I have a number of flows that use the state of some global variables to decide what to do when certain triggering events happen. For example I have a flow that sets my slack status to "waiting on the bus" when the garage door opens in the morning (because I always retrieve my bike from the garage to…

dynamicdave 15 January 2020 17:59 15

If it helps - here's a link to my tutorial on controlling a NeoPixel strip from Node-RED via a Wemos D1 mini (ESP8266 flashed with ESP Easy).

3 Likes

Topic		Replies	Views
Looking for best practice to execute a complete node based on a condition General	8	443	14 November 2021
Global listener node Feature Requests	6	893	11 October 2018
Could I use a Variable? General	5	1013	31 August 2018
Detect immediately when a global variable becomes true General	10	522	10 September 2022
How to detect change in a flow or global variable Developing Nodes	26	12753	26 September 2021

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

How to track status of global variables (and some nodes)?

Related topics