Skip to content

Instantly share code, notes, and snippets.

Show Gist options
  • Save cwjohnston/1030d9a588371df9e7fdd300f7b2d33d to your computer and use it in GitHub Desktop.
Save cwjohnston/1030d9a588371df9e7fdd300f7b2d33d to your computer and use it in GitHub Desktop.
Home Assistant Blueprint: Low battery level detection & notification for all battery sensors
blueprint:
name: Low battery level detection & notification for all battery sensors
description: Regularly test all sensors with 'battery' device-class for crossing
a certain battery level threshold and if so execute an action.
domain: automation
input:
threshold:
name: Battery warning level threshold
description: Battery sensors below threshold are assumed to be low-battery (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: Battery sensors (e.g. smartphone) to exclude from detection. Only entities are supported, devices must be expanded!
default: {entity_id: []}
selector:
target:
entity:
device_class: battery
actions:
name: Actions
description: Notifications or similar to be run. {{sensors}} is replaced with
the names of sensors being low on battery.
selector:
action: {}
source_url: https://gist.github.com/sbyx/1f6f434f0903b872b84c4302637d0890
variables:
day: !input 'day'
threshold: !input 'threshold'
exclude: !input 'exclude'
sensors: >-
{% set result = namespace(sensors=[]) %}
{% for state in states.sensor | selectattr('attributes.device_class', '==', 'battery') %}
{% if state.state | int < threshold and not state.state == 'unavailable' %}
{% set result.sensors = result.sensors + [state.name ~ ' (' ~ state.state ~ '%)'] %}
{% endif %}
{% endfor %}
{% for sensor in states.binary_sensor %}
{% if 'battery_level' in sensor.attributes %}
{% if ((state_attr(sensor.entity_id, 'battery_level')-2) |float/0.01)|round(1) | int < threshold and not sensor.state == 'unavailable' %}
{% set result.sensors = result.sensors + [sensor.name ~ ' (' ~ ((state_attr(sensor.entity_id, 'battery_level')-2)|float/0.01)|round(1) ~ '%)'] %}
{% endif %}
{% endif %}
{% endfor %}
{% for sensor in states.camera %}
{% if 'battery_level' in sensor.attributes %}
{% if state_attr(sensor.entity_id, 'battery_level') | int < threshold and not sensor.state == 'unavailable' %}
{% set result.sensors = result.sensors + [sensor.name ~ ' (' ~ state_attr(sensor.entity_id, 'battery_level')~ '%)'] %}
{% endif %}
{% endif %}
{% endfor %}
{{result.sensors|join('\n')}}
trigger:
- platform: time
at: !input 'time'
condition:
- '{{ sensors != '''' and (day | int == 0 or day | int == now().isoweekday()) }}'
action:
- choose: []
default: !input 'actions'
mode: single
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment