# ESP8266-12f - Domoticz mqtt -node red

**URL:** <https://discourse.nodered.org/t/esp8266-12f-domoticz-mqtt-node-red/27163>\
**Category:** General\
**Created:** [23 May 2020 22:26 UTC](https://discourse.nodered.org/t/esp8266-12f-domoticz-mqtt-node-red/27163 "2020-05-23T22:26:42Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [23 May 2020 22:34 UTC](https://discourse.nodered.org/t/esp8266-12f-domoticz-mqtt-node-red/27163/2 "2020-05-23T22:34:39Z")

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I dont know that device but i suspect it is NOT a broker.

for MQTT clients to communicate, you need an actual MQTT broker to sit between clients.

See [this post](https://discourse.nodered.org/t/linking-2-or-more-instances-on-a-local-network/24879/3) for a very quick intro

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