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Experience with Avatto WT200 Thermostat (50x50 mm) for European Standard Series?

io2345 1224 9
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  • #1 21102982
    io2345
    Level 7  

    Does anyone yet have experience with Avatto WT200? A small thermostat that fits European standard electric appliance series (50x50 mm front size). Tuya smart life WiFi.
    Avatto WT200 thermostat with display and touch interface.

    The App says that you can switch logic from "normal closed" to "normal open", which would make it suitable for both heating and cooling usage on the same underfloor heating circuit. If cooling is activated, it should switch logic (has to be done in home automation software, of course). Smartphone settings screen for an app allowing switching logic between normally closed and normally open.

    I ordered two of them from Avatto official store, said to be here within a week. Let's see. Will post pictures from inside, if not yet available on this page.
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  • #2 21103586
    p.kaczmarek2
    Moderator Smart Home  
    It will be almost certainly TuyaMCU. We can support it fairly easily.

    I can order one as well. Let's see which one will arrive first and try to get that working with OBK. Hopefully it will be Beken.
    Helpful post? Buy me a coffee.
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  • #3 21109220
    io2345
    Level 7  

    >>21103586 Obviously there is already support for the device (with original firmware) in Home Assistant:
    https://github.com/make-all/tuya-local/issues/1166
    Contains also information about DPS mappings.
    Especially this data point is of interest for me: 常闭型_常开型","105"
    It changes the valve type from "Normal open" to "Normal closed"
  • #4 21109285
    p.kaczmarek2
    Moderator Smart Home  
    That's nice:
    Quote:

    Data points finding script result (from "Find Tuya Data Points" article):
    Code: JSON
    Log in, to see the code


    Added after 44 [seconds]:

    btw you copied datapoint incorrectly, you confused key-value order.
    Did you device arrive already?
    Helpful post? Buy me a coffee.
  • #5 21109391
    io2345
    Level 7  
    >>21109285You're right, has to be 101.

    No, devices are still on their way. Custom clearance. Maybe until Saturday they will arrive.
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  • #6 21109432
    p.kaczmarek2
    Moderator Smart Home  
    Hopefully something supported by OBK will be inside. Still, it would be also good to get one based on ESP.
    Helpful post? Buy me a coffee.
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  • #7 21109464
    insmod
    Level 23  

    It's possible, that your device will arrive with WBR3, which is RTL8720CF and no support in OBK yet. You will have to flash libretiny. I can share my esphome WT100+ESP12F config, it should be similar enough for you to adjust.
  • #8 21109605
    io2345
    Level 7  

    >>21109464
    Libretiny, never heard of that before. They seem to even support Beken-chips as well, right? Fork of ESPhome.

    Very probable that it is WBR3, the WT100 seems to have the same functions as WT200, just different housing. But, you never know with these Chinese guys ;-)
    So, let's just wait and see.
  • #9 21111629
    io2345
    Level 7  
    >>21109432 Arrived some minutes ago, and is indeed WBR3 (as suggested by @insmod). Probably not supported here, right?
    WBR3 electronic module mounted in a metal frame.
  • #10 21111833
    insmod
    Level 23  
    Code: text Expand Select all Copy to clipboard
    
esphome:
  name: wt-100
  friendly_name: WT-100

esp8266:
  board: esp12e

logger:
  baud_rate: 0

uart:
  rx_pin: GPIO3
  tx_pin: GPIO1
  baud_rate: 9600

api:
  encryption:
    key: --

ota:
  password: --

wifi:
  networks:
    - ssid: !secret wifi_ssid
      password: !secret wifi_password
    - ssid: !secret wifi_ssid_second
      password: !secret wifi_password

  domain: .lan # OpenWrt
  
  ap:
    ssid: "Wt-100 Fallback Hotspot"
    password: !secret fallback_pwd

time:
  - platform: homeassistant
    id: homeassistant_time
    timezone: UTC

tuya:
  id: tuyamcu
  time_id: homeassistant_time

climate:
  - platform: tuya
    name: "Washroom floor"
    active_state:
      datapoint: 5
      heating_value: 1
    switch_datapoint: 1
    target_temperature_datapoint: 2
    target_temperature_multiplier: 0.1
    current_temperature_datapoint: 3
    current_temperature_multiplier: 0.1
    visual:
      temperature_step:
        target_temperature: 0.5
        current_temperature: 0.1
      min_temperature: 5 °C
      max_temperature: 60 °C

switch:
  - platform: restart
    name: Restart
  - platform: "tuya"
    name: "Child lock"
    switch_datapoint: 9
  - platform: "tuya"
    name: "Anti-freeze"
    switch_datapoint: 103
  - platform: "tuya"
    name: "Sound"
    switch_datapoint: 109

select:
  - platform: "tuya"
    tuya_id: tuyamcu
    name: "Sensor selection"
    enum_datapoint: 110
    options:
      0: Internal
      1: Floor
      2: Both
  - platform: "tuya"
    tuya_id: tuyamcu
    name: "Backlight"
    enum_datapoint: 106
    options:
      0: "Off"
      1: Micro-light
      2: Medium brightness
      3: Backlight highlight

number:
  - platform: "tuya"
    name: "Temperature compensation"
    number_datapoint: 19
    min_value: -9.9
    max_value: 9.9
    step: 0.1
    multiply: 10
  - platform: "tuya"
    name: "Switching differential"
    number_datapoint: 101
    min_value: 0.5
    max_value: 10
    step: 0.5
    multiply: 10

captive_portal:
    
web_server:
  local: true
  port: 80

    My config for WT100, change it to use wbr3 and adapt tuyamcu gpio pins + WT200 datapoints
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Topic summary

The discussion revolves around the Avatto WT200 thermostat, a compact device designed for European standard electric appliance series (50x50 mm) and compatible with Tuya Smart Life WiFi. Users are exploring its functionality, particularly the ability to switch between "normal closed" and "normal open" logic, making it suitable for both heating and cooling applications. Initial responses indicate that the device likely utilizes TuyaMCU technology, with existing support in Home Assistant. Some users express interest in the internal components, with concerns about potential compatibility issues, particularly regarding the WBR3 chip, which may require custom firmware like Libretiny for full functionality. The first user has received their device, confirming it is indeed the WBR3 model.
Summary generated by the language model.
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