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    M5StickCPlus No Sound from Internal Buzzer

    Scheduled Pinned Locked Moved M5 Stick/StickC
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    • S Offline
      SE
      last edited by

      I must be missing something but I cannot seem to get any sound out of CPlus internal buzzer. I'm not sure if the Speaker Commands pertain to the internal buzzer or only the external hat speaker. I am using UIFlow but can do an Execute command if necessary.

      I have been playing with the Core2 for awhile but just got a StickCPlus today so a little clueless regarding it.0_1623037695118_Sound.jpg

      Any suggestions would be greatly appreciated.

      Thanks

      S 1 Reply Last reply Reply Quote 0
      • S Offline
        SE @SE
        last edited by

        @se Ok I found that the buzzer is connected to GPIO2 so used a PWM and am able to get a very low volume tone out if it. So, can someone tell me how to get a usable audio level out of this little buzzer.
        0_1623038288472_image_2021-06-06_235808.png

        Thanks

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

          @se

          Here is a project I built with the M5StickCPlus that uses the buzzer.

          https://github.com/bstein2379/M5StickC-Plus-Ringtone-Jukebox

          I set freq=100 and duty=0

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