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    M5Atom Matrix crashing: can't use

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    matrix crash arduino ide
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    • F
      FunkyFab
      last edited by

      Dear all,

      I have a M5Atom Matrix, and using Arduino IDE to program it.
      Last sketch I wrote was faulty, and now, the M5Atom Matrix is crashing as soon as its plugged in.
      As a consequence, the serial port opens, and closes immediately, which makes it impossible to connect to in order to load a different sketch.
      How can I deal with that?

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      • felmueF
        felmue
        last edited by

        Hi FunkyFab
        normally when that happens I connect GPIO0 to GND and then connect power to force the ESP32 into download boot mode. However GPIO0 doesn't seem to be exposed on the M5Atom. Maybe GPIO0 is at least connected to an internal test point on the PCB inside the M5Atom? I am only guessing here as I don't own a M5Atom.
        Good luck.
        Felix

        GPIO translation table M5Stack / M5Core2
        Information about various M5Stack products.
        Code examples

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        • m5stackM
          m5stack
          last edited by

          hi, you could try these way
          long press the reset button when you upload the sketch. when you see the log start uploading.. release the button or try to use another USB Port.

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          • F
            FunkyFab @m5stack
            last edited by

            @m5stack: thanks. According to the Arduino IDE, it's flashed. However, despite the fact that I use a very simple sketch from the examples (WifiScan), it's still crashing.
            My Board is correct (M5StackCore-ESP32), my upload speed is 115200, flash frequence 80 MHz, flash mode QIO, partition scheme Default (also tried NO OTA).
            The serial monitor shows some output from the board, but unintelligible (I've tried all the possible baud values).
            Is there any option that I've missed ?
            Regards

            m5stackM F 2 Replies Last reply Reply Quote 0
            • m5stackM
              m5stack @FunkyFab
              last edited by m5stack

              @funkyfab not. use ATOM you should select M5StickC or ESP32 Pico board. upload speed setup 1.5M or 115200

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              • F
                FunkyFab @FunkyFab
                last edited by

                @funkyfab : had to flash with DIO mode once.

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                • felmueF
                  felmue
                  last edited by

                  Hi FunkyFab

                  interesting... Thanks for sharing. Glad you got it working again.

                  Cheers
                  Felix

                  GPIO translation table M5Stack / M5Core2
                  Information about various M5Stack products.
                  Code examples

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