HomeAssistant Dynamic Lighting Blueprint

ha_dynamic_lighting_blueprint.yaml

blueprint:
  name: Smart light dimmer w motion
  description: |
    Version 0.1
    Dim or turn off light based on the value of a light sensor & motion
  source_url: https://gist.github.com/mikebirdgeneau/70fc7aa307a17a34bc7eb92e158c2128
  domain: automation
  input:
    light_sensor_entity:
      name: Light Sensor
      selector:
        entity:
          domain: sensor
          device_class: illuminance

    max_brightness_value:
      name: Maximum ambient light value
      description: Light is turned off above this value.
      default: 500
      selector:
        number:
          min: 0
          max: 1000
          step: 10
          unit_of_measurement: lx
          mode: slider

    min_brightness_value:
      name: Minimum ambient light value
      description: The light does not change brightness further under this value.
      default: 0
      selector:
        number:
          min: 0
          max: 1000
          step: 10
          unit_of_measurement: lx
          mode: slider

    light_value_1:
      name: Dimming value 1
      description: Brightness of the light at maximum ambient light.
      default: 0
      selector:
        number:
          min: 0
          max: 255
          step: 1
          mode: slider

    light_value_2:
      name: Dimming value 2
      description: Brightness of the light at minimum ambient light.
      default: 255
      selector:
        number:
          min: 0
          max: 255
          step: 1
          mode: slider

    target_light:
      name: Target light
      selector:
        target:
          entity:
            domain: light

    schedule_start:
      name: Schedule start time
      description: Automation only runs after this time.
      selector:
        time:

    schedule_stop:
      name: Schedule stop time
      description: Automation does not run after this time.
      selector:
        time:
        
    motion_sensor:
      name: Motion Sensor
      description: Motion Sensor used to activate room lighting
      selector:
        target:
          entity:
            domain: sensor
            device_class: motion
     
    no_motion_duration:
      name: No Activity Minutes
      description: How many minutes should the lighting remain activated without motion.
      selector:
        number:
          min: 0
          max: 1440
          step: 1

mode: single

variables:
  light_sensor: !input light_sensor_entity
  maxB: !input max_brightness_value
  minB: !input min_brightness_value
  light1: !input light_value_1
  light2: !input light_value_2
  slope: "{{ (light1 - light2) / ( maxB - minB ) }}"
  constant: "{{ light1 - ( slope * maxB ) }}"

trigger:
  platform: state
  entity_id: !input light_sensor_entity

condition:
  - condition: numeric_state
    entity_id: !input light_sensor_entity
    above: !input min_brightness_value

  - condition: time
    after: !input schedule_start
    before: !input schedule_stop
    
  - condition: state
    entity_id: !input motion_sensor
    state: 'off'
    for:
      minutes: !input no_motion_duration

action:
  - service: light.turn_on
    data:
      brightness: >
        {% if states(light_sensor)|int > maxB %}
          0
        {% else %}
          {{ (( slope * states(light_sensor)|int ) + constant)|round }}
        {% endif %}

    target: !input target_light