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eMariete
  • Home
  • Radioactivity Madrid
    • Ionising radiation in 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
    • Sensirion SCD41 and SCD40 CO2 Sensors
    • CO2 Sensors MH-Z19B FALSE
  • CO2 Easy
    • Build the home CO2 monitor 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.
  • CO2 Gadget
    • CO2 Gadget: Advanced CO2 Monitor
    • CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget
    • CO2 Gadget Low Power CO2 monitor with Lilygo TTGO T5 ePaper and Sensirion SCD41 Sensor
    • CO2 Gadget Boxes, 3D Printed and without 3D printer
  • en_GBEnglish (UK)
  • es_ESEspañol

CO2 Gadget

Gallery: Users' CO2 Gadgets

31 January, 2022 by Mariete

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

1 April, 202411 January, 2022 by Mariete

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

CO2 Gadget: Advanced CO2 Monitor

14 June, 202418 November, 2021 by Mariete

Possibly the world's most advanced CO2 meter firmware for makers.

Categories CO2 Gadget, CO2 Meter, Projects with Arduino Tags CO2 Gadget, ESP32, espnow, Arduino Projects 53 Comments

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

2 January, 202423 September, 2021 by Mariete
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 21 Comments
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