add sample config for Tuya Smart Life RGBW controller (#898)

cookbook/tuya_rgbw.rst

@@ -0,0 +1,88 @@
+Tuya RGBW LED controller
+========================
+
+The Tuya RGBW controller is inexpensive, available on ebay, and can be OTA flashed using `tuya-convert <https://github.com/ct-Open-Source/tuya-convert>`__, after which it can be OTA flashed via the ESPHome web interface (NOTE: a port must be explicitly set if using a Home Assistant add-on for this, and you need to connect directly to that port instead of using the proxied port via Home Assistant).
+
+.. figure:: images/tuya_rgbw.jpg
+    :align: center
+    :width: 80.0%
+
+The configuration below shows an example that can be compiled to a binary firmware file that works correctly for this device, and that cycles through three different brightnesses and an off state based on the number of button presses. The device can also be controlled via Home Assistant, of course, setting specific RGBW combinations and brightness levels.
+
+.. code-block:: yaml
+
+    # Example configuration entry
+    output:
+      - platform: esp8266_pwm
+        id: output_red
+        pin: GPIO14
+      - platform: esp8266_pwm
+        id: output_green
+        pin: GPIO5
+      - platform: esp8266_pwm
+        id: output_blue
+        pin: GPIO12
+      - platform: esp8266_pwm
+        id: output_white
+        pin: GPIO15
+
+    globals:
+      - id: action_state
+        type: int
+        restore_value: no
+        initial_value: '0'
+
+    binary_sensor:
+      - platform: gpio
+        pin:   GPIO13
+        name: "RGBW Controller Button"
+        filters:
+          - invert:
+          - delayed_on_off: 20ms
+        on_press:
+          then:
+            - lambda: id(action_state) = (id(action_state) + 1) % 4;
+            - if:
+                condition:
+                  lambda: 'return id(action_state) == 0;'
+                then:
+                  - light.turn_off:  rgbw_lightstrip1
+            - if:
+                condition:
+                  lambda: 'return id(action_state) == 1;'
+                then:
+                  - light.turn_on:
+                      id: rgbw_lightstrip1
+                      brightness: 60%
+            - if:
+                condition:
+                  lambda: 'return id(action_state) == 2;'
+                then:
+                  - light.turn_on:
+                      id: rgbw_lightstrip1
+                      brightness: 40%
+            - if:
+                condition:
+                  lambda: 'return id(action_state) == 3;'
+                then:
+                  - light.turn_on:
+                      id: rgbw_lightstrip1
+                      brightness: 15%
+    light:
+      - platform: rgbw
+        name: "rgbw_strip_01"
+        id: rgbw_lightstrip1
+        red: output_red
+        green: output_green
+        blue: output_blue
+        white: output_white
+
+        # Ensure the light turns on by default if the physical switch is actuated.
+        restore_mode: ALWAYS_OFF
+
+See Also
+--------
+
+- :doc:`/components/light/rgbw`
+- :doc:`/components/output/esp8266_pwm`
+- :ghedit:`Edit`

index.rst

@@ -677,6 +677,7 @@ Cookbook
     ESP32 Water Leak Detector, cookbook/leak-detector-m5stickC, leak-detector-m5stickC_main_index.jpg
     ESP32 BLE iTag Button, cookbook/ble_itag, esp32_ble_itag.jpg
     IAQ (Indoor Air Quality) Board, cookbook/iaq_board, iaq_board2.jpg
+    TUYA Smart Life RGBW Controller, cookbook/tuya_rgbw, ../cookbook/images/tuya_rgbw.jpg
     Custom UART Text Sensor, cookbook/uart_text_sensor, language-cpp.svg
     IWOOLE Table Lamp, cookbook/iwoole_rgbw_table_lamp, iwoole_rgbw_table_lamp.png
     EPEVER Tracer, cookbook/tracer-an, tracer-an.jpg