MQTT and auto discovery

@sh00t2kill wrote:

Hi team.

I use MQTT pretty heavily in HA, with a mixture of esphome, tasmota, home brew arduino stuff, and some very custom integrations.

Ive been holding off on enabling mqtt autodiscovery because i havent wanted all my devices (particularly the esphome and tasmota ones) to get duplicated – and ive been onboard since before that was a thing.

So - if i enable auto discovery, what happens to the already configured devices ? Is it smart enough to know that a switch/light/sensor is already configured for that state/command topic ?

TIA!

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