I hope you’re not in the same boat, but getting my kids to brush their teeth consistently can be a daily struggle. After an unpleasant incident this morning, I decided to add some fun to the routine using Home Assistant, hoping my daughter would stay motivated (at least for a while😆).
With this setup, I wanted the teeth brushing events to be automatically detected, announced by the Google speaker, accompanied by a two-minute song playing, and recorded in Home Assistant.
As she is using a plain electric tooth brush without bluetooth or app connection, there’s no direct way to get the teeth brushing data. I was thinking to put a NFC stick on the brush or somewhere, but it doesn’t sound good because it relies on a phone touch to trigger.
So I removed a Zigbee button from the frontdoor (which was set to press before leaving home but rearly used) and stick it on the mirror in the bathroom. The kid can press it to start the brushing automation.
Here’s a random link of the button on AliExpress.
Components that are needed for this flow:
Spotify and Spotcast integrations for 2-minute brushing songsCreate a few helper entities in Home Assistant:
input_datetime.teeth_brushing_start and end (single brushing recording)counter.teeth_brushing_counter (daily count)counter.teeth_brush_streak (streak days)The kid is expected to press the button and then start the brushing. The button triggers an automation:
alias: Brush teeth
description: ""
triggers:
- device_id: 24c653c21ef64657d22831f1194c63e1
domain: zha
type: remote_button_short_press
subtype: remote_button_short_press
trigger: device
conditions:
- condition: time
after: "06:00:00"
before: "23:59:00"
actions:
- action: input_datetime.set_datetime
metadata: {}
data:
datetime: "{{now()}}"
target:
entity_id: input_datetime.teeth_brushing_start
- action: media_player.volume_set
metadata: {}
data:
volume_level: "{{ volume_level }}"
target:
entity_id: "{{ speaker }}"
- action: tts.google_translate_say
metadata: {}
data:
cache: true
entity_id: "{{ speaker }}"
message: Let's brush our teeth for two minutes!
- delay: "00:00:05"
- action: script.play_spotify_list
metadata: {}
data:
entity: "{{ speaker }}"
uri: "{{ playlist_uri }}"
volume: "{{ (volume_level * 100) | int }}"
- delay:
hours: 0
minutes: 1
seconds: 50
milliseconds: 0
- action: input_datetime.set_datetime
metadata: {}
data:
datetime: "{{now()}}"
target:
entity_id: input_datetime.teeth_brushing_end
- action: counter.increment
metadata: {}
data: {}
target:
entity_id: counter.teeth_brushing_counter
- choose:
- conditions:
- condition: template
value_template: "{{ states('counter.teeth_brushing_counter') | int == 1 }}"
sequence:
- data:
cache: false
entity_id: "{{ speaker }}"
message: >
Great job starting your day with brushing! You’re on a {{
states('counter.teeth_brushing_streak') | int }}-day streak.
Keep it up, and you’ll make it even longer tonight!
action: tts.google_translate_say
- conditions:
- condition: template
value_template: "{{ states('counter.teeth_brushing_counter') | int == 2 }}"
sequence:
- target:
entity_id: counter.teeth_brushing_streak
action: counter.increment
- data:
cache: false
entity_id: "{{ speaker }}"
message: >
Fantastic! You’ve brushed twice today and kept your streak
going! That’s now {{ states('counter.teeth_brushing_streak') |
int }} days in a row! Awesome job, keep shining!
action: tts.google_translate_say
- conditions:
- condition: template
value_template: "{{ states('counter.teeth_brushing_counter') | int > 2 }}"
sequence:
- data:
cache: true
entity_id: "{{ speaker }}"
message: >
Wow, you’re really into brushing today! Keep those teeth
sparkling clean!
action: tts.google_translate_say
variables:
speaker: media_player.mira_room_speaker
volume_level: |
{% set now_time = now().strftime('%H:%M') %} {% if now_time < '21:15' %}
0.47
{% else %}
0.12
{% endif %}
playlist_uri: spotify:playlist:3lacrdXRalnL5FJrzb4UcS
mode: single
At midnight, another automation checks whether (>= 2) brushing happened that day, and update the counter and streak.
alias: Update Teeth Brush Helpers at Midnight
description: Reset daily counter and streak
triggers:
- at: "23:59:00"
trigger: time
conditions: []
actions:
- variables:
brushed_today: "{{ states(daily_counter) | int > 1 }}"
- choose:
- conditions:
- condition: template
value_template: "{{ not brushed_today }}"
sequence:
- target:
entity_id: "{{ streak_counter }}"
action: counter.reset
- target:
entity_id: "{{ daily_counter }}"
action: counter.reset
mode: single
variables:
daily_counter: counter.teeth_brushing_counter
streak_counter: counter.teeth_brushing_streak
🥚 → 🐣 → 🐥 → 🐓 → 🦅 → 🐦🔥 → 🐉
Make it a bit more fun by adding some emoji evolution on home assistant dashboard. Each emoji evolves every 7 days to another level. This little trick has been working very well for my daughter to keep her motivated. Actually this idea was suggested by my daughter herself, and she always wants to take a look at the dashboard to see how the emojis are evolving after brushing.
A single Mushroom Template Chip shows both today’s brushing and the running streak. The number of 🪥 icons corresponds to the daily brushing count, and the streak is visualized with fire emojis.
type: custom:mushroom-chips-card
chips:
- type: template
entity: counter.teeth_brushing_counter
icon: mdi:toothbrush-electric
icon_color: blue
content: >
{% set count = states('counter.teeth_brushing_counter') | int %} {% set
streak = states('counter.teeth_brushing_streak') | int %} {% set brushes =
'🪥' * count if count > 0 else '0' %}
{% set stage = streak // 7 %} {% set rem = streak % 7 %}
{% set evolutions = ['🐣', '🐥', '🐓', '🦅', '🐦🔥'] %}
{% if stage == 0 %}
{% set evo = '' %}
{% elif stage <= evolutions | length %}
{% set evo = evolutions[:stage] | reverse | join('') %}
{% else %}
{% set dragons = '🐉' * (stage - (evolutions | length)) %}
{% set evo = dragons + (evolutions | reverse | join('')) %}
{% endif %}
{% set eggs = '🥚' * rem %} {% set final = evo + eggs if streak > 0 else
'0' %}
Today:{{ brushes }} Streak:{{ final }}
tap_action:
action: more-info
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