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Thread: /hobd - extended OBD2 based trip computer for WinCE/PocketPC/WinMobile/Windows

  1. #71
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    May 2011
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    [QUOTE=cail;1448416]dcjb,
    apmostert ,
    On your unit you should have an option to run external software from SD card. It could be named like "External navigation software".
    You then put hobd (standalone version) onto your SD card and point out "hobd.exe" as an external software to run.

    Alternatively, you should read on how to access winCE shell directly on your hardware. That depends.


    OK Thanks

    Will try that the weekend.

    Any idea how to find the bluetooth comport on these devices. Or even the usb port

  2. #72
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    Yes, i try it, and it works manualy.
    Ok, will see what could be done on this.

    But the 0.9 version dont work for me.
    Thats strage. Could you reproduce the problem with 0.9 and send log.txt to support at hobdrive.com? Thanks.

  3. #73
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    Not found the bt OBDII reader. The 0.8 working exelent, shut down, start the 0.9 and nothing. i setted the bt pin number, accepted, but the circle in the left down corner is red, or yellow.

  4. #74
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    Jun 2011
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    mazda

    Hi
    I installed one of the cheap obd2 readers off ebay, it works great, just the question is...
    I have 2.0 diesel mazda 6, so i`m using engine load sensor, seems to be working fine, but the current fuel consumption is kinda slow, it looks like it`s not catching all the datas as i`m reeving engine, the shoulb be huge numbers like 45 l/100km or so...especielly from 1st to 2nd gear. Sometimes i`m getting 19litres but thats it. How is engine load sensor calculating consumption? And is it ok?
    Thanks in advance
    Martin

  5. #75
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    Quote Originally Posted by cail View Post
    dcjb,
    apmostert ,
    On your unit you should have an option to run external software from SD card. It could be named like "External navigation software".
    You then put hobd (standalone version) onto your SD card and point out "hobd.exe" as an external software to run.

    Alternatively, you should read on how to access winCE shell directly on your hardware. That depends.

    I have installed an it works fine. The red circle in the bottom left corner goes yellow. I guess that could mean the bluetooth is connecting but the OBDII ECU to CPU is not. I think I need to find a OBDii to CAN unit that will work with VW T5. Any recomendations?


    Yocee84, does it works this way on your unit? Because not many PNAs have an option to autostart upon charge activated.
    I'll see what could be done on this.


    You should try "Toyota" vehicle type and "Injector" MPG calculation method. if these not working, MAF will work for sure.

  6. #76
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    Quote Originally Posted by Yocee84 View Post
    i setted the bt pin number, accepted, but the circle in the left down corner is red, or yellow.
    Can you just try copying config.xml from 0.8 folder to 0.9 folder and try again?

    the current fuel consumption is kinda slow, it looks like it`s not catching all the datas as i`m reeving engine, the shoulb be huge numbers like 45 l/100km or so...especielly from 1st to 2nd gear. Sometimes i`m getting 19litres but thats it. How is engine load sensor calculating consumption? And is it ok?
    The method is not universal for all engines - you should read users manual to check on how to calibrate it. In short you may try to increase "EL coefficient" in settings (that'll give you a global scale). But since you feel it is wrong only on high revs - probably you should tune up EL curve (read about it in manual).

  7. #77
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    It`s not just the high revs, sometimes it`s showing infinity...It feels like it`s showing the actual numbers few moments later or is showing infinity.
    Explanation
    When i put neutral from 3rd gear for example, it shows the higher numbers when neutral is on...

    The easier way.
    I just have a feeling, it`s not processing all data from ecu. My average fuel consumption drop from initial 17l/100km to 4.0l/100km, for 2.0 liter diesel engine. When i look on the actual consumption, the numbers are jumping but they often disappear and infinity shows on. So i have question, is the unit missing info from ecu when inf. is on and is not calculating all the data then, or it`s not just showing it and its calculating right and then my car is bloody good fuel saver?
    thanks for your help with this, i`m trying just figure out how to setup this thing properly.
    matoo

    PS: can you explain me what happen when i change Engine Load MPG Coefficient from 1 to 2? What is the difference...

    Quote Originally Posted by cail View Post
    Can you just try copying config.xml from 0.8 folder to 0.9 folder and try again?


    The method is not universal for all engines - you should read users manual to check on how to calibrate it. In short you may try to increase "EL coefficient" in settings (that'll give you a global scale). But since you feel it is wrong only on high revs - probably you should tune up EL curve (read about it in manual).
    Last edited by matood; 06-25-2011 at 10:43 AM.

  8. #78
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    [QUOTE=cail;1448642]Can you just try copying config.xml from 0.8 folder to 0.9 folder and try again?
    QUOTE]

    it works! Thanks!

  9. #79
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    Quote Originally Posted by matood View Post
    It`s not just the high revs, sometimes it`s showing infinity...It feels like it`s showing the actual numbers few moments later or is showing infinity.
    First, may be you have to read user's manual (on the site) - may be you just not getting some value's definitions right..

    When i put neutral from 3rd gear for example, it shows the higher numbers when neutral is on...
    Please explain which sensor you are referring to. Having short term fuel consumption infinity is normal in case your speed is zero for example.
    You may try latest beta (http://hobdrive.com/download/hobd/hobd-0.9.7.zip) - it has instant and short MPG fixed - so they run much smoother and reliably.

    I just have a feeling, it`s not processing all data from ecu. My average fuel consumption drop from initial 17l/100km to 4.0l/100km, for 2.0 liter diesel engine.
    Again, you have to name the sensor. Having short term or instant fuel consumption much less (or much higher) than your trip fuel consumtion is normal..
    Of course if you are saing about trip fuel consumption - then this just means you need calibration.

    When i look on the actual consumption, the numbers are jumping but they often disappear and infinity shows on. So i have question, is the unit missing info from ecu when inf. is on and is not calculating all the data then, or it`s not just showing it and its calculating right and then my car is bloody good fuel saver?
    Infinity is sometimes showsup with instant fuel consumption. Again, try the update above and checkout the difference. But for real understanding you should refer to your trip fuel consumption (central number on a "trip computer" screen).

    PS: can you explain me what happen when i change Engine Load MPG Coefficient from 1 to 2? What is the difference...
    Hobdrive will correct your FC so if you have now 4 l/100km, it'll make it 8 l/100km.

    Read manual on how to calibrate it. In short - the best way is to measure FC on full tank: you should reset trip in hobd, fillup the full tank, record odometer value, then drive full tank, calculate you fuel economy on a tank, and compare this with trip fuel economy from hobd (or just compare total fuel spend from hobd with total fuel spent from your tank).
    If these are different, you should apply scaling coefficient as above.

    In future versions the plan is to allow hobdrive automatically apply such corrections - but for now the only way to do this - is manually.

  10. #80
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    Thanks will try.
    About the sensor, don`t know which one, but the value is on second screen on top in the middle, thats current consumption in that moment.
    Reason why is this value important to me is i don`t have factory trip computer in my car. This car is equipped with DPF filter. When the filter is regenerating, current fuel consumption going from normal, let`s say 5,5l/100km to 10l/100km. If the regeneration is not done completely, the diesel which is not used for regeneration is going into oil. Then the level of oil is rising and when it`s too much i have to change it. I even have a third mark on oil scale for checking. It`s mazda system...
    And i want to know when this is happening to prevent any unfinished regenerations.

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