About DCC++ and program and read CV of decoder

carlosrf Jul 28, 2019

  1. carlosrf

    carlosrf New Member

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    It is possible with Arduino Uno and motor shield, configuration that I have now, read the CVs of a decoder. I do not find the form, since the L298 only has outputs to the main road and programming path, when I test with the Arduino monitor I get a -1 and JMRI says error 308, there is no agreement of the decoding. Therefore I think there is no way to read what was written in the CVs. Is that so? Is there any possibility or project that I can program and read a decoder. Or there is some error in what I manufactured strictly following what was published. Thank you very much, greetings
     
  2. Onizukachan

    Onizukachan TrainBoard Supporter

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    Possibly an error in the assembly of the jumper wires?
    You can read on the programming track no issue.
     
  3. wvgca

    wvgca TrainBoard Member

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    the way it's supposed to be set up is running on the main track, with programming / reading CV value only on the programming track ...is this how yours is set up now??
     

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