CONFIGURATION YAML:

tts:
  - platform: google_translate
    service_name: google_say
    language: 'it'

binary_sensor:
  - platform: template
    sensors:
      stato_lavatrice:
        friendly_name: "Stato Lavatrice"
        value_template: "{{ states('sensor.lavatrice_power')| float(default=0) > 2.5 }}"
        device_class: power
        delay_on:
          seconds: 120
        delay_off:
          seconds: 120

AUTOMATION YAML:

- id: '1342212323443'
  alias: Lavatrice terminata
  description: ''
  trigger:
  - platform: state
    entity_id: binary_sensor.stato_lavatrice
    from: 'on'
    to: 'off'
  condition: []
  action:
  - device_id: 1113a34c36e672d8f95ad001c05cdafd
    domain: mobile_app
    type: notify
    message: La lavatrice ha terminato il lavaggio
    title: Lavatrice
  - device_id: 29af415246b3e2efe16042ccc5110e11
    domain: mobile_app
    type: notify
    message: La lavatrice ha terminato il lavaggio
    title: 'Lavatrice '
  - service: tts.google_say
    data:
      language: it
      message: Il lavaggio è terminato
      entity_id: media_player.tutta_la_casa
  mode: single