Articles about: MH-Z19B

Power from NodeMCU, Wemos Mini D1 and Arduino

January 17, 2021January 13, 2021 by Mariete

What must we take into account to supply external sensors and actuators?

MH-Z19B FALSE CO2 Sensors

January 17, 202112 January, 2021 by Mariete

CAUTION: Do not strain it! They are everywhere!

The MH-Z19B CO2 Sensor Bible

12 January, 202127 December, 2020 by Mariete

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.

A homemade CO2 meter with Wifi against the coronavirus

January 17, 2021November 22, 2020 by Mariete

Build your own CO2 meter easily in one afternoon