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Add a way to retrieve battery level via HTTP (#10437)

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* Add a way to retrieve battery level via HTTP

The MQTT way of receiving data only seems to work if you have configured a MQTT backend. 
Added a template sensor to get the battery level with a HTTP Owntracks backend.
This way is tested on my Hometracks system.

* Apply direct suggestions from code review

Added the easy changes where @frenck gets attributed

Co-Authored-By: Franck Nijhof <frenck@frenck.nl>

* Applied suggestion to value_template 

Changed the way the value_template gets the battery_level as suggested by @frenck . 
Tested on my system to make sure it works.

Co-Authored-By: Franck Nijhof <frenck@frenck.nl>
This commit is contained in:
Simon 2019-09-25 21:31:56 +02:00 committed by Franck Nijhof
parent 9569b2968e
commit e881649c1a
1 changed files with 21 additions and 1 deletions
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22
source/_cookbook/track_battery_level.markdown
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@ -27,8 +27,12 @@ sensor:
{% endraw %}
### Android and iOS Devices
While running the [Owntracks](/components/device_tracker.owntracks/) device tracker you can retrieve the battery level.
How you achieve this depends on how you have configured your Owntracks instance.
While running the [Owntracks](/components/device_tracker.owntracks/) device tracker you can retrieve the battery level with a MQTT sensor. Replace username with your MQTT username (for the embedded MQTT it's simply homeassistant), and deviceid with the set Device ID in Owntracks.
#### MQTT
If you have configured Owntracks to send reports via MQTT you can use the received data via a MQTT sensor.
Replace username with your MQTT username (for the embedded MQTT it's simply homeassistant), and deviceid with the set Device ID in Owntracks.
{% raw %}
```yaml
@ -41,3 +45,19 @@ sensor:
device_class: battery
```
{% endraw %}
#### HTTP
If you have configured Owntracks to send reports to your Home Assistant instance via HTTP you can use a template sensor.
Replace `deviceid` with the set Device ID in Owntracks.
{% raw %}
```yaml
sensor:
- platform: template
sensors:
your_battery_sensor_name:
value_template: "{{ state_attr('device_tracker.deviceid', 'battery_level') }}"
unit_of_measurement: '%'
```
{% endraw %}