Qual foi a solução? Key especifica?
Acrescenta no yaml, na parte de sensores:
- name: "Watermeter Last Month"
field: "last_month_total"
accuracy_decimals: 3
unit_of_measurement: "m3"
device_class: "water"
state_class: "total_increasing"
icon: "mdi:water"
- name: "Watermeter Battery"
field: "remaining_battery_life"
accuracy_decimals: 0
unit_of_measurement: "Y"
device_class: "signal_strength"
state_class: "measurement"
entity_category: "diagnostic"
- name: "Watermeter Measure Date"
field: "last_month_measure_date"
accuracy_decimals: 3
unit_of_measurement: "m³"
device_class: "water"
state_class: "total_increasing"
icon: "mdi:water"