sensor:
  # Battery level
  - platform: adc
    pin: _VBAT
    name: "${node_name} VBAT Voltage"
    id: voltage
    attenuation: 11db
#    filters:
#      - multiply: 2
#    filters:
#      - lambda: return ( x/4096.0 ) * 2 * 3.42;
    update_interval: 60s
  - platform: template
    name: "${node_name} Battery Level"
    id: "battery_level"
    unit_of_measurement: '%'
    icon: "mdi:battery"
    device_class: "battery"
    state_class: "measurement"
    accuracy_decimals: 1
    update_interval: 60s
    lambda: |-
      return ((id(voltage).state -3) /1.2 * 100.00);

#deep_sleep:
#  run_duration: 30s
#  sleep_duration: 10min