brightness_switch.yaml

blueprint:
  name: "BTNW Quick toggle to set brighness"
  description: "Change brighness with quick on-off toggle"
  domain: automation
  input:
    switch:
      name: Switch
      description: Switch to turn on-off-on.
      selector:
        entity:
          domain: binary_sensor
    target_light:
      name: Light
      description: Light to change brightness.
      selector:
        entity:
          domain: light
    light_low:
      name: Low light percent
      default: 10
      selector:
        number:
          min: 5
          max: 75
          step: 1
          unit_of_measurement: "%"
          mode: slider

trigger:
  - type: not_powered
    platform: device
    entity_id: !input switch
    domain: binary_sensor
action:
  - wait_for_trigger:
      - type: powered
        platform: device
        entity_id: !input switch
        domain: binary_sensor
    timeout: "5"
    continue_on_timeout: false
  - if:
      - condition: numeric_state
        entity_id: !input target_light
        attribute: brightness
        below: "76"
    then:
      - service: light.turn_on
        data:
          brightness_pct: 100
        target:
          entity_id: !input target_light
    else:
      - service: light.turn_on
        data:
          brightness_pct: !input light_low
        target:
          entity_id: !input target_light
mode: single