A collection of useful templates for Home Assistant dashboards

All open windows and doors

{{ states.binary_sensor
   | selectattr('attributes.device_class', 'in', ['door','window'])
   | selectattr('state', 'equalto', 'on')
   | list | count }}

Light On Count

{% set AREAS = ['kitchen','office','bedroom','living room'] %}
{% set DOMAIN = 'light' %}

{% set ns = namespace(ids=[]) %}
{% for a in AREAS %}
  {% set ns.ids = ns.ids + area_entities(a) %}
{% endfor %}
{{ expand(ns.ids|unique)
   | selectattr('domain','equalto', DOMAIN)
   | selectattr('state','equalto','on')
   | list | count }}

Markdown to display all open windows and doors

# Security 🔏

{% if states.sensor.open_doors_and_windows.state | int > 0 %}
  You have {{states.sensor.open_doors_and_windows.state}} doors/windows open.
{% else %}
  All windows and doors are closed.
{% endif %}

Markdown to display light counts

## Lights 💡
You have {{states.sensor.kitchen_light_count.state}} lights on currently.

Media Player Playing Count

{% set area_id = 'kitchen' %}
{% set ents   = expand(area_entities(area_id)) %}
{% set lights = ents 
   | selectattr('domain',    'equalto', 'media_player') 
   | selectattr('state',     'equalto', 'playing') %}
{{ lights | list | count }}

Switch On Count

{% set area_id = 'kitchen' %}
{% set ents   = expand(area_entities(area_id)) %}
{% set switch = ents 
   | selectattr('domain', 'equalto', 'switch') 
   | selectattr('state', 'equalto', 'on') %}
{{ switch | list | count }}

Welcome Message

{% set time = now().hour %}
{% if time >= 5 and time < 12 %}
  {% set greeting = 'Good morning' %}
{% elif time >= 12 and time < 17 %}
  {% set greeting = 'Good afternoon' %}
{% elif time >= 17 and time < 24 %}
  {% set greeting = 'Good evening' %}
{% elif time >= 0 and time < 5 %}
  {% set greeting = 'You should be sleeping' %} 
{% endif %}

# {{greeting}}, {{user}}!

Welcome message with calendar event

{% set time = now().hour %}
{% if time >= 5 and time < 12 %}
  {% set greeting = 'Good morning' %}
{% elif time >= 12 and time < 17 %}
  {% set greeting = 'Good afternoon' %}
{% elif time >= 17 and time < 24 %}
  {% set greeting = 'Good evening' %}
{% elif time >= 0 and time < 5 %}
  {% set greeting = 'You should be sleeping' %} 
{% endif %}

{% if state_attr('calendar.lewis_s_calendar', 'start_time') == None %}
  {% set cal_message = "you have no upcoming events, enjoy 🥳"%}
{% else %}
  {% set start_time = state_attr('calendar.lewis_s_calendar', 'start_time') | as_timestamp | timestamp_custom("%H:%M", false) %}
  {% set cal_message = "your next event is at " + start_time %}
{% endif %}

# {{greeting}}, {{user}}!

It's {{now().hour}}:{{now().minute}} and  {{cal_message}}.

How to add more area with "Switch On Count"? I tried use {% set area_id = ['living_room', 'bedroom'] %}.but no lucky

Thanks

{% set AREAS = ['kitchen','office','bedroom','living room'] %}
{% set DOMAIN = 'switch' %}

{% set ns = namespace(ids=[]) %}
{% for a in AREAS %}
  {% set ns.ids = ns.ids + area_entities(a) %}
{% endfor %}
{{ expand(ns.ids|unique)
   | selectattr('domain','equalto', DOMAIN)
   | selectattr('state','equalto','on')
   | list | count }}