# Show/add new ESPhome device in Node-red

**URL:** <https://discourse.nodered.org/t/show-add-new-esphome-device-in-node-red/78012>\
**Category:** General\
**Tags:** docker, home-assistant\
**Created:** [28 April 2023 14:14 UTC](https://discourse.nodered.org/t/show-add-new-esphome-device-in-node-red/78012 "2023-04-28T14:14:04Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![selfmade](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/selfmade/32/79581_2.png) [@selfmade](https://discourse.nodered.org/u/selfmade)\
**Post date:** [30 April 2023 22:19 UTC](https://discourse.nodered.org/t/show-add-new-esphome-device-in-node-red/78012/21 "2023-04-30T22:19:05Z")

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> [@TotallyInformation](#):
>
> That means that all my ESP based devices use `ESP/xxxxx` as the root MQTT topic. It comes in the `substitutions` section so that you can use `mqtt_root` as a variable elesewhere. But as you can see from the line a little above:

wow, thats cool.

edit ===\>  
I'm not sure if my ESPhome version supports the substitutions:

no works... i take some other misstakes...

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [29 June 2023 22:19 UTC](https://discourse.nodered.org/t/show-add-new-esphome-device-in-node-red/78012/22 "2023-06-29T22:19:47Z")

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Closed on 29 June 2023 22:19 UTC

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