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#1
06-12-2007, 07:03 AM
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Simple Carputer installed
I finally worked out all the bugs in my carputer.
I went with something real basic with the sole purpose of it to display and log engine parameters. The computer connects to my AEM O2 through a serial connection and then it connects to my UTEC engine management through USB. I have software that takes these two readings and merges them. I then output the signal though a video out and convert it to RGB+S which then displays it on my OEM Navi screen. I can toggle back and forth from Navi to Carputer through a custom switch I made that works off of the OEM Enter button. To control the computer I got a wireless keyboard with built in touch pad:  I also have a network cable installed and can RealVNC in to the carputer from my laptop for log retrievel and tuning. I had initially went with wireless but I had some issues and went with the 'easier' solution. The carputer itself is a 1ghz machine (Via EPIA) in the Mini-ITX footprint. It has a 40gb laptop harddrive and a M1 automotive power supply (works from 6-24vdc). I went 'cheap' and made my own case, which consists of a piece of plexi-glass cut to fit in my spare tire. It press fits on to the 'start nut' that holds the tire in place, and then I used a few eye bolts to provide stability towards the outside of the 'glass. Its pretty secure, yet comes out easily to access the tire:    Here is what it looks like on the dash:  After I finally got it working right (had some major issues with WinXP the first and second installs) I love it. It boots up in under 30 seconds and has been very stable for the past 2 weeks. I am somewhat concerned of the heat generated, but so far the two cooling fans have done a good job. Cost - Bought the motherboard, processor, and 512mb of RAM for $160 Bought the wireless keyboard/mouse for ~$80 Harddive - Free (used one laying around collecting dust) M1 power supply - $~70 RGB converter - $50 Misc. cables - $15 UTEC engine control - $1100 AEM wideband - $300 I obviously already had the UTEC and AEM, so they don't really count, and I had the RGB converter from a DVD project that never got completed, so all and all I spent <$350 to have continous monitoring of boost, a/f, RPM, timing, IPW, and a few other things with no added guages and now I don't have to carry my laptop with my 24/7.
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Kevin Pierson - Built APS TT 2004 DG 6 MT Coupe Custom Products, Total Control: KPtechnologies 2007-8 Navigation Interface Module NOW Available! 
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#3
06-12-2007, 09:25 AM
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Nicely done. Now make a nice case and sell them.
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2008 G35xS LP: Premium, NAV, Spoiler, 30% Tint; Retired:05 6MT 06 Z revised front springs, 05 coupe rear springs, Tokico DSpecs, 350Evo sway bars and Front A-Arm, SPL Adjustable end links, GT Spec front and rear chassis bars, Richie front strut bar, MREV2 and 5/16" spacer, Z track wheels.
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#5
06-12-2007, 10:25 AM
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good job. very clean install.
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#6
06-12-2007, 06:27 PM
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very nice
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'05 OB Sedan 5AT | Navi | HKS Exhaust | PA11-NIS | Pro-Clip | Skyline Badging | Full LED Conversion | TVandNavToGo Conversion| 
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#7
06-13-2007, 10:26 PM
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Nice.
I wouldn't be concerned about heat in your application too much. My current setup is also a via 1ghz board and m1 or m2 PSU. Mine is mounted in the upper glove (where the navi drive goes for navi equipped models) and I'm using the original cpu fan and another cpu sized fan over the psu. So far, no heat issues at all. You can download various free programs to monitor temps also.
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04 IP Coupe - Custom Carputer w/DW Touchscreen, XP, GPS, Centrafuse, MameArcade..etc.-Compustar Alarm - Ground Kit- 5/16 Iso Spacer - Greddy Sp - 4080/JL Setup-& more. Carputer Thread- http://g35driver.com/forums/car-pc/45823-g35-coupe-carputer.html Carputer2: http://g35driver.com/forums/car-pc/85160-my-2nd-g35-carputer-creation-install.html
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