Add documentation for TESLA Smart Switch Dimmer Touch

Add documentation for TESLA Smart Switch Dimmer Touch

Author: d0tkom

src/docs/devices/TESLA-EDM-01AA-EU/index.md

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+---
+title: TESLA Smart Switch Dimmer Touch
+date-published: 2025-10-26
+type: dimmer
+standard: eu
+board: bk72xx
+project-url: https://www.teslasmart.com/tesla-smart-switch-dimmer-touch
+made-for-esphome: False
+difficulty: 2
+---
+
+![TESLA EDM-01AA-EU](tesla-dimmer.webp "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
+
+```yml
+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
+
+```