# Latest

**URL:** https://discourse.nodered.org/latest.md?page=778

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 779

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## [Docs on "Loading additional modules" outdated?](https://discourse.nodered.org/t/docs-on-loading-additional-modules-outdated/48112)

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**Author:** [@SewShulMeedeeUh](https://discourse.nodered.org/u/SewShulMeedeeUh)\
**Replies:** 9\
**Last updated:** [7 July 2021 07:22 UTC](https://discourse.nodered.org/t/docs-on-loading-additional-modules-outdated/48112 "2021-07-07T07:22:04Z")

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Via here... https://nodered.org/docs/user-guide/writing-functions#loading-additional-modules Modules loaded from your settings file must be installed in the same directory as the settings file. For most users that wil…

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## [Proper async await usage in function nodes](https://discourse.nodered.org/t/proper-async-await-usage-in-function-nodes/48113)

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**Author:** [@SewShulMeedeeUh](https://discourse.nodered.org/u/SewShulMeedeeUh)\
**Replies:** 5\
**Last updated:** [7 July 2021 07:11 UTC](https://discourse.nodered.org/t/proper-async-await-usage-in-function-nodes/48113 "2021-07-07T07:11:19Z")

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This forum reply (to a similar question) seems to imply that a naked await should work within a function node... The call is asynchronous and returns a promise so you need to await for that to complete before you retur…

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## [How to setup log](https://discourse.nodered.org/t/how-to-setup-log/48069)

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**Author:** [@WeeSeong](https://discourse.nodered.org/u/WeeSeong)\
**Replies:** 7\
**Last updated:** [7 July 2021 06:27 UTC](https://discourse.nodered.org/t/how-to-setup-log/48069 "2021-07-07T06:27:51Z")

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Hi everyone, is there a way to setup a log to monitor past data from an input? I'm still rather confused on how to set one after reading through some forums. What I have in mind was to set the log to store up to 10 data…

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## [Text selection in firefox](https://discourse.nodered.org/t/text-selection-in-firefox/48107)

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**Author:** [@sohrab.shaikh](https://discourse.nodered.org/u/sohrab.shaikh)\
**Replies:** 0\
**Last updated:** [7 July 2021 03:37 UTC](https://discourse.nodered.org/t/text-selection-in-firefox/48107 "2021-07-07T03:37:10Z")

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display dashboard using firefox browser. If i try to select multiple chars using mouse , it does not let me. there are 2 methods at body tag that is related to this issue ng-swipe-right="onSwipeRight();" ng-swipe-left=…

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## [Plant Factory for agriculture](https://discourse.nodered.org/t/plant-factory-for-agriculture/5891)

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**Author:** [@rizalderck](https://discourse.nodered.org/u/rizalderck)\
**Replies:** 15\
**Last updated:** [7 July 2021 03:04 UTC](https://discourse.nodered.org/t/plant-factory-for-agriculture/5891 "2021-07-07T03:04:40Z")

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Good evening, I'm safrizal. I am having problems in making a program on node-red. I am asking for help from friends and masters here if you can help my problems. So I made the program to command in a sequence more precis…

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## [Why use 2 way send data to uart but its different?](https://discourse.nodered.org/t/why-use-2-way-send-data-to-uart-but-its-different/48102)

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**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 2\
**Last updated:** [7 July 2021 02:18 UTC](https://discourse.nodered.org/t/why-use-2-way-send-data-to-uart-but-its-different/48102 "2021-07-07T02:18:52Z")

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Dear Sir : Look at Pic and below : The Green is send data to uart and mcu has response same data too. The Red is send data to uart but mcu has not response! Why? What happend! Thank u.

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## [MQTT won't connect between two networked devices](https://discourse.nodered.org/t/mqtt-wont-connect-between-two-networked-devices/47871)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 6\
**Last updated:** [6 July 2021 23:55 UTC](https://discourse.nodered.org/t/mqtt-wont-connect-between-two-networked-devices/47871 "2021-07-06T23:55:26Z")

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Hi All, I need some help with Mqtt. I have a RPI4B connected via a switch to an IFM AL1341. I can not get the broker to communicate with each other. I have tested mqtt operation with localhost:1883 sending hello world…

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## [Is this a bug in CronPlus?](https://discourse.nodered.org/t/is-this-a-bug-in-cronplus/48081)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 2\
**Last updated:** [6 July 2021 23:06 UTC](https://discourse.nodered.org/t/is-this-a-bug-in-cronplus/48081 "2021-07-06T23:06:28Z")

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Guys, I am using the (excellent !) Cron Plus node. I have it configured to fire every 5 minutes starting at 1 minute past the hour - it is acting as a trigger to fire off a web request for price updates from my electri…

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## [How can I delete/stop Error: connect ECONNREFUSED 127.0.0.1:1883](https://discourse.nodered.org/t/how-can-i-delete-stop-error-connect-econnrefused-127-0-0-1-1883/48088)

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**Author:** [@Albert](https://discourse.nodered.org/u/Albert)\
**Replies:** 2\
**Last updated:** [6 July 2021 22:42 UTC](https://discourse.nodered.org/t/how-can-i-delete-stop-error-connect-econnrefused-127-0-0-1-1883/48088 "2021-07-06T22:42:19Z")

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I added Tasmota flows and created a sensor, but afterdeleting the sensor and the flow I get this error: Error: connect ECONNREFUSED 127.0.0.1:1883 How can I stop it?

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## [Sidebar always open](https://discourse.nodered.org/t/sidebar-always-open/48093)

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**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 3\
**Last updated:** [6 July 2021 21:00 UTC](https://discourse.nodered.org/t/sidebar-always-open/48093 "2021-07-06T21:00:22Z")

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I find it a minor annoyance that the sidebar is open every time I open the editor. Is there a way to cause it to use what it was last set to? Thanks

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## [Wild card or variable attribute in javascript object as payload?](https://discourse.nodered.org/t/wild-card-or-variable-attribute-in-javascript-object-as-payload/48091)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 11\
**Last updated:** [6 July 2021 18:11 UTC](https://discourse.nodered.org/t/wild-card-or-variable-attribute-in-javascript-object-as-payload/48091 "2021-07-06T18:11:20Z")

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Wild card or variable attribute in JavaScript object as payload? Crazy question... right? Let me explain, I have an MQTT message I want to 'parse' the payload in a unique way, but I suspect I will need to use a functio…

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## [Exec node basics](https://discourse.nodered.org/t/exec-node-basics/48067)

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**Author:** [@quarfie](https://discourse.nodered.org/u/quarfie)\
**Replies:** 3\
**Last updated:** [6 July 2021 17:57 UTC](https://discourse.nodered.org/t/exec-node-basics/48067 "2021-07-06T17:57:18Z")

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Trying to get comfortable with the exec node and getting tripped up a bit. I wish to open an SSH session to another server to execute commands. In the exec node I can set the "command" to ssh ubuntu@my.server.com and…

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## [Change List Type of ui\_list](https://discourse.nodered.org/t/change-list-type-of-ui-list/48092)

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**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\
**Replies:** 0\
**Last updated:** [6 July 2021 17:55 UTC](https://discourse.nodered.org/t/change-list-type-of-ui-list/48092 "2021-07-06T17:55:09Z")

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Is there anyway of changing the list type of a ui\_list on the fly, or remove the menu button from items without menu options? The reason why is that I have a dynamically generated list of items that display a menu for u…

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## [Background colour of ui\_template](https://discourse.nodered.org/t/background-colour-of-ui-template/48084)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 7\
**Last updated:** [6 July 2021 17:49 UTC](https://discourse.nodered.org/t/background-colour-of-ui-template/48084 "2021-07-06T17:49:42Z")

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I've been through some forum topics and have found the below solution changes themes for all widgets UI-Template - cant change background color of? - #4 by dceejay the below solution requires to give node id Ui\_t…

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## [Ui\_table does not work anymore](https://discourse.nodered.org/t/ui-table-does-not-work-anymore/48089)

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**Author:** [@Swen](https://discourse.nodered.org/u/Swen)\
**Replies:** 0\
**Last updated:** [6 July 2021 17:02 UTC](https://discourse.nodered.org/t/ui-table-does-not-work-anymore/48089 "2021-07-06T17:02:39Z")

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Hi there, today i tried to add the node-red-node-ui-table in version 0.3.10 In one instance of node red it works prettily and in the other I got after first insertion of the ui\_table control and deployment an weird err…

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## [XML-node XML-\>JSON Error: Invalid character in name](https://discourse.nodered.org/t/xml-node-xml-json-error-invalid-character-in-name/47850)

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**Author:** [@Swen](https://discourse.nodered.org/u/Swen)\
**Replies:** 19\
**Last updated:** [6 July 2021 16:29 UTC](https://discourse.nodered.org/t/xml-node-xml-json-error-invalid-character-in-name/47850 "2021-07-06T16:29:27Z")

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Hi folks! Today i encountered a new problem. I get XML-data by a Webservice-Request. I tried to convert the incomeing data from XML into JSON. So far I always got a medium size XML-Response with a length of about 300…

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## [Node-red doesn't run anymore](https://discourse.nodered.org/t/node-red-doesnt-run-anymore/13437)

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**Author:** [@salahuiste](https://discourse.nodered.org/u/salahuiste)\
**Replies:** 31\
**Last updated:** [6 July 2021 14:33 UTC](https://discourse.nodered.org/t/node-red-doesnt-run-anymore/13437 "2021-07-06T14:33:57Z")

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hello node-red doesn't run any more , it closes the connection automatically , this is what i got : at Flow.start (C:\\Users\\PC-Démonstrateur\\AppData\\Roaming\\npm\\node\_modules\\node-red\\red\\runtime\\nodes\\flows\\Flow.js:8 9…

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## [Deploy flows to external storage](https://discourse.nodered.org/t/deploy-flows-to-external-storage/48083)

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**Author:** [@An-ji](https://discourse.nodered.org/u/An-ji)\
**Replies:** 1\
**Last updated:** [6 July 2021 13:56 UTC](https://discourse.nodered.org/t/deploy-flows-to-external-storage/48083 "2021-07-06T13:56:54Z")

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Hi All, I've deployed node red to azure cluster and want to access flow.json file from external storage like aws s3 bucket or azure blob, could you tell me how can I access flow file from external storage and deploy my …

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## [Ask about node-red serial?](https://discourse.nodered.org/t/ask-about-node-red-serial/47927)

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**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 9\
**Last updated:** [6 July 2021 09:47 UTC](https://discourse.nodered.org/t/ask-about-node-red-serial/47927 "2021-07-06T09:47:47Z")

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Dear All : Press a button. First send a set of data to serial out. Second then will response same a set of data to serial in. Third check a set of data is right then return to 1. How to check the data? I have no idea! A…

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## [How to create switching button in new html file to control LOGO](https://discourse.nodered.org/t/how-to-create-switching-button-in-new-html-file-to-control-logo/48014)

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**Author:** [@Doba](https://discourse.nodered.org/u/Doba)\
**Replies:** 7\
**Last updated:** [6 July 2021 09:15 UTC](https://discourse.nodered.org/t/how-to-create-switching-button-in-new-html-file-to-control-logo/48014 "2021-07-06T09:15:59Z")

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Hi, I was hoping someone could assist me in creating my little project. I'm afraid I don't have any experience in programming and have only started with Node-Red since a few weeks. I understand for someone with experi…

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## [Raspberry pi gpio led not working](https://discourse.nodered.org/t/raspberry-pi-gpio-led-not-working/48064)

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**Author:** [@MK1992](https://discourse.nodered.org/u/MK1992)\
**Replies:** 19\
**Last updated:** [6 July 2021 08:33 UTC](https://discourse.nodered.org/t/raspberry-pi-gpio-led-not-working/48064 "2021-07-06T08:33:51Z")

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node-red version:V1.3.5 node.js version: v14.17.2 linux 5.10.17-v7l +arm LE So I am running simple LED on/off and capturing image using nodered and picamera. So my led was not turned on when I press 1. and picam…

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## [Websocket close, does not connect](https://discourse.nodered.org/t/websocket-close-does-not-connect/47938)

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**Author:** [@juan\_R](https://discourse.nodered.org/u/juan_R)\
**Replies:** 2\
**Last updated:** [6 July 2021 08:22 UTC](https://discourse.nodered.org/t/websocket-close-does-not-connect/47938 "2021-07-06T08:22:03Z")

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Hello, I configure a CP client JSON but I can't connect to the server on the Internet. I have checked that the url is correct and I try to send a bootnotification with the connection but does not connect and in the ser…

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## [Setting environment variable to time in trigger node](https://discourse.nodered.org/t/setting-environment-variable-to-time-in-trigger-node/48038)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 8\
**Last updated:** [6 July 2021 06:54 UTC](https://discourse.nodered.org/t/setting-environment-variable-to-time-in-trigger-node/48038 "2021-07-06T06:54:21Z")

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Hello, I want to set environment variable to the time in the trigger node and also to set interval at a inject node Is this possible to set env variable to both the nodes?

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## [Mongo db deprecated](https://discourse.nodered.org/t/mongo-db-deprecated/48041)

<div class="topic-metadata">

**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 3\
**Last updated:** [6 July 2021 06:52 UTC](https://discourse.nodered.org/t/mongo-db-deprecated/48041 "2021-07-06T06:52:40Z")

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Hello, I am using mongo db 3 node in store timestamp into it. As i started the node red following error has occurred in terminal: (node:2627) \[MONGODB DRIVER\] Warning: Current Server Discovery and Monitoring engine is d…

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## [Multipass not starting](https://discourse.nodered.org/t/multipass-not-starting/48068)

<div class="topic-metadata">

**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 2\
**Last updated:** [6 July 2021 06:41 UTC](https://discourse.nodered.org/t/multipass-not-starting/48068 "2021-07-06T06:41:40Z")

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Hello, I am using multipass ubuntu as virtual machine on which my node red is installed. When I type multipass start command , ubuntu machine is not able to start, it shows start failed:Timed out waiting for response. W…

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## [Ring doorbell - is there a working contrib node?](https://discourse.nodered.org/t/ring-doorbell-is-there-a-working-contrib-node/47572)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 11\
**Last updated:** [5 July 2021 23:54 UTC](https://discourse.nodered.org/t/ring-doorbell-is-there-a-working-contrib-node/47572 "2021-07-05T23:54:52Z")

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Do you know if there is any alternative to node-red-contrib-ringdoorbell that works with the new authentication ? Just got one on Amazon day and would like to add some NR goodness :wink:

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## [Use flow context inside subflow](https://discourse.nodered.org/t/use-flow-context-inside-subflow/48052)

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**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\
**Replies:** 4\
**Last updated:** [5 July 2021 23:53 UTC](https://discourse.nodered.org/t/use-flow-context-inside-subflow/48052 "2021-07-05T23:53:39Z")

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Hello, is it possible to use context, inside a subflow? Inside my subflow I try to set flow context as shon in the picture with change node using set. But when I refresh context tab, nothing apears there. Am I doing…

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## [Ui-table selection callback](https://discourse.nodered.org/t/ui-table-selection-callback/47861)

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**Author:** [@rogerjames99](https://discourse.nodered.org/u/rogerjames99)\
**Replies:** 13\
**Last updated:** [5 July 2021 15:28 UTC](https://discourse.nodered.org/t/ui-table-selection-callback/47861 "2021-07-05T15:28:53Z")

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I am trying to implement a callback to track the currently selected table row. Here is my code. msg.ui\_control = { tabulator: { // This callback saves the current selected row rowSelected:function(r…

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## [Subflows and variables](https://discourse.nodered.org/t/subflows-and-variables/47948)

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**Author:** [@Egonic](https://discourse.nodered.org/u/Egonic)\
**Replies:** 2\
**Last updated:** [5 July 2021 14:08 UTC](https://discourse.nodered.org/t/subflows-and-variables/47948 "2021-07-05T14:08:15Z")

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Hello Everyone I am trying to use subflows and am getting more away from understanding it than before. I am trying to reuse certain function over and over but what I am failing to do is to pass in the environmental var…

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## [What browsers are officially supported by the Node-RED editor?](https://discourse.nodered.org/t/what-browsers-are-officially-supported-by-the-node-red-editor/48034)

<div class="topic-metadata">

**Author:** [@robbie-coder](https://discourse.nodered.org/u/robbie-coder)\
**Replies:** 4\
**Last updated:** [5 July 2021 14:06 UTC](https://discourse.nodered.org/t/what-browsers-are-officially-supported-by-the-node-red-editor/48034 "2021-07-05T14:06:04Z")

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I have been searching for an official page / statement about what browsers the Node-RED editor officially supports but could not find it. When we are developing custom nodes I would like to know in what browsers I shoul…

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