# How to use MQTT Out

**URL:** <https://discourse.nodered.org/t/how-to-use-mqtt-out/44174>\
**Category:** General\
**Created:** [14 April 2021 14:00 UTC](https://discourse.nodered.org/t/how-to-use-mqtt-out/44174 "2021-04-14T14:00:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![sefaguntepe](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/sefaguntepe/32/94497_2.png) [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\
**Post date:** [14 April 2021 14:00 UTC](https://discourse.nodered.org/t/how-to-use-mqtt-out/44174/1 "2021-04-14T14:00:32Z")

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Hello, I would like to display a value on the LCD screen connected to Wemos via Node-red. How do I do it via MQTT-out? Any different suggestions?

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [14 April 2021 15:15 UTC](https://discourse.nodered.org/t/how-to-use-mqtt-out/44174/2 "2021-04-14T15:15:01Z")

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What topic is the Wemos device expecting you to send the value on, and in what format?

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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:** [13 June 2021 15:15 UTC](https://discourse.nodered.org/t/how-to-use-mqtt-out/44174/3 "2021-06-13T15:15:44Z")

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