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    Problem with Ultrasonic I2C

    Scheduled Pinned Locked Moved Units
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    • M Offline
      maiknaef
      last edited by

      Hello everyone,

      I am new to M5Stack.

      I have a Core 2 and the Ultrasonic i2c connected to it. Now I have the problem that the value on the Core 2 always shows -1. Am I doing something wrong when setting it up?
      Connect, select unit, then insert the blocks, upload code.

      Thank you in advance for your help.

      Screenshot 2026-01-13 194529.png

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      • Y Offline
        ymd_m @maiknaef
        last edited by

        @maiknaef Hello.
        I have same problem with AtomS3, nanoC6 and Atom lite and Din Meter.
        However M5dial works fine. I tested Uiflow2.4.0 and 2.4.1.
        It is strange because M5dial and M5Din meter are uses StampS3.
        Sorry I have no idea at this moment, however hopefully it solved in future.

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