Automatically adjusts the volume of selected media players based on the time of day.

set_speaker_volume.yaml

blueprint:
  name: Set Speaker Volume Based on Time of Day
  description: >
    Automatically adjusts the volume of selected media players
    based on the time of day. Players currently playing are skipped
    to avoid interrupting active media.
  domain: automation

  input:
    media_players:
      name: Media Players
      description: Select the media players to control
      selector:
        entity:
          domain: media_player
          multiple: true

    daytime_starts:
      name: Daytime starts
      description: Time when daytime volume should be applied
      default: "07:00:00"
      selector:
        time:

    daytime_ends:
      name: Nighttime starts
      description: Time when nighttime volume should be applied
      default: "20:00:00"
      selector:
        time:

    volume_day:
      name: Daytime volume
      description: Volume level during the day
      default: 0.5
      selector:
        number:
          min: 0.0
          max: 1.0
          step: 0.05
          mode: slider

    volume_night:
      name: Nighttime volume
      description: Volume level during the night
      default: 0.1
      selector:
        number:
          min: 0.0
          max: 1.0
          step: 0.05
          mode: slider

variables:
  players_input: !input media_players
  active_players: >
    {{ players_input
       | select('is_state', 'playing')
       | list }}
  idle_players: >
    {{ players_input
       | reject('is_state', 'playing')
       | list }}

trigger:
  - platform: time
    at: !input daytime_starts

  - platform: time
    at: !input daytime_ends

condition:
  - condition: template
    value_template: "{{ idle_players | count > 0 }}"

action:
  - choose:
      - conditions:
          - condition: time
            after: !input daytime_starts
            before: !input daytime_ends
        sequence:
          - service: media_player.volume_set
            data:
              volume_level: !input volume_day
            target:
              entity_id: "{{ idle_players }}"
    default:
      - service: media_player.volume_set
        data:
          volume_level: !input volume_night
        target:
          entity_id: "{{ idle_players }}"

mode: single