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Home Assistant Blueprint: Low battery level detection & notification for all battery sensors based on https://community.home-assistant.io/t/plant-moisture-notification/369425
blueprint:
name: Low moisture level detection & notification for all plant sensors
description: Regularly test all plant sensors with 'moisture' crossing
under their threshold.
domain: automation
input:
threshold:
name: Water warning level threshold
description: Water sensors below threshold are assumed to be low-Water (as
well as binary battery sensors with value 'on').
default: 20
selector:
number:
min: 5.0
max: 100.0
unit_of_measurement: '%'
mode: slider
step: 5.0
time:
name: Time to test on
description: Test is run at configured time
default: '10:00:00'
selector:
time: {}
day:
name: Weekday to test on
description: 'Test is run at configured time either everyday (0) or on a given
weekday (1: Monday ... 7: Sunday)'
default: 0
selector:
number:
min: 0.0
max: 7.0
mode: slider
step: 1.0
exclude:
name: Excluded Sensors
description: Plant sensors (e.g. cactus) to exclude from detection. Only entities are supported, devices must be expanded!
default: {entity_id: []}
selector:
target:
entity:
domain: plant
actions:
name: Actions
description: Notifications or similar to be run. {{sensors}} is replaced with
the names of sensors being low on battery.
selector:
action: {}
variables:
day: !input 'day'
threshold: !input 'threshold'
exclude: !input 'exclude'
sensors: >-
{% set result = namespace(sensors=[]) %}
{% for state in states.plant if 'moisture low' in state.attributes.problem %}
{% if not state.entity_id in exclude.entity_id %}
{% set result.sensors = result.sensors + [state.attributes.friendly_name] %}
{% endif %}
{% endfor %}
{{result.sensors|join(', ')}}
trigger:
- platform: time
at: !input 'time'
condition:
- '{{ sensors != '''' and (day | int == 0 or day | int == now().isoweekday()) }}'
action:
- choose: []
default: !input 'actions'
mode: single
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