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    Hardware suggestions for next version of products

    Scheduled Pinned Locked Moved PRODUCTS
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    • D Offline
      DoNcK
      last edited by

      Audio amplifier auto off

      I suggest to hardware implement auto-disabling of the audio amplifier when not playing any audio.
      Some power savings could be achieved and the device would be prevented from producing unexpected noises.

      How:
      The audio amplifier chip has an "enable" pin.
      I think it would be a good idea to use a low pass filter fed from the audio output so it would disable the amplifier after the "dac" was set to 0 for long enough.
      This way, it would not be necessary to allocate one of the ESP32 outputs to control the amplifier chip.

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      • reaper7R Offline
        reaper7
        last edited by

        good idea!

        MY GITHUB: https://github.com/reaper7/

        1 Reply Last reply Reply Quote 0
        • m5stackM Online
          m5stack
          last edited by

          yes, i will change the design. thank you!

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