Adjustable countdown timer with a dashboard card that will switch off an entity at a selected amount of time and show a by the minute count down of time left .
**You can also tell google assistant or alexa to turn on office timer for your Last preset time set.
by saying " ok google turn on office timer"
Step 1:
Create a INPUT NUMBER input_number.office and a TOGGLE input_boolean.office_timer
for timer with HELPERS or with yaml.
this will be the timer and switch to activate timer.
in the settings for input number you can set your MIN or Max time to what you want.
Step 2:
Countdown timer template in your template.yaml file
or in configuration.yaml under your template: lines in the proper yaml format and spacing.
change the names of your input number and in the two spots for your input boolean below…
- sensors:
office_time_remaining:
friendly_name: 'office Time Remaining'
unit_of_measurement: "min"
value_template: >
{% if is_state('input_boolean.office_timer', 'on') %}
{{ [ (states('input_number.office')|int - (as_timestamp(now()) - as_timestamp(states.input_boolean.office_timer.last_changed))/60)|round(0) ,0 ] | max }}
{% else %}
0
{% endif %}
Dont forget to reload Templates entities in the YAML configuration reloading in the YAML section of Developer tools after any changes to your template.
Step 3:
Automate using automation UI or with Yaml
alias: office timer
description: adjust office light lime
trigger:
- platform: state
entity_id:
- sensor.office_time_remaining
to: "0"
condition: []
action:
- service: light.turn_off
data: {}
target:
entity_id: light.office_light
- service: input_boolean.turn_off
data: {}
target:
entity_id: input_boolean.office_timer
mode: restart
Step 4:
Create a Entities card with Dashboard UI or Yaml.
entities card
type: entities
entities:
- entity: light.office_light
- entity: input_number.office
- entity: sensor.office_time_remaining
- entity: input_boolean.office_timer
With this card you can Select the top Office light timer toggle to turn on/off the light and timer together.
Toggle Just the light on with the Office light Toggle
Or just use the Office timer start toggle to start/stop timer or stop timer if light is already on.
