Power from NodeMCU, Wemos Mini D1 and Arduino
What must we take into account to supply external sensors and actuators?
Sensors
The MH-Z19B CO2 Sensor Bible
The MH-Z19B CO2 sensor is fantastic, an inexpensive CO2 sensor, accurate for the price, and very easy to use.
In this article you will find everything you want to know about him.
Comparison of 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 homemade CO2 meter with Wifi against the coronavirus
Build your own CO2 meter easily in one afternoon
How does a Geiger counter work? Discover its 6 characteristics
Have you ever wondered how a Geiger counter works and how it measures radioactivity? In this article we are going to see 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 home circuit? Let's talk about design and assembly of electronic circuits
Wifi Home CO2 Meter (Knowing We Breathe)
CO2 (Carbon Dioxide) is a dangerous gas for humans. In high concentrations it can cause vertigo, headache, high blood pressure, fast heartbeat, suffocation and loss of consciousness.