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    Monitor Samsung P2470H at home

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    • schlachtkreuzer6S Offline
      schlachtkreuzer6 @fox
      last edited by

      @fox maybe you can hack the soft buttons, and emulate them with the pi over gpio pins, write some code …

      foxF 1 Reply Last reply Reply Quote 0
      • foxF Offline
        fox @schlachtkreuzer6
        last edited by

        @schlachtkreuzer6 said in Monitor Samsung P2470H at home:

        @fox maybe you can hack the soft buttons, and emulate them with the pi over gpio pins, write some code …

        Good idea this could work. Even when the brightness / contrast is adjusted i need only P_ON/OFF, and i can put a signal on the GPIO Pin when the raspi boots, soldered parallel on the wire.
        Thx for this idea!

        Issues With MMM-WatchDog known?

        https://forum.magicmirror.builders/post/29827

        Useful for PIR-Sensor: https://forum.magicmirror.builders/post/21299

        1 Reply Last reply Reply Quote 0
        • K Offline
          KrawallKurt
          last edited by

          Remember, the pi GPIOs can only handle 3V3. Check the voltage of the monitor buttons with a multimeter before soldering. You will likely need a level shifter.

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          • foxF Offline
            fox
            last edited by

            I have disassembled the monitor and have seen that I can’t give the signals per gpio.

            It’s a serial connection and I can’t simulate the protocol.
            So, is it possible to use the LCD Screen?
            It’s a m240hw01 v2

            Issues With MMM-WatchDog known?

            https://forum.magicmirror.builders/post/29827

            Useful for PIR-Sensor: https://forum.magicmirror.builders/post/21299

            bheplerB 1 Reply Last reply Reply Quote 0
            • bheplerB Offline
              bhepler Module Developer @fox
              last edited by

              @fox It’s possible. If you configure your Pi to turn off the signal to the HDMI port, the monitor should shut off automatically. It should remain off until it detects a signal again, whereupon it will turn itself back on.

              The MotionDetection module can do this for you with a Raspberry Pi camera. Otherwise, there is a module for using a PIR sensor.

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