blueprint for HA blink

joBlinkBlueprint.yaml

blueprint:
  name: jo v5 Blink lights
  author: Edward Firmo (https://github.com/edwardtfn)
  homeassistant:
    min_version: '2023.3.0'
  description: Blink lights (w return light to prior level) (or a switch) when a trigger (binary-sensor) changes.
  domain: automation
  source_url: https://gist.github.com/bob454522/3f6160823dead8516677c2d71fcd0f0d
  input:
    trigger_entities:
      name: Trigger entities
      description: >
        The lights/switches will "blink" if any of the entities selected here changes its state.
        Try to avoid a big number of lights or groups as it can take long to change the state on all the entities.
      default: []
      selector:
        entity:
          multiple: true
          domain: [input_boolean, binary_sensor, switch]

    entities_list:
      name: Lights and switches to blink
      default: []
      selector:
        entity:
          multiple: true
          domain: [light, switch]

    number_of_blinks:
      name: Number of blinks
      default: 3
      selector:
        number:
          min: 0
          max: 25
          unit_of_measurement: blinks

    blink_duration:
      name: Blink speed (msec)
      description: >
        The time (in milliseconds) the entities will stay on each state (on or off).
        Try to increase this time if you are using too many lights or if you have a long transition time for the lights.
      default: 1000
      selector:
        number:
          min: 50
          max: 5000
          unit_of_measurement: milliseconds

    pause_entities:
      name: (Optional) Pause update entities
      description: >
        You can select one or more entities to pause this automation.
        If any of the selected entities is "On" or "True" the system won't blink the lights on a trigger.

        You can use this to hold this automation when you have a party or you are not at home.
      default: []
      selector:
        entity:
          multiple: true
          domain: [input_boolean, binary_sensor, switch]

mode: single

trigger_variables:
  input_pause_entities: !input pause_entities
  input_pause_entities_selected: >-
    {% if input_pause_entities %}
      true
    {% else %}
      false
    {% endif %}

trigger:
  - platform: state
    entity_id: !input trigger_entities
    to: "off"
    from: "on"
  - platform: state
    entity_id: !input trigger_entities
    to: "on"
    from: "off"

condition:
  - condition: or
    conditions:
      - condition: template
        value_template: >-
          {{ ( input_pause_entities_selected == false ) }}
      - condition: state
        entity_id: !input pause_entities
        state: "off"

variables:
  repeat_count: !input number_of_blinks

action:
  - variables:
      entities_list: !input entities_list
      initial_light_states: >
        {%- set ns = namespace(data={}) -%}
        {%- for entity_id in entities_list -%}
          {%- set state = states(entity_id) -%}
          {%- set brightness = state_attr(entity_id, 'brightness') | default(255) -%}
          {%- set ns.data = ns.data.update({entity_id: {"state": state, "brightness": brightness}}) or ns.data -%}
        {%- endfor -%}
        {{ ns.data }}
  - repeat:
      count: "{{ repeat_count * 2 }}"
      sequence:
        - service: homeassistant.toggle
          data: {}
          target:
            entity_id: !input entities_list
        - delay:
            hours: 0
            minutes: 0
            seconds: 0
            milliseconds: !input blink_duration
  - repeat:
      for_each: "{{ initial_light_states.keys() | list }}"
      sequence:
        - choose:
            - conditions:
                - condition: template
                  value_template: "{{ initial_light_states[item]['state'] == 'on' }}"
              sequence:
                - service: light.turn_on
                  target:
                    entity_id: "{{ item }}"
                  data:
                    brightness: "{{ initial_light_states[item]['brightness'] }}"
            - conditions:
                - condition: template
                  value_template: "{{ initial_light_states[item]['state'] == 'off' }}"
              sequence:
                - service: light.turn_off
                  target:
                    entity_id: "{{ item }}"