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Thread: How to work a microOBD?

  1. #11
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    Quote Originally Posted by Bugbyte View Post
    Is this possible using the J960 connector?
    Absolutely.

    I don't see any DC power available on the J960 connector, but you could power the microOBD circuit from the car battery via the OBDII cable and a regulator.

  2. #12
    SuperMod - OBDII GPS Logger forum
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    What would be completely awesome is to build a special board for the microOBD that connects to one of the expansion connectors of the igepV2 and on the other end has a DB9 for the OBDII cable.
    Yes. this is what I desire.
    OBDGPSLogger, for logging OBDII and/or GPS data
    OBDSim, an OBDII/ELM327 software simulator
    mp3car forums: obdgpslogger, obdsim

  3. #13
    VENDOR - ScanTool Vitaliy's Avatar
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    What would be the advantage of a custom microOBD based design, over the OBDLink S?

    http://www.scantool.net/scan-tools/p...obdlink-s.html

    It seems to have everything you need, all you would have to do, is just build a custom adapter cable to go from the DB9F (RS232) to one of the IGEP RS232 ports.

    It's pretty small, too.

    Vitaliy
    OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

  4. #14
    Admin. Linux loser.
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    Bugbyte's Avatar
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    I think the idea is to have a low powered computer that includes an inexpensive OBDII interface that can be turned on and off by the computer.

    I'm not sure what Chunky_Ks' idea was but I think it would be cool to have a low power always-on device that could host a website on an internal server via it's WiFi using your phone and read codes, logs of data, see graphs and so forth.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

  5. #15
    SuperMod - OBDII GPS Logger forum
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    As bug said; the primary reason to use a microOBD is the power thing. I came back from vacation a couple months ago to a dead battery. :-(
    Nowadays I only commute in my car between zero and three days a week, so the risk of a battery dying is much greater.

    I also like the idea of the OBDII device being built into the main case, as well as the fact it wouldn't use up a USB port. As you say, the obdlink-S may mitigate that by using the serial port and going onto the board's expansion port, but I dunno if that's any more or less feasible than the microOBD when it gets down to "write up a list of components I actually need". The obdlink-S is also double the price of the microOBD.

    Overall, if I had some good way to
    1) Power the {OBD thing} from the {computer thing} instead of the {car thing}
    2) plug the {OBD thing} directly into the {computer thing's} without using up a USB port
    then that would mitigate most of the problems I actually have right now.

    Gary (-;
    OBDGPSLogger, for logging OBDII and/or GPS data
    OBDSim, an OBDII/ELM327 software simulator
    mp3car forums: obdgpslogger, obdsim

  6. #16
    VENDOR - ScanTool Vitaliy's Avatar
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    Quote Originally Posted by chunkyks View Post
    As bug said; the primary reason to use a microOBD is the power thing. I came back from vacation a couple months ago to a dead battery. :-(
    Nowadays I only commute in my car between zero and three days a week, so the risk of a battery dying is much greater.

    I also like the idea of the OBDII device being built into the main case, as well as the fact it wouldn't use up a USB port. As you say, the obdlink-S may mitigate that by using the serial port and going onto the board's expansion port, but I dunno if that's any more or less feasible than the microOBD when it gets down to "write up a list of components I actually need". The obdlink-S is also double the price of the microOBD.

    Overall, if I had some good way to
    1) Power the {OBD thing} from the {computer thing} instead of the {car thing}
    2) plug the {OBD thing} directly into the {computer thing's} without using up a USB port
    then that would mitigate most of the problems I actually have right now.

    Gary (-;
    OK, thanks for clarifying. Do you guys know you can put OBDLink S to sleep, using a software command, or configure it so it automatically times out and wakes up on UART activity? See this doc:

    http://www.scantool.net/scantool/dow...-powersave.pdf

    Re: cost, it can be comparable to microOBD's if you buy the board only and use it for hobby purposes.

    Re: additional components, you only need two: OBD cable to connect OBDLink to the DLC, and another cable to connect three of the UART lines (Tx, Rx, Ground). For this last one, you could simply solder three wires b/w OBDLink and the IGEP board.

    Vitaliy
    OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

  7. #17
    Constant Bitrate
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    chunkyks,

    I could easily build this... heck, I already did... this is how I control my microobd200... powered by the PC and connected direct to a UART.

    What would be your ideal configuration? E-mail me at rschilg at gmail dot com and I could whip up a kit for ya... you seem like a nice guy... and being that I am a hardware guy, and you are a software guy, we might be able to help each other out on a few things
    e46|700tsv 2005 model|sb51g xpc2.4ghz opus 150|I-bus|XM Direct&cables | slim slot USB DVD-cdrw|Hawking 54g|iGuidance 2.1-HoluxGPS
    sold it all... :-(


    Coming Soon - 2007 BMW 335i UMPC install

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