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Thread: Custom USB tyre pressure monitoring interface

  1. #261
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    Quote Originally Posted by Fmode
    Hello,

    sorry for being absent for while and not reading here...

    I noticed this thread just before the question to buy Smarttire sensors again or to change the system to a cheaper one. So I decided to change (my summer-tires also need new sensors...)...
    I choose the Waeco TPMS (www.waeco.com) stuff for only 100 Euro and with 4 sensors but without a display (which I, and I guess you guys too, don't need) and it would be good to have a system from a vendor "with a name" (in 5-6 years if you need new sensors - but the batteries could be exchanged easily).
    Can you verify which Rf-chip is on your receiver board? Is it the same TDA5200 ASK Receiver, or not - if different, can you give us a part number, please Fmode
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  2. #262
    inh
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    Looks great Robby!
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    Space Navigator - 6 Axis input device: Take it apart - Driver App
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  3. #263
    Constant Bitrate almera's Avatar
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    Quote Originally Posted by Robby BMW View Post
    I am still working on it, please be patient, it is almost ready
    This is a screenshot of the preliminary release:
    Nice work again Robby, I'm also waiting for this sw, because I couldn't manage to get data from the hw, what could be wrong ..
    ----------------------------------------------------------------------

  4. #264
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    @ Almera: Are you running Roadrunner when you launch the Configurator?

    You have to - just launching the configurator without running RR frontend will not "detect" any id's from any wheel-sensors.

    As soon as you foolow Robby's install-tips in the RR plugin forum, and then launch RR, and then the configurator, you can press the "learn" button for any sensor, and it will blink a few times, and then stop blinking.

    After a short while, you may see some flashing red alarms in RR on the TPM screen, indicating - press and temps, albeit incorrectly, meaning that the sensors is communicating to the PIC, and the PIC to the plugin s/ware on your frontend.
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  5. #265
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    Quote Originally Posted by mrbean_phillip View Post
    Can you verify which Rf-chip is on your receiver board? Is it the same TDA5200 ASK Receiver, or not - if different, can you give us a part number, please Fmode
    the problem is there is no number on this receiver... and I can't look inside (if you are really interested I can try to get a small hole...)...
    your TDA5200 will need analog discrete parts to work... but you are a very tough I guess ...
    or didn't you find a source for complete receiver-modules ?
    Here is one:
    http://www.funkmodul.com/funkmodule/empfaenger.htm
    you should take ERX-06 because it has the max. sensitivity...


    Where did you get your tire sensors ? Why don't you buy the Waeco Kit with Receiver ? (4 sensors = 99 Euro , 4 sensors+receiver = 99 Euro ) (or do you want to build/sell a finished kit ?)

  6. #266
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    Erm, I have the 3rd Eye kit, and I made one working setup based on Robby's PIC, but I am just interested to know if yours use the Maxim IC or the TDA chip - my bet is your's is very similar to the ERX-06 you linked to....

    I would like to develope a smc solution, which includes RF Receiver, Robby's PIC (but SMC) all onto one pcb, which would make it easier, cheaper, and much smaller.

    Just luv tinkering, that's all

    edit: There is a very nice Max1473 evaluation kit available, which I can very easily adjus to suit our needs, and provided Robby can provide TSOP 18F2550's, it would be very easy to do an industrial-grade, robust design

    I am awaiting pricing on the eval kit, will keep everyone posted.
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  7. #267
    Constant Bitrate almera's Avatar
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    Quote Originally Posted by mrbean_phillip View Post
    @ Almera: Are you running Roadrunner when you launch the Configurator?

    You have to - just launching the configurator without running RR frontend will not "detect" any id's from any wheel-sensors.

    As soon as you foolow Robby's install-tips in the RR plugin forum, and then launch RR, and then the configurator, you can press the "learn" button for any sensor, and it will blink a few times, and then stop blinking.

    After a short while, you may see some flashing red alarms in RR on the TPM screen, indicating - press and temps, albeit incorrectly, meaning that the sensors is communicating to the PIC, and the PIC to the plugin s/ware on your frontend.
    Thanks, actually I have succeed in the learning process, but still can't see any data in RR. Checked plugin configuration also, seems ok. Maybe something wrong with my hardware, thanks for help, cheers
    ----------------------------------------------------------------------

  8. #268
    Maximum Bitrate Robby BMW's Avatar
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    Arrow Release TPMS Doctor, a new standalone utility to test the TMS-USB Receiver

    Ok guys, the new software is availabel for the download here.

    Name:  TPMS-Doctor.jpg
Views: 1577
Size:  107.8 KB


    Change Log:
    1.00
    - First release.

    1.10
    - Fixed the discrepancy between the pressure detected and the raw data displayed.
    - Fixed a little issue with the detection of the battery level.
    - Improved the description of operating state of sensors.

    1.20
    - Fixed a another issue with the detection of the battery level.

    1.30
    - Fixed a bug with the USB buffer.
    _______________________________________
    Car installation 95% [■■■■■■■■■■■■■■■■■■■]
    Current project: Parking sensor USB interface

  9. #269
    Constant Bitrate almera's Avatar
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    Thanks Robby, I will try it..
    ----------------------------------------------------------------------

  10. #270
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    Quote Originally Posted by Robby BMW View Post
    Ok guys, the new software is availabel for the download here.

    Name:  TPMS-Doctor.jpg
Views: 1577
Size:  107.8 KB
    Wait so Robby, can I use this to test my receiver if I DO NOT have the sensors installed in my wheels?

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