Obd 2
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  1. #1

    Default Obd 2

    Hi,
    I have searched the board on OBD projects but couldn't really find anything.
    I'm looking for some info on creating a serial connection to my laptop. I have some OBD software but I need to get it connected to the car.
    Has anybody done this before ?
    DAX

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  3. #2
    Too much time spent here. JacksonJ has not yet proved knowledgeable JacksonJ's Avatar
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    Default Re: Obd 2

    I looked for months on information to make my own OBD II cable. I could not find anything that didn't require some sort of special circut board. The best I could find was www.scantool.net which has the circut board print out available for those who are into electronics. But still requires a certain chip called an Elmscan chip, it isn't a lot of money, but just was waiting a bit for more information.
    “Being a guy doesn’t mean that we have to admit to our Foibles, but rather come up with better excuses” - Colin Mochrie

  4. #3
    Ultimate Post Whore FordFasteRR can identify a wrench FordFasteRR's Avatar
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    Default Re: Obd 2

    I have the elm chip sold @ scantool.net

    it works great

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  6. #4
    What to break next? Brooklyn has not yet proved knowledgeable Brooklyn's Avatar
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    Default Re: Obd 2

    It is possible the build the board yourself. Scantool.net has the schematic and pcb artwork to do it. The only thing I didnt like about their design was the oldschool serial DB25 pin connector. Most computers that still have serial ports use DB9. I changed the DB25 -> DB9 and layed the components out differently. It is a blatant ripoff of scantool's schematic, so I take no credit for anything but the changes. I etched this from the new design.

    You can save a bit of cash if you do it yourself, but the upfront costs of a .028" drill bit, etching fluid, PCB, components, serial2usb cable, and the time to learn how to do it will probably keep away all but the dedicated tinkers. I had all the components lying around except for the ELM323 and ISO cable.
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  7. #5
    Too much time spent here. JacksonJ has not yet proved knowledgeable JacksonJ's Avatar
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    Default Re: Obd 2

    I am somewhat ok with electronics, but I have never attempted to create a circut board before. Maybe when my kids get a little bigger I'll take a chance to try it.
    “Being a guy doesn’t mean that we have to admit to our Foibles, but rather come up with better excuses” - Colin Mochrie

  8. #6
    What to break next? Brooklyn has not yet proved knowledgeable Brooklyn's Avatar
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    Default Re: Obd 2

    Its too bad that scantool doesnt sell prefabbed professional PCBs with all the components you require unsoldered in a kit. It would save them money on having them manufactured, which translates into a savings for the end user. Soldering is easy enough for most people. Fabricating a board from copper clad is tedious because of all the small steps neccessary.
    Last edited by Brooklyn; 05-25-2005 at 10:52 PM.

  9. #7
    '04 XD2 TW GT 5Dr Owner getfuzzd has not yet proved knowledgeable getfuzzd's Avatar
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    Default Re: Obd 2

    you can also get the CarChip
    http://www.davisnet.com/drive/produc....asp?pnum=8221
    I found it at sears for $150
    but I'll probably go with the scantool.net and an old laptop/carputer if I do anything
    Last edited by getfuzzd; 05-26-2005 at 09:00 AM.
    Bleed Green, MSU all the way!

  10. #8

    Exclamation Re: Obd 2

    Alriight I have an OBD 2 to usb cable now I need the software
    Anyone know of the software that is used for a 2004 Hyundai Elantra GT and where can I get this software!

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