fan blueprint

gistfile1.yaml

blueprint:
  name: Bathroom Fan Humidity Control
  description: A first pass at controlling bathroom fans by checking the change in humidity and being able to enter your own guesses for certain thresholds.
  domain: automation
  input:
    humidity_derivative_sensor:
      name: Humidity Derivative Sensor 
      description: IMPORTANT set up a derivative sensor for your humidity in configuration.yaml and restart before using this!
      selector:
        entity:
    humidity_change_percent_to_start:
      name: Percent change to start fan
      description: Over the given period of time, how much % should the humidity have risen to trigger this fan.
      default: 10
      selector:
        number:
          min: 1
          max: 100
    fan_switch_target:
      name: Fan Switch
      default: []
      selector:
        target:
          entity:
            domain: switch
    time_to_run:
      name: Duration of time to run
      description: once humidity threshold has been reached, run the fan for this long.  Restart the timer if the threshold gets reached again.
      default: 10
      selector:
        number:
          min: 0
          max: 60
          step: 0.5
          unit_of_measurement: minutes
    manual_switch:
      name: Manual Fan Switch
      description: Manually turn on the fan
      default: []
      selector:
        target:
          entity:
            domain: switch

trigger:
  - platform: numeric_state
    entity_id: !input humidity_derivative_sensor
    above: !input humidity_change_percent_to_start
    below: "100"
  - platform: state
    entity_id: !input manual_switch
    to: 'on'

condition:
  - condition: numeric_state
    entity_id: !input humidity_derivative_sensor
    above: !input humidity_change_percent_to_start
    below: '100'

action:
  - service: switch.turn_on
    target: !input fan_switch_target
  - wait_for_trigger:
      - platform: state
        entity_id: !input humidity_derivative_sensor
        to: 'off'
  - service: switch.turn_off
    target: !input fan_switch_target

mode: restart
max_exceeded: silent