TOPGREENER Smart Mini Wi-Fi Plug with Energy Monitoring, TGWF115PQM (C2BS BK7231N)

substitutions:
  current_res: "0.00106"
  voltage_div: "762"

# Based roughly on:
# - https://github.com/cbpowell/ESPSense/blob/master/configs/espsense-TopGreener_TGWF115PQM.yml
# - https://github.com/tuya-cloudcutter/tuya-cloudcutter.github.io/blob/master/devices/topgreener-tgwf115pqm-energy-monitoring-plug.json
# - https://www.elektroda.com/rtvforum/viewtopic.php?p=20401325#20401325

substitutions:
  device_brand: topgreener
  device_model: tgwf115pqm
  device_mac_suffix: a1b2c3   # Replace this with the last 6 digits of the device's mac address
  # device_friendly_name: "${device_model}-${device_mac_suffix}"
  device_friendly_name: "Reading Lamp"
  entity_name_prefix: ""
  # Plug state to set upon powerup (or after power loss)
  # See options here: https://esphome.io/components/switch/index.html?highlight=restore_mode
  restore_mode: ALWAYS_ON
  
  # Base calibration to a 100W incandescent lightbulb and a multimeter
  # Detail calibration can be done with calibrate_linear sensor filters below
  current_res: "0.00106"
  voltage_div: "762"

esphome:
  name: "${device_brand}-${device_model}-${device_mac_suffix}"
  friendly_name: "${device_friendly_name}"

libretiny:
  board: cb2s
  framework:
    version: dev

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  ap:
    ssid: "${device_brand}-${device_model}-${device_mac_suffix}"
    password: !secret wifi_fallback_password

captive_portal:
web_server:
logger:
  baud_rate: 0
api:
ota:

time:
  - platform: homeassistant
    id: homeassistant_time

light:
  - platform: status_led
    internal: true
    id: "led"
    pin:
      number: PIN_P8
      inverted: True
    restore_mode: ${restore_mode}

sensor:
  - platform: uptime
    name: ${entity_name_prefix}Uptime Sensor
  - platform: hlw8012
    model: BL0937
    sel_pin:
      number: PIN_P24
      inverted: true
    cf_pin:
      number: PIN_P7
      inverted: true
    cf1_pin:
      number: PIN_P6
      inverted: true
    current_resistor: ${current_res}
    voltage_divider: ${voltage_div}
    energy:
      name: "${entity_name_prefix}Energy"
      unit_of_measurement: Wh
    current:
      name: "${entity_name_prefix}Amperage"
      unit_of_measurement: A
      filters:
        # - calibrate_linear:
        #   # Map X (from sensor) to Y (true value)
        #   # At least 2 data points required
        #   - 0.0 -> 0.0
        #   - 1.0 -> 1.0 #load was on
    voltage:
      name: "${entity_name_prefix}Voltage"
      unit_of_measurement: V
      filters:
        # - calibrate_linear:
        #   # Map X (from sensor) to Y (true value)
        #   # At least 2 data points required
        #   - 0.0 -> 0.0
        #   - 1.0 -> 1.0 #load was on
    power:
      id: "wattage"
      name: "${entity_name_prefix}Wattage"
      unit_of_measurement: W
      filters:
        # Moving average filter to try and reduce a periodic drop of ~1-2W
        # Unsure of cause, may be a better solution!
        - sliding_window_moving_average:
            window_size: 2
            send_every: 1
        # - calibrate_linear:
        #   # Map X (from sensor) to Y (true value)
        #   # At least 2 data points required
        #   - 0.0 -> 0.0
        #   - 1.0 -> 1.0 #load was on
    change_mode_every: 8
    update_interval: 3s
  - platform: total_daily_energy
    name: "${entity_name_prefix}Total Daily Energy"
    power_id: "wattage"
    filters:
        - multiply: 0.001
    unit_of_measurement: kWh

binary_sensor:
  - platform: gpio
    internal: true
    pin:
      number: PIN_P10
      inverted: True
    name: "${entity_name_prefix}Button"
    on_press:
      then:
        - switch.toggle: "relay"

switch:
  - platform: gpio
    pin:
      number: PIN_P26
      inverted: False
    name: "${entity_name_prefix}Switch"
    id: relay
    restore_mode: ${restore_mode}
    on_turn_on:
      - light.turn_on: led
    on_turn_off:
      - light.turn_off: led

https://github.com/BenJamesAndo/OpenBeken_uf2_firmware 

https://www.elektroda.com/rtvforum/topic3958492.html

python -m ltchiptool uf2 write -b cb2s -o openbkt.uf2 OpenBK7231N_1.17.135.rbl=device:download