Home MH-Z19b CO2 sensor
Post
Cancel

MH-Z19b CO2 sensor

Information

The MH-Z19 is an indoor CO2 sensor. It is just a sensor, which means that you need to have separate system to read and control the data measured by the MH-Z19. This can for example be a wemos or nodemcu device that you need to have in place to control the MH-Z19 sensor. When you have this setup in place, you are able to send data from this sensor to your home automation or smart home platform.

Features

  • High sensitivity, high resolution.
  • Output modes: UART and PWM wave.
  • Anti-water vapor interference.No poisoning.
  • Temperature compensation, excellent linear output.
  • Low power consumption,good stability and long lifespan.
  • It is widely used in the HVAC refrigeration and indoor air quality monitoring.

More information …

Setup

In order to use the MH-Z19b CO2 sensor use the following settings:

Mandatory

Hardware : MH-Z19b CO2 sensor

Types : co2, temperature

Address : Serial address and connect to GPIO pin 8 (TX) and 10 (RX). Ex: /dev/ttyS0

Other settings can be found at the sensor setup information

This post is licensed under CC BY 4.0 by the author.