# Latest

**URL:** https://discourse.nodered.org/latest.md?page=207

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

**Page:** 208

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## [How to correctly call OPC UA BROWSE node in a loop?](https://discourse.nodered.org/t/how-to-correctly-call-opc-ua-browse-node-in-a-loop/87261)

<div class="topic-metadata">

**Author:** [@trexnickel](https://discourse.nodered.org/u/trexnickel)\
**Replies:** 0\
**Last updated:** [16 April 2024 05:46 UTC](https://discourse.nodered.org/t/how-to-correctly-call-opc-ua-browse-node-in-a-loop/87261 "2024-04-16T05:46:26Z")

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Hi, I am learning opc ua and using node-red OPC UA nodes to create a flow where I can read all the variables periodically. After getting the complete address space of thr OPC UA server, I filtered out all the variable r…

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## [Improving Parsing Security camera JSON data](https://discourse.nodered.org/t/improving-parsing-security-camera-json-data/87104)

<div class="topic-metadata">

**Author:** [@lorenjz](https://discourse.nodered.org/u/lorenjz)\
**Replies:** 6\
**Last updated:** [16 April 2024 05:42 UTC](https://discourse.nodered.org/t/improving-parsing-security-camera-json-data/87104 "2024-04-16T05:42:50Z")

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Hello, I have a zoneminder system that sends motion data to node red via MQTT. Currently I parse that data with a function node. A while back I read that using function nodes isn't very efficient. What I'm looking to…

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## [Doubt with data from Mysql A NodeRed and graph it](https://discourse.nodered.org/t/doubt-with-data-from-mysql-a-nodered-and-graph-it/87256)

<div class="topic-metadata">

**Author:** [@LilGrundy](https://discourse.nodered.org/u/LilGrundy)\
**Replies:** 7\
**Last updated:** [15 April 2024 21:58 UTC](https://discourse.nodered.org/t/doubt-with-data-from-mysql-a-nodered-and-graph-it/87256 "2024-04-15T21:58:21Z")

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Good day colleagues, I have a question, it turns out that I am trying to extract data from the MySql table, and make a push to graph it in a chart, all with a date range, it turns out that it does not give any error some…

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## [Better support for external nodes](https://discourse.nodered.org/t/better-support-for-external-nodes/87239)

<div class="topic-metadata">

**Author:** [@anttiryt](https://discourse.nodered.org/u/anttiryt)\
**Replies:** 4\
**Last updated:** [15 April 2024 19:06 UTC](https://discourse.nodered.org/t/better-support-for-external-nodes/87239 "2024-04-15T19:06:53Z")

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I have a project where are lots of active places in different rooms. I can control all with one node-red but due to cabling and other issues I'd like to have an arduino externally from Node-RED and talk to it over ether…

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## [Help for using cytoscape on node-red](https://discourse.nodered.org/t/help-for-using-cytoscape-on-node-red/87254)

<div class="topic-metadata">

**Author:** [@spereg53](https://discourse.nodered.org/u/spereg53)\
**Replies:** 2\
**Last updated:** [15 April 2024 18:47 UTC](https://discourse.nodered.org/t/help-for-using-cytoscape-on-node-red/87254 "2024-04-15T18:47:18Z")

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somebody,can helpme to use cytoscape with some example on node-red version 3.1.6 installed on raspberry pi 5,bookworn,64bits,thanks

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## [RGB inject Lidl vs. Hue Strips](https://discourse.nodered.org/t/rgb-inject-lidl-vs-hue-strips/87252)

<div class="topic-metadata">

**Author:** [@cairon](https://discourse.nodered.org/u/cairon)\
**Replies:** 0\
**Last updated:** [15 April 2024 17:37 UTC](https://discourse.nodered.org/t/rgb-inject-lidl-vs-hue-strips/87252 "2024-04-15T17:37:53Z")

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Hi there, I have a little living room light project here with a big problem. I am analyzing the Vibrant color in the cover picture of the current song with the vibrant node of node-red, converting the color to RGB colo…

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## [Image dashboard](https://discourse.nodered.org/t/image-dashboard/87245)

<div class="topic-metadata">

**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\
**Replies:** 0\
**Last updated:** [15 April 2024 10:17 UTC](https://discourse.nodered.org/t/image-dashboard/87245 "2024-04-15T10:17:59Z")

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hello how i can delete the shadow of rectangle i want only the pic to be showed N.B: the pic is by SVG node

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## [Ultrasonic Distance Sensor node - revisited](https://discourse.nodered.org/t/ultrasonic-distance-sensor-node-revisited/87233)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 2\
**Last updated:** [15 April 2024 07:31 UTC](https://discourse.nodered.org/t/ultrasonic-distance-sensor-node-revisited/87233 "2024-04-15T07:31:52Z")

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Just found an ultrasonic distance sensor node one of my IoT students built a few years ago. As an exercise I've flashed the Wemos D1 Mini (the microcontroller the student used) with Micro-Python and uploaded this …

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## [Changing border color](https://discourse.nodered.org/t/changing-border-color/87184)

<div class="topic-metadata">

**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\
**Replies:** 4\
**Last updated:** [14 April 2024 21:26 UTC](https://discourse.nodered.org/t/changing-border-color/87184 "2024-04-14T21:26:46Z")

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hello everyone i want the leds appear in rectangle so i want to change the width and color of border of node led , i want to diverse the ship image in zones so every zone in a rectangle which appear the led can anyo…

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## [Error spreadsheet](https://discourse.nodered.org/t/error-spreadsheet/87132)

<div class="topic-metadata">

**Author:** [@Gravino](https://discourse.nodered.org/u/Gravino)\
**Replies:** 14\
**Last updated:** [14 April 2024 20:12 UTC](https://discourse.nodered.org/t/error-spreadsheet/87132 "2024-04-14T20:12:03Z")

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hello every one, i'm new in node red i would like to use spreadsheet to read value from excel but i'm getting this error , i hope some one can help me i also tried this

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## [Jsonata, modify some elements in an array of objects](https://discourse.nodered.org/t/jsonata-modify-some-elements-in-an-array-of-objects/87216)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 13\
**Last updated:** [14 April 2024 16:25 UTC](https://discourse.nodered.org/t/jsonata-modify-some-elements-in-an-array-of-objects/87216 "2024-04-14T16:25:22Z")

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Speaking of the names of debug nodes, @Colin recently said And I too have "debug 2514" etc So I thought "yes a simple flow to rename them ..." I can get a subset of flows.json, the offending nodes, using Jsonata in a…

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## [Raspberry Pi 5 Fan or Not?](https://discourse.nodered.org/t/raspberry-pi-5-fan-or-not/87235)

<div class="topic-metadata">

**Author:** [@acestu](https://discourse.nodered.org/u/acestu)\
**Replies:** 6\
**Last updated:** [14 April 2024 16:20 UTC](https://discourse.nodered.org/t/raspberry-pi-5-fan-or-not/87235 "2024-04-14T16:20:07Z")

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Hi, I am just waiting for my raspberry pi 5 and so I have printed a case for it, now this case does have vents but no fan mount, should this be ok for node red running 20 sensor inputs to gauges, doing some research peo…

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## [Remote Access to NodeRed(nr)](https://discourse.nodered.org/t/remote-access-to-nodered-nr/86867)

<div class="topic-metadata">

**Author:** [@rfg9585](https://discourse.nodered.org/u/rfg9585)\
**Replies:** 18\
**Last updated:** [14 April 2024 15:24 UTC](https://discourse.nodered.org/t/remote-access-to-nodered-nr/86867 "2024-04-14T15:24:53Z")

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i am running my laptop on my home net and my cerbo is connected on my rv net. i connected my laptop to my rv net and bamb, i could access nr on my cerbo. not a big network person so not sure how to resolve this, but see…

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## [Estou tendo problemas para rodar o node red](https://discourse.nodered.org/t/estou-tendo-problemas-para-rodar-o-node-red/87226)

<div class="topic-metadata">

**Author:** [@valdir1](https://discourse.nodered.org/u/valdir1)\
**Replies:** 2\
**Last updated:** [14 April 2024 12:42 UTC](https://discourse.nodered.org/t/estou-tendo-problemas-para-rodar-o-node-red/87226 "2024-04-14T12:42:24Z")

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podem me ajudar? estou tendo problemas para instalar ja tentei pelos codigos: (npm install -g --unsafe-perm node-red) \`\`\`(npm install -g node-red-admin) apresentando o mesmo erro na hora de rodar 13 Apr 18:54:13 - \[i…

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## [DFROBOT GP8302 Javascript function with I2Coutput node](https://discourse.nodered.org/t/dfrobot-gp8302-javascript-function-with-i2coutput-node/87232)

<div class="topic-metadata">

**Author:** [@Francois](https://discourse.nodered.org/u/Francois)\
**Replies:** 0\
**Last updated:** [14 April 2024 12:07 UTC](https://discourse.nodered.org/t/dfrobot-gp8302-javascript-function-with-i2coutput-node/87232 "2024-04-14T12:07:37Z")

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Hi there. If you need to drive a GP8302 (Digital to analog current converter), here is the code i wrote with the help of chagpt after few hours of tries. in a javascript function in the dashboard with I2C nodes. ========…

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## [🎉 Node-RED 1.0.0-beta.2 released](https://discourse.nodered.org/t/node-red-1-0-0-beta-2-released/11504)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 67\
**Last updated:** [11 August 2019 14:00 UTC](https://discourse.nodered.org/t/node-red-1-0-0-beta-2-released/11504 "2019-08-11T14:00:56Z")

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We have just released the first public beta release of Node-RED 1.0. The changes in this release are mostly focused on the editor - and there are some significant changes in there. Editor CSS restructuring This is prob…

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## [Accessing CerboGX](https://discourse.nodered.org/t/accessing-cerbogx/87217)

<div class="topic-metadata">

**Author:** [@rfg9585](https://discourse.nodered.org/u/rfg9585)\
**Replies:** 3\
**Last updated:** [13 April 2024 19:49 UTC](https://discourse.nodered.org/t/accessing-cerbogx/87217 "2024-04-13T19:49:28Z")

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I posted on Victron site but no luck with answer. Anyone here have the detail steps to remedy this situation? I ran a flow accessing NR via vrm on my window11 box connected to my cerbogx. How can I from my w11 laptop …

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## [Just can't get external modules to load properly on function node](https://discourse.nodered.org/t/just-cant-get-external-modules-to-load-properly-on-function-node/87215)

<div class="topic-metadata">

**Author:** [@sosukeinu](https://discourse.nodered.org/u/sosukeinu)\
**Replies:** 5\
**Last updated:** [13 April 2024 17:12 UTC](https://discourse.nodered.org/t/just-cant-get-external-modules-to-load-properly-on-function-node/87215 "2024-04-13T17:12:06Z")

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Hello, I'm running Node-Red version 1.3.9 using Docker. I am binding the /data directory to a local folder. No problems there. I've edited settings, and installed custom nodes through the palette manager, and everything…

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## [Ui-table Need help](https://discourse.nodered.org/t/ui-table-need-help/87183)

<div class="topic-metadata">

**Author:** [@Larspalmqvistdk](https://discourse.nodered.org/u/Larspalmqvistdk)\
**Replies:** 1\
**Last updated:** [13 April 2024 06:07 UTC](https://discourse.nodered.org/t/ui-table-need-help/87183 "2024-04-13T06:07:58Z")

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Hi i need serius help now, before i loose my sanity. i have a flow with two function nodes one sends msg.ui-control for setting up a tabulator table. that works fine . the other sends am objectarray for data, and that is…

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## [Clearing unused chart variables](https://discourse.nodered.org/t/clearing-unused-chart-variables/87210)

<div class="topic-metadata">

**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\
**Replies:** 1\
**Last updated:** [12 April 2024 22:52 UTC](https://discourse.nodered.org/t/clearing-unused-chart-variables/87210 "2024-04-12T22:52:05Z")

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I have a chart that I was trying different variables (topics) on it and I am saving the chart data for 4 days, and I have made name changes (topics) how do I clear out the old ones that I no longer use that show up in th…

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## [Use a js file in NodeJs and VueJs](https://discourse.nodered.org/t/use-a-js-file-in-nodejs-and-vuejs/86842)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 5\
**Last updated:** [12 April 2024 21:55 UTC](https://discourse.nodered.org/t/use-a-js-file-in-nodejs-and-vuejs/86842 "2024-04-12T21:55:03Z")

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Hi folks, I have a js file containing a series of functions. I want to call those functions both in my ui node backend js file, and also in my ui node frontend vue file. The js file is included in the frontend umd fil…

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## [Exec Spawn message break conditions](https://discourse.nodered.org/t/exec-spawn-message-break-conditions/87165)

<div class="topic-metadata">

**Author:** [@PBn](https://discourse.nodered.org/u/PBn)\
**Replies:** 2\
**Last updated:** [12 April 2024 20:50 UTC](https://discourse.nodered.org/t/exec-spawn-message-break-conditions/87165 "2024-04-12T20:50:44Z")

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Hello, I am trying to produce a fourier transform of some sensor data, an external python script is sampling a sensor, preforming a fft and trying to return some data at ~1sec intervals. I am spawning the exec (with the…

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## [How to use Application Key in HTTP Request](https://discourse.nodered.org/t/how-to-use-application-key-in-http-request/87206)

<div class="topic-metadata">

**Author:** [@novski](https://discourse.nodered.org/u/novski)\
**Replies:** 3\
**Last updated:** [12 April 2024 19:26 UTC](https://discourse.nodered.org/t/how-to-use-application-key-in-http-request/87206 "2024-04-12T19:26:59Z")

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Ho can i use an APP API Key in a http-request node? Octoprint uses a app api key to secure the api...

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## [Node editing not responsive](https://discourse.nodered.org/t/node-editing-not-responsive/87201)

<div class="topic-metadata">

**Author:** [@CowboyBootsSP](https://discourse.nodered.org/u/CowboyBootsSP)\
**Replies:** 3\
**Last updated:** [12 April 2024 18:46 UTC](https://discourse.nodered.org/t/node-editing-not-responsive/87201 "2024-04-12T18:46:12Z")

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I use Node Red installed as an addon on my home assistant. Now, it's quite often that I double-click on a node to edit it or press Enter but nothing happens. I looked for errors at all sort of logs, but nothing is found.…

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## [Assignment in conditional expression](https://discourse.nodered.org/t/assignment-in-conditional-expression/87202)

<div class="topic-metadata">

**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 2\
**Last updated:** [12 April 2024 16:46 UTC](https://discourse.nodered.org/t/assignment-in-conditional-expression/87202 "2024-04-12T16:46:22Z")

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Hi wehr is my error? var gridpower=flow.get('gridpower') || 0; if (msg.payload =1 && gridpower !=0){ msg.payload=0; } I always become the yellow question mark with assignment in conditional expression in front of …

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## [There's is surely a better way than copy-paste the same panel?](https://discourse.nodered.org/t/theres-is-surely-a-better-way-than-copy-paste-the-same-panel/87199)

<div class="topic-metadata">

**Author:** [@el\_pablo](https://discourse.nodered.org/u/el_pablo)\
**Replies:** 4\
**Last updated:** [12 April 2024 16:09 UTC](https://discourse.nodered.org/t/theres-is-surely-a-better-way-than-copy-paste-the-same-panel/87199 "2024-04-12T16:09:39Z")

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Hey guys, I have a class of the students that must send data through MQTT with an Arduino. Each student has its panel. When adding a new student, I must duplicate a series of components. I'm pretty sure there's a be…

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## [Reconnecting automatically](https://discourse.nodered.org/t/reconnecting-automatically/86539)

<div class="topic-metadata">

**Author:** [@AlanL](https://discourse.nodered.org/u/AlanL)\
**Replies:** 5\
**Last updated:** [12 April 2024 12:55 UTC](https://discourse.nodered.org/t/reconnecting-automatically/86539 "2024-04-12T12:55:31Z")

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I'm pretty new to node red and still pretty wet behind the ears with PLCs so I'm hoping that this is a simple answer but I haven't had any luck on google or the forums so I figured I'd go ahead and post to see if some ex…

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## [Node-red-node-email Nodemailer config](https://discourse.nodered.org/t/node-red-node-email-nodemailer-config/87179)

<div class="topic-metadata">

**Author:** [@Bobo](https://discourse.nodered.org/u/Bobo)\
**Replies:** 3\
**Last updated:** [12 April 2024 11:07 UTC](https://discourse.nodered.org/t/node-red-node-email-nodemailer-config/87179 "2024-04-12T11:07:01Z")

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A number of years ago (literally) I made the below feature request regarding the Nodemailer config in the email node. Oddly enough for this group I never received a single reply. :hugs: After all these years, the issue …

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## [K8s Restoring a NodeRed Instance with Projects](https://discourse.nodered.org/t/k8s-restoring-a-nodered-instance-with-projects/86983)

<div class="topic-metadata">

**Author:** [@brad2190](https://discourse.nodered.org/u/brad2190)\
**Replies:** 1\
**Last updated:** [12 April 2024 09:26 UTC](https://discourse.nodered.org/t/k8s-restoring-a-nodered-instance-with-projects/86983 "2024-04-12T09:26:59Z")

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I have several scripts that backup the NodeRed data directory including all the configurations and directories for restoration to new instances on other k8s clusters, however I come across random issues whereby when the …

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## [Flows.nodered.org node-red-contrib-ocpp2 page](https://discourse.nodered.org/t/flows-nodered-org-node-red-contrib-ocpp2-page/85765)

<div class="topic-metadata">

**Author:** [@kitori](https://discourse.nodered.org/u/kitori)\
**Replies:** 3\
**Last updated:** [12 April 2024 08:22 UTC](https://discourse.nodered.org/t/flows-nodered-org-node-red-contrib-ocpp2-page/85765 "2024-04-12T08:22:59Z")

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I don't know if this is this is the right place, but the flow page of the node node-red-contrib-ocpp2 seems broken, because there ist a h2 Element in front off everything. The links to github etc. are behind this element…

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