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Deprecate MH-Z19 CO2 Sensor (ADR-0019) (#21041)

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Franck Nijhof 2022-01-05 23:42:41 +01:00 committed by GitHub
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source/_integrations/mhz19.markdown
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@ -10,6 +10,14 @@ ha_platforms:
- sensor - sensor
--- ---
<div class='note warning'>
This integration is deprecated and will be removed in Home Assistant Core 2022.4.
For more information see: [Architectural Decision Record 0019](https://github.com/home-assistant/architecture/blob/master/adr/0019-GPIO.md).
</div>
The MH-Z19 is a small non-dispersive infrared sensor that can measure CO2 level. High CO2 levels can lead to drowsiness, poor concentration, loss of attention or increased heart rate. The CO2 level outside is around 400ppm, but inside levels can reach between 1000 and 5000 ppm. High CO2 levels indicate that you should increase ventilation. The MH-Z19 is a small non-dispersive infrared sensor that can measure CO2 level. High CO2 levels can lead to drowsiness, poor concentration, loss of attention or increased heart rate. The CO2 level outside is around 400ppm, but inside levels can reach between 1000 and 5000 ppm. High CO2 levels indicate that you should increase ventilation.
**Note:** the new version MH-Z19B requires the VIN to be connected to a 5V pin, rather than 3.3V. **Note:** the new version MH-Z19B requires the VIN to be connected to a 5V pin, rather than 3.3V.