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    Noisy while running

    M5Stack Fire
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    • mathiasM
      mathias
      last edited by

      Hi there,

      Is it normal that the fire device is quite loud in operation i.e. it makes a high pitched beeping noise. I have another core2 and it is much quieter.

      Is this normal or is there something wrong with my device?

      Thanks for your feedback.

      Regards,
      Mathias

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      • world101W
        world101
        last edited by

        It's common. Just search this forum and internet and you will see. My Fire is more noisy than my Core Grey. The Core2 is much more quiet (the audio circuits were redesigned in the Core2 hardware).

        The way to quiet it some in software is to write a 0 to DAC pin 25, however, it doesn't totally silence it. some people's ears (like mine) can still hear some noise.
        https://community.m5stack.com/topic/159/bug-analogread-35-beeps

        There is a hardware mod if you care to do it on your device...
        https://community.m5stack.com/topic/367/mod-to-programmatically-disable-speaker-whine-hiss

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        • sodokuS
          sodoku
          last edited by

          @world101 did it also get louder for you using 1.7.1? I have a feeling it wasn't as loud with 1.7.0

          mathiasM 1 Reply Last reply Reply Quote 0
          • mathiasM
            mathias @sodoku
            last edited by

            @sodoku Not proved as I bought the fire some days ago and directly burned it with 1.7.1. Noise is not very loud but did not expected it as I own a core2.

            sodokuS 1 Reply Last reply Reply Quote 0
            • sodokuS
              sodoku @mathias
              last edited by

              @mathias would you mind trying to flash 1.7.0 and see if it gets better?

              world101W 1 Reply Last reply Reply Quote 0
              • world101W
                world101 @sodoku
                last edited by

                @sodoku

                I just tested both on the same Fire hardware device. v1.7.0 is more quiet than v1.7.1. Not totally silent, but there is a regression when flashing v1.7.1 (it's more noisy).

                sodokuS 1 Reply Last reply Reply Quote 0
                • sodokuS
                  sodoku @world101
                  last edited by

                  @world101 said in Noisy while running:

                  quiet

                  Thank you for testing. Good to know it's not only me 😂

                  I wonder what the reason is. Do you think we should add a post in the bugs section?

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                  • mathiasM
                    mathias
                    last edited by

                    @world101 Ah, thx. Will have a look.

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