ESPHome configuration for Nedis WIFIPO120FWT

WIFIPO120FWT.yaml

esphome:
  name: nedis-esp-003

substitutions:
  device_name: nedis_esp_003
  friendly_name: Nedis ESP 003

# Nedis WIFIPO120FWT with bk7231N chip has markings "10T40 and µ" on it's label
# Nedis WIFIPO120FWT with bk7231T chip has no those markings on it's label (BL0937 pins CF=P7, CF1=P8 and sel=P24, Light=P6 other pins the same)
# Use Cloud Cutter profile: tuya-generic-fs-02we-1ch-16a-smart-switch-with-energy-monitoring
# Generate correct API-key after copy-paste
# Create HA input Helper (example 0-7200 seconds) with device friendly_name for pulsetime Function
# DISCLAIMER: The Rear Lights Warranty is on. Use at your own risk!
bk72xx:
  board: generic-bk7231n-qfn32-tuya

logger:

web_server:

captive_portal:

ota:
  password: !secret ota_password
  
mdns:

api:
  encryption:
    key: "Generate API-key: https://esphome.io/components/api.html?highlight=randomly%20generated" 

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  ap:
    ssid: "${friendly_name} Fallback Hotspot"
    password: !secret ap_password

text_sensor:
  - platform: libretiny
    version:
      name: ${device_name} LibreTiny Version

binary_sensor:
  - platform: gpio
    id: ${device_name}_binary_switch_1
    pin:
      number: P10
      inverted: true
      mode: INPUT_PULLUP
    on_press:
      then:
        - switch.toggle: ${device_name}_switch_1

switch:
  - platform: gpio
    id: ${device_name}_switch_1
    name: ${friendly_name} Relay 1
    pin: P26
    on_turn_on:
      - light.turn_on: ${device_name}_light_status
      - script.execute: pulsetime # Initialize pulsetime script
    on_turn_off:
      - light.turn_off: ${device_name}_light_status
      - script.stop: pulsetime # Initialize pulsetime script
light:
  - platform: status_led
    id: ${device_name}_light_status
    pin:
      number: P8
      inverted: true
      
sensor:
  - platform: hlw8012
    model: BL0937
    cf_pin:
      number: P7
      inverted: true
    cf1_pin:
      number: P6
      inverted: true
    sel_pin:
      number: P24
      inverted: true
    current:
      name: ${friendly_name} Current
      id: ${device_name}_current
    voltage:
      name: ${friendly_name} Voltage
      id: ${device_name}_voltage
      filters:
      # Map from sensor -> measured value Check values for your own plug!
        - calibrate_linear:
          - 0.0 -> 0.0
          - 604.8 -> 236
    power:
      name: ${friendly_name} Power
      id: ${device_name}_power
      filters:
      # Map from sensor -> measured value Check values for your own plug!
        - calibrate_linear:
          - 0.0 -> 0.0
          - 720.7 -> 266.8
    energy:
      name: ${friendly_name} Energy
      id: ${device_name}_energy
    voltage_divider: 1881 # 4 * 470K resistors upstream and 1k resistor downstream for voltage divider (4 x 470 000 + 1000) / 1000
    current_resistor: 0.001 ohm
    update_interval: 60s      

  # Example configuration entry with 2 sensors and filter

  - platform: wifi_signal # Reports the WiFi signal strength/RSSI in dB
    name: "${friendly_name} WiFi Signal dB"
    id: ${device_name}_wifi_signal_db
    update_interval: 60s
    entity_category: "diagnostic"

  - platform: copy # Reports the WiFi signal strength in %
    source_id: ${device_name}_wifi_signal_db
    name: "${friendly_name} WiFi Signal Percent"
    filters:
      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "%"
    entity_category: "diagnostic"

# Input helper as sensor for pulsetime script
  - platform: homeassistant
    name: "${friendly_name} Pulsetime"
    id: ${device_name}_pulsetime
    entity_id: input_number.${device_name}_pulsetime #The entity of input_number in HA    

# Tasmota like pulsetime script
script:
  - id: pulsetime
    then:
      - if:
          condition:
            lambda: 'return id(${device_name}_pulsetime).state > 0;' # Disable pulsetime if Helper is set to 0
          then:
            - delay: !lambda |-
                return id(${device_name}_pulsetime).state * 1000; 
            - switch.turn_off: ${device_name}_switch_1

Thank you..
I got everything working now. I managed to calibrate the HLW8012 Power Sensor as well, but I used guide on the ESPHome site for that.
Its a bit different from how you did it in your code here, I am not sure if its any right or wrong.

I used another powerplug and a 1000w heater when adjusting it, and they seem to show pretty much the same values now.

Here is my entire code now, could you see if I messed up something.

esphome:
  name: nedis-120fwt
  friendly_name: Nedis-Smartplug-120fwt

substitutions:
  device_name: nedis_120fwt
  voltage_divider: "4252.79"  # Default value: "3451"   | HLW8012 Power Sensor
  current_resistor: "0.00043" # Default value: "0.001"  | Check guide at: https://esphome.io/components/sensor/hlw8012.html#hlw8012-power-sensor
  current_multiply: "0.470"   # Default value: "1"      | to make Power Sensor show correct values

esp8266:
  board: esp01_1m
  framework:
    version: latest
    
# Enable logging
logger:

# Enable web-interface
web_server:

# Enable Home Assistant API
api:

ota:

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Nedis-120Fwt Hotspot"

captive_portal:

text_sensor:
  - platform: version
    name: "ESPHome Version"

binary_sensor:
  - platform: gpio
    id: ${device_name}_binary_switch_1
    pin:
      number: GPIO00
      inverted: true
      mode: INPUT_PULLUP
    on_press:
      then:
        - switch.toggle: ${device_name}_switch_1

switch:
  - platform: gpio
    id: ${device_name}_switch_1
    name: Switch
    pin: GPIO14
    on_turn_on:
      - light.turn_on: ${device_name}_light_status
      - script.execute: pulsetime # Initialize pulsetime script
    on_turn_off:
      - light.turn_off: ${device_name}_light_status
      - script.stop: pulsetime # Initialize pulsetime script

light:
  - platform: status_led
    id: ${device_name}_light_status
    pin:
      number: GPIO13
      inverted: true

sensor:
  - platform: hlw8012
    model: BL0937
    cf_pin:
      number: GPIO04
      inverted: true
    cf1_pin:
      number: GPIO05
      inverted: true
    sel_pin:
      number: GPIO12
      inverted: true
    current:
      name: Current
      id: ${device_name}_current
      filters:
        - multiply: ${current_multiply}
    voltage:
      name: Voltage
      id: ${device_name}_voltage
    power:
      name: Power
      id: ${device_name}_power
    energy:
      name: Energy
      id: ${device_name}_energy
    voltage_divider: ${voltage_divider}
    current_resistor: ${current_resistor}
    update_interval: 60s

  - platform: wifi_signal # Reports the WiFi signal strength/RSSI in dB
    name: WiFi Signal dB
    id: ${device_name}_wifi_signal_db
    update_interval: 240s
    entity_category: "diagnostic"

# Input helper as sensor for pulsetime script
  - platform: homeassistant
    name: "${friendly_name} Pulsetime"
    id: ${device_name}_pulsetime
    entity_id: input_number.${device_name}_pulsetime #The entity of input_number in HA   

script:
  - id: pulsetime
    then:
      - if:
          condition:
            lambda: 'return id(${device_name}_pulsetime).state > 0;' # Disable pulsetime if Helper is set to 0
          then:
            - delay: !lambda |-
                return id(${device_name}_pulsetime).state * 1000; 
            - switch.turn_off: ${device_name}_switch_1

Another thing.. I have no idea what this does:

# Input helper as sensor for pulsetime script
  - platform: homeassistant
    name: "${friendly_name} Pulsetime"
    id: ${device_name}_pulsetime
    entity_id: input_number.${device_name}_pulsetime #The entity of input_number in HA   

script:
  - id: pulsetime
    then:
      - if:
          condition:
            lambda: 'return id(${device_name}_pulsetime).state > 0;' # Disable pulsetime if Helper is set to 0
          then:
            - delay: !lambda |-
                return id(${device_name}_pulsetime).state * 1000; 
            - switch.turn_off: ${device_name}_switch_1

I dont see anything in Home Assistant from it either.