Temperature and humidity

Bildschirmfoto von 2022-01-05 13-30-39

The Shelly H&T is a relatively inexpensive small sensor that provides temperature (_Temperatur) and humidity (_Luftfeuchtigkeit) via WLAN. However, it only reports when there is a change in its values, so it makes sense to also consider the time of the last update (_LetzteAktualisierung - the stateDescription Metadata is: %1$tA, %1$td.%1$tm.%1$ty %1$tH:%1$tM).

If you click on the card (see first screenshot), the following diagram will open



Version 0.1

  • initial release


uid: ud_shellyht_card
tags: []
    - description: Überschrift (wenn leer, dann wird der Name des Gerätes benutzt)
      label: Ăśberschrift
      name: ueberschrift
      required: false
      type: TEXT
    - context: item
      description: Das Gerät (ShellyHT)
      label: Item
      name: item
      required: true
      type: TEXT
        - name: type     
          value: Group
  parameterGroups: []
timestamp: Jan 5, 2022, 2:02:55 PM
component: oh-label-cell
  header: "=(props.ueberschrift) ? props.ueberschrift : props.item"
  label: = "Temperatur  " + items[props.item + "_Temperatur"].state
  trendItem: = props.item +"_Temperatur"
  action: analyzer
  actionAnalyzerItems: =[props.item +"_Luftfeuchtigkeit", props.item +"_Temperatur"]
  icon: oh:temperature
  footer: = 'Letzte Aktualisierung ' + items[props.item + "_LetzteAktualisierung"].displayState
  subtitle: = "Luftfeuchtigkeit " + items[props.item + "_Luftfeuchtigkeit"].state
  expandable: false
    background: '=(items[props.item + "_Luftfeuchtigkeit"].state.split(" ")[0] > 60) ? "red" : "lightblue"'

A few explanations about the code (even though no line numbers are shown here):

  • The first 15 lines mainly define the configuration settings. An item must be selected and a heading (ueberschrift) can be set.
  • With the lines 16 to 18 I actually want to achieve that only groups (so mainly equipment) can be selected. Unfortunately this does not work.
  • In line 23 it is specified that the entered ueberschrift is used as header, or if none was specified, the item name.
  • In line 24 the temperature output is generated, as main information. (I don’t understand why I can’t write “Temperature:” there, the colon is criticized).
  • Line 25 creates the blue temperature curve in the background
  • Line 26 and 27 configure the effect when clicking the card. Behind actionAnalyserItems an array is expected, see the square brackets. Therefore, multiple items are possible
  • The next lines are quite common, again I must not put a colon in my text.
  • With the lines 32 and 33 I achieve that at a humidity of more than 60% the background becomes red. To be able to compare the numbers, the unit (%) must be removed from the humidity, hence the split function.
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