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