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    A New Chapter for MagicMirror: The Community Takes the Lead
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    temperature sensors

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    • lavolp3L Offline
      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

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      • S Offline
        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.

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        • S Offline
          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

          brobergB 1 Reply Last reply Reply Quote 0
          • brobergB Offline
            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/

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            • S Offline
              s.monti.74 @broberg
              last edited by

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

              brobergB 1 Reply Last reply Reply Quote 0
              • brobergB Offline
                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.

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                • S Offline
                  s.monti.74 @broberg
                  last edited by

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

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                  • S Away
                    sdetweil @s.monti.74
                    last edited by

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

                    Sam

                    How to add modules

                    learning how to use browser developers window for css changes

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                    • A Offline
                      ardenking
                      last edited by

                      probably found a solution by next now

                      but I use a combination esp8266 and mysensors with dht22

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                      • S Offline
                        s.monti.74
                        last edited by

                        @ardenking said in temperature sensors:

                        esp8266 and mysensors

                        no i haven’t find yet
                        I’ m trying with openhab and home assistant to read shelly h&t but I don’t understand how to setup
                        dht22 are connected to the PI ? do you have one Pi in each room ?
                        thanks

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