https://github.com/elixir-sensors/mh_z19

Measure CO2 concentration value from MH-Z19 sensor in Elixir
https://github.com/elixir-sensors/mh_z19

co2-sensor elixir mh-z19 nerves nerves-project

Last synced: 3 months ago
JSON representation

Measure CO2 concentration value from MH-Z19 sensor in Elixir

• Host: GitHub
• URL: https://github.com/elixir-sensors/mh_z19
• Owner: elixir-sensors
• License: apache-2.0
• Created: 2021-07-08T02:36:30.000Z (almost 5 years ago)
• Default Branch: main
• Last Pushed: 2025-03-08T12:44:29.000Z (about 1 year ago)
• Last Synced: 2025-12-13T01:51:21.026Z (6 months ago)
• Topics: co2-sensor, elixir, mh-z19, nerves, nerves-project
• Language: Elixir
• Homepage:
• Size: 30.3 KB
• Stars: 5
• Watchers: 1
• Forks: 0
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# MhZ19 [![hex.pm version](https://img.shields.io/hexpm/v/mh_z19.svg)](https://hex.pm/packages/mh_z19)

A Elixir library to measure CO2 concentration value from MH-Z19 sensor.

## Usage

```elixir

iex> {:ok, pid} = MhZ19.start_link

{:ok, #PID<0.1104.0>}

iex> {:ok, result} = MhZ19.measure(pid)

{:ok,

 %MhZ19.Measurement{

   co2_concentration: 650

 }}

```

## References

* [Intelligent Infrared CO2 Module (Model: MH-Z19) User’s Manual (Version: 1.0)](https://www.winsen-sensor.com/d/files/PDF/Infrared%20Gas%20Sensor/NDIR%20CO2%20SENSOR/MH-Z19%20CO2%20Ver1.0.pdf)

* [Elixir × Nerves で MH-Z19 を動かす](https://qiita.com/katshun0307/items/4abb2d4d8e96c0ab1015) (in Japanese)

* [mh-z19 · PyPI](https://pypi.org/project/mh-z19/)