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    MagicMirror² v2.24.0 is available! For more information about this release, check out this topic.

    temperature sensors

    Hardware
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    • S
      s.monti.74 last edited by

      HI
      which is the chepest way to manage temperature sensors with MM ? I mean, I’m searching cheap hardware sensors to retrieve temperature in one or more rooms
      thanks

      Stoffbeuteluwe lavolp3 2 Replies Last reply Reply Quote 0
      • Stoffbeuteluwe
        Stoffbeuteluwe Project Sponsor @s.monti.74 last edited by

        @s-monti-74

        https://github.com/mirko3000/MMM-xiaomi

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        • lavolp3
          lavolp3 Module Developer @s.monti.74 last edited by lavolp3

          @s-monti-74 If you’re only looking for cheap temp sensors only (so only measuring and not controlling), you should go with the DHT11 or DHT22

          http://www.circuitbasics.com/how-to-set-up-the-dht11-humidity-sensor-on-the-raspberry-pi/
          https://www.raspberrypi-spy.co.uk/2017/09/dht11-temperature-and-humidity-sensor-raspberry-pi/

          I guess it will not get cheaper, but of course wiring and coding is necessary.

          How to troubleshoot modules
          MMM-soccer v2, MMM-AVStock

          1 Reply Last reply Reply Quote 0
          • S
            seychellch last edited by

            I have just installed a DS18B20. I bought it for €0.85, complete with wires. But you need to get a 4.7k ohm resistor, which is not expensive. It is not waterproof and it does not read humidity. It is just a thermometer. Very straightforward installation.

            S 1 Reply Last reply Reply Quote 0
            • S
              s.monti.74 @seychellch last edited by

              @seychellch
              OK but I would measure the temperature of various rooms, so I was thinking about wifi or zeegbee sensors without using the gateway or a cheap gateway

              broberg 1 Reply Last reply Reply Quote 0
              • broberg
                broberg Project Sponsor @s.monti.74 last edited by

                @s-monti-74

                zigbee does need a gateway since it talks on another protocoll than regular wifi (even if it is on the same bandwidth).

                try building esp8266 nodes with temperature sensors and run espeasy on them. should cost you around 10-15usd each, without power supplies.
                otherwise you have ready made Shelly Temp Sensors that runs on wifi, they are a bit pricey though.

                Shelly :
                https://www.amazon.com/Shelly-Temperature-Hygrometer-Automation-Application/dp/B07L97LBSG

                esp temperature build guide :
                https://randomnerdtutorials.com/esp8266-ds18b20-temperature-sensor-web-server-with-arduino-ide/

                S 1 Reply Last reply Reply Quote 0
                • S
                  s.monti.74 @broberg last edited by

                  @broberg Not bad the “Shelly solution” but with which module can I read the values ?

                  broberg 1 Reply Last reply Reply Quote 0
                  • broberg
                    broberg Project Sponsor @s.monti.74 last edited by

                    @s-monti-74 Don’t think there are any modules written for shelly yet. It’s not impossible but don’t think anyone have done it.

                    Same goes for the esp8266, don’t think there are any modules for temperature for those either.

                    S 1 Reply Last reply Reply Quote 0
                    • S
                      s.monti.74 @broberg last edited by

                      @broberg , usually, in this moment, @sdetweil pull the module we need out of the cylinder …

                      S 1 Reply Last reply Reply Quote 0
                      • S
                        sdetweil @s.monti.74 last edited by

                        @s-monti-74 @broberg Sadly, I do not have any magic solution for this

                        Sam

                        Create a working config
                        How to add modules

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