# Latest

**URL:** https://discourse.nodered.org/latest.md?page=692

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

**Page:** 693

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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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## [Calling data from influxdb based on customer requirement](https://discourse.nodered.org/t/calling-data-from-influxdb-based-on-customer-requirement/53809)

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**Author:** [@Grimm1007](https://discourse.nodered.org/u/Grimm1007)\
**Replies:** 5\
**Last updated:** [16 November 2021 10:51 UTC](https://discourse.nodered.org/t/calling-data-from-influxdb-based-on-customer-requirement/53809 "2021-11-16T10:51:38Z")

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Hi, very new to node red and influxdb, I am working on a project that has to allow a user to call batch data from influxdb, i understand that we need to use query to get the data from influxdb but is there a way to have …

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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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## [Ui\_table column size not working in raspberry pi browser](https://discourse.nodered.org/t/ui-table-column-size-not-working-in-raspberry-pi-browser/53807)

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**Author:** [@xjust](https://discourse.nodered.org/u/xjust)\
**Replies:** 1\
**Last updated:** [16 November 2021 09:48 UTC](https://discourse.nodered.org/t/ui-table-column-size-not-working-in-raspberry-pi-browser/53807 "2021-11-16T09:48:08Z")

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Hi there, Cant seem to make ui\_table custom column size work on linux (tested on rasbian with chromium and firefox), it works perfectly on windows. The tables are defined in percentages. When the page is loaded the co…

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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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## [Form data to database](https://discourse.nodered.org/t/form-data-to-database/11100)

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**Author:** [@purnima](https://discourse.nodered.org/u/purnima)\
**Replies:** 26\
**Last updated:** [16 November 2021 00:09 UTC](https://discourse.nodered.org/t/form-data-to-database/11100 "2021-11-16T00:09:52Z")

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I am trying to insert the form values in mysql using xampp server, but it is showing this error. please help.

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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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## [Up down counter](https://discourse.nodered.org/t/up-down-counter/53785)

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**Author:** [@evanic14](https://discourse.nodered.org/u/evanic14)\
**Replies:** 12\
**Last updated:** [15 November 2021 21:16 UTC](https://discourse.nodered.org/t/up-down-counter/53785 "2021-11-15T21:16:13Z")

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Hi, I would like to create a simple up and down counter. Tap the + button once, the value goes up. Tap the - button once the value goes down. There should aslo be a reset button. I have found two libraries one of them on…

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## [Finden und löschen](https://discourse.nodered.org/t/finden-und-loschen/53787)

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**Author:** [@Herbert](https://discourse.nodered.org/u/Herbert)\
**Replies:** 2\
**Last updated:** [15 November 2021 20:46 UTC](https://discourse.nodered.org/t/finden-und-loschen/53787 "2021-11-15T20:46:59Z")

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Hallo. Ich nutze die SSD um von der Kamera Bilder zu speichern. Nach einiger Zeit müssen die Bilder gelöscht werden. Den Befehl Dateien nach 60 Tagen zu löschen wollte ich hiermit machen, geht aber nicht: find /media/K…

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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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## [\[Announce\] node-red-contrib-ui-artless-gauge 0.3.0 ... 3, 4, 5](https://discourse.nodered.org/t/announce-node-red-contrib-ui-artless-gauge-0-3-0-3-4-5/37633)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 11\
**Last updated:** [15 November 2021 17:08 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-artless-gauge-0-3-0-3-4-5/37633 "2021-11-15T17:08:18Z")

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This update brings some new features for radial layout. The unit can be shown inline with value Which then adds option to use secondary value field Which all together allows you to do this Enjoy :slight\_smile:

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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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## [Grouped Tabs in Editor](https://discourse.nodered.org/t/grouped-tabs-in-editor/52124)

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**Author:** [@Hubertus](https://discourse.nodered.org/u/Hubertus)\
**Replies:** 4\
**Last updated:** [15 November 2021 14:57 UTC](https://discourse.nodered.org/t/grouped-tabs-in-editor/52124 "2021-11-15T14:57:09Z")

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Grouped tabs in the editor. Hiding and unhiding them is good, but if you need all the tabs it remains confusing. I have several tabs that I could group together (e.g. living room - light, heating, shutter etc.). Google C…

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## [Dynamically changing text color](https://discourse.nodered.org/t/dynamically-changing-text-color/53766)

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**Author:** [@shaunfish](https://discourse.nodered.org/u/shaunfish)\
**Replies:** 4\
**Last updated:** [15 November 2021 14:33 UTC](https://discourse.nodered.org/t/dynamically-changing-text-color/53766 "2021-11-15T14:33:04Z")

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Hi Can someone please check my code and tell me why the text on the dashboard for the sporadic E entry is not changing. \[{"id":"d78a34f9.756958","type":"tab","label":"Weather","disabled":false,"info":""},{"id":"ee142ab…

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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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## [\[Feature Request\]Add msg.flush to trigger as per delay node](https://discourse.nodered.org/t/feature-request-add-msg-flush-to-trigger-as-per-delay-node/53549)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 5\
**Last updated:** [15 November 2021 14:14 UTC](https://discourse.nodered.org/t/feature-request-add-msg-flush-to-trigger-as-per-delay-node/53549 "2021-11-15T14:14:35Z")

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The msg.flush has proved very useful for the delay node and it would be handy to have it in the trigger node as well I'm thinking on msg.flush=true, it should do the pre-configured 2nd action

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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)

<div class="topic-metadata">

**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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