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    • openhardware.io

      💬 Temp_Hum sensors
      OpenHardware.io • temperature humidity sensors temp hum • • openhardware.io  

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      No one has replied

    • Siddharth Velappan

      MH Z19b - Running CO2 sensor on batteries
      Hardware • battery battery powered battery sensor sensors co2 z19 mhz19 mh z19 co2 sensors mhz19b z19b mh z19b • • Siddharth Velappan  

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      bitttttten

      Hi @Siddharth-Velappan The warmup time of the MH Z19b is 3 minutes. So 2 is probably fine, but you could probably do 3 just in case. Although 2 would save your more battery time. Do you mind explaining your setup a bit more? I would love to do something similar but I do not know where to get started with the PIC microcontroller!
    • openhardware.io

      💬 ESP8266 IoT Node
      OpenHardware.io • esp8266 battery iot sensors 18650 lowpower solar panel • • openhardware.io  

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      grafisoft

      Hi, General description is available on english version. Sorry for bad translate.
    • Samuel235

      Homini Complete Room Sensor Module?
      Hardware • temperature humidity light motion gas sensor sensors module homini smoke detector light sensor ceiling mount complete room ceiling • • Samuel235  

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      gohan

      @Samuel235 I am looking at a CO sensor too, do you have any updates on the ones you are using? What is the exact model?