Activity › Forums › Questions & Troubleshooting › I2C communication problem › Reply To: I2C communication problem

  • Louis_Kortel

    Member
    July 14, 2021 at 6:58 am

    Hello Johi, thank you very much for your help.

    Yes, I am happy to do so, thank you. Maybe that could help me!

    I also have at my disposal a Uno board on which I can communicate in I2C with the screen or other I2C components. But with the Controllino Maxi Automation it is impossible for me to do this.

    For power, I power the Controllino in 24V and it powers my screen via the 5V output pins.

    To communicate I use SDA and SCL (20 and 21)

    I was wondering if it was possible to flash my Controllino card with my Arduino Uno, I saw that this was possible for the Controllino Mini? Maybe that could tell me if my problem comes from hardware or software?

    Best Regards,

    Louis

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