motion_light_lux.yaml

blueprint:
  name: Motion-activated Light with Lux Sensor
  description: Turn on a light when motion is detected and illuminance is below a given threshold.
  domain: automation
  input:
    motion_entity:
      name: Motion Sensor
      selector:
        entity:
          domain: binary_sensor
          multiple: true
    light_target:
      name: Light
      selector:
        entity:
          domain:
            - light
            - switch
          multiple: true
    illuminance_entity:
      name: Lux Sensor
      selector:
        entity:
          domain: sensor
          device_class: illuminance
    lux_trigger_value:
      name: Required Lux Level
      description: Lux level required by the sensor, below which the automation will run.
      default: 700
      selector:
        number:
          min: 0
          max: 60000
          unit_of_measurement: lx
    no_motion_wait:
      name: Wait time
      description: Time to leave the light on after last motion is detected.
      default: 120
      selector:
        number:
          min: 0
          max: 3600
          unit_of_measurement: seconds

trigger:
  - platform: state
    entity_id: !input motion_entity
    from: 'off'
    to: 'on'
  - platform: state
    entity_id: !input motion_entity
    to: 'off'
    for:
      seconds: !input no_motion_wait
condition:
  - condition: not
    conditions:
    - condition: state
      entity_id: input_select.home_mode
      state: Away
action:
  - choose:
    - conditions:
      - condition: state
        entity_id: !input motion_entity
        state: 'on'
      - condition: numeric_state
        entity_id: !input illuminance_entity
        below: !input lux_trigger_value
      sequence:
        - service: homeassistant.turn_on
          target:
            entity_id: !input light_target
    - conditions:
      - condition: state
        entity_id: !input motion_entity
        state: 'off'
      sequence:
        - service: homeassistant.turn_off
          target:
            entity_id: !input light_target