Update pca9685.rst

components/output/pca9685.rst

@@ -82,6 +82,27 @@ Configuration variables:
   Use this if you have multiple PCA9685s you want to use at the same time.
 - All other options from :ref:`Output <config-output>`.
 
+
+Note
+----
+
+This output can be used for different functions. E.g. output for light, ventiator etc.
+
+.. code-block:: yaml
+
+    pca9685:
+      frequency: 500
+
+    output:
+      - platform: pca9685
+        channel: 0
+        id: pwm01
+        
+    light:
+      - platform: monochromatic 
+        name: 'main light' 
+        output: pwm01
+
 See Also
 --------