Lichtwecker (wake-up light) #home-assistant

readme.md

Lichtwecker (Wake-up light)

This is a blueprint for a wake-up light. The automation slightly increases the brigtness of a light to simulate a sunrise in the morning. The light intensity increases over a user defined period to wake you up gently.

Installation

lichtwecker.yaml

blueprint:
  name: Lichtwecker (Wake-up Light)
  description: Gradually turns on a light over a specified duration to simulate a sunrise.
  domain: automation
  input:
    light:
      name: Light
      description: The light to control.
      selector:
        entity:
          domain: light
    schedule:
      name: Wake-up Schedule
      description: The schedule to start the wake-up sequence.
      selector:
        entity:
          domain: schedule
    duration:
      name: Duration (minutes)
      description: The duration of the dimming sequence in minutes.
      default: 15
      selector:
        number:
          min: 1
          max: 60
          unit_of_measurement: minutes
          step: 1

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

condition:
  - condition: state
    entity_id: !input light
    state: "off"

mode: restart

variables:
  input_schedule: !input schedule

action:
  - variables:
      input_duration: !input duration
      total_steps: "{{ (input_duration | int) * 4 }}"
      brightness_step_pct: "{{ (100 / total_steps) | int }}"
      transition_seconds: "{{ (input_duration | int) * 60 / total_steps | round(0) | int }}"
  - service: light.turn_on
    target:
      entity_id: !input light
    data:
      brightness_pct: 1
      transition: 0
  - delay:
      milliseconds: 500
  - repeat:
      count: "{{ total_steps }}"
      sequence:
        - condition: state
          entity_id: !input light
          state: "on"
        - service: light.turn_on
          target:
            entity_id: !input light
          data:
            brightness_step_pct: "{{ brightness_step_pct }}"
            transition: "{{ transition_seconds }}"
        - delay:
            seconds: "{{ transition_seconds }}"