Hello, I am setting up a flow for automating my greenhouse using a pi 3. I have some prior experience coding in Qt c++ but it has been a few years... I want to return 'true' or 'false' to operate a switch but due to my lack of coding skills 'result' ends up 'undefined' and msg.payload returns 'un…

Try: //gets the temp and humidity reading from the DHT11 var hum = msg.humidity; var tmp = msg.payload; var result; setInterval(function(){ var hour = new Date().getHours(); if (hour >= 8 && hour < 18) { controlMister(); } }, 1000*60); function controlMister(){ if(hum < 60…

knolleary 22 July 2018 15:50 3

Topic		Replies	Views
What am I doing wrong General	37	2322	7 April 2019
Sensors to function. function to switch General	5	1231	16 July 2019
Function return type (tried to send a message of type string) General node-red-dashboard , function-node	4	1396	25 January 2022
Function node using the value of an array General	4	595	8 May 2020
Changing global variable inside the function node General	58	12092	13 March 2019

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.

Code question from a dopey newbe[solved]

Related topics