battery_sensor_blueprint.yaml

blueprint:
  name: Kindle Screensaver Battery Level
  domain: automation
  input:
    webhook_id:
      name: Webhook ID
      description: Unique and secret ID of ID to use for webhook. It's recommended to run `openssl rand -hex 16` to generate something random.
      default: set_kindle_battery_level
    local_only:
      name: Only allow connections from the local network
      selector:
        boolean:
      default: true
    battery_level:
      name: Entity to save battery level in
      description: Please create a new helper entity first.
      selector:
        entity:
          domain: input_number
    battery_charging:
      name: Entity to save battery charging state in
      description: Please create a new helper entity first.
      selector:
        entity:
          domain: input_boolean

trigger:
  - platform: webhook
    webhook_id: !input webhook_id
    local_only: !input local_only
action:
  - service: input_number.set_value
    target:
      entity_id: !input battery_level
    data:
      value: "{{ trigger.json.batteryLevel }}"
  - service_template: >-
      {% if trigger.json.isCharging %}
      input_boolean.turn_on
      {% else %}
      input_boolean.turn_off
      {% endif %}
    target:
      entity_id: !input battery_charging