Updating value of input_number based off of state attribute of device

1

Hey everyone,

I hope somebody can help me understand this, I’m still new to Home Assistant recently coming over from openhab. So here’s my deal I’m using the Phillips HUE integration with Home Assistant. I created some input_numbers to help me control brightness, hue, and saturation of the individual lights. Now I’ve got it working fine for all items as far as changing the bulbs based on the number selected on the sliders, my problem is if somebody changes one of the bulbs external of home assistant I want the values of the sliders to be updated. I have no idea how to go about this, from what I can gather it has something to do with templating which I don’t understand at all. Any help with examples would be greatly appreciated.

-Chris

2

Ok I think I’ve made some headway but I’m still in need of some help.

stand_lamp_brightness:
entity_id: light.stand_lamp
value_template: “{{((state_attr(‘light.stand_lamp’ , ‘brightness’) / 255) *100) | int }}”
unit_of_measurement: ‘%’

stand_lamp_hue:
entity_id: light.stand_lamp
value_template: “{{ state_attr(‘light.stand_lamp’ , ‘hs_color’)[0] | int }}”

stand_lamp_saturation:
entity_id: light.stand_lamp
value_template: “{{ state_attr(‘light.stand_lamp’ , ‘hs_color’)[1] | int }}”

All work, however whenever I attempt to combine these items into one sensor like this

test_item:
entity_id: light.laundry_lamp
value_template: on
attribute_templates:
brightness: “{{ state_attr(‘light.laundry_light’ , ‘brightness’) }}”
unit_of_measurement: ‘%’
hue: “{{ state_attr(‘light.laundry_light’ , ‘hs_color’)[0] }}”
saturation: “{{ state_attr(‘light.laundry_light’ , ‘hs_color’)[1] }}”

doesn’t work. the error I keep getting is:

Invalid config for [sensor.template]: [brightness] is an invalid option for [sensor.template]. Check: sensor.template->sensors->attribute_templates->brightness. (See ?, line ?).

any help would be appreciated.

3

Hey Chris, this could be an indentation issue, please use code blocks (``` before and after your code) instead of Blockquotes (>), so we can take a look at the actual code.

4

Fedot,

Thanks, it was actually a PEBCAC error. I was using a reference to an entity that didn’t exist. I miskeyed it.