Plant Soil Moisture LED Indicator Blueprint

plant_soil_alert.yml

blueprint:
  name: Plant Soil Moisture LED Indicator
  description: >
    Monitors a plant's soil moisture and controls an LED to provide visual feedback.
    The LED will turn red when moisture is too low, yellow when moisture is too high, 
    and turn off when moisture is in the optimal range.
  domain: automation
  input:
    plant_entity:
      name: Plant Entity
      description: The plant entity to monitor (e.g., plant.window_tv_peace_lily)
      selector:
        entity:
          domain: plant
    led_entity:
      name: LED Light
      description: The LED light to control as an indicator
      selector:
        entity:
          domain: light

# Automation template
trigger:
  # This will trigger when the plant entity state changes
  - platform: state
    entity_id: !input plant_entity
    id: "plant_state_change"
  
  # Also trigger when the soil moisture sensor changes
  - platform: template
    id: "moisture_status_change"
    value_template: >
      {% set plant_id = this.attributes.get('entity_id').split('.')[1] %}
      {% set moisture_sensor = 'sensor.' + plant_id + '_soil_moisture' %}
      {{ is_state_attr(this.attributes.get('entity_id'), 'moisture_status', 'low') 
         or is_state_attr(this.attributes.get('entity_id'), 'moisture_status', 'high')
         or is_state_attr(this.attributes.get('entity_id'), 'moisture_status', 'ok') }}
  
  # Also trigger when Home Assistant starts
  - platform: homeassistant
    event: start
    id: "ha_start"

condition:
  # Only run when the entities have valid values
  - condition: template
    value_template: >
      {{ not is_state(input.plant_entity, 'unavailable') 
         and not is_state(input.plant_entity, 'unknown') }}

action:
  - variables:
      plant_base_id: "{{ input.plant_entity.split('.')[1] }}"
      soil_moisture_sensor: "sensor.{{ plant_base_id }}_soil_moisture"
      min_soil_moisture: "number.{{ plant_base_id }}_min_soil_moisture"
      max_soil_moisture: "number.{{ plant_base_id }}_max_soil_moisture"
      moisture_status: "{{ state_attr(input.plant_entity, 'moisture_status') }}"
  
  - choose:
      # Condition 1: Moisture too low - LED red at 100%
      - alias: "Moisture Too Low (Need Water)"
        conditions:
          - condition: or
            conditions:
              - condition: template
                value_template: "{{ moisture_status == 'low' }}"
              - condition: and
                conditions:
                  - condition: template
                    value_template: "{{ states(soil_moisture_sensor) != 'unknown' and states(soil_moisture_sensor) != 'unavailable' }}"
                  - condition: template
                    value_template: "{{ states(min_soil_moisture) != 'unknown' and states(min_soil_moisture) != 'unavailable' }}"
                  - condition: template
                    value_template: >
                      {{ states(soil_moisture_sensor) | float < 
                         states(min_soil_moisture) | float }}
        sequence:
          - service: light.turn_on
            target:
              entity_id: !input led_entity
            data:
              rgb_color: [255, 0, 0]  # Red
              brightness_pct: 100
      
      # Condition 2: Moisture too high - LED yellow at 100%
      - alias: "Moisture Too High (Overwatered)"
        conditions:
          - condition: or
            conditions:
              - condition: template
                value_template: "{{ moisture_status == 'high' }}"
              - condition: and
                conditions:
                  - condition: template
                    value_template: "{{ states(soil_moisture_sensor) != 'unknown' and states(soil_moisture_sensor) != 'unavailable' }}"
                  - condition: template
                    value_template: "{{ states(max_soil_moisture) != 'unknown' and states(max_soil_moisture) != 'unavailable' }}"
                  - condition: template
                    value_template: >
                      {{ states(soil_moisture_sensor) | float > 
                         states(max_soil_moisture) | float }}
        sequence:
          - service: light.turn_on
            target:
              entity_id: !input led_entity
            data:
              rgb_color: [255, 255, 0]  # Yellow
              brightness_pct: 100
    
    # Default: Moisture is normal - Turn LED off
    default:
      - alias: "Moisture Normal (Optimal)"
        service: light.turn_off
        target:
          entity_id: !input led_entity