ESPHome config for Beken bk72xx Smart Plug

freezer-plug.yaml

esphome:
  name: freezer-plug
  comment: "${device_description}"
  friendly_name: Freezer Plug

substitutions:
  device_description: "Freezer Plug with power metering"
  power_update_interval: 15s
  diag_update_interval: 60s
  max_power: "2000"

time:
  - platform: homeassistant
    id: homeassistant_time

bk72xx:
  board: generic-bk7231t-qfn32-tuya

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_encryption_key

ota:
  platform: esphome
  password: !secret ota_password

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Freezer-Plug Fallback Hotspot"
    password: !secret ap_password

captive_portal:

button:
  - platform: restart
    name: Restart

debug:
  update_interval: 30s

text_sensor:
  - platform: debug
    reset_reason:
      name: Reset Reason
  - platform: libretiny
    version:
      name: LibreTiny Version
  # Uptime Human Readable
  - platform: template
    name: Uptime HR
    id: uptime_human
    icon: mdi:clock-start

sensor:
  - platform: uptime
    name: Uptime
    id: esp_uptime
    update_interval: ${diag_update_interval}
    on_raw_value:
      then:
        - text_sensor.template.publish:
            id: uptime_human
            state: !lambda |-
              int seconds = round(id(esp_uptime).raw_state);
              int days = seconds / (24 * 3600);
              seconds = seconds % (24 * 3600);
              int hours = seconds / 3600;
              seconds = seconds % 3600;
              int minutes = seconds /  60;
              seconds = seconds % 60;
              return (
                (days ? String(days) + "d " : "") +
                (hours ? String(hours) + "h " : "") +
                (minutes ? String(minutes) + "m " : "") +
                (String(seconds) + "s")
              ).c_str();   

  - platform: hlw8012
    model: BL0937
    cf_pin:
      number: P7
      inverted: true
    cf1_pin:
      number: P8
      inverted: true
    sel_pin:
      number: P24
      inverted: true
    current:
      name: BL0937 Current
      filters:
        - multiply: 0.5      
    voltage:
      name: BL0937 Voltage
    power:
      name: BL0937 Power
      id: power_sensor
      on_value_range:
        - above: ${max_power}
          then:
            - switch.turn_off: switch_1
    energy:
      name: BL0937 Energy
    voltage_divider: 863 #845
    current_resistor: 0.001 ohm
    update_interval: ${power_update_interval}
    #change_mode_every: 1
  
  # WiFi Signal sensor.
  - platform: wifi_signal
    name: "WiFi Signal dB"
    id: wifi_signal_db
    entity_category: "diagnostic"
    update_interval: ${diag_update_interval}
  - platform: copy # Reports the WiFi signal strength in %
    source_id: wifi_signal_db
    name: "WiFi Signal Percent"
    filters:
        - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "%"
    entity_category: "diagnostic"
    device_class: ""

  - platform: total_daily_energy
    name: "Total Daily Energy"
    restore: true
    power_id: power_sensor
    unit_of_measurement: kWh
    accuracy_decimals: 3
    filters:
      - multiply: 0.001
      
binary_sensor:
  - platform: gpio
    id: binary_switch_1
    pin:
      number: P10
      inverted: true
      mode: INPUT_PULLUP
    on_press:
      then:
        - switch.toggle: switch_1

switch:
  - platform: gpio
    id: switch_1
    name: Relay 1
    pin: P26
    restore_mode: RESTORE_DEFAULT_ON

status_led:
  pin:
    number: P6
    inverted: true

# Enable Web server.
web_server:
  port: 80