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Thread: Cheap interface & Software for OBDII!

  1. #1
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    Cheap interface & Software for OBDII!

    Here is a link for a cheap interface and SOFTWARE!

    http://laplogger.com/features.shtml

  2. #2
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    $60... nice find!
    :: Mark

  3. #3
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    Does this work with CAN obdII and also how flexible is it - Would it work with some of the scantool.net software?

    Excellent find though!

  4. #4
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    Quote Originally Posted by TeckniX
    Does this work with CAN obdII
    The site implies it in a couple of places, but I couldn't find an absolute black & white answer. There're a couple of ways to contact them though...

    http://laplogger.com/about_us.shtml


    Would it work with some of the scantool.net software?
    From the site:
    Our interface turns your vehicle's OBD port into a Serial DB9-Female and responds to the ELM323 command set so you can use the extra free software available for such systems with our interface.
    (that'd be a "yes", I've used ScanTool with an ELM323 interface)
    :: Mark

  5. #5
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    well elmscan5 software is what i really wanted to make sure it was compatible.

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    Quote Originally Posted by TeckniX View Post
    well elmscan5 software is what i really wanted to make sure it was compatible.
    Hmmm... specific questions will tend to get you better answers. So now that we're being more specific...

    Here's the datasheet for the ELM323:
    http://www.elmelectronics.com/DSheets/ELM323DS.pdf

    The ElmScan 5 is based on the ELM327, it's datasheet is here:
    http://www.elmelectronics.com/DSheets/ELM327DS.pdf

    Heading to the home of the ElmScan 5, I found that it ships with a bunch of free and open source software:
    http://www.scantool.net/?mode=browseSoftware

    So what you need to do is to look at the software that's available and see if they will also support the 323 chip. The 327 command set is a superset of the 323, and a lot of this software has been around a while, so I would suspect that many apps ("most" even) will support the 323.

    Now, since you first asked about ScanTool (the specific software that the ScanTool people wrote for the interface), I went a bit nutty and downloaded/installed the app. Then I did two things: I looked at the README file (which confirmed that it works with the ELM323), and I pointed it to my ELM323 interface - which it found and used.

    Then I went even NUTTIER (!) and looked on ScanTool's support forum:
    http://www.scantool.net/forum/index.php

    Searching around in there, I found a number of references to people using the specific ScanTool software with the _older_ ScanTool hardware which was (is) ELM323 based.


    Hope that helps.
    :: Mark

  7. #7
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    ELM323 is NOT compatable with the CAN interface, but most, if not all, software that works with one ELM chipset works with all I beleive as it is the same commands to the ELM device. The elm device then forwards these commands on to the ECU via what protocol the ELM device supports. ELM323 supports ISO 9141-2 or ISO 14230-4. ELM327, what ElmScan5 uses supports "CAN (ISO 15765-4), as well as SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2 and ISO 14230-4".

    So does laplogger support CAN: NO
    So can you use software that works for ElmScan5 with laplogger: Most likley, if not a definite yes.

    Just wanted to add that laplogger is sold in 3 versions: Basically ELM320, ELM322, and ELM323.

    AND FYI Elm327 is a combination of the 3 + CAN I think

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