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  • Radioactivity Madrid
    • Ionising radiation in Madrid
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  • 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 – Open-source CO₂ sensor for ESP32
    • 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
  • English (UK)
  • Español
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 – Open-source CO₂ sensor for ESP32
    • 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
  • English (UK)
  • Español

Projects with Arduino

In this section you can find articles related to Arduino, ESP8266, NodeMCU, etc.

3D printed box for CO2 Easy

9 January, 2021 by Mariete

A bespoke box for 3D printing, simple and easy to print.

Categories CO2 Easy, CO2 Meter, Projects with Arduino Tags 3D printing 24 Comments

Connecting and controlling WS2812B LEDs to ESP8266 with ESPEasy

7 January, 2021 by Mariete

Easily connect and control LEDs with your ESP8266 with ESP Easy.

Categories CO2 Easy, CO2 Meter, Projects with Arduino Tags ESP Easy, ESP8266, NodeMCU and Wemos D1 Mini Leave a comment

Using a buzzer with ESPEasy

28 December, 2020 by Mariete

Everything you need to know to use a buzzer with ESPEasy

Categories CO2 Easy, CO2 Meter, Projects with Arduino Tags Arduino, ESP Easy, ESP8266, NodeMCU and Wemos D1 Mini, Arduino Projects 10 Comments

Easily connect an SSD1306 OLED display (or two) to ESPEasy

21 December, 2020 by Mariete

Using an OLED display with ESP Easy is very easy. Here are the step-by-step instructions with video

Categories CO2 Easy, CO2 Meter, Projects with Arduino Tags Arduino, ESP Easy, NodeMCU and Wemos D1 Mini, Arduino Projects 24 Comments

Comparison CO2 sensors MH-Z19B vs Senseair S8

21 June, 202317 December, 2020 by Mariete

Here you will find the differences and similarities between the MH-Z19B and Senseair S8 CO2 sensors.

Categories CO2 Meter, Projects with Arduino, CO2 sensors Tags Arduino, ESP Easy, ESP8266, NodeMCU and Wemos D1 Mini, Sensors 3 Comments

A home CO2 meter with Wifi against the coronavirus: The CO2 Easy

22 November, 2020 by Mariete

Easily build your own quality CO2 meter in an afternoon

Categories CO2 Easy, CO2 Meter, Projects with Arduino Tags Arduino, Home automation, ESP Easy, ESP8266, Smart Home, MH-Z19B, NodeMCU and Wemos D1 Mini, Senseair S8, Sensors, smart home 309 Comments

How does a Geiger counter work? Its 6 characteristics

21 September, 2020 by Mariete

Have you ever wondered how a Geiger counter works and how it measures radioactivity? In this article we will look at how it works in a way that everyone can understand.

Categories Projects with Arduino Tags Radioactivity, Sensors 1 Comment

VTX FPV video transmitter control with Arduino

15 August, 2020 by Mariete

Do you want to control a VTX video transmitter with an Arduino? Here's how to do it.

Categories FPV model aircraft, Projects with Arduino Tags Aeromodelling, Arduino, FPV, Arduino Projects

How do I go about creating a new circuit?

21 February, 2018 by Mariete
Electronic circuit with components and connections for DIY projects.

How is the design of a homemade circuit? Let's talk about the design and assembly of electronic circuits.

Categories Projects with Arduino Tags Arduino, ESP Easy, ESP8266, Arduino Projects, Sensors Leave a comment

Real-time radioactivity data from Madrid

24 January, 2017 by Mariete
Radioactivity

How to connect the Geiger counter via wifi and send to the internet, easily and in real time, the Beta and Gamma radioactivity data generated by the counter.

Categories Home automation, Projects with Arduino Tags Radioactivity 9 Comments
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