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Thread: Feeler: Open Source OBC Firmware

  1. #1801
    Join Date
    Aug 2007
    Location
    Vancouver, B.C., Canada
    Posts
    7,803
    My Cars
    '97 M3
    The open OBC is such an awesome thing. I wish it wasn’t lost and forgotten about.

  2. #1802
    Join Date
    Aug 2007
    Location
    Vancouver, B.C., Canada
    Posts
    7,803
    My Cars
    '97 M3
    I finally connected a fuel pressure sender up to the openOBC. It works like a charm and is within one psi to my datalogger sensor reading

  3. #1803
    Join Date
    Feb 2004
    Location
    Toronto
    Posts
    759
    My Cars
    S54/E36 ; E30 ; Saab
    what happen to the developers forum?
    #E36-S54 #CSLWannabe

  4. #1804
    Join Date
    Mar 2006
    Location
    NJ
    Posts
    288
    My Cars
    1998 328is, 2006 330ci ZHP
    Developer has clearly moved on to other things and the forum was hacked -- I knew this would happen eventually after I saw tons of comment spam and none of it was removed.

    I would be willing to run the numbers on a fully assembled reproduction of the design if I could find a source for new harness connectors. I recall a source and part numbers were mentioned somewhere in this thread some time ago but the search is worthless and I haven't found the information I need. If anyone can forward that to me here or PM, I'll look into it.

  5. #1805
    Join Date
    Nov 2012
    Location
    Lawrenceville, Ga
    Posts
    534
    My Cars
    1997 Estoril M3
    Please do. Ive really been wanting to do this but im not a coder and it would be great if we could get a base platform or a working unit to start with. I know I could get a good bit of interest in buying more units. Definitely would be a good market for it. Thanks.

    Sent from my LG-M153 using Tapatalk

  6. #1806
    Join Date
    Mar 2006
    Location
    NJ
    Posts
    288
    My Cars
    1998 328is, 2006 330ci ZHP
    Quote Originally Posted by EstorilB View Post
    Please do. Ive really been wanting to do this but im not a coder and it would be great if we could get a base platform or a working unit to start with. I know I could get a good bit of interest in buying more units. Definitely would be a good market for it. Thanks.
    There's a market, for sure. The question is how big it is. It turns out I specialize in prototyping and short runs so it might be a good fit, but I won't front the project. I'll need to do a kick or indy, or perhaps a simple pre-order. But before that happens I'll need to find a reliable source for those harness connectors. Again, if anyone can recall the page on which they were mentioned, let me know here or PM me.

  7. #1807
    Join Date
    Aug 2007
    Location
    Vancouver, B.C., Canada
    Posts
    7,803
    My Cars
    '97 M3
    I think a group buy would do it. Quite a few people have wanted on since he stopped selling them.

  8. #1808
    Join Date
    Mar 2012
    Location
    Birmingham, AL
    Posts
    4,967
    My Cars
    99 m3
    Quote Originally Posted by dwvcfii View Post
    There's a market, for sure. The question is how big it is. It turns out I specialize in prototyping and short runs so it might be a good fit, but I won't front the project. I'll need to do a kick or indy, or perhaps a simple pre-order. But before that happens I'll need to find a reliable source for those harness connectors. Again, if anyone can recall the page on which they were mentioned, let me know here or PM me.
    There were a few issues with the design that need to be reconciled. Some of us were working on a updated unit but we are all too busy to make consistent progress and it has mostly died off...


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  9. #1809
    Join Date
    Jul 2015
    Location
    Auckland, New Zealand
    Posts
    14
    My Cars
    1997 316i Sedan M43TUB19
    Quote Originally Posted by dwvcfii View Post
    Again, if anyone can recall the page on which they were mentioned, let me know here or PM me.
    These are the ones from the mouser list that was posted earlier in the thread. I don't know if they're meant to be an exact fit or if one of them required a little modification. I do have them and the plugs so I could try it

    https://nz.mouser.com/ProductDetail/571-953264-1
    https://nz.mouser.com/ProductDetail/571-1-1355154-1

    And the list itself: https://www.mouser.com/ProjectManage...sID=1762754b65

    It's not complete though, it's missing the MC33660 because they're not available anymore and one other IC as well, I've forgotten which.

    Quote Originally Posted by vollosso View Post
    There were a few issues with the design that need to be reconciled. Some of us were working on a updated unit but we are all too busy to make consistent progress and it has mostly died off...
    Is that to do with the K-line drivers frying? Was that ever sorted out?

  10. #1810
    Join Date
    Mar 2006
    Location
    NJ
    Posts
    288
    My Cars
    1998 328is, 2006 330ci ZHP
    Thanks for the links to the connectors. Good news is they are still available, though with a 3 month lead time.

    The MC33660 is just a kbus transceiver. A 2 minute search revealed at least two possible substitutions from reputable manufacturers.

    I spent some time reviewing the last few years of this thread and I can't seem to find any references to a kbus driver failure. If anyone has their eyes on the associated message(s), let me know.

  11. #1811
    Join Date
    Jul 2015
    Location
    Auckland, New Zealand
    Posts
    14
    My Cars
    1997 316i Sedan M43TUB19
    It was much later in the thread than I thought, just look for Raddee's posts on page 65 and 70
    I think he may be the only one to have reported it happening but it still makes me a bit nervous

  12. #1812
    Join Date
    Mar 2006
    Location
    NJ
    Posts
    288
    My Cars
    1998 328is, 2006 330ci ZHP
    Thanks for the tip. I found Raddee's posts, and although they reveal some kind of issue when attempting to talk with the DME over the d-bus they are not otherwise helpful in a technical sense. Some further troubleshooting would be in order.

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