Easy CO2 Meter with ESP8266 (NodeMCU) and Senseair S8 sensor
Why mount a CO2 meter with another sensor when you have this one?
Sensors
Power from NodeMCU, Wemos Mini D1 and Arduino
What do we need to consider when powering external sensors and actuators?
The CO2 sensor bible MH-Z19B
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.
Comparison CO2 sensors MH-Z19B vs Senseair S8
Here you will find the differences and similarities between the MH-Z19B and Senseair S8 CO2 sensors.
A home CO2 meter with Wifi against the coronavirus: The CO2 Easy
Easily build your own quality CO2 meter in an afternoon
How does a Geiger counter work? Its 6 characteristics
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.
How do I go about creating a new circuit?
How is the design of a homemade circuit? Let's talk about the design and assembly of electronic circuits.
CO2 meter with ESP8266
CO2 (carbon dioxide) is a dangerous gas for humans. In high concentrations it can cause dizziness, headache, high blood pressure, rapid heart rate, asphyxia and unconsciousness.
Measuring gas consumption with Arduino
Those who are regulars of the blog, already know that I like to measure everything, and gas could not be less. I have been measuring gas consumption for years with Arduino, but the important thing is not that, the important thing is that this Arduino has been sending data wirelessly for almost six years with only two AA batteries, and ... Read more