Works with Family Line AC unit , tested

[efigazarov]

Works with Family Line AC unit , tested and integrated successfully to esphome
Model: PREMIUM 12 + WIFI
Manufacturer: Nigbo Aux
Internal Model code: AWS-H09B7A4/LMR1-C5
Replaced the internal WT1HB12 unit.
@GrKoR Thank you very much for your work

My config:

esphome:
  name: workroom-ac
  friendly_name: Workroom Air Conditioner
  name_add_mac_suffix: false

esp8266:
  board: esp01_1m

external_components:
  - source: github://GrKoR/esphome_aux_ac_component
    components: [ aux_ac ]

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  ap:
    ssid: "workroom-AC-Fallback"

api:
  encryption:
    key: "FHv8Xdblablabblablablablablab"

ota:
  - platform: esphome
    password: "blablablabla"

logger:
  baud_rate: 0
  level: INFO

uart:
  id: ac_uart
  tx_pin: GPIO1
  rx_pin: GPIO3
  baud_rate: 4800
  data_bits: 8
  parity: EVEN
  stop_bits: 1

climate:
  - platform: aux_ac
    id: ac_unit
    name: "Workroom AC"
    uart_id: ac_uart
    period: 5s
    optimistic: true
    show_action: true

    visual:
      min_temperature: 16
      max_temperature: 31
      temperature_step: 0.5

    supported_modes:
      - COOL
      - HEAT
      - DRY
      - FAN_ONLY

   
    custom_fan_modes:
      - MUTE
      - TURBO

   
    supported_swing_modes:
      - VERTICAL
 

[GrKoR]

Cool! Thank you for feedback.
If it's possible please share your AC's model code (you can find it on the label on side of indoor or outdoor unit).