sp111.yaml

substitutions:
  name: sp111
  friendly_name: SP111
  # Higher value gives lower watt readout
  current_res: "0.0010266"
  # Lower value gives lower voltage readout. In my case of about 15 of those devices this value is closest to my voltage meter
  voltage_div: "1670.24"
  current_measured: "0.468"
  current_truth: "0.424"
  current_zero: "0.020" 

esphome:
  name: $name
  friendly_name: $friendly_name
  name_add_mac_suffix: True

esp8266:
  board: esp8285
  restore_from_flash: true
  early_pin_init: False #Prevent fast switch toggling on restart

# Enable logging
logger:
  baud_rate: 0

# Enable Home Assistant API
api:

ota:

# Enable Home Assistant API
wifi:

  ap:

captive_portal:

dashboard_import:
  package_import_url: https://gist.github.com/lumascet/4aa98826f1d9c88373bf673551d1322c
  import_full_config: false # or true

preferences:
  flash_write_interval: 5min  # set to 5min to prevent wearing out the onboard flash module too quickly

# see: https://esphome.io/components/time.html
time:
  - platform: homeassistant
    id: homeassistant_time

text_sensor:
  - platform: version
    name: "${friendly_name} Version"
    icon: mdi:cube-outline

binary_sensor:
  - platform: status
    name: "${friendly_name} Status"
    device_class: connectivity

  # toggle relay on/off
  - platform: gpio
    pin:
      number: GPIO13
      mode: INPUT_PULLUP
      inverted: True
    id: "${name}_button_state"
    on_press:
      - switch.toggle: button_switch

sensor:
  - platform: wifi_signal
    name: "${friendly_name} Wifi Signal"
    update_interval: 60s
    icon: mdi:wifi

  - platform: uptime
    name: "${friendly_name} Uptime"
    update_interval: 60s
    icon: mdi:clock-outline

  - platform: total_daily_energy
    name: "${friendly_name} Energy Today"
    power_id: "power_wattage"
    filters:
      # Multiplication factor from W to kW is 0.001
      - multiply: 0.001
    unit_of_measurement: kWh
    icon: mdi:calendar-clock

  - platform: hlw8012
    model: BL0937
    sel_pin:
      number: GPIO12
      inverted: True
    cf_pin: GPIO05
    cf1_pin: GPIO04
    change_mode_every: 1
    current_resistor: ${current_res}
    voltage_divider: ${voltage_div}
    update_interval: 3s

    current:
      name: "${friendly_name} Current"
      unit_of_measurement: A
      accuracy_decimals: 3
      icon: mdi:current-ac
      filters:
        - calibrate_linear:
          - ${current_zero} -> 0.0
          - ${current_measured} -> ${current_truth} 
        - clamp:
            min_value: 0

    voltage:
      name: "${friendly_name} Voltage"
      unit_of_measurement: V
      accuracy_decimals: 1
      icon: mdi:flash

    power:
      name: "${friendly_name} Power"
      unit_of_measurement: W
      id: "power_wattage"
      icon: mdi:power-socket-eu

status_led:
  pin:
    number: GPIO02
    inverted: True
  id: led_blue

output:
  - platform: gpio
    pin: GPIO00
    inverted: true
    id: led_red

switch:
  - platform: template
    name: "${friendly_name} Switch"
    icon: mdi:power
    optimistic: false
    restore_mode: RESTORE_DEFAULT_OFF
    lambda: 'return id(relay).state;'
    id: button_switch
    turn_on_action:
      - switch.turn_on: relay
      - output.turn_on: led_red
    turn_off_action:
      - switch.turn_off: relay
      - output.turn_off: led_red
  - platform: gpio
    pin: GPIO15
    id: relay