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Update MQTT binary sensor example (#14182)

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Erik Montnemery 2020-08-07 18:06:48 +02:00 committed by GitHub
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source/_integrations/binary_sensor.mqtt.markdown
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@ -160,14 +160,17 @@ value_template:
In this section, you will find some real-life examples of how to use this sensor.
### Full configuration
### Full configuration with JSON data
This is an example of a configuration where the state is extracted from a JSON formatted MQTT message.
To test, you can use the command line tool `mosquitto_pub` shipped with `mosquitto` or the `mosquitto-clients` package to send MQTT messages.
To set the state of the binary sensor manually:
```bash
mosquitto_pub -h 127.0.0.1 -t home-assistant/window/contact -m "OFF"
mosquitto_pub -h 127.0.0.1 -t home-assistant/window/availability -m "online"
mosquitto_pub -h 127.0.0.1 -t home-assistant/window/contact -m '{"state":"ON"}'
mosquitto_pub -h 127.0.0.1 -t home-assistant/window/contact -m '{"state":"OFF"}'
```
The example below shows a full configuration for a binary sensor:
@ -181,14 +184,13 @@ binary_sensor:
name: "Window Contact Sensor"
state_topic: "home-assistant/window/contact"
payload_on: "ON"
payload_off: "OFF"
availability:
- topic: "home-assistant/window/availability"
payload_available: "online"
payload_not_available: "offline"
qos: 0
device_class: opening
value_template: '{{ value.x }}'
value_template: '{{ value_json.state }}'
```
{% endraw %}