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Thread: Custom USB tyre pressure monitoring interface

  1. #701
    Lok
    Lok is offline
    VENDOR - Portal Media Lok's Avatar
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    I had my sensors professionally installed at Discount Tire Co. They had no problems in the installation but I was told that if I were to hit a large pothole I would most likely break a sensor (maybe all of them). This was due to the fact that I have ultra low profile tires and also because the sensors didn't sit flat against the Rim (the way my enkies are designed they couldn't) they actually were sticking out.

    By the way I don't think anyone answered this yet but is there a way to do the learning procedure without CF or RR?

  2. #702
    Maximum Bitrate bes51659's Avatar
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    Yes, I had a pro break my sensor too :-)
    [media]http://web.comhem.se/mulle4/tpms_wheel.jpg[/media]
    100 including stabilizing.

  3. #703
    Constant Bitrate
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    Quote Originally Posted by bes51659 View Post
    Yes, I had a pro break my sensor too :-)
    On a positive note, we got to know what is inside the sensor
    Do you have detailed snapshots of the sensor board...I'm curious to know the transmitter chipset.

  4. #704
    Maximum Bitrate Robby BMW's Avatar
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    As I said in this post, it is possible to perform the learning procedure with the configuration tool provided with the RoadRunner plugin, even if you use Centrafuse.
    There isn't need to install RoadRunner, just download the last release of RRTMS plugin from here end extract the program "RRTMS Config.exe".
    _______________________________________
    Car installation 95% [■■■■■■■■■■■■■■■■■■■]
    Current project: Parking sensor USB interface

  5. #705
    Maximum Bitrate Robby BMW's Avatar
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    Quote Originally Posted by bes51659 View Post
    One question: Without looking into the spec of the pic the learning problem must be in the writing/erasing of EEProm/flash in the pic. Or possibly some powersupply issue as write cycles might require a second voltage supply. What do you think? Is there a new pic sw in the pipe?
    No, the problem was due to a bug in the management of the USB input buffer.

    Maybe you have confused the program flash memory, that require a second voltage supply to be programmed with the internal EEPROM, that can be written and erased directly by the program.
    _______________________________________
    Car installation 95% [■■■■■■■■■■■■■■■■■■■]
    Current project: Parking sensor USB interface

  6. #706
    FLAC WuNgUn's Avatar
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    Quote Originally Posted by Robby BMW View Post
    As I said in this post, it is possible to perform the learning procedure with the configuration tool provided with the RoadRunner plugin, even if you use Centrafuse.
    There isn't need to install RoadRunner, just download the last release of RRTMS plugin from here end extract the program "RRTMS Config.exe".
    And once the RRTMSconfig is setup, the Centrafuse plugin has access to this config info, and no further setup is needed (for CF)?

  7. #707
    FLAC WuNgUn's Avatar
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    This input buffer issue is not related to the audio stuttering issues some of us are having with the TPMS plugged into the USB port?

  8. #708
    Maximum Bitrate Robby BMW's Avatar
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    Quote Originally Posted by WuNgUn View Post
    And once the RRTMSconfig is setup, the Centrafuse plugin has access to this config info, and no further setup is needed (for CF)?
    Don't pay attention to the other settings, just use the "Learn" buttons to pair the sensors.
    _______________________________________
    Car installation 95% [■■■■■■■■■■■■■■■■■■■]
    Current project: Parking sensor USB interface

  9. #709
    Maximum Bitrate Robby BMW's Avatar
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    Quote Originally Posted by WuNgUn View Post
    This input buffer issue is not related to the audio stuttering issues some of us are having with the TPMS plugged into the USB port?
    Does the problem occur when the TPMS is simply plugged into the USB port or only when the plugin is running?
    _______________________________________
    Car installation 95% [■■■■■■■■■■■■■■■■■■■]
    Current project: Parking sensor USB interface

  10. #710
    FLAC WuNgUn's Avatar
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    Quote Originally Posted by Robby BMW View Post
    Does the problem occur when the TPMS is simply plugged into the USB port or only when the plugin is running?
    Just having it plugged into the USB port...
    I haven't tried running it yet (still on the bench)

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