I have a question regarding HA discovery. I want to add a switch via MQTT. It works fine but: . instead of getting a switch in the style shown by the green arrow I get something with lightning (red arrow). How via MQTT HA discovery do I add a switch in the style shown by the green arrow?

It turns out that in order to get the correct switch instead of lightning, you need to define state_topic in addition to command_topic. That's not all! HA checks whether state_topic really exists - presumably it checks whether the MQTT broker publishes such a thing. If all conditions are fulfilled, the lightning turns into a regular switch.

[Solved] How do I add a switch (in Home Assistant) via MQTT Home Assistant discovery?

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#1 21175795 01 Aug 2024 00:40

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Post #1
21175795 01 Aug 2024 00:40

I have a question regarding HA discovery. I want to add a switch via MQTT. It works fine but:
.
instead of getting a switch in the style shown by the green arrow I get something with lightning (red arrow). How via MQTT HA discovery do I add a switch in the style shown by the green arrow?
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#2 21182580 06 Aug 2024 23:15

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21182580 06 Aug 2024 23:15

It turns out that in order to get the correct switch instead of lightning, you need to define "state_topic" in addition to "command_topic". That's not all! HA checks whether "state_topic" really exists - presumably it checks whether the MQTT broker publishes such a thing. If all conditions are fulfilled, the "lightning" turns into a regular switch.
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[Solved] How do I add a switch (in Home Assistant) via MQTT Home Assistant discovery?

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