# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=32

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

**Page:** 33

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## [Why does ui-control not work?](https://discourse.nodered.org/t/why-does-ui-control-not-work/98922)

<div class="topic-metadata">

**Author:** [@hyxdxhb1231](https://discourse.nodered.org/u/hyxdxhb1231)\
**Replies:** 5\
**Last updated:** [15 December 2025 11:56 UTC](https://discourse.nodered.org/t/why-does-ui-control-not-work/98922 "2025-12-15T11:56:11Z")

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this is the programme. Problem: Even when widgets: {disable: \['aaa1'\]}, the button remains enabled. Can you help identify why the ui-control component does not respect the disabled binding? \[ { "id": "b25a83…

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## [ECharts: A big thank you and a short question](https://discourse.nodered.org/t/echarts-a-big-thank-you-and-a-short-question/99334)

<div class="topic-metadata">

**Author:** [@ceysa75](https://discourse.nodered.org/u/ceysa75)\
**Replies:** 15\
**Last updated:** [15 December 2025 11:13 UTC](https://discourse.nodered.org/t/echarts-a-big-thank-you-and-a-short-question/99334 "2025-12-15T11:13:44Z")

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Dear all, First of all, I’d really like to thank you for switching the charts library and introducing ECharts. For the first time in years, I’m able to display multiple temperature curves simultaneously without knocking…

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## [High Dashboard v2 CPU Utilization](https://discourse.nodered.org/t/high-dashboard-v2-cpu-utilization/99824)

<div class="topic-metadata">

**Author:** [@Inq](https://discourse.nodered.org/u/Inq)\
**Replies:** 20\
**Last updated:** [14 December 2025 21:36 UTC](https://discourse.nodered.org/t/high-dashboard-v2-cpu-utilization/99824 "2025-12-14T21:36:12Z")

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In the beginning, in my cursory searches for visualizing MQTT data from IoT devices, I ran across Node-Red and the Node-Red dashboards. It led me to using the v1 dashboard. I’ve built about a dozen flows using it and f…

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## [\[Announce\] node-red-semantic-flow-language - Keeping Node-RED flows aligned with intent](https://discourse.nodered.org/t/announce-node-red-semantic-flow-language-keeping-node-red-flows-aligned-with-intent/99949)

<div class="topic-metadata">

**Author:** [@wshostak](https://discourse.nodered.org/u/wshostak)\
**Replies:** 0\
**Last updated:** [14 December 2025 18:46 UTC](https://discourse.nodered.org/t/announce-node-red-semantic-flow-language-keeping-node-red-flows-aligned-with-intent/99949 "2025-12-14T18:46:27Z")

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Over time, Node-RED flows tend to drift away from the intent that created them. Comments go stale, naming loses meaning, refactoring preserves behavior but not understanding, and AI-generated flows can accelerate this dr…

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## [Suggested Raspberry Pi Zero 2W setup using Node-Red and GPIO](https://discourse.nodered.org/t/suggested-raspberry-pi-zero-2w-setup-using-node-red-and-gpio/99926)

<div class="topic-metadata">

**Author:** [@JsTechX](https://discourse.nodered.org/u/JsTechX)\
**Replies:** 6\
**Last updated:** [14 December 2025 17:46 UTC](https://discourse.nodered.org/t/suggested-raspberry-pi-zero-2w-setup-using-node-red-and-gpio/99926 "2025-12-14T17:46:10Z")

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Seems after hours and days of scouring the web on this topic for both the Zero-2W and Zero1.x, there’s mixed info as to what is best setup to support GPIO as of 2025. Lots of web info from past year or so indicate possi…

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## [Node-red-node-pi-gpiod Read initial state of pin unreliable](https://discourse.nodered.org/t/node-red-node-pi-gpiod-read-initial-state-of-pin-unreliable/99806)

<div class="topic-metadata">

**Author:** [@colincoder](https://discourse.nodered.org/u/colincoder)\
**Replies:** 21\
**Last updated:** [14 December 2025 17:20 UTC](https://discourse.nodered.org/t/node-red-node-pi-gpiod-read-initial-state-of-pin-unreliable/99806 "2025-12-14T17:20:46Z")

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I have frequently used the node module called node-red-node-pi-gpio to read and write to the GPIO bus. However, the input node did not work reliably on my Pi W 2, particularly on Deploys. So I decided to try node-red-n…

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## [Switch Node: Pass on regexp matches with the msg](https://discourse.nodered.org/t/switch-node-pass-on-regexp-matches-with-the-msg/99936)

<div class="topic-metadata">

**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 35\
**Last updated:** [14 December 2025 13:06 UTC](https://discourse.nodered.org/t/switch-node-pass-on-regexp-matches-with-the-msg/99936 "2025-12-14T13:06:01Z")

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Hi there, I have this idea .... would it be possible to pass on the matches of a regexp in a switch node? The groupings in my regexp could be attached to the msg object and then used down the line ... instead of me …

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## [Flow/node to fade light in and out](https://discourse.nodered.org/t/flow-node-to-fade-light-in-and-out/99940)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [14 December 2025 12:33 UTC](https://discourse.nodered.org/t/flow-node-to-fade-light-in-and-out/99940 "2025-12-14T12:33:49Z")

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I'm looking for something that will output a value from 0 to 100 and then back down to 0 and repeat Anyone done/used/seen such a thing?

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## [Christmas Tree Light control](https://discourse.nodered.org/t/christmas-tree-light-control/99939)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 3\
**Last updated:** [13 December 2025 13:10 UTC](https://discourse.nodered.org/t/christmas-tree-light-control/99939 "2025-12-13T13:10:39Z")

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I bought some Kasa Smart WiFi Plug Mini, Model: HS103 last year and I created a small flow to control the string of LED's I have on our Christmas tree. It is a small flow: You just need the IP address of the Smart Pl…

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## [Icon Style at Dashboard 2.0](https://discourse.nodered.org/t/icon-style-at-dashboard-2-0/99895)

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**Author:** [@Olmuk](https://discourse.nodered.org/u/Olmuk)\
**Replies:** 7\
**Last updated:** [13 December 2025 09:37 UTC](https://discourse.nodered.org/t/icon-style-at-dashboard-2-0/99895 "2025-12-13T09:37:34Z")

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Hello, i am still confused how i can bring a icon into my dashboard in dependence of an input. Example: payload :1 = icon alert, payload 2. = icon standby. All i find are out of dashborad 1.0 or with switch or button …

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## [OpenAPI definition for Node-RED backend](https://discourse.nodered.org/t/openapi-definition-for-node-red-backend/99941)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 0\
**Last updated:** [13 December 2025 08:54 UTC](https://discourse.nodered.org/t/openapi-definition-for-node-red-backend/99941 "2025-12-13T08:54:01Z")

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Hi there this is an idea for a project but there isn't an "I have an Idea" category. So having created Browser-Red the serverless Node-RED and Erlang-Red the Erlang backed Node-RED editor, I've been playing around with…

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## [Disable wires/connections between nodes](https://discourse.nodered.org/t/disable-wires-connections-between-nodes/99857)

<div class="topic-metadata">

**Author:** [@rko](https://discourse.nodered.org/u/rko)\
**Replies:** 42\
**Last updated:** [12 December 2025 19:09 UTC](https://discourse.nodered.org/t/disable-wires-connections-between-nodes/99857 "2025-12-12T19:09:50Z")

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I would also like to bring back into focus a feature that was discussed in a 2022 forum thread: namely the ability to enable or disable a wire. In that discussion, it was mentioned that such a feature would require chang…

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## [How to change color of the gauge node?](https://discourse.nodered.org/t/how-to-change-color-of-the-gauge-node/99930)

<div class="topic-metadata">

**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 9\
**Last updated:** [12 December 2025 16:18 UTC](https://discourse.nodered.org/t/how-to-change-color-of-the-gauge-node/99930 "2025-12-12T16:18:48Z")

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Hi all: I'm using typ Gauge of the node and want to change the colors depending on some conditions befor the node. E.g. temp1\>temp2 ... all colors are red temp1 \<=temp2 .... all colors are gray Any idea hoe to imple…

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## [Javascript Object.keys() help](https://discourse.nodered.org/t/javascript-object-keys-help/99934)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 3\
**Last updated:** [12 December 2025 11:41 UTC](https://discourse.nodered.org/t/javascript-object-keys-help/99934 "2025-12-12T11:41:56Z")

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I must be missing something obvious, can someone explain, please, how this code const hasExtraProps = message =\> { const allowed = \['\_msgid', 'ui\_update', 'class', 'visible', 'enabled'\] console.log(\`message: ${JSON.…

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## [Dashboard 2.0 Error saving changes Chrome and Edge](https://discourse.nodered.org/t/dashboard-2-0-error-saving-changes-chrome-and-edge/99935)

<div class="topic-metadata">

**Author:** [@vikingsraven](https://discourse.nodered.org/u/vikingsraven)\
**Replies:** 0\
**Last updated:** [12 December 2025 11:20 UTC](https://discourse.nodered.org/t/dashboard-2-0-error-saving-changes-chrome-and-edge/99935 "2025-12-12T11:20:02Z")

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Hi, im generating a test program for work and im trying to edit the Dashboard in Chrome ( also tried Edge euchh!). The program runs fine and doing as expected but when i try to edit the Dashboard, i can get the edit icon…

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## [Persist dashboard state/context between restarts](https://discourse.nodered.org/t/persist-dashboard-state-context-between-restarts/99917)

<div class="topic-metadata">

**Author:** [@Semmu](https://discourse.nodered.org/u/Semmu)\
**Replies:** 12\
**Last updated:** [12 December 2025 09:44 UTC](https://discourse.nodered.org/t/persist-dashboard-state-context-between-restarts/99917 "2025-12-12T09:44:46Z")

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Hey everyone, I just started using Dashboard v2 recently to create a simple and easy-to-use interface for my parents to control some IoT stuff around the house. It is working perfectly, previously I had a decent experie…

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## [Connection error on telnet-send crashes node-red](https://discourse.nodered.org/t/connection-error-on-telnet-send-crashes-node-red/99928)

<div class="topic-metadata">

**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\
**Replies:** 5\
**Last updated:** [12 December 2025 09:11 UTC](https://discourse.nodered.org/t/connection-error-on-telnet-send-crashes-node-red/99928 "2025-12-12T09:11:52Z")

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Hello, i have a node-red instance running on kubernetes which works really fine in general. On that instance i'm controlling some media services for tv-broadcasting and one of it is CasparCG which uses AMCP protocol. T…

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## [Matter Smart Plugs with Node Red](https://discourse.nodered.org/t/matter-smart-plugs-with-node-red/99829)

<div class="topic-metadata">

**Author:** [@Inq](https://discourse.nodered.org/u/Inq)\
**Replies:** 14\
**Last updated:** [12 December 2025 01:15 UTC](https://discourse.nodered.org/t/matter-smart-plugs-with-node-red/99829 "2025-12-12T01:15:16Z")

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I have several DIY current sensors attached to my circuit breaker box using MQTT so I can monitor them in Node-Red. These I really like since I can use them on 120VAC or 240VAC, but I was looking for something so I didn…

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## [Copy and move files using node-red-contrib-filesystem](https://discourse.nodered.org/t/copy-and-move-files-using-node-red-contrib-filesystem/99896)

<div class="topic-metadata">

**Author:** [@Triman5](https://discourse.nodered.org/u/Triman5)\
**Replies:** 25\
**Last updated:** [11 December 2025 17:52 UTC](https://discourse.nodered.org/t/copy-and-move-files-using-node-red-contrib-filesystem/99896 "2025-12-11T17:52:18Z")

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Hello, I'm new to Node-Red and I'm looking for help on how to move a file from an N:\\ drive to C:\\image folder. However I get and error TypeError: The "path" argument must be of type string. Received undefined. I plan …

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## [Tia Portal - S7 1200 OPC UA -\> NODE RED](https://discourse.nodered.org/t/tia-portal-s7-1200-opc-ua-node-red/99761)

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**Author:** [@josefransilva](https://discourse.nodered.org/u/josefransilva)\
**Replies:** 2\
**Last updated:** [11 December 2025 13:51 UTC](https://discourse.nodered.org/t/tia-portal-s7-1200-opc-ua-node-red/99761 "2025-12-11T13:51:45Z")

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Good morning to all! Im developing a program to a machine to read a sensor of each part made of to count the number of parts by reference. But at this time i have the program on the plc working, in UA Expert i can see …

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## [Ui-page dynamic class](https://discourse.nodered.org/t/ui-page-dynamic-class/99918)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 8\
**Last updated:** [11 December 2025 13:45 UTC](https://discourse.nodered.org/t/ui-page-dynamic-class/99918 "2025-12-11T13:45:35Z")

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You can give a widget a custom class "foo": And in dev tools you can see Inject ui\_update = {"class": "bar"}, then you see And with a ui-page, you can set a custom class "foo" and the dev tools shows it I…

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## [CSS Styling in Dashboard 2.0: Table Node](https://discourse.nodered.org/t/css-styling-in-dashboard-2-0-table-node/99899)

<div class="topic-metadata">

**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 13\
**Last updated:** [11 December 2025 13:09 UTC](https://discourse.nodered.org/t/css-styling-in-dashboard-2-0-table-node/99899 "2025-12-11T13:09:34Z")

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Nostalgic for Dashboard 1.0, I'd like to recreate the look of a table in Dashboard 2.0. To start, I'd like the rows to change color depending on whether the rows change color to even or odd. To begin: I added a Temp…

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## [Help with Date/Time Formatter node](https://discourse.nodered.org/t/help-with-date-time-formatter-node/99914)

<div class="topic-metadata">

**Author:** [@slv07](https://discourse.nodered.org/u/slv07)\
**Replies:** 15\
**Last updated:** [11 December 2025 10:40 UTC](https://discourse.nodered.org/t/help-with-date-time-formatter-node/99914 "2025-12-11T10:40:09Z")

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Hello, I'm trying to send a timestamp of local time including daylight saving to a remotes ESP32. I've attached the flow of my attempt, but there is no 'translation' of the timestamp from UTC to local Date/Time. The rem…

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## [Creating a loop](https://discourse.nodered.org/t/creating-a-loop/99912)

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**Author:** [@Jimbo84](https://discourse.nodered.org/u/Jimbo84)\
**Replies:** 6\
**Last updated:** [10 December 2025 14:08 UTC](https://discourse.nodered.org/t/creating-a-loop/99912 "2025-12-10T14:08:39Z")

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Hi We have NodeRed running in a docker and as part of teh process I need to send a file to a windows machine which processes the file and then outputs a new file. I need to build a process in NodeRed which outputs the f…

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## [Using Cloudflare Zero Trust with Node-RED](https://discourse.nodered.org/t/using-cloudflare-zero-trust-with-node-red/99864)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 11\
**Last updated:** [10 December 2025 12:27 UTC](https://discourse.nodered.org/t/using-cloudflare-zero-trust-with-node-red/99864 "2025-12-10T12:27:00Z")

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Hi all, finally got round to starting a comprehensive guide to setting up Cloudflare's Zero Trust proxy access. This is the first draft, please let me know of any issues. Note that this has been taken direct from the UI…

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## [How to set a path or routing with node-red-contrib-cip-ethernet-ip-enhanced to communicated with Controllogix PLC](https://discourse.nodered.org/t/how-to-set-a-path-or-routing-with-node-red-contrib-cip-ethernet-ip-enhanced-to-communicated-with-controllogix-plc/99908)

<div class="topic-metadata">

**Author:** [@Fehero07nodered](https://discourse.nodered.org/u/Fehero07nodered)\
**Replies:** 5\
**Last updated:** [10 December 2025 10:17 UTC](https://discourse.nodered.org/t/how-to-set-a-path-or-routing-with-node-red-contrib-cip-ethernet-ip-enhanced-to-communicated-with-controllogix-plc/99908 "2025-12-10T10:17:53Z")

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Hello everyone, I need your help to know how to set a path or routing with node-red-contrib-cip-ethernet-ip-enhanced for communicated with Controllogix PLC. I have a PLC destiny in a controlnet lan and a PLC bright by et…

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## [AI Magic in Node-RED (free)](https://discourse.nodered.org/t/ai-magic-in-node-red-free/96774)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 12\
**Last updated:** [10 December 2025 09:55 UTC](https://discourse.nodered.org/t/ai-magic-in-node-red-free/96774 "2025-12-10T09:55:17Z")

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I have been working on a subflow (WIP) that utilises an AI integration built around the Pollinations API. This API is completely free to use - without authication/keys and gives various capabilities with many models: T…

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## [openApi-red without SSL](https://discourse.nodered.org/t/openapi-red-without-ssl/99900)

<div class="topic-metadata">

**Author:** [@beatstieger](https://discourse.nodered.org/u/beatstieger)\
**Replies:** 3\
**Last updated:** [10 December 2025 07:39 UTC](https://discourse.nodered.org/t/openapi-red-without-ssl/99900 "2025-12-10T07:39:54Z")

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Hi everyone. Not sure where to put my question: Just discovered nodeRED this week, it's like chistmas came earlier ::slight\_smile: To access openAPI of FireFly (https://api-docs.firefly-iii.org/) in a Docker container,…

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## [OPCUA stuck at connecting](https://discourse.nodered.org/t/opcua-stuck-at-connecting/99906)

<div class="topic-metadata">

**Author:** [@Vignesh21](https://discourse.nodered.org/u/Vignesh21)\
**Replies:** 0\
**Last updated:** [9 December 2025 16:56 UTC](https://discourse.nodered.org/t/opcua-stuck-at-connecting/99906 "2025-12-09T16:56:19Z")

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Hi, Experrts need your help, I have problem with OPCUA node, stuck at connecting, This happens when OPC UA server is restarted . this is my flow, can you please advise on how to fix it. ( i dont use any certificates)

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## [Dashboard 2.0 table set custom CSS](https://discourse.nodered.org/t/dashboard-2-0-table-set-custom-css/99905)

<div class="topic-metadata">

**Author:** [@Filip\_Top](https://discourse.nodered.org/u/Filip_Top)\
**Replies:** 1\
**Last updated:** [9 December 2025 16:14 UTC](https://discourse.nodered.org/t/dashboard-2-0-table-set-custom-css/99905 "2025-12-09T16:14:26Z")

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I used the table node from dashboard 2.0 and find it very easy to use. The only problem is that I use it on some production screens, and that the font is much too small to read from distance. Can you make changes to the…

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