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Fix binary_sensor.template example #2877

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Jun 23, 2017
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Fix binary_sensor.template example #2877

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60 changes: 50 additions & 10 deletions source/_components/binary_sensor.template.markdown
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Original file line number Diff line number Diff line change
Expand Up @@ -56,36 +56,40 @@ sensor:
Some movement sensors and door/window sensors will appear as a switch. By using a template binary sensor, the switch can be displayed as a binary sensors. The original switch can then be hidden by [customizing.](/getting-started/customizing-devices/)

```yaml
binary_sensor:
- platform: template
binary_sensor:
- platform: template
sensors:
movement:
value_template: {% raw %}"{{ states.switch.movement.state == 'on' }}"{% endraw %}
device_class: motion
door:
value_template: {% raw %}"{{ states.switch.door.state == 'on' }}"{% endraw %}
value_template: {% raw %}"{{ states.switch.door.state == 'on' }}"{% endraw %}
device_class: opening
```


### {% linkable_title Combining multiple sensors, and using entity_id: %}

This example combines multiple CO sensors into a single overall status. It also shows how to use `entity_id`
This example combines multiple CO sensors into a single overall
status. When using templates with binary sensors, you need to return
`True` or `False` explicitly. `entity_id` is used to limit which
sensors are being monitored to update the state, making computing this
sensor far more efficient.

```yaml
binary_sensor:
- platform: template
binary_sensor:
- platform: template
sensors:
co:
friendly_name: 'CO'
device_class: 'gas'
value_template: {% raw %}>-
{%- if is_state("sensor.bedroom_co_status", "Ok")
{%- if is_state("sensor.bedroom_co_status", "Ok")
and is_state("sensor.kitchen_co_status", "Ok")
and is_state("sensor.wardrobe_co_status", "Ok") -%}
Off
False
{%- else -%}
On
True
{%- endif %}{% endraw %}
entity_id:
- sensor.bedroom_co_status
Expand All @@ -104,5 +108,41 @@ sensor:
friendly_name: 'Day/Night'
value_template: {% raw %}'{% if is_state("sun.sun", "above_horizon") %}Day{% else %}Night{% endif %}'{% endraw %}
icon_template: {% raw %}'{% if is_state("sun.sun", "above_horizon") %}mdi:weather-sunny{% else %}mdi:weather-night{% endif %}'{% endraw %}

```

### {% linkable_title Is anyone home? %}

This example is determining if anyone is home based on the combination
of device tracking and motion sensors. It's extremely useful if you
have kids / baby sitter / grand parrents who might still be in your
house that aren't represented by a trackable device in home
assistant. This is providing a composite of wifi based device tracking
and z-wave multisensor presence sensors.

```yaml
binary_sensor:
- platform: template
sensors:
people_home:
value_template: >-
{%- if is_state("device_tracker.sean", "home")
or is_state("device_tracker.susan", "home")
or is_state("binary_sensor.office_124", "on")
or is_state("binary_sensor.hallway_134", "on")
or is_state("binary_sensor.living_room_139", "on")
or is_state("binary_sensor.porch_ms6_1_129", "on")
or is_state("binary_sensor.family_room_144", "on")
-%}
True
{%- else -%}
False
{%- endif %}
entity_id:
- device_tracker.sean
- device_tracker.susan
- binary_sensor.office_124
- binary_sensor.hallway_134
- binary_sensor.living_room_139
- binary_sensor.porch_ms6_1_129
- binary_sensor.family_room_144
```