Hey everyone! I’m diving into the world of smart lighting and have been experimenting with the MQTT Light integration in Home Assistant. It’s been a fascinating journey, and I wanted to share my experiences and ask for some guidance.
My Setup:
I’ve got a few RGBW lights connected to my Z-Wave network via zwave2mqtt. These lights show up in Home Assistant as MQTT devices, which is awesome because it opens up a lot of customization possibilities. The RGBW controller on the Z-Wave side sends values in the format #RRGGBBWW, which includes both the color and the white channel. However, I’ve noticed that the white channel isn’t being handled as I’d expect.
The Challenge:
In Home Assistant, when I define an MQTT light, I can specify an rgb_command_template to control the RGB values. But I’m struggling to find a way to include the white value in this command. The MQTT Light integration does have a white channel option, but it doesn’t seem to integrate seamlessly with the rgb_command_template. I’m wondering if there’s a way to modify the template to include the white value or if I need to approach this differently.
Current Configuration:
Here’s what my current configuration looks like:
yaml
rgb_command_template: “{{ “#%02x%02x%02x” | format(red, green, blue)}}”
rgb_command_topic: “homeassistant/77/51/1/0/set”
rgb_state_topic: “homeassistant/77/51/1/0”
rgb_value_template: “{{ value_json.value[1:3] | int(0, 16) }},{{ value_json.value[3:5] | int(0, 16) }},{{ value_json.value[5:7] | int(0, 16) }}”
This works for the RGB values, but I’m missing out on the white channel functionality.
Questions:
- Is there a way to modify the
rgb_command_templateto include the white value? - If not, what’s the best approach to handle the white channel separately while still maintaining the RGB functionality?
- Are there any alternative configurations or integrations that might better support RGBW devices?
Looking for Solutions:
I’ve done some research and found a few community discussions about similar issues, but I’m not quite sure how to apply those solutions to my specific setup. Any advice or examples would be incredibly helpful!
Why It Matters:
Getting the white channel working properly would allow me to create more dynamic lighting scenarios. For example, I could have the lights transition smoothly from a vibrant color to a warm white during the evening. This level of customization is exactly what I’m aiming for with my smart home setup.
Thanks in Advance!
I appreciate everyone’s time and expertise. The Home Assistant community is amazing, and I’m grateful for all the support and knowledge shared here. Looking forward to hearing your thoughts and tips!