只是要是小米有電量偵測裝置 都可以瓦數抽出來看 示範把小米wifi插座的load_power抽出來看 sensor: - platform: template sensors: son_battery: friendly_name: "兒子用電" unit_of_measurement: 'W' value_template: "{{ state_attr('switch.original_xiaomi_mi_smart_wifi_socket4', 'load_power') }}"