bed_temp_automation.yaml

alias: Neptune 3 - Bed temperature notification
description: ""
trigger:
  - platform: template
    value_template: >-
      {{(states.sensor.neptune3_sensor.attributes['heater_bed']['temperature'] |
      float | round(1) | string ) < "30.0" }}
    for:
      hours: 0
      minutes: 0
      seconds: 25
condition: []
action:
  - device_id: <your_mobile_device_id>
    domain: mobile_app
    type: notify
    title: Elegoo Neptune 3
    message: >-
      Bed temp is below 30°C
      ({{(states.sensor.neptune3_sensor.attributes['heater_bed']['temperature']
      |       float | round(1) | string ) }}°C)
mode: single