TESLA Smart Switch Dimmer Touch

Product Description

This is a wall mounted light dimmer for EU standard wall boxes. The dimmer comes with a WB3S module suitable for ESPHome and can be flashed using Tuya Cloudcutter.

Flashing

The device contains a WB3S module (BK72xx, WiFi), which can be flashed using Tuya Cloudcutter, without opening up the device, or directly using ltchiptool. Alternatively, it should also be possible to replace the module with e.g. a WT0132C6-S5 (ESP32C6) module.

Configuration example

esphome:
  name: wall-dimmer-touch
  friendly_name: Wall Dimmer Touch

bk72xx:
  board: wb3s

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:
  - platform: esphome

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Wall-Dimmer-Touch"

captive_portal:

uart:
  rx_pin: RX1
  tx_pin: TX1
  baud_rate: 115200

# Register the Tuya MCU connection
tuya:

# Main light entity
light:
  - platform: "tuya"
    id: dimmer
    name: "Wall Dimmer"
    dimmer_datapoint: 2        # Brightness
    switch_datapoint: 1        # On/Off
    min_value: 10              # adjust if min brightness is too high/low
    max_value: 1000            # DP2 scale (check by dimming in app/original fw)


# Minimum brightness (user adjustable)
number:
  - platform: "tuya"
    id: min_brightness
    name: "Min Brightness"
    number_datapoint: 3
    min_value: 0
    max_value: 1000
    step: 10
    entity_category: config

select:
  - platform: "tuya"
    id: load_type
    name: "Load Type"
    enum_datapoint: 4
    options:
      0: "LED"
      1: "Incandescent"
      2: "Halogen"
    entity_category: config

  - platform: "tuya"
    id: indicator_led
    name: "Indicator LED"
    enum_datapoint: 21
    options:
      0: "On"
      1: "Follow Load"
      2: "Off"
    entity_category: config