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    RPI 4 hibernation

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    • E Offline
      Egnos
      last edited by

      Hello everybody,
      given the energy/climate problems of the planet, I was wondering: is there a way to “hibernate” the RPI? I know the energy saving is little…but everything does…

      I was thinking of an automatism that after a certain time switches off the RPI and switches on again after another time that can always be configureable.
      When it is off it should remain in a state of “hibernation” and then resume the same tasks when it restarts.

      It would be possible? Has anyone already thought about it?

      Thank you all!

      My Mirror https://forum.magicmirror.builders/topic/17262/the-raspimirror-was-born/7

      S M 2 Replies Last reply Reply Quote 0
      • S Away
        sdetweil @Egnos
        last edited by

        @Egnos once turned off, it cannot be turned back on via program…

        so the only way is to use an external switch to turn off power, and turn it back on…

        shutdown
        wait
        power off (use a relay, or …)

        you MUST shutdown, cannot just power off…

        Sam

        How to add modules

        learning how to use browser developers window for css changes

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        • M Offline
          MMRIZE @Egnos
          last edited by

          @Egnos
          Impossible. None of the Raspberry Pis has had a “sleeping” or “hibernating” mode.
          And Pi itself has no feature to wake up by time or WOL. So you may need additional h/w like a smart outlet or HAT (e.g. wittyPi) for controlling power externally, and their price is higher than the saving amount from Pi.

          S E 2 Replies Last reply Reply Quote 1
          • S Away
            sdetweil @MMRIZE
            last edited by

            @MMRIZE said in RPI 4 hibernation:

            and their price is higher than the saving amount from Pi.

            good point!

            Sam

            How to add modules

            learning how to use browser developers window for css changes

            1 Reply Last reply Reply Quote 0
            • E Offline
              Egnos @MMRIZE
              last edited by

              @MMRIZE said in RPI 4 hibernation:

              Impossible. None of the Raspberry Pis has had a “sleeping” or “hibernating” mode.
              And Pi itself has no feature to wake up by time or WOL. So you may need additional h/w like a smart outlet or HAT (e.g. wittyPi) for controlling power externally,

              … but in any case when it is switched on again I should restart everything (MM, etc …).

              @MMRIZE said in RPI 4 hibernation:

              and their price is higher than the saving amount from Pi.

              that’s for sure…but if you think so you wouldn’t do many things…

              My Mirror https://forum.magicmirror.builders/topic/17262/the-raspimirror-was-born/7

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