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Thread: OBDII Arduino Shield

  1. #1
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    OBDII Arduino Shield

    Does such a thing exist? I've see how I can make my own, but I don't want to reinvent the wheel if I don't have to. I also saw a serial port shield. Would that work if my OBDII cable has a serial connector?

  2. #2
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    Quote Originally Posted by bwallen View Post
    Does such a thing exist? I've see how I can make my own, but I don't want to reinvent the wheel if I don't have to. I also saw a serial port shield. Would that work if my OBDII cable has a serial connector?
    What do you want to do? The arduino is probably capable of reading the serial data off the OBD device, and you "could" write code to interpret said data, but why? Specifically, why on an arduino and not on your PC?


    (As for the OBDII shield...maybe. I saw talk about it on a forum somewhere, but haven't seen a device for sale anywhere)

    VegasGuy

  3. #3
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    I'd rather go with an arduino because they're smaller and more cost effective than a full fledged PC. All I really want is to output some data to an LCD screen, such as RPM, MPG, error codes, etc. This way I won't have to buy a computer and touch screen LCD.

  4. #4
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    Quote Originally Posted by bwallen View Post
    Does such a thing exist? I've see how I can make my own, but I don't want to reinvent the wheel if I don't have to. I also saw a serial port shield. Would that work if my OBDII cable has a serial connector?
    Would this be what you are looking for ?

    http://www.sparkfun.com/products/10039

  5. #5
    Newbie jmdasilvas's Avatar
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    My Arduino + CAN BUS SHIELD working.

    3g CarPc Seat Leon FR 2008 - intel atom 330 - custom frontend LMC
    www2.dasilvas.info

  6. #6
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    I just made a virtual dashboard with an Arduino UNO, a LCD shield and a ELM327 adapter. Arduino communicates with a ELM327 and also gets powered from it.
    Last edited by stanleyhuang; 02-14-2012 at 11:35 AM.

  7. #7
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    You can take a look at my article:
    How to let Arduino talk with your car through OBD-II

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