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Thread: 2002 Mazda Protege

  1. #1
    North of the land of Hey Huns
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    2002 Mazda Protege

    So, I figured maybe I should finally start a worklog. My carPC has been through several cars and several whole sets of hardware, and will probably continue to change. I have finally achieved a level of integrated I've never had before, where I don't have to open my trunk to turn the computer on so I think that's worth a worklog


    This History:
    My carpc was origionally a 400mhz 12.1" touchscreen POS system. It was in my 1993 Ford Escort for a couple of months until I got rid of it.
    My next carpc was a 1.5ghz computer with a 7" non-vga input screen. I had nothing but issues getting it to be the right resolution. This was in my 1997 Ford Probe. This lasted probably two years.
    The current PC was installed about a year and a half ago, and I've been slowly upgrading until I am at the point I am now.

    The Idea:
    A complete Automotive Entertainment and Automation System, comprised of an embedded touchscreen powered by a car computer, and multiple microcontrollers integrated into key systems in the car to allow remote start, window/lock/HVAC controls, and PC control.

    The Car:
    My car is a pretty standard 2002 Mazda Protege, 2.0l engine with a manual transmission (complicating the remote start idea). I started with an aftermarket headunit and a set of quiet subwoofers with stock 4 main speakers.

    What I've got:
    Flip out Xenarc 7" touchscreen below my radio in the dash
    2.6ghz P4 computer 1gb ram 120gb hard drive
    Garmin USB gps unit with NRoute software
    Aux audio input into the headunit for integrated sound
    800 watt power inverter to power the computer.
    Switched relay and power button in my dash.
    Custom c++ written frontend, does MP3 and OBD2 dashboard.


    What I need:
    DC-DC power supply for the computer
    A solution for locating the PC and a mini-box to fit it.
    OR
    Artigo PC. (I'd prefer finding a place for my current PC, as it's cheaper and more powerful than the Artigo)
    LCD Touchscreen. I want to embed the touchscreen in the double din space, rather than having a flip-out, allowing me to integrate LED lit buttons and a volume dial into the panel around the screen.

    Microcontrollers:
    I am developing on an Atmel brand atmega16, and switching to an attiny for it's compact size once I have gotten the bugs worked out of my code. I am using uC's for several things.
    HVAC control: My car has the cable-style controls, so I will have to actuate either servo or stepper motors for this.
    Remote start/unlock: My plan is to re-wire my stock door locks so when I hit the panic button twice, it will start the car and roll down the windows if the interior temp is above a certain point, and just start the car if it is not.
    Custom Controls: As I am planning on putting led lit buttons around my touchscreen, the easiest way to control them would be a USB interface to the microcontroller. It's practically plug and play.

    I will have pictures hopefully sometime this weekend.

  2. #2
    Vendor - Qube colin's Avatar
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    You write your own software and you know microcontrollers, you're in the same boat as I am. You seem like one of the creative people whose worklogs I love reading. Anyone can do the ordinary but I like that you're screwing with the AC and the remote start.

    For the record though, manual remote start isnt a big deal at all, you just need to do a couple checks before you start it. Make sure the parking brake is applied (theres wires already connected to it, look under your center compartment ) and make sure the vehicle is in neutral.

    Cant wait to see pics.

  3. #3
    North of the land of Hey Huns
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    Picture Update of the current setup. Sorry for the crappy photos, my camera sucks.

    The Car
    The Junk Ignore the mess, I'm working on getting it cleaned up.
    Switches to turn it on and off Switch for the inverter, button and LED for power.
    Closed
    Up and running
    Potential Location if I ever get myself a pico-itx or the like

  4. #4
    North of the land of Hey Huns
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    Update Post:
    I've got no work done on the car, but I did get some work done on the software. The first image is the same image shown on the screen in the car in my previous post, but I got my OBD gauges working now via an ELM based OBD2 adapter, and am working on an openGL interface. I have a listbox for the music and buttons done thus far. Not much but I haven't been working on it for long. Once I have something to show there I'll post screenshots.
    Attached Images Attached Images   

  5. #5
    North of the land of Hey Huns
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    A bit of an update, I got the LCD installed flush in the dash, got rid of the headunit entirely and replaced it with an amplifier. Also installed a remote start, and a dual core Atom + m2atx smart DC-DC psu. Pics below. They tell the story fairly well. I was going to add buttons to the edge of the LCD, but I ran out of time.
    Attached Images Attached Images            
    "stop with the REINSTALLS, what do you think we got some lame-o installer!!!" - mitchjs
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  6. #6
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    Ok, now make me one.

    LOL.

    Truthfully, I'd be willing to pay for one. Could you make it in, say, Delrin ? Our dashes appear to be pretty similar.

    cool I'll be watching. I'm starting my build on a 2000 protege tomorrow. I posted some pics of it here.

    Haltech
    08' WRX - lightly prepared for D-stock autocross
    1994 BMW M3/25is - Heavily prepared for SM class autocross
    OBD1 :( no carputer fo the Bimmer

  7. #7
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    Quote Originally Posted by malcom2073 View Post
    Picture Update of the current setup. Sorry for the crappy photos, my camera sucks.

    The Car
    The Junk Ignore the mess, I'm working on getting it cleaned up.
    Switches to turn it on and off Switch for the inverter, button and LED for power.
    Closed
    Up and running
    Potential Location if I ever get myself a pico-itx or the like
    Where did you get that switch?

  8. #8
    North of the land of Hey Huns
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    Quote Originally Posted by murphyslaww View Post
    Ok, now make me one.

    LOL.

    Truthfully, I'd be willing to pay for one. Could you make it in, say, Delrin ? Our dashes appear to be pretty similar.

    cool I'll be watching. I'm starting my build on a 2000 protege tomorrow. I posted some pics of it here.

    Haltech
    Sorry I didn't respond to this earlier, I didn't actually see it.... but as for making you one... hell no . It took me probably 7 hours on the mill to do that, and I'll never do it again. Next time I'm buying pre-built. I made mine because I wanted to reuse my 700IDT rather than buying a screen that is made to work with a double din kit, but about halfway in I realized it was WAY too much effort. (At least until I get a CNC machine)

    Quote Originally Posted by brownaa82 View Post
    Where did you get that switch?

    Radio shack!
    "stop with the REINSTALLS, what do you think we got some lame-o installer!!!" - mitchjs
    RevFE
    My Shop

  9. #9
    Sheepdog rdholtz's Avatar
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    Quote Originally Posted by brownaa82 View Post
    Where did you get that switch?
    Dig around and you might find an old, dead power supply with a switch in it. The power supply may be dead, but I've never seen one of those switches die. They're ideal: small, built for panel installation, and most of them are bulletproof. Some are even double-pole, so you can control both the PC and the screen with one switch.
    .
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at http://www.mp3car.com/vbulletin/work...res-links.html
    .

  10. #10
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    looks nice, subbing to come back and look at this later.

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