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Thread: Obd-ii

  1. #1
    Variable Bitrate Grimey's Avatar
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    Obd-II

    http://sourceforge.net/projects/freediag

    Found this on another thread. Came from http://www.obddiagnostics.com/ in case anyone was wondering.

    Not sure if people already have this or what but it's linux so I figured I would post it.
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  2. #2
    Variable Bitrate rubicon's Avatar
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    Sweet - thanks!

    Anybody know of a cheap (free, if I can build it myself) way to get the data out of the OBD connector?

  3. #3
    Constant Bitrate Big Zack's Avatar
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    Quote Originally Posted by rubicon
    Sweet - thanks!

    Anybody know of a cheap (free, if I can build it myself) way to get the data out of the OBD connector?
    obddiagnostics.com sells a kit for $38. Consists of pre-programmed interface chip, crystal, two caps for crystal, and OBDII connector. You still need some common parts to complete the build, these are just the parts that are not commonly available. Order page is here.

    Here is a thread on an OBDII project document as found in elecktor electronic magazines: http://www.mp3car.com/vbulletin/engine-management-obd-ii-engine-diagnostics-etc/26005-any-interest-for-a-cheap-obd2-reader-post200734.html

    Here is another DIY one, but I think it might be the same info as above: http://www.scantool.net/resources.htm

    You will also need a cable.

    - Z
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  4. #4
    Variable Bitrate rubicon's Avatar
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    Vielen dank.

  5. #5
    mox
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    Constant Bitrate mox's Avatar
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    Scantool and obddiagnostics are different interfaces which are incompatible. Scantool seems to be the most popular one, as it consists of only a few components and a cheap pre-programmed ELM32* processor (320, 322 or 323, depending on car interface type).

    Most OBD2-software out there has been written for ELM-based interfaces. Looks like most DIY-interfaces are ELM-based, too.
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  6. #6
    Constant Bitrate Big Zack's Avatar
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    Bitte!
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