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How to measure air quality in the house?

  • 02-06-2020 11:14am
    #1
    afatbollix
    Registered Users, Registered Users 2 Posts: 4,102 ✭✭✭


    Id like to set up a room by room system where it would tell me the temperature and humidity of each room and in the main living room tell me more details like air quality and other bits.

    I have found these on Amazon
    https://smile.amazon.co.uk/gp/product/B07SB2C327/ref=ox_sc_act_title_1?smid=AAYFSSBYUAXV3&psc=1

    They would work for the temperature sensors but not the air quality sensor.

    Does anyone know of anything else that might work?

    In the long term, I will pair with window open/closed sensors to know when to open and close windows to keep heat/cold in or out.


Comments

  • #2
    Grassey
    Registered Users, Registered Users 2 Posts: 2,393 ✭✭✭Grassey


    I have the above sensors in some rooms.

    £18 is robbery for them... they are <€10 from aliexpress

    They cover temp, humidity and pressure - doesn't do pm2.5 which I assume you want?
    I also have the aqara contact sensors to detect open/close states for some doors/windows.
    Range can be a bit meh if there are walls/doors, so you may also need some zigbee repeaters

    I ditched the aqara/xiaomi hub for a zigbee receiver usb which is plugged into a pi running home assistant.


  • #3
    DaveCliftonAP
    Registered Users, Registered Users 2 Posts: 92 ✭✭DaveCliftonAP


    Grassey wrote: »
    I have the above sensors in some rooms.

    £18 is robbery for them... they are <€10 from aliexpress

    They cover temp, humidity and pressure - doesn't do pm2.5 which I assume you want?
    I also have the aqara contact sensors to detect open/close states for some doors/windows.
    Range can be a bit meh if there are walls/doors, so you may also need some zigbee repeaters

    I ditched the aqara/xiaomi hub for a zigbee receiver usb which is plugged into a pi running home assistant.

    I'm thinking of getting a few of these sensors for around the house. Which zigbee receiver usb are you using with the pi?


  • #4
    Grassey
    Registered Users, Registered Users 2 Posts: 2,393 ✭✭✭Grassey


    A cc2531 Sniffer from here

    #Aliexpress US $2.25 8%OFF | Wireless Zigbee CC2531 CC2540 Sniffer Bare Board Packet Protocol Analyzer Module USB Interface Dongle Capture Packet Module
    https://a.aliexpress.com/_dXXUGOi


    In hindsight I'd probably use (or eventually replace with #Aliexpress US $4.42 35%OFF | Zigbee CC2531 2.4Ghz USB E18-2G4U04B zigbee usb RF Transmitter and Receiver PCB Antenna 8051MCU ISM Band LED Indicator
    https://a.aliexpress.com/_dYbvJkE as its neater. Hard to find a case for the former after the fact!

    I think this was (or was one of) the guides I'd read around the time
    https://gadget-freakz.com/zigbee-in-home-assistant-with-zigbee2mqtt/


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