Transferring data from HA entities to MQTT

Energy
1

What i want do to?
Letting evcc use data from existing HA entities.

At the moment I’m shoveling all the data from the inverter (also from the smart meter) towards HA via an ESP32. Now I am faced with the challenge of being able to let evcc use this data.
I understand that evcc cannot access the corresponding HA entities directly. Therefore, I thought that MQTT would be predestined for this. The question is:
How can I pass the values ​​of existing HA entities to MQTT?
Unfortunately, only homeassistant topics appear in the MQTT Explorer so far…
It would then be easy to let evcc access the data from MQTT.

Spoiler: I’m completely new to MQTT :slight_smile:

2

I’d publish to the mqtt broker directly from the ESP32, to save double handling.

But if you can’t or don’t want to do that then have a look at this integration:

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