Activity Forums Questions & Troubleshooting Hardware Nextion Communication issue

  • Nextion Communication issue

     Jarda updated 1 year, 5 months ago 2 Members · 2 Posts
  • chaouz

    Member
    April 17, 2020 at 9:24 am

    So, i have been working with nextion display enhanced version and controllino mini(Arduino uno) or controllino maxi automation (arduino mega) for almost 2 years. I have made a few projects that work really well and one day suddenly only one side of communication works (from arduino to display)

    this is third day i am trying to figure it out and im at the end. I have no other ideas why it works just one sided. i have tried using old microcontroller or old display it just doesnt work. only old projects work. I took old nextion display from my project uploaded same code to it and now communication doesnt work on that project. I dont think that there`s issue with my code but it could be there. I have made a simple code but the results were the same (it only works from arduino to nextion) It just doesn`t make sense why it would work only on one side – that means that baudrate is the same that configuration is ok and so on…

  • Jarda

    Member
    April 17, 2020 at 12:16 pm

    Hello,

    I’m very sorry, but the question is too general to help.

    Could you please be more specific? Do you have old project as HEX file or are you compiling it?

    Issue can be also different version of IDE.

    Regards

    Jarda

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