Update with range (#4242)

source/_components/binary_sensor.threshold.markdown

@@ -14,15 +14,17 @@ ha_release: 0.34
 ---
 
 
-The `threshold` binary sensor platform observes the state of another sensor. If the value is below (`lower`) or higher (`upper`) than the given threshold then state of the threshold sensor is changed.
+The `threshold` binary sensor platform observes the state of another sensor. If the value is below (`lower`) or higher (`upper`) than the given threshold then state of the threshold sensor is changed. It support also a range if `lower` and `upper` are given.
 
 If the sensor is configured with no hysteresis and the sensor value is equal to the threshold, the sensor is turned off since it is not `lower` or `upper` with respect to the threshold.
 
 It's an alternative to the template binary sensor's `value_template:` to get the abnormal/too high/too low states.
 
+{% raw %}
 ```yaml
-{% raw %}{{ states.sensor.furnace.state > 2.5 }}{% endraw %}
+{{ states.sensor.furnace.state > 2.5 }}
 ```
+{% endraw %}
 
 To enable the threshold sensor, add the following lines to your `configuration.yaml`:
 
@@ -30,15 +32,32 @@ To enable the threshold sensor, add the following lines to your `configuration.y
 # Example configuration.yaml entry
 binary_sensor:
   - platform: threshold
-    threshold: 15
-    type: lower
     entity_id: sensor.random
+    lower: 20
 ```
 
-Configuration variables:
+{% configuration %}
+entity_id:
+  description: "The entity to monitor. Only [sensors](/components/sensor/) are supported."
+  required: true
+  type: entity_id
+lower:
+  description: The lower threshold which the observed value is compared against.
+  required: false
+  type: float
+upper:
+  description: The upper threshold which the observed value is compared against.
+  required: false
+  type: float
+hysteresis:
+  description: The distance the observed value must be from the threshold before the state is changed.
+  required: false
+  type: float
+  default: 0.0
+name:
+  description:  Name of the sensor to use in the frontend.
+  required: false
+  type: string
+  default: 
+{% endconfiguration %}
 
-- **entity_id** (*Required*): The entity to monitor. Only [sensors](/components/sensor/) are supported.
-- **threshold** (*Required*): The threshold which the observed value is compared against.
-- **type** (*Required*): `lower` if the value needs to be below the threshold or `upper` if higher.
-- **hysteresis** (*Optional*): The distance the observed value must be from the threshold before the state is changed. Defaults to `0.0`
-- **name** (*Optional*): Name of the sensor to use in the frontend. Defaults to `Stats`.