optical disc capabilities of the computer look clean.

    The input buttons were an extraordinary pain in the *** themselves. Using the serial device plans found here, I was able to wire up the switches to control various actions. Unfortunately, the stock switches aren't mechanical and require the factory microprocessor to read the inputs. Instead, I ended up cutting the traces to have them act as mechanical switches. For the knob, I bought an encoder interface from www.phidgetsusa.com and hacked that up to the stock encoder. The knob on the right controls mouse movements like an etch-a-sketch; regular rotation moves horizontally and pushing down and turning the knob moves the cursor vertically. I wasn't enable to get two encoders to work simultaneously though and the volume knob on the left doesn't work.

    To finish, I gotta figure out how to get the volume knob to work, and I'll be completely done. Right now, volume control is mapped to some other buttons.

    As weird as this may sound, I've been dreaming about having a carpc ever since I was 16. Eight years afterwards, the culmination of my efforts have finally materialized, and I have to say I'm extraordinarily satisfied with the results. There are a few tweaks that need to be done, but everything is more or less complete and working well.

    Car:
    2001 Toyota MR-S

    Machine specs:
    VIA M10000
    512MB memory
    Samsung 40GB Laptop HD (MP0402H)
    Samsung 60GB Laptop HD (MP0603H) encased in firewire enclosure.
    macally USB 2.0/ FireWire Aluminum Enclosure, (PHR-250CC)
    Panasonic Slot-loading CD-RW (CW-8123-B)


    Lilliput 7" LCD
    Opus 150W PSU
    BU-303 GPS

    Software:
    Centrafuse 1.2 w/ embedded iGuidance.

    Pics:




    - Factory input PCB.

    - Button input prototype.

    - Test fitting the mobo in the case.

    - Factory radio casing.

    - HDD mounting.

    - Testing.

    - Testing the etch-a-sketch function on the knob.

    - Rear panel.

    - Final install. Looks boring cuz I used OEM parts, but I like it



    Hope this helps other people with ideas.

  2. #2
    MySQL Error jcdillin's Avatar
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    dang!! very very nice! I like it! great job with the stock HU
    肚子笑痛了
    S60 Install

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    Variable Bitrate silencery's Avatar
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    thanks =) I just can't believe I'm finally done!

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    Admin. Linux loser.
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    Bugbyte's Avatar
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    That is incredible! Outstanding use of the existing knobs. I really like the way you matched the slot to the existing one. Congrats!
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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    My Village Called 0l33l's Avatar
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    Excellent install
    Do you still have use of the stock LCD? Is it even hooked up?

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    Variable Bitrate silencery's Avatar
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    Thanks for the compliments guys. My friends all think i'm psycho... I suppose the only people that can relate are the people here.... haha.

    bugbyte,
    Like the sig. I'm slowly reazlizing that the adjustments never end... I almost don't want them to actually; it feels weird not having the carpc to work on.

    0l33l,
    I only purchased the stock mount for the LCD. I never bought the OEM unit since I wanted to try out the lilliput, so I don't know how good the Toyota LCD is. Unfortunately, the location of the LCD prevents me from using the touchscreen functions comfortably while i'm driving. That's why I went w/ using the factory buttons as additional interface devices.

    Navivoice looks awesome by the way. I'm looking forward to installing it and trying it out!

  7. #7
    My Village Called 0l33l's Avatar
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    Quote Originally Posted by silencery
    0l33l,
    I only purchased the stock mount for the LCD. I never bought the OEM unit since I wanted to try out the lilliput, so I don't know how good the Toyota LCD is. Unfortunately, the location of the LCD prevents me from using the touchscreen functions comfortably while i'm driving. That's why I went w/ using the factory buttons as additional interface devices.

    Navivoice looks awesome by the way. I'm looking forward to installing it and trying it out!
    I was talking about the LCD in the head unit I wanted to suggest that replacing it with a serial LCD would be a cool idea

    I'll be here to help you with NaviVoice

  8. #8
    Maximum Bitrate
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    Nice, really nice install. Does the display fold down when you want to so it looks like part of the dash or is up like that all the time?

    Friends, eh, they all think we are psycho. Then, when you leave they're all like damn thats a hot azz install and wish they could do the same.

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    Variable Bitrate silencery's Avatar
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    0l33l,

    haha, oops, didn't realize you were referring to THAT LCD. My brain is fried from working on the carputer too long. The LCD in the radio is still intact, but i haven't figured out a way to get it to interface properly. Ultimately, I'd like to get that panel working, and if i have to, i'd be willing to purchase a serial LCD unit.

    DaRacerz,

    Unfortunately, the LCD stays stationary. It would be cool if I could figure out a way to fold it down but for now, it remains that way. Some other mr2 owners use hats, boards, or other means to cover up the navigation pod while they're away. I'll probably do the same temporarily.

  10. #10
    My Village Called 0l33l's Avatar
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    Quote Originally Posted by silencery
    0l33l,

    haha, oops, didn't realize you were referring to THAT LCD. My brain is fried from working on the carputer too long. The LCD in the radio is still intact, but i haven't figured out a way to get it to interface properly. Ultimately, I'd like to get that panel working, and if i have to, i'd be willing to purchase a serial LCD unit.
    Sounds like a worthwile project... I'd just ditch that LCD and get something serial and call it a day Something from Matrix Orbital

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