You could not find documentation because it did’t exist. 
I have set up a new repo for my custom components with appropriate documentation in case somebody wants to contribute and maybe later can be merged into HA.
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@andrey So I pushed it into the main repo, but it was refused. We should use sensor.template was answered.
Never mind I still think it is useful and will continue using it as it’s easier and looks cleaner in config.
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I made a PR to @pilotak repo recently which gets the friendly name of the original entity, if you don’t specify any friendly_name in the attributes config.
merged yesterday…
Creating a template for each battery is a ballache.
Creating a value template for icon is even more… especially with sensors with batteries. I have 20-30 batteries to track.
Thanks for this I will give it a try…
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@pilotak maybe make a small note that it has to go into custom_components/sensor/ i bumped my head into this thing, since it was my first component and the first topic it was also in custom_components/ directly. Could not find install instruction of the .py itself in your repo so not sure if you wanted it there.
Is this script suppose to get battery from device_trackers to?
I have this:
- platform: attributes
friendly_name: "Batteries"
attribute: battery
unit_of_measurement: "%"
entities:
- device_tracker.matte_api
- device_tracker.asa_api
- device_tracker.cod_api
The device_tracker have this attributes:
{
"friendly_name": "Asa_Api",
"latitude": xx.xxxxxx,
"battery": "41",
"source_type": "gps",
"longitude": xx.xxxxxx,
"gps_accuracy": 0.2,
"entity_picture": "/local/tasker.png"
}
But my sensor.asa_api_battery gets this:
State: unknown
Attribute:
{
"unit_of_measurement": "%",
"friendly_name": "Batteries"
}@pilotak: A nice adition to this is Howto create battery alert without creating a template for every device although the nice side of that template is that it automaticly picks up all the battery powered devices. I don’t know if that is possible in your script too? That would save creating a list of devices for the attribute. Just a thought, might help others too, alerting if low is nice to have.
P.s. using templates to create what you made imho i don’t see how that would be done anyways.
I had a quick look at the automations, what a clever way to do! anyway i’m working on different custom component at the moment so i don’t have much time to alter attribute sensor. But it is set in Github so anyone willing to contribute is welcome.
How do i exclude an entity?
Hi Awesome component been using for a while, I have added about 40 battery powered sensors since so was glad to see you have modified the original code to add a whitelist.
I updated the code and added to my config.yaml but I get this error…
Invalid config for [battery_state]: required key not provided @ data['platform']. Got None. (See ?, line ?). Please check the docs at https://home-assistant.io/components/battery_state/
snippet of config
battery_state:
include:
- sensor.door_window_sensor_158d0001a6469f_battery
- sensor.door_window_sensor_158d0001b704f9_battery
- sensor.door_window_sensor_158d0001b70953_battery
- sensor.door_window_sensor_158d0001b7acc5_battery
- sensor.door_window_sensor_158d0002019ae3_battery
- sensor.door_window_sensor_158d0002019b2a_batteryHi guys… This is my code, acording to this post - I am using it to show Ikea Tradfri dimmer battery… I have the battery state but in badge, and I would like to have it in a list and remove the badge…
But I am getting the error below… Any suggestion?
Unable to find component sensor.attributes
sensor:
- platform: yr
- platform: attributes
friendly_name: “Batteries”
attribute: battery_level
unit_of_measurement: “%”
entities:
- sensor.boravak
- sensor.blagovaona
- sensor.kuhinja
- sensor.hodnik_ulaz
- sensor.kupaona