UMAX U-Smart Wifi Plug Duo

esp8266 eu Comes with ESPHome plug

Overview

Tuya inside. pinouts for measurement and rations for dividers uncertain :( Leds for active sockets are not controlled separatelly, only through the switch.

GPIO Pinout

Pin	Function
GPIO0	Button2i
GPIO4	HLWBL CF ???
GPIO5	HLWBL CF1 ???
GPIO12	HLWBL SELi ???
GPIO13	Status LEDi
GPIO14	Relay1
GPIO15	Relay2
GPIO16	Button1i

Basic Configuration

esphome:
  name: umax
  platform: ESP8266
  board: esp8285
wifi:
  ssid: "ssid"
  password: "password"
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Umax Fallback Hotspot"
    password: ""
captive_portal:
# Enable logging
logger:
  level: INFO
# Enable Home Assistant API
api:
ota:
time:
  - platform: homeassistant
    id: homeassistant_time
substitutions:
  plug_name: umax
  # Higher value gives lower watt readout, pure guessing here
  #current_res: "0.00520"
  current_res: "0.05"
  # Lower value gives lower voltage readout, pure guessing here
  #voltage_div: "750"
  voltage_div: "720"
# Enable Web server
web_server:
  port: 80
sensor:
  - platform: wifi_signal
    name: "${plug_name} - WiFi Signal"
    update_interval: 60s
  - platform: uptime
    name: "${plug_name} - Uptime"
    icon: mdi:clock-outline
    update_interval: 60s
  - platform: hlw8012
    sel_pin:
      number: GPIO12
      inverted: True
    cf_pin: GPIO04
    cf1_pin: GPIO05
    current_resistor: ${current_res}
    voltage_divider: ${voltage_div}
    current:
      name: "${plug_name} - Ampere"
      unit_of_measurement: A
      accuracy_decimals: 3
      icon: mdi:flash-outline
    voltage:
      name: "${plug_name} - Volt"
      unit_of_measurement: V
      accuracy_decimals: 1
      icon: mdi:flash-outline
    power:
      name: "${plug_name} - Watt"
      unit_of_measurement: W
      id: "${plug_name}_Wattage"
      icon: mdi:flash-outline
    change_mode_every: 4
    update_interval: 3s
  - platform: total_daily_energy
    name: "${plug_name} - daily"
    power_id: "${plug_name}_Wattage"
    filters:
        # Multiplication factor from W to kW is 0.001
        - multiply: 0.001
    unit_of_measurement: kWh
    icon: mdi:clock-alert
text_sensor:
  - platform: version
    name: "${plug_name} - ESPHome Version"
status_led:
  pin:
    number: GPIO13
    inverted: True
binary_sensor:
  - platform: gpio
    id: button1
    internal: true
    pin:
      number: GPIO16
      mode: INPUT_PULLUP
      inverted: true
    #on_state:
    on_press:
      - switch.toggle: relay1
  - platform: gpio
    id: button2
    internal: true
    pin:
      number: GPIO00
      mode: INPUT_PULLUP
      inverted: true
    #on_state:
    on_press:
      - switch.toggle: relay2
#output:
#  - platform: gpio
#    pin: GPIO01
#    inverted: true
#    id: led1
#  - platform: gpio
#    pin: GPIO02
#    inverted: true
#    id: led2
switch:
  - platform: gpio
    pin: GPIO14
    id: relay1
    restore_mode: RESTORE_DEFAULT_OFF
    name: '${plug_name} - Switch1'
    icon: mdi:power-socket-eu
#    on_turn_on:
#      - output.turn_on: led1
#    on_turn_off:
#      - output.turn_off: led1
  - platform: gpio
    pin: GPIO15
    id: relay2
    restore_mode: RESTORE_DEFAULT_OFF
    name: '${plug_name} - Switch2'
    icon: mdi:power-socket-eu
#    on_turn_on:
#      - output.turn_on: led2
#    on_turn_off:
#      - output.turn_off: led2