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Thread: 2002 Mazda Miata CarPC

  1. #11
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    How's that screen working for you?
    The screen works fairly well. I've nothing to compare against (i.e. never had anything else in the car), but in general, it is easy to see. The only time I have trouble is when it is in direct sunlight and I have (polarized) sunglasses on. For that, I usually have to create a bit of shade with my arm.

    In sunlight, but without sunglasses, it's just about viewable. On a sunny day, top down, but not direct sunlight, it's fine. If I remember, I'll try to take some photos of it in the sun.

    It was feindishly expensive, though, but I think it was the only option at the time for viewing in direct sun.

  2. #12
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    Eh crap, I was afraid you were going to say that. That's about how mine is. In direct sunlight I have to shield it with my arm and that is the part I hate. I think the way I drive to work I have direct sunlight all the way each way... I swear

  3. #13
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    Here are a couple of screen shots of the display with the top down on a sunny day. It's not quite as bad as I made out, probably the two worst things are 1. I'm wearing polarized sunglasses, and 2. I'm off axis in the driver's seat. I took the photos closer to the centerline of the car than my head position whilst driving.

    First pic, sunny day, top down, not in direct sunlight:


    Second pic, sunny day, top down, direct sunlight:


    Hope that helps.

  4. #14
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    Hi,

    I just finished a similar install in my European MX-5 99-00.

    Did you put a fan in your setup, because my CarPC did hang 2 or 3 times on an extended drive to the German MX-5 meet last weekend - I suppose due to the heat.

    Thanks, Greets

  5. #15
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    Thanks MPR90. That is definitely better then my current screen and certainly readable in the direct sunlight in that pic. Thanks!

    Miata25, unfortunately you will have to provide a lot more detail about your setup before I could comment on your need for a fan.

    What are you running for a processor, where is it, what kind of heat sync, etc. I would at the very least run something like cpucool to monitor your temps long enough to identify if that is why it is locking or if you have a different hardware/software issue.

  6. #16
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    Feb 2010
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    O.K. so I will give a short summary of my setup:

    -my case is made DIY from an old computer (the part, where the drives are attached - so it has plenty of openings)

    - the mainboard is this: WAFER-945GSELVDS2

    CPU Intel® Atom™ Processor N270 1.6GHz with a 533Mhz FSB
    System Chipset Intel® 945GSE Intel® 82801GBM/ICH7M

    - the touchscreen is this one: CTF700-SH V2 - VGA 7" TFT - Touchscreen USB - Autodimmer - IR Remote - Audio (600nits) -TRANSFLECTIVE PRO-

    - power is supplied through an M2ATX

    Greets

  7. #17
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    Miata25: I did not put a fan in my setup, but then again, I have a much lower spec. PC than you do. Mine is a Pentium class 500MHz part (AMD Geode). I do see the CPU temperature get up pretty high, though, almost 80C on a hot day. I'm guessing that's got to be pretty close to the die temperature limit, although I haven't checked to be sure.

    I do occasionally get the thing to crash, but I think that is more to do with ESD than temperature because I can ften make it happen by adjusting the electric side mirrors (which are relay controlled). My PC does not have very good shielding, since the enclosure doesn't cover the top (see photos at the start of the thread).

    How is the Wafer Atom board working out for you? I was thinking of getting something very much like that as an upgrade to my current (and slightly sluggish) setup.

  8. #18
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    It's plain beautiful - running nicely, fast - everything I need for my needs.

    Best thing about it - it has serial ports so I can run my Megasquirt program (Tunerstudio) with no serial to usb adapter.

    I upgraded to Centrafuse 3.1 as frontend - also running good.

    So I can only recommend the board.

  9. #19
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    The Atom does run pretty cool but I think unless you have a large heat sync and a fair amount of natural air flowing past it that is not HVAC, you would likely want a small fan. My suggestion is to find the quietest fan you can get and have it either controlled by speedfan or get one with a thermistor built in so that it will automatically slow down when not too hot.

    Glad to hear it is doing a good job. I was thinking to go with an Atom for mine as my netbook does a pretty good job at life but it runs Linux and I don't think the Linux front ends are there yet.

  10. #20
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    I already have a small super silent temp. controlled fan on my desk - I didn't find a place to put inside the double din housing - but I think I can squeeze it in somehow...

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