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    Cardputer ADV

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

      Hello.
      Does anyone's internal RTC module work?

      felmueF 1 Reply Last reply Reply Quote 0
      • felmueF Offline
        felmue @Mamoulian
        last edited by

        Hello @Mamoulian

        can you be more specific about what you mean by internal RTC module? According to the specifications M5Cardputer Adv does not have an RTC chip inside. What am I missing?

        Thanks
        Felix

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

        M 1 Reply Last reply Reply Quote 0
        • M Offline
          Mamoulian @felmue
          last edited by

          @felmue The M5Stack Cardputer, specifically the Cardputer-Adv version, does not explicitly list an "adv rtc module" in its specifications. However, it is powered by the ESP32-S3FN8 core processor, which includes two built-in RTC timers. One of these has a lower resolution (around 6us) and operates as long as it has power, while the other offers higher resolution (1us) but does not function in sleep modes. It's important to note that neither of these built-in RTC timers retains time across reboots.

          felmueF 1 Reply Last reply Reply Quote 0
          • felmueF Offline
            felmue @Mamoulian
            last edited by

            Hello @Mamoulian

            thank you for that information. I was not aware the the timers in ESP32S3 are also called RTC timers.

            Thanks
            Felix

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

            1 Reply Last reply Reply Quote 0

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