bw_shp8_boiler.yaml

# Based on https://community.home-assistant.io/t/esphome-blitzwolf-bw-shp6-configuration/113938/13?u=bessarabov

substitutions:
  device_name: bw_shp8_boiler
  upper_devicename: "BW-SHP8 Boiler"

  # Higher value gives lower watt readout
  current_res: '0.00221'

  # Lower value gives lower voltage readout
  voltage_div: '825'

esphome:
  name: ${device_name}
  platform: ESP8266
  board: esp8285
  on_boot:
    priority: -10
    then:
      - light.turn_on: ${device_name}_blue_led_light

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

logger:

api:
  password: !secret api_password

ota:
  password: !secret ota_password

time:
  - platform: homeassistant
    id: homeassistant_time

binary_sensor:
  - platform: gpio
    id: ${device_name}_button
    pin:
      number: GPIO3
      inverted: True
      mode: INPUT_PULLUP
    on_press:
      - switch.toggle: ${device_name}_relay

  - platform: status
    name: "${upper_devicename} Status"
    id:  ${device_name}_status

output:
  - platform: esp8266_pwm
    pin: GPIO13
    inverted: true
    id: ${device_name}_blue_led

light:
  - platform: monochromatic
    name: "${upper_devicename} Blue LED"
    output: ${device_name}_blue_led
    id: ${device_name}_blue_led_light

switch:
  - platform: gpio
    pin: GPIO14
    id: ${device_name}_relay
    name: '${upper_devicename} Relay'
    on_turn_on:
      - light.turn_off: ${device_name}_blue_led_light
    on_turn_off:
      - light.turn_on: ${device_name}_blue_led_light
  - platform: restart
    name: "${upper_devicename} Restart switch"

sensor:
  - platform: uptime
    name: '${upper_devicename} Uptime'
    update_interval: 60s

  - platform: wifi_signal
    name: "${upper_devicename} WiFi Signal Sensor"
    update_interval: 300s
    id: ${device_name}_wifisignal

  - platform: hlw8012
    sel_pin:
      number: GPIO12
      inverted: true
    cf_pin: GPIO04
    cf1_pin: GPIO05
    current_resistor: ${current_res}
    voltage_divider: ${voltage_div}
    current:
      name: '${upper_devicename} Current'
      unit_of_measurement: 'A'
      accuracy_decimals: 3
      icon: mdi:flash-outline
    voltage:
      name: '${upper_devicename} Voltage'
      unit_of_measurement: 'V'
      accuracy_decimals: 0
      icon: mdi:flash-outline
    power:
      id: '${device_name}_power'
      name: '${upper_devicename} Power'
      unit_of_measurement: 'W'
      icon: mdi:flash-outline
    change_mode_every: 4
    update_interval: 5s

  - platform: total_daily_energy
    name: "${upper_devicename} Total Daily Energy"
    power_id: '${device_name}_power'
    filters:
        # Multiplication factor from W to kW is 0.001
        - multiply: 0.001
    unit_of_measurement: kWh
    icon: mdi:clock-alert