elixir-sensors / mh_z19

Measure CO2 concentration value from MH-Z19 sensor in Elixir

MhZ19

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

Usage

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)
• Elixir × Nerves で MH-Z19 を動かす (in Japanese)
• mh-z19 · PyPI