ESPHome config for Blitzwolf BW-SHP6 Smart Plug

BW-SHP6-plug.yaml

substitutions:
  device_description: "Boiler connected Blitzwolf BW-SHP6 Plug"
  device_name: "boiler-shp-plug"
  sensors_update_interval: "30s" # plug sensors update interval
  diag_update_interval: "60s" # diagnostics sensors update interval
  # Higher value gives lower watt readout
  current_res: "0.00290"
  # Lower value gives lower voltage readout
  voltage_div: "940"
  # Max Power is 3450W for 15A and 2300W for 10A
  max_power: "2000"
  # 2020 model uses GPIO4 for CF1
  cf1_pin: GPIO14
  # BW-SHP6, outlet with powermonitoring.
  # One button for the relay, and one red led for the relay, as well as a blue status led
  # Static IP is configured, and fast_connect is enabled, as the SSID is hidden
  # Webserver is active and pw protected, and the OTA is password protected

esphome:
  name: "${device_name}"
  comment: "${device_description}"
  friendly_name: Boiler SHP6 Plug

  on_boot: # restore relay state
    - priority: 600
      then:
        - select.set_index:
            id: power_mode
            index: !lambda |-
                    return id(restore_mode)-1;
        - lambda: |-
              switch(id(restore_mode))
              {
              case 1:{
                      id(relay).turn_off();
                      break;
                            }
              case 2:{
                      id(relay).turn_on();
                      break;
                            }
              default:{
                      break;
                            }
              }

esp8266:
  board: esp8285
  restore_from_flash: true  # required on ESP8266 to enable restoring device settings upon restart
preferences:
  flash_write_interval: 5min  # set to 5min to prevent wearing out the onboard flash module too quickly

# 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: "Boiler-Plug Fallback Hotspot"
    password: !secret ap_password

captive_portal:

# Sets time from Homeassistant
time:
  - platform: homeassistant
    id: homeassistant_time  

globals:
  - id: restore_mode
    type: int
    restore_value: yes
    initial_value: "2"      # 0 = Always_Off. 1 = Restore_Power_Off. 2 = Always_On.

text_sensor:
  # Uptime Human Readable
  - platform: template
    name: Uptime HR
    entity_category: "diagnostic"
    id: uptime_human
    icon: mdi:clock-start   

  - platform: wifi_info
    ip_address:
      name: "IP Address"
      entity_category: diagnostic
    mac_address:
      name: "Mac Address"
      entity_category: diagnostic

# Button configuration
binary_sensor:
  - platform: gpio
    name: "Button"
    id: plug_button
    pin:
      number: GPIO13
      inverted: true
    on_multi_click:
      - timing:
          - ON for at most 1s
          - OFF for at least 0.2s
        then:
          - switch.toggle: relay
      - timing:
          - ON for at least 4s
        then:
          - button.press: Reset

  - platform: status
    name: "Status"
    entity_category: diagnostic

# Setup of LED's used in displaying Switch status
output:
  - platform: gpio
    pin: GPIO0
    inverted: true
    id: led

# Config for switch
switch:
  - platform: gpio
    pin: GPIO15
    restore_mode: RESTORE_DEFAULT_OFF
    id: relay
    name: "Relay"
    on_turn_on:
      - output.turn_on: led
    on_turn_off:
      - output.turn_off: led

# Status LED for connection
status_led:
  pin:
    number: GPIO2
    inverted: true

# Sensors for Voltage (V), Current (A), Power (W), Daily energy usage (kWh)
sensor:
  - platform: hlw8012
    sel_pin:
      number: GPIO12
      inverted: true
    cf_pin: GPIO5
    cf1_pin: ${cf1_pin}
    current_resistor: ${current_res}
    voltage_divider: ${voltage_div}
    current:
      name: "Current"
      unit_of_measurement: "A"
      accuracy_decimals: 3
      icon: mdi:flash-outline
    voltage:
      name: "Voltage"
      unit_of_measurement: "V"
      icon: mdi:flash-outline
    power:
      name: "Power"
      unit_of_measurement: "W"
      id: power
      icon: mdi:flash-outline
      on_value_range:
        - above: ${max_power}
          then:
            - output.turn_off: led
            - switch.turn_off: relay
    energy:
      name: "Energy"
      unit_of_measurement: "Wh"
      icon: mdi:flash-outline            
    change_mode_every: 4
    update_interval: ${sensors_update_interval}

  - platform: total_daily_energy
    name: "Total Daily Energy"
    restore: true
    power_id: power
    unit_of_measurement: kWh
    accuracy_decimals: 3
    filters:
      - multiply: 0.001

  # Uptime sensor.
  - platform: uptime
    name: "Uptime"
    entity_category: "diagnostic"
    id: plug_uptime
    update_interval: ${diag_update_interval}
    on_raw_value:
      then:
        - text_sensor.template.publish:
            id: uptime_human
            state: !lambda |-
              int seconds = round(id(plug_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();   

  # 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: ""

button:
  - platform: restart
    name: "Restart"
    entity_category: config

  - platform: factory_reset
    name: "Factory Reset"
    id: Reset
    entity_category: config

select:
  - platform: template
    name: "Power On State"
    id: "power_mode"
    optimistic: true
    icon: mdi:electric-switch
    options:
      - Always Off
      - Always On
      - Restore Power Off State
    on_value:
      then:
        - lambda: |-
            id(restore_mode)=i+1;

# Enable Web server.
web_server:
  port: 80