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Thread: Which Teensy is used in this project (CD changer emulaton for yountimer car)?

  1. #1
    Junior Member
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    Which Teensy is used in this project (CD changer emulaton for yountimer car)?

    Good morning,
    I'm new to this forum, and until yesterday didn't even know that there was a world behind Esp32, Arduino, Raspberry & Co.
    With the latter, I've been working over the past months in order to get an emulation of a mid nineties Alpine CD changer to work in my old Jaguar XJS (the head unit needs to detect a CD changer via a protocol called M-Bus in order to open the audio input, which then can be (ab)used as aux in, Bluetooth in etc.).
    I already have some working configurations, but recently I found on Github an 8 years old project that makes it possible to have the aux input parallel to the CD changer: UbarCDC by Tim Otto.
    Even if the project author mentions that it s an "Arduino based" solution, the included Fritzing file reveals that he used a Teensy.
    Unfortunately, he doesn't mention which model the code is written for, and I wasn't able to get this information from the Fritzing file or the code itself (I'm not a programming pro...).
    So it would be great if sb. could have a look at the project and give me a hint on which microprocessor I should use. Perhaps there was only one Teensy model back in 2013? As I still have some Esp32 and Arduinos lying around, I would also be interested if it is possible to test the code on one of these.
    Thanks & best regards
    Martin

  2. #2
    Senior Member PaulS's Avatar
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    I assume he used a Teensy 3.0 as he made this commit: https://github.com/timotto/UbarCDC/c...2220ec089d8ff1

    Paul

  3. #3
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    Thanks a lot, Paul, I hadnít noticed that.

    Best regards
    Martin

  4. #4
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    Quote Originally Posted by PaulS View Post
    I assume he used a Teensy 3.0
    Hmm, Teensy 3.0 seems to be out of stock since a couple of days
    Should I expect Tims code/project to run on a 3.2 model?

  5. #5
    Senior Member
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    yes, should work.

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