Power from NodeMCU, Wemos Mini D1 and Arduino
What must we take into account to supply external sensors and actuators?
Arduino
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.
Connect an SSD1306 OLED screen to ESPEasy
Using a screen with ESPEasy is very easy. Here the step by step instructions with video
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
VTX FPV video transmitter control with Arduino
Do you want to control a VTX video transmitter with an Arduino? Here I explain how to do it.
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
Geiger Counter (Radioactivity Meter)
Do you want to have your own Geiger-Müller counter? Having your own Geiger counter can be interesting, and of course building it as a kit is a lot of fun. Here is a selection of the best-selling Geiger counter kits to make it easy for you to find the ideal one for you. Geiger counters in kit Here is a selection ... Read more
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.