Home assistant configuration for integration with RF based smoke detectors. Full article is in my blog.

smoke.yaml

binary_sensor:
  - platform: mqtt
    name: "Room1 Smoke Detector"
    payload_on: "0x111111"
    payload_off: "0x111111off"
    device_class: smoke
    state_topic: "tele/tasmota_rf/RESULT"
    value_template: '{{ value_json.RfReceived.Data }}'
  - platform: mqtt
    name: "Room2 Smoke Detector"
    payload_on: "0x222222"
    payload_off: "0x222222off"
    device_class: smoke
    state_topic: "tele/tasmota_rf/RESULT"
    value_template: '{{ value_json.RfReceived.Data }}'
  - platform: mqtt
    name: "Test Smoke Detector"
    payload_on: "0x555555"
    payload_off: "0x555555off"
    device_class: smoke
    state_topic: "tele/tasmota_rf/RESULT"
    value_template: '{{ value_json.RfReceived.Data }}'

timer:
  room1_smoke_detector:
    duration: '00:00:05'
  room2_smoke_detector:
    duration: '00:00:05'
  test_smoke_detector:
    duration: '00:00:05'
  test_smoke_detector_check:
    duration: '00:00:04'

automation:
# room1
  - alias: Turn on room1 smoke sensor timer
    trigger:
      platform: mqtt
      topic: "tele/tasmota_rf/RESULT"
    condition:
      condition: template
      value_template: "{{ trigger.payload_json['RfReceived']['Data'] == '0x111111' }}"
    action:
      service: timer.start
      entity_id: timer.room1_smoke_detector
  - alias: Turn off room1 smoke sensor
    trigger:
      platform: event
      event_type: timer.finished
      event_data:
        entity_id: timer.room1_smoke_detector
    action:
      service: mqtt.publish
      data:
        topic: "tele/tasmota_rf/RESULT"
        payload: '{"RfReceived":{"Data":"0x111111off"}}'
        retain: "true"
  - alias: Notify about room1 smoke detector
    trigger:
    - entity_id: binary_sensor.room1_smoke_detector
      from: 'off'
      platform: state
      to: 'on'
    action:
    - service: persistent_notification.create
      data_template:
        title: Smoke detected
        message: "{{ trigger.entity_id }}"
#    - service: notify.mobile_app_PHONE
#      data_template:
#        title: Smoke detected
#        message: "{{ trigger.entity_id }}"
# room2 room
  - alias: Turn on room2 room smoke sensor timer
    trigger:
      platform: mqtt
      topic: "tele/tasmota_rf/RESULT"
    condition:
      condition: template
      value_template: "{{ trigger.payload_json['RfReceived']['Data'] == '0x222222' }}"
    action:
      service: timer.start
      entity_id: timer.room2_smoke_detector
  - alias: Turn off room2 room smoke sensor
    trigger:
      platform: event
      event_type: timer.finished
      event_data:
        entity_id: timer.room2_smoke_detector
    action:
      service: mqtt.publish
      data:
        topic: "tele/tasmota_rf/RESULT"
        payload: '{"RfReceived":{"Data":"0x222222off"}}'
        retain: "true"
  - alias: Notify about room2 room smoke detector
    trigger:
    - entity_id: binary_sensor.room2_room_smoke_detector
      from: 'off'
      platform: state
      to: 'on'
    action:
    - service: persistent_notification.create
      data_template:
        title: Smoke detected
        message: "{{ trigger.entity_id }}"
#    - service: notify.mobile_app_PHONE
#      data_template:
#        title: Smoke detected
#        message: "{{ trigger.entity_id }}"
# test sensor
  - alias: Turn on test smoke sensor timer
    trigger:
      platform: mqtt
      topic: "tele/tasmota_rf/RESULT"
    condition:
      condition: template
      value_template: "{{ trigger.payload_json['RfReceived']['Data'] == '0x555555' }}"
    action:
      service: timer.start
      entity_id: timer.test_smoke_detector
  - alias: Turn off test smoke sensor
    trigger:
      platform: event
      event_type: timer.finished
      event_data:
        entity_id: timer.test_smoke_detector
    action:
      service: mqtt.publish
      data:
        topic: "tele/tasmota_rf/RESULT"
        payload: '{"RfReceived":{"Data":"0x555555off"}}'
        retain: "true"
  - alias: Check if test smoke detector works
    trigger:
      platform: event
      event_type: timer.finished
      event_data:
        entity_id: timer.test_smoke_detector_check
    condition:
      - condition: state
        entity_id: binary_sensor.test_smoke_detector
        state: 'off'
    action:
    - service: persistent_notification.create
      data_template:
        title: RF Smoke detector check
        message: "FAILED"
#    - service: notify.mobile_app_PHONE
#      data_template:
#        title: RF Smoke detector check
#        message: "FAILED"
  - alias: Run RF test check
    trigger:
      platform: time_pattern
      minutes: 15
      seconds: 0
    action:
    - service: script.rf_test

script:
  rf_test:
    sequence:
    - service: timer.start
      entity_id: timer.test_smoke_detector_check
    - service: mqtt.publish
      data:
        topic: 'cmnd/tasmota_rf_test/RfSend'
        payload: '0x555555'
    - delay:
        seconds: 1 # wait a bit
    - service: mqtt.publish
      data:
        topic: 'cmnd/tasmota_rf_test/RfSend'
        payload: '0x555555'
    - delay:
        seconds: 1 # wait a bit
    - service: mqtt.publish
      data:
        topic: 'cmnd/tasmota_rf_test/RfSend'
        payload: '0x555555'
    - delay:
        seconds: 1 # wait a bit
    - service: mqtt.publish
      data:
        topic: 'cmnd/tasmota_rf_test/RfSend'
        payload: '0x555555'