# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=466

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

**Page:** 467

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## [Enable/Disable Nodes (Configuration Nodes) from Node-red Flow](https://discourse.nodered.org/t/enable-disable-nodes-configuration-nodes-from-node-red-flow/53849)

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**Author:** [@JorgeAlberto91MS](https://discourse.nodered.org/u/JorgeAlberto91MS)\
**Replies:** 1\
**Last updated:** [16 November 2021 21:24 UTC](https://discourse.nodered.org/t/enable-disable-nodes-configuration-nodes-from-node-red-flow/53849 "2021-11-16T21:24:27Z")

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It would be very useful to be able to enable or disable nodes from the Node-RED flow. (To disable for example nodes with persistent error).

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## [HowTo send a message with variables](https://discourse.nodered.org/t/howto-send-a-message-with-variables/53841)

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**Author:** [@Cavekeeper](https://discourse.nodered.org/u/Cavekeeper)\
**Replies:** 2\
**Last updated:** [16 November 2021 19:05 UTC](https://discourse.nodered.org/t/howto-send-a-message-with-variables/53841 "2021-11-16T19:05:12Z")

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I have a working node which sends a static text (This is a test) as a message. It works very well. I would now like to replace the static text with a variable which, for example, was passed to me from the previous node.…

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## [Re-order sidebar tabs](https://discourse.nodered.org/t/re-order-sidebar-tabs/53818)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [16 November 2021 18:40 UTC](https://discourse.nodered.org/t/re-order-sidebar-tabs/53818 "2021-11-16T18:40:25Z")

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I've always wanted to re-order the sidebar tabs to demote config and promote context info Today - I spent 10 minutes of fifing and faffing and finally achieved success :slight\_smile: but for the life of me - I now ca…

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## [Recovering flows.json from broken container](https://discourse.nodered.org/t/recovering-flows-json-from-broken-container/53826)

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**Author:** [@francuz1521](https://discourse.nodered.org/u/francuz1521)\
**Replies:** 1\
**Last updated:** [16 November 2021 16:52 UTC](https://discourse.nodered.org/t/recovering-flows-json-from-broken-container/53826 "2021-11-16T16:52:41Z")

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hi, i was running for a while node-red on a linux pc and for some reason the container broke and it dont want to start, how can i recover the flows.json file from it ? the logs from when i try to start the container Fa…

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## [typeField problems in 2.1.3](https://discourse.nodered.org/t/typefield-problems-in-2-1-3/53832)

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**Author:** [@dxdc](https://discourse.nodered.org/u/dxdc)\
**Replies:** 2\
**Last updated:** [16 November 2021 14:38 UTC](https://discourse.nodered.org/t/typefield-problems-in-2-1-3/53832 "2021-11-16T14:38:30Z")

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I have been using the behavior described below for my contrib node to define typeField as a list of options including one which is 'undefined': GitHub - dxdc/node-red-contrib-join-wait: Node-RED module to wait for incomi…

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## [IP Address as a variable](https://discourse.nodered.org/t/ip-address-as-a-variable/53225)

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**Author:** [@traderjoe](https://discourse.nodered.org/u/traderjoe)\
**Replies:** 6\
**Last updated:** [16 November 2021 14:08 UTC](https://discourse.nodered.org/t/ip-address-as-a-variable/53225 "2021-11-16T14:08:18Z")

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I guess I'm reopening up my question from before: I am collecting data using Modbus TCP. I'd like the remain flexible and let the user enter their own IP address. it was brought up to use environmental variables. Bu…

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## [Missing node types - SerialPort](https://discourse.nodered.org/t/missing-node-types-serialport/52133)

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**Author:** [@pagagaming](https://discourse.nodered.org/u/pagagaming)\
**Replies:** 4\
**Last updated:** [16 November 2021 13:37 UTC](https://discourse.nodered.org/t/missing-node-types-serialport/52133 "2021-11-16T13:37:25Z")

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Hello everyone i have a problem with my node red. everytime i want to deploy my flows it give me a warning of a missing node type ( missing serial port ). Does anybody knows how to fix this ?

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## [Can i use node red with django](https://discourse.nodered.org/t/can-i-use-node-red-with-django/53704)

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**Author:** [@tahasamy](https://discourse.nodered.org/u/tahasamy)\
**Replies:** 7\
**Last updated:** [16 November 2021 13:19 UTC](https://discourse.nodered.org/t/can-i-use-node-red-with-django/53704 "2021-11-16T13:19:27Z")

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\*\*hi , i use django framework to build website , but can i use node into django framework ??? i do not have any idea to make it \*\*

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## [Why the signalMin is always 0?](https://discourse.nodered.org/t/why-the-signalmin-is-always-0/53806)

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**Author:** [@jhunnx](https://discourse.nodered.org/u/jhunnx)\
**Replies:** 6\
**Last updated:** [16 November 2021 12:36 UTC](https://discourse.nodered.org/t/why-the-signalmin-is-always-0/53806 "2021-11-16T12:36:13Z")

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CODE: https://sites.google.com/site/myscratchbooks/home/projects/project-19-using-max9812-mensaure-decibels-db-db-spl I've seen this code on the internet and its really working but when i try to integrate it to node-red…

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## [OPC UA with IdentifierType=String on Node-Red](https://discourse.nodered.org/t/opc-ua-with-identifiertype-string-on-node-red/4083)

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**Author:** [@mec](https://discourse.nodered.org/u/mec)\
**Replies:** 2\
**Last updated:** [16 November 2021 11:31 UTC](https://discourse.nodered.org/t/opc-ua-with-identifiertype-string-on-node-red/4083 "2021-11-16T11:31:38Z")

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Hi, I'm testing OPC UA Client on Node-RED. I installed node-red-contrib-iiot-opcua v.3.1.0. If I try to read a OPC UA node from client Nod-RED to my OPC UA Server I can read node with IdentifierType=Number (for exampl…

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## [Connect to socket.io server with token](https://discourse.nodered.org/t/connect-to-socket-io-server-with-token/53822)

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**Author:** [@olegunnardahle](https://discourse.nodered.org/u/olegunnardahle)\
**Replies:** 0\
**Last updated:** [16 November 2021 11:15 UTC](https://discourse.nodered.org/t/connect-to-socket-io-server-with-token/53822 "2021-11-16T11:15:43Z")

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Hi I'm trying to connect to a socket.io server with a token async function connectToSocket(token){ var socket = require('socket.io-client')(\`https://kong.tls.ai/bt/api/socket.io/?token=${token}\`) socket.on(…

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## [Can Node-RED flow utilize multiple cpu cores?](https://discourse.nodered.org/t/can-node-red-flow-utilize-multiple-cpu-cores/53356)

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**Author:** [@suryas](https://discourse.nodered.org/u/suryas)\
**Replies:** 15\
**Last updated:** [16 November 2021 10:43 UTC](https://discourse.nodered.org/t/can-node-red-flow-utilize-multiple-cpu-cores/53356 "2021-11-16T10:43:14Z")

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Hi, The Node-RED framework runs on Node.js, which by default runs in a single process and which uses a single cpu core. Can Node-RED run a flow utilizing multiple cpu cores in a machine to speed up the execution? Pleas…

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## [Is there a node for voice recognition in Raspberry Pi?](https://discourse.nodered.org/t/is-there-a-node-for-voice-recognition-in-raspberry-pi/53817)

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**Author:** [@quemf](https://discourse.nodered.org/u/quemf)\
**Replies:** 0\
**Last updated:** [16 November 2021 10:20 UTC](https://discourse.nodered.org/t/is-there-a-node-for-voice-recognition-in-raspberry-pi/53817 "2021-11-16T10:20:28Z")

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Hi everyone, I am looking for a node that can get voice recognition from a webcam connected to the USB of the Raspberry Pi. Does everyone know if there is a node to make that possible? Thank you, Q.

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## [Node-red world map zoom and marking](https://discourse.nodered.org/t/node-red-world-map-zoom-and-marking/53745)

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**Author:** [@aqidishak](https://discourse.nodered.org/u/aqidishak)\
**Replies:** 19\
**Last updated:** [16 November 2021 09:12 UTC](https://discourse.nodered.org/t/node-red-world-map-zoom-and-marking/53745 "2021-11-16T09:12:54Z")

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How to make when we click button and it zoom to specific location (lat,lon)?... another question is, when I refresh the page (map) the mark will be gone and I need to inject it again so how to make it automatically injec…

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## [Replacing existing Pi install has failed](https://discourse.nodered.org/t/replacing-existing-pi-install-has-failed/53811)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 4\
**Last updated:** [16 November 2021 08:57 UTC](https://discourse.nodered.org/t/replacing-existing-pi-install-has-failed/53811 "2021-11-16T08:57:00Z")

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I wanted to start again with standard Node-RED install on my Pi4 FYI Just in case relevant it has other alternate @TotallyInformation installs So I did rm -Rf .node-red and then ran standard installer script All see…

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## [Payloadとpayloadを合計したい](https://discourse.nodered.org/t/payload-payload/53613)

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**Author:** [@wtaro513](https://discourse.nodered.org/u/wtaro513)\
**Replies:** 2\
**Last updated:** [16 November 2021 05:04 UTC](https://discourse.nodered.org/t/payload-payload/53613 "2021-11-16T05:04:11Z")

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30秒間に出力される5種類のノードのpayloadとpayloadを合計したいです。出力されるタイミングは別々です。 30秒のうちに5種類のpayloadの出力がなかった場合には、タイムアウトして次の30秒に移行したいです。

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## [Use node red with verdaccio registry](https://discourse.nodered.org/t/use-node-red-with-verdaccio-registry/53794)

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**Author:** [@mellerbeck](https://discourse.nodered.org/u/mellerbeck)\
**Replies:** 1\
**Last updated:** [15 November 2021 21:45 UTC](https://discourse.nodered.org/t/use-node-red-with-verdaccio-registry/53794 "2021-11-15T21:45:13Z")

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I'm trying to use a custom registry. Similar to this post Npm search custom registry It looks like I could install verdaccio And then to have NPM use it I can set the registry (maybe writing out to the .npmrc ) npm se…

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## [Generate msg.options for dropdown , search function](https://discourse.nodered.org/t/generate-msg-options-for-dropdown-search-function/53783)

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**Author:** [@xjust](https://discourse.nodered.org/u/xjust)\
**Replies:** 3\
**Last updated:** [15 November 2021 21:49 UTC](https://discourse.nodered.org/t/generate-msg-options-for-dropdown-search-function/53783 "2021-11-15T21:49:20Z")

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Hi there, As a beginner, I am stuck a little bit. Hope anybody can help :slight\_smile: I have the following arr variable used as a settings file: const arr = \[ { "zona": "Zone1", "ip": \[10, 11, 12\], }, { "zona": "Zo…

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## [Modbus tcp node dynamic change of ip address and portnr](https://discourse.nodered.org/t/modbus-tcp-node-dynamic-change-of-ip-address-and-portnr/53777)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 2\
**Last updated:** [15 November 2021 19:23 UTC](https://discourse.nodered.org/t/modbus-tcp-node-dynamic-change-of-ip-address-and-portnr/53777 "2021-11-15T19:23:22Z")

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I wonder, is it possible to dynamicly change the ip address and port number fields of a config node that is used in the modbus getter node?

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## [Question about npm Install](https://discourse.nodered.org/t/question-about-npm-install/53760)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 9\
**Last updated:** [15 November 2021 18:51 UTC](https://discourse.nodered.org/t/question-about-npm-install/53760 "2021-11-15T18:51:06Z")

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Hi, I asked some time ago for installing node-red-contrib-nibepi 1.1.1 under Node.JS 14 or 16. npm install --save anerdins/node-red-contrib-nibepi#master Link Node.JS 12 will expire soon and the nibepi can´t be insta…

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## [Problems with Hue Magic](https://discourse.nodered.org/t/problems-with-hue-magic/53779)

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**Author:** [@Schmtterfliege](https://discourse.nodered.org/u/Schmtterfliege)\
**Replies:** 3\
**Last updated:** [15 November 2021 17:19 UTC](https://discourse.nodered.org/t/problems-with-hue-magic/53779 "2021-11-15T17:19:41Z")

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Hi, I have some hickups with the way I try to use the hue magic distrib in node red. Probably my fault because I'm missing some basic knowledge about how it works? I have several rooms, in each room I have added a con…

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## [Replace characters](https://discourse.nodered.org/t/replace-characters/53770)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 15\
**Last updated:** [15 November 2021 17:19 UTC](https://discourse.nodered.org/t/replace-characters/53770 "2021-11-15T17:19:07Z")

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Hi all! I need to replace the characters \\n and \\t from the String. I have a function but is not working properlly. \[ { "id": "d9e4f025031e49e5", "type": "tab", "label": "prueba remplazo", …

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## [Palette sidebar tooltips](https://discourse.nodered.org/t/palette-sidebar-tooltips/53776)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 0\
**Last updated:** [15 November 2021 15:24 UTC](https://discourse.nodered.org/t/palette-sidebar-tooltips/53776 "2021-11-15T15:24:32Z")

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I have a tendency to drag a node out of the palette and let go of it just inside the editor, then I wait for the tooltip overlaying it to go away, but it doesn't, at least not until I move the mouse outside of the toolti…

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## [Function to trigger](https://discourse.nodered.org/t/function-to-trigger/53626)

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**Author:** [@mynoderocks](https://discourse.nodered.org/u/mynoderocks)\
**Replies:** 15\
**Last updated:** [15 November 2021 14:21 UTC](https://discourse.nodered.org/t/function-to-trigger/53626 "2021-11-15T14:21:52Z")

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Hi all, I have read through a few posts on the forum on how to trigger something from an ouput of a function JS function. Maybe I am even thinking of this the wrong way. Let me give you an example of what I am trying to…

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## [Mobile phone and MQTT](https://discourse.nodered.org/t/mobile-phone-and-mqtt/11549)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [15 November 2021 14:18 UTC](https://discourse.nodered.org/t/mobile-phone-and-mqtt/11549 "2021-11-15T14:18:04Z")

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Maybe not the right place to ask, but..... How easy is it to put MQTT on a mobile phone to send messages? So when things happen, it sends a message (publishes) to a known host.

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## [Is there a dynamic way to set a nodes configuration node?](https://discourse.nodered.org/t/is-there-a-dynamic-way-to-set-a-nodes-configuration-node/53715)

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**Author:** [@erktrek](https://discourse.nodered.org/u/erktrek)\
**Replies:** 2\
**Last updated:** [15 November 2021 12:34 UTC](https://discourse.nodered.org/t/is-there-a-dynamic-way-to-set-a-nodes-configuration-node/53715 "2021-11-15T12:34:48Z")

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I am using the excellent "node-red-contrib-hubitat" nodes for communicating with my home automation hubs. Each hub connection requires a config node which is to be expected. I would like to be able to dynamically change …

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## [Deploy "Hangs" all of a sudden](https://discourse.nodered.org/t/deploy-hangs-all-of-a-sudden/53628)

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**Author:** [@mynoderocks](https://discourse.nodered.org/u/mynoderocks)\
**Replies:** 12\
**Last updated:** [15 November 2021 11:40 UTC](https://discourse.nodered.org/t/deploy-hangs-all-of-a-sudden/53628 "2021-11-15T11:40:55Z")

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Hi all, I dont have a complicated node red deployment simple - installed on Ubuntu Server (latest version) with the latest version of node red. I have three flows mostly read from MQTT and write into influx and all wor…

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## [Node-red-node-serialport not holding custom baud rate](https://discourse.nodered.org/t/node-red-node-serialport-not-holding-custom-baud-rate/53459)

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**Author:** [@vikingsraven](https://discourse.nodered.org/u/vikingsraven)\
**Replies:** 5\
**Last updated:** [15 November 2021 11:20 UTC](https://discourse.nodered.org/t/node-red-node-serialport-not-holding-custom-baud-rate/53459 "2021-11-15T11:20:50Z")

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HI all, just a heads up. I'm trying to run my lidar unit from node red, it another piece of kit that has a weird baud rate 230400, it works ok but occasionally the serial port in or out will default back to 57600. I…

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## [Where are node config token/secrets/API keys stored](https://discourse.nodered.org/t/where-are-node-config-token-secrets-api-keys-stored/53759)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 5\
**Last updated:** [15 November 2021 11:05 UTC](https://discourse.nodered.org/t/where-are-node-config-token-secrets-api-keys-stored/53759 "2021-11-15T11:05:10Z")

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Excuse my ignorance but I was wondering where these are stored in a normal Pi install I know that wherever that are they are stored encrypted and I assumed they were in the main flows.json file but I'm struggling to see…

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## [Get value of another node from a dialog of a node](https://discourse.nodered.org/t/get-value-of-another-node-from-a-dialog-of-a-node/53544)

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**Author:** [@heeboventure](https://discourse.nodered.org/u/heeboventure)\
**Replies:** 4\
**Last updated:** [15 November 2021 10:12 UTC](https://discourse.nodered.org/t/get-value-of-another-node-from-a-dialog-of-a-node/53544 "2021-11-15T10:12:25Z")

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Hi, I was wondering if I can get value of node B in a flow from a dialog of node A. For example, Here, I opened the dialog of 'answer' node. I would like to get the name value of 'comment' node in the flow (which …

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