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What the cheaper and best ODB II to buy?

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  • What the cheaper and best ODB II to buy?

    I am looking for one to interface in my car. I've seen some at like Auto Zone but they seem to be made to use in the car and then bring inside and download to your home computer. I just want one to stay in my car.

  • #2
    I'd also like to know...

    Also, aren't most if not all ODB-II serial interface? I don't see how people can run that to their trunks if serial cables can only be so long.

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    • #3
      Serial cables can be mad long. I've seen some stretch for a couple hundred feet and still work fine. I have a 15 ft one in my own car for my OBD II interface and it works great.
      StreetDeck.com Developer (I am Chuck)
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      • #4
        www.obddiagnostics.com the interface is very ghetto but it works. hopefully they will develop modern software for it.
        http://www.cardomain.com/id/seanklsc

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        • #5
          Originally posted by Bailey
          www.obddiagnostics.com the interface is very ghetto but it works. hopefully they will develop modern software for it.
          Shame they only ship to the US ........ the prices are very good

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          • #6
            go on scantool.net
            Roy

            2005 Range Rover 4.4
            Any ideas for putting a PC in this? :)

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            • #7
              Just one thing though... Cheaper and Best? Well it doesnt exist... cheaper is the elmscan based stuff i think (like scantool.net stuff) and best would be more expensive...

              I would suggest the AutoTap one (I think that is the one) it is about $200 (the elmscan ones are half the price) but the autotap gives you more up to date sensor readings, while elmscan can only read once per second, so if you are monitoring 3 sensors, each sensor will be read once every 3 seconds....
              Roy

              2005 Range Rover 4.4
              Any ideas for putting a PC in this? :)

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              • #8
                Speaking of cheap

                http://www.digimoto.com/
                I have found you an argument; I am not obliged to find you an understanding.

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                • #9
                  Originally posted by rushnrockt
                  Speaking of cheap

                  http://www.digimoto.com/
                  It looks like a decent package.. Does anyone have this?

                  I looked at the obddiagnostics.com software and wasn't thrilled with the Interface, but is that a valid reason to dismiss it?
                  Dr. Ron Paul for President 2008

                  Hope for America - http://www.ronpaul2008.com

                  Who is Ron Paul? - Why do we need Ron Paul?

                  __________________
                  CarPC Newbs Start Here: All your questions answered, as if by E.S.P.

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                  • #10
                    I have the digimoto. Works great and has lots of features.
                    Only drawbacks are that it updates at 2.5/sec which is quite slow. If you are using the OBD for something other than performance statistics, go for the digimoto.

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                    • #11
                      http://www.planetfall.com/~jeff/obdii/
                      Very cheap, if you have a compatible car ("VWs, Audis, SEATs and Skodas").

                      There was an article in Circuit Cellar Ink about an ODBII interface; it looked like it wouldn't cost much to build. October 2000, issue 123. "Routine Checkup—An Automotive Diagnostic Scan, by Dan Harrison"
                      You can buy the interface, and/or d/l the software: http://www.ghg.net/dharrison/
                      If you can find the article and build your own, the .s19 file for programming the micro is at: ftp://ftp.circuitcellar.com/pub/Circ...arrison123.ZIP

                      I just can't figure out where the ODB interface port is on the one-barrel Holley 1904 carb on the 223 Ford six.

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                      • #12
                        Originally posted by Nico3k
                        Hey.. before I started my project I saw yours over there at mini-itx.com.. nice work! The Ikea keybox was a great idea and I tried to find something similar for my endeavor.. but since the dimensions were different I was unable to find anything prefab in the correct size, so I just built my own enclosure. Oh well.

                        Anyway, good job!

                        Peace!
                        Dr. Ron Paul for President 2008

                        Hope for America - http://www.ronpaul2008.com

                        Who is Ron Paul? - Why do we need Ron Paul?

                        __________________
                        CarPC Newbs Start Here: All your questions answered, as if by E.S.P.

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                        • #13
                          Originally posted by BassBinDevil
                          http://www.planetfall.com/~jeff/obdii/
                          Very cheap, if you have a compatible car ("VWs, Audis, SEATs and Skodas").

                          There was an article in Circuit Cellar Ink about an ODBII interface; it looked like it wouldn't cost much to build. October 2000, issue 123. "Routine Checkup—An Automotive Diagnostic Scan, by Dan Harrison"
                          You can buy the interface, and/or d/l the software: http://www.ghg.net/dharrison/
                          If you can find the article and build your own, the .s19 file for programming the micro is at: ftp://ftp.circuitcellar.com/pub/Circ...arrison123.ZIP

                          I just can't figure out where the ODB interface port is on the one-barrel Holley 1904 carb on the 223 Ford six.

                          I checked the website and couldn't find active links for the article. I then checked out the zip file and boy is it small. I'm guessing that this is only for the ISO9141 interface and not the VPW or PWM interfaces.

                          Do you or anyone else have a copy of the schematic in this artical?

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