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    • Gallery: Users' CO2 Easy meters
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    • Add an OLED display to the meter
    • Adds temperature, humidity and atmospheric pressure
    • Are home CO₂ meters as reliable, accurate and precise as commercial ones?
    • Full colour touch screen for CO₂ meter Wow!
    • Adds buzzer alarms to the CO2 meter
    • The CO2 meter on a large display
    • CO2 on a giant screen for bars, restaurants, classrooms and the like.
  • Gadget CO2 Meter
    • CO2 Gadget: Advanced CO2 Meter
    • CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget
    • CO2 meter on your mobile phone with ESP32 and Sensirion SCD30 sensor [BASIC VERSION] [BASIC VERSION].
    • CO2 Gadget Boxes, 3D Printed and without 3D printer
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eMariete
  • Home
  • Radioactivity Madrid
  • Weather station
  • CO2 sensors
    • The CO2 sensor bible MH-Z19B
    • Sensirion SCD30 dual-channel NDIR CO2 Sensor
    • Winsen Low Power NDIR CO2 Sensor MH-Z1311A
    • Comparison CO2 sensors MH-Z19B vs Senseair S8
    • The Sensirion SCD4x CO2 sensor (SCD41 and SCD40)
    • CO2 Sensors MH-Z19B FALSE
  • Easy CO2 Meter
    • Build the home CO2 meter with Wifi
    • Uses the Senseair S8 sensor in the CO2 Meter
    • Gallery: Users' CO2 Easy meters
    • 3D printed enclosures for CO2 meter
    • Add an OLED display to the meter
    • Adds temperature, humidity and atmospheric pressure
    • Are home CO₂ meters as reliable, accurate and precise as commercial ones?
    • Full colour touch screen for CO₂ meter Wow!
    • Adds buzzer alarms to the CO2 meter
    • The CO2 meter on a large display
    • CO2 on a giant screen for bars, restaurants, classrooms and the like.
  • Gadget CO2 Meter
    • CO2 Gadget: Advanced CO2 Meter
    • CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget
    • CO2 meter on your mobile phone with ESP32 and Sensirion SCD30 sensor [BASIC VERSION] [BASIC VERSION].
    • CO2 Gadget Boxes, 3D Printed and without 3D printer
  • en_GBEnglish (UK)
  • es_ESEspañol

CO2 Gadget

Gallery: Users' CO2 Gadgets

31 January, 2022 by admin

Some CO2 Gadgets made by users - submit yours!

Categories CO2 Gadget, CO2 Meter, Projects with Arduino Tags CO2 Gadget, 3D printing, Arduino Projects Leave a comment

CO2 Gadget Boxes, 3D Printed and without 3D printer

11 January, 2022 by admin

CO2 Gadget Boxes (with and without 3D printer) that you can print and modify.

Categories CO2 Gadget, CO2 Meter Tags CO2 Gadget, 3D printing Leave a comment

Cellular Polypropylene (PP) Boxes

23 December, 2021 by admin

Here's a great idea! Let's see how to easily make boxes for our projects in a homemade way, with cheap and easily available materials.

Categories CO2 Gadget Tags Arduino Projects Leave a comment

CO2 Gadget: Advanced CO2 Meter

18 November, 2021 by admin

CO2 Gadget is a firmware to create high quality CO2 meters, with optional sensors for particulate matter, temperature, humidity, atmospheric pressure and others that allow us to analyse the quality of the air we breathe. In this article I am going to introduce and show you how to install and use, the version ... Read more

Categories CO2 Gadget, CO2 Meter, Projects with Arduino Tags CO2 Gadget, ESP32, espnow, Arduino Projects 51 Comments

CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget

23 September, 2021 by admin
CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 (Bluetooth LE)

CO2 meter with colour display and Bluetooth connection. Take it with you everywhere and measure the air quality discreetly and at any time.

Categories CO2 Gadget, CO2 Meter, Projects with Arduino Tags Arduino, CO2 Gadget, ESP32, Arduino Projects 20 Comments

CO2 meter on your mobile phone with ESP32 and Sensirion SCD30 sensor [BASIC VERSION] [BASIC VERSION].

15 September, 2021 by admin

CO2 meter with App for Android and iOS, via Bluetooth, official from the sensor manufacturer Sensirion

Categories CO2 Gadget, CO2 Meter, Projects with Arduino Tags Arduino, ESP32, Arduino Projects, Sensors 8 Comments

Are home CO₂ meters as reliable, accurate and precise as commercial ones?

16 February, 2021 by admin

How good is a home CO2 meter compared to a commercial one?

Categories CO2 Easy, CO2 Gadget, CO2 Meter Tags Sensors 1 Comment

CO2 Sensors MH-Z19B FALSE

12 January, 2021 by admin

BEWARE: Don't let them get to you, they're everywhere!

Categories CO2 Easy, CO2 Gadget, CO2 Meter, Projects with Arduino, CO2 sensors Tags MH-Z19B, Sensors 13 Comments

The CO2 sensor bible MH-Z19B

27 December, 2020 by admin

Discover all the secrets of the MH-Z19B CO2 sensor in one place. An inexpensive, accurate (for the price) and very easy to use CO2 sensor.

Categories CO2 Easy, CO2 Gadget, CO2 Meter, CO2 sensors Tags Arduino, MH-Z19B, Sensors 50 Comments
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Best-selling CO2 meters

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RECOMMENDED CO2 METER

Aranet4 Home: wireless indoor air quality sensor for home, office or school [CO2, temperature, humidity and more] portable
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