# Signal when there is a change in status

**URL:** https://discourse.nodered.org/t/signal-when-there-is-a-change-in-status/46705
**Category:** General
**Created:** [4 June 2021 14:30 UTC](https://discourse.nodered.org/t/signal-when-there-is-a-change-in-status/46705 "2021-06-04T14:30:39Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![automati](https://avatars.discourse-cdn.com/v4/letter/a/b2d939/32.png) [@automati](https://discourse.nodered.org/u/automati)
#### Post date: [4 June 2021 14:30 UTC](https://discourse.nodered.org/t/signal-when-there-is-a-change-in-status/46705/1 "2021-06-04T14:30:39Z")

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Hello everybody

I have a question:

I have the following problem ..

I have connected a Shelly to Nodered via MQTT, now I have the problem that I get the status from the Shelly about every 3 seconds ... Now I just want the status to come once and then again when the status has changed e.g. from Off to ON

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### Author: ![E1cid](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/e1cid/32/77971_2.png) [@E1cid](https://discourse.nodered.org/u/E1cid)
#### Post date: [4 June 2021 14:45 UTC](https://discourse.nodered.org/t/signal-when-there-is-a-change-in-status/46705/2 "2021-06-04T14:45:22Z")

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Have a look at the rbe node.

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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: [3 August 2021 14:45 UTC](https://discourse.nodered.org/t/signal-when-there-is-a-change-in-status/46705/3 "2021-08-03T14:45:30Z")

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