Gosund SP1 + Esphome

gosund_sp1.yaml

substitutions:
  devicename: gosund_sp1_01
  friendlyname: SP1 Socket 01
  sp1_current_resistor: "0.00221"
  sp1_voltage_divider: "871"
  #############
  # Note: These numbers were found online
  # BW SHP2 Current Resistor: 0.0028
  # BW SHP2 Voltage Devider: 960
  # Gosund SP1 Current Resistor: 0.00221
  # Gosund SP1 Voltage Devider: 871
  # Gosund SP1 Current Resistor ALT: 0.00103
  # Gosund SP1 Voltage Devider ALT: 2160
  #############
  red_led_pin: GPIO13
  blue_led_pin: GPIO1

esphome:
  name: $devicename
  comment: $friendlyname
  platform: ESP8266
  board: esp8285

# WiFi connection
wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  ap:
    ssid: ${devicename}_fallback
    password: !secret wifi_fallback_password
    ap_timeout: 1min

captive_portal:
# Enable logging
logger:

# Enable Home Assistant API
api:
  password: !secret esphome_api_password

# Enable over-the-air updates
ota:
  password: !secret esphome_api_password

# Enable Web server
web_server:
  port: 80

# Sync time with Home Assistant
time:
  - platform: homeassistant
    id: homeassistant_time

# Text sensors with general information
text_sensor:
  - platform: version
    name: ${friendlyname} Version
  - platform: wifi_info
    ip_address:
      name: ${friendlyname} IP Address

sensor:
  # Uptime sensor
  - platform: uptime
    name: ${friendlyname} Uptime
  # WiFi Signal sensor
  - platform: wifi_signal
    name: ${friendlyname} Wifi Signal
    update_interval: 10s
  # Power sensor
  - platform: hlw8012
    sel_pin:
      number: GPIO12
      inverted: true
    cf_pin: GPIO04
    cf1_pin: GPIO05
    current_resistor: ${sp1_current_resistor}
    voltage_divider: ${sp1_voltage_divider}
    change_mode_every: 8
    update_interval: 10s
    # Current sensor
    current:
      name: ${friendlyname} Energy Current
      unit_of_measurement: A
      accuracy_decimals: 2
    # Voltage sensor
    voltage:
      name: ${friendlyname} Energy Voltage
      unit_of_measurement: V
      accuracy_decimals: 1
    # Power sensor
    power:
      id: power
      name: ${friendlyname} Energy Power
      unit_of_measurement: W
      accuracy_decimals: 0
  # Total daily energy sensor
  - platform: total_daily_energy
    name: ${friendlyname} Daily Energy Usage
    power_id: power
    filters:
      # Multiplication factor from W to kW is 0.001
      - multiply: 0.001
    unit_of_measurement: kWh

# Binary sensor for the power button
binary_sensor:
  - platform: gpio
    name: ${friendlyname} Power Button
    id: button
    pin:
      number: GPIO3
      inverted: true
    on_press:
      - switch.toggle: fakebutton

switch:
  # Switch to restart the plug
  - platform: restart
    name: ${friendlyname} Restart Switch
  # Switch to toggle the relay
  - platform: template
    name: ${friendlyname} Power Switch
    optimistic: true
    id: fakebutton
    turn_on_action:
    - switch.turn_on: relay
    - light.turn_on: led
    turn_off_action:
    - switch.turn_off: relay
    - light.turn_off: led
  - platform: gpio
    id: relay
    pin: GPIO14

output:
  # esphome state led
  - platform: esp8266_pwm
    id: state_led
    pin:
      number: ${blue_led_pin}
      inverted: true

light:
  # Power state light
  - platform: monochromatic
    output: state_led
    id: led

# Uses the red LED as a status indicator
status_led:
  pin:
    number: ${red_led_pin}
    inverted: true