Plotting dewpoint - using the mold indicator integration

Configuration Frontend
1

I use sensors throughout the house which are able to measure temperature and absolute humidity levels. I would like to plot the dewpoint for each of these sensors (rooms). I have configured a mold indicator for one room for testing:

sensor:
  - platform: mold_indicator
    name: mold.livingroom
    indoor_temp_sensor: sensor.livingroom_temperature
    indoor_humidity_sensor: sensor.livingroom_humidity
    outdoor_temp_sensor: sensor.terasse_temperature
    calibration_factor: 2.0

This works. However, I am struggeling to plot the attribute dewpoint. How can I access it? Thank you!

2

Not helping with this, I’m sorry. But I am also interested in a “mold indicator” and I guess dew point is crucial there.

Any info you could point to, where I can start to set something up?

Temp/humidity sensors I got a lot of.

3

You have two options:

  1. Break the attribute out into its own sensor using a template sensor and graph that using the core history graph, or
  2. Use a 3rd party graph card that supports attributes, like apex charts.
4

Here:

It requires an outdoor temperature sensor and indoor temperature and humidity sensors.

5

Great, apex charts work. Will try the template sensor route next (in order to avoid 3rd party extentions as much as possible). Thank you!

6

I still stuck breaking out the dewpoint attribute as a sensor:

sensor:
  - platform: mold_indicator
    name: mold.livingroom
    indoor_temp_sensor: sensor.livingroom_temperature
    indoor_humidity_sensor: sensor.livingroom_humidity
    outdoor_temp_sensor: sensor.terasse_temperature
    calibration_factor: 2.0
  - platform: template
    sensor:
      sensor.livingroom_dewpoint:
        friendly_name: 'Dew point'
        entity_id: mold.livingroom
        value_template: "{{ state_attr('mold.livingroom', 'dewpoint') }}"
        unit_of_measurement: '°C'

I get the following error message I am unable to properly decode/understand:
configuration is not valid: Invalid config for [sensor.template]: invalid slug sensor.livingroom_dewpoint (try sensor_livingroom_dewpoint) for dictionary value @ data['sensors']. Got OrderedDict([('sensor.livingroom_dewpoint', OrderedDict([('friendly_name', 'Dew point'), ('entity_id', 'mold.livingroom'), ('value_template', "{{ state_attr('mold.livingroom', 'dewpoint') }}"), ('unit_of_measurement', '°C')]))]). (See ?, line ?).

Any hint on what I am doing wrong? Thank you!

7

Don’t use decimal points in your sensor slug, do this instead:

  - platform: template
    sensor:
      sensor_livingroom_dewpoint:
            ^
            |

It actually told you that in the error if you look closely.

1 Like
8

Thanks @tom_l !

I fixed more mistakes. Now it works:

sensor:
  - platform: mold_indicator
    name: mold.livingroom
    indoor_temp_sensor: sensor.livingroom_temperature
    indoor_humidity_sensor: sensor.livingroom_humidity
    outdoor_temp_sensor: sensor.terasse_temperature
    calibration_factor: 2.0
  - platform: template
    sensors:
      livingroom_dewpoint:
        friendly_name: "Dewpoint" 
        value_template: "{{ state_attr('sensor.mold_livingroom', 'dewpoint') }}"
        unit_of_measurement: '°C'
9

I have been trying to get this to work and all I get is Unavailable.

  • platform: mold_indicator
    name: mold.master
    indoor_temp_sensor: sensor_master_multisensor_temperature
    indoor_humidity_sensor: sensor_master_multisensor_temperature
    outdoor_temp_sensor: sensor_openweathermap_temperature
    calibration_factor: 1.2

This would be a great sensor, but really doesn’t seem to function.