SAF Aranet4 Home: Wireless Indoor Air Quality Monitor $270.27 Delivered @ Amazon US via AU

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highon2str on 20/11/2023 - 22:38 amazon.com.au (207 clicks)
Last edited 22/11/2023 - 13:29 by 2 other users

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Historic low!

• The perfect companion for indoor environments, allowing you to monitor CO2 levels, temperature, relative humidity, and atmospheric pressure in real-time
• Easy for anyone to use – the color coding and the optional buzzer warns you when the CO2 concentration gets too high
• Power-efficient e-ink display ensures super long battery life for this wireless device (up to 5 years)
• Smartphone app for viewing and analyzing historical data up to 90 days history
• Uses nondispersive infrared sensor (NDIR) technology for most precise and reliable CO2 measurements

Price History at CamelCamelCamel.

This is part of Black Friday / Cyber Monday deals for 2023

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• 

  jv on 20/11/2023 - 22:40

  +1

  Cheaper to just use a canary…

  • 

    purelysam on 20/11/2023 - 23:07

    Agree

  • 

    ballsau on 20/11/2023 - 23:14

    Citation needed

  • 

    Proscott on 20/11/2023 - 23:37

    🤣🤣🤣👏

• 

  Dmz111 on 20/11/2023 - 23:07

  +3

  Just spend your money on baked beans. That will remind you to crack open a window occassionally.

• 

  bargainshooter on 20/11/2023 - 23:12

  +1

  Great price. Excellent device. Though I'd suggest the inkbird iam-t1 is fairly comparable.

  • 

    Proscott on 20/11/2023 - 23:37

    +2

    and if you go here, they have it 30% off! https://www.amazon.com.au/INKBIRD-IAM-T1-Electronic-Indicati… Bargain! ITs almost the exact same thing, but $111 with discount…

• 

  krbtgt on 20/11/2023 - 23:16

  +1

  How do people use these? Like it tells you co2 levels are high, so you open a window? I have to be missing something here

  • 

    ballsau on 20/11/2023 - 23:21

    +1

    Buy it with some post-it notes

• 

  bazingaa on 20/11/2023 - 23:44

  +1

  I have built PM2.5 (IKEA Vindriktning)+NDIR CO2 (MH-Z19B)+BME680 (temperature, humidity, barometric pressure) sensor with ESP for around $60, logs data to HA :)

  • 

    enigma48 on 20/11/2023 - 23:46

    +1

    Any favourite guides for this? Sounds like a nice little project.

    • 

      bazingaa on 20/11/2023 - 23:59

      +7

      I got these parts,

      1. PM2.5 (IKEA Vindriktning, I have placed all other sensors inside this, nifty little package) = https://www.ikea.com/au/en/p/vindriktning-air-quality-sensor…
      2. NDIR CO2 (MH-Z19B Bit expensive but accurate CO2) = https://vi.aliexpress.com/item/4000212024923.html Color: MH-Z19B
      3. BME680 (temperature, humidity, barometric pressure) = https://vi.aliexpress.com/item/4001113450307.html
      4. ESP8266 = I think I used these https://www.amazon.com.au/dp/B0B6G3KXSK , you can use any similar ESP board, check dimensions to suit IKEA Vindriktning, Flashed tasmota-sensors.bin as I remember (https://tasmota.github.io/docs/Firmware-Builds/)

      Guides:

      Guide similar to what I have build : https://blakadder.com/vindriktning-tasmota/ , just used precompiled tasmota-sensors.bin instead of manually compiling
      CO2 : https://tasmota.github.io/docs/MH-Z19B/

      You can directly view sensor data using WIFI even without HA logging like in https://blakadder.com/assets/images/vindriktning/plusui.jpg
      I have a HA running on a Lenovo USFF with Hyper-V, so it logs data like in https://blakadder.com/assets/images/vindriktning/homeassista… with Tasmota integration in Home Assistant

      • 

        chyawala on 21/11/2023 - 07:06

        Interested to build this. Thanks for sharing!

• 

  trippy on 21/11/2023 - 08:03

  I have had one of these since start of 2020 and the original battery is still going strong.