# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=30

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

**Page:** 31

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## [Should debug nodes be capable of passing the message forwards?](https://discourse.nodered.org/t/should-debug-nodes-be-capable-of-passing-the-message-forwards/95044)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 115\
**Last updated:** [31 December 2025 15:25 UTC](https://discourse.nodered.org/t/should-debug-nodes-be-capable-of-passing-the-message-forwards/95044 "2025-12-31T15:25:47Z")

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In a recent thread @TotallyInformation pointed out that a node having two output wires results in Node-red cloning the entire message object. If this is the case, how much extra processing / memory does this consume? …

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## [First flow on all my RPIs](https://discourse.nodered.org/t/first-flow-on-all-my-rpis/88878)

<div class="topic-metadata">

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 25\
**Last updated:** [31 December 2025 12:38 UTC](https://discourse.nodered.org/t/first-flow-on-all-my-rpis/88878 "2025-12-31T12:38:11Z")

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I found this flow helpfull and it is growing over time. It has a function library, global variables, some usefull cron nodes, a central http request, a telegram output etc.... \[{"id":"b263e6b23d8eb759","type":"tab","…

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## [Help: PDF to PNG](https://discourse.nodered.org/t/help-pdf-to-png/100054)

<div class="topic-metadata">

**Author:** [@leftymuller](https://discourse.nodered.org/u/leftymuller)\
**Replies:** 0\
**Last updated:** [31 December 2025 07:57 UTC](https://discourse.nodered.org/t/help-pdf-to-png/100054 "2025-12-31T07:57:52Z")

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G;day Gents, Been trying to use PDF to PNG node @martip/node-red-pdf-to-png It seems that the PDF to PNG node is not doing what its suppose to? the payload should contain a base64 PNG file of the PDF which its not.…

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## [Execute systemctl commands from nodered on remote system?](https://discourse.nodered.org/t/execute-systemctl-commands-from-nodered-on-remote-system/100044)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 5\
**Last updated:** [31 December 2025 01:46 UTC](https://discourse.nodered.org/t/execute-systemctl-commands-from-nodered-on-remote-system/100044 "2025-12-31T01:46:28Z")

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Execute systemctl commands from nodered on remote system? Since I am not running NR under root context, trying to find ways to do this. For example via exec node: $ sudo systemctl --host=nodered@192.168.1.251 restart …

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## [Raspberry pi 5 GPIO, I2C, SPI](https://discourse.nodered.org/t/raspberry-pi-5-gpio-i2c-spi/100030)

<div class="topic-metadata">

**Author:** [@adk\_MechETech](https://discourse.nodered.org/u/adk_MechETech)\
**Replies:** 5\
**Last updated:** [30 December 2025 22:22 UTC](https://discourse.nodered.org/t/raspberry-pi-5-gpio-i2c-spi/100030 "2025-12-30T22:22:53Z")

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I have been using my best google-fu to figure out WTF is going on with Node-Red and the RPI5 GPIO. I have found several references to various libraries and dependencies and some Nodes that appear to do what I want. Som…

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## [Industrial Shields/simple node red plc opinion gathering](https://discourse.nodered.org/t/industrial-shields-simple-node-red-plc-opinion-gathering/100038)

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**Author:** [@Utorque](https://discourse.nodered.org/u/Utorque)\
**Replies:** 4\
**Last updated:** [30 December 2025 11:43 UTC](https://discourse.nodered.org/t/industrial-shields-simple-node-red-plc-opinion-gathering/100038 "2025-12-30T11:43:25Z")

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Hi everyone, For a plastic recycling factory that we'll create for an association (small project, non-professional), I am looking for the easiest way to wire all of our machines in a PLC. Given our staff and scale, cost…

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## [Travelling Salesman - Logistics Problem](https://discourse.nodered.org/t/travelling-salesman-logistics-problem/100045)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 1\
**Last updated:** [30 December 2025 11:22 UTC](https://discourse.nodered.org/t/travelling-salesman-logistics-problem/100045 "2025-12-30T11:22:50Z")

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One of my IoT students has been exploring the classical Travelling Salesman Problem and came across an excellent write-up produced by a graduate at the University of Pittsburgh. The document contains a substantial amoun…

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## [DB V2 - Revisit: bar chart to track daily number of starts stopped working with 1.30.0](https://discourse.nodered.org/t/db-v2-revisit-bar-chart-to-track-daily-number-of-starts-stopped-working-with-1-30-0/99957)

<div class="topic-metadata">

**Author:** [@houser](https://discourse.nodered.org/u/houser)\
**Replies:** 10\
**Last updated:** [29 December 2025 22:52 UTC](https://discourse.nodered.org/t/db-v2-revisit-bar-chart-to-track-daily-number-of-starts-stopped-working-with-1-30-0/99957 "2025-12-29T22:52:10Z")

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Dear @rakgupta Your excellent flow from August this year stopped working with the latest version of flow fuse dbv2,1.30.0 I have tried to troubleshoot but it does not draw the bar charts anymore fr som reason and it i…

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## [Hi need a bit of guidance](https://discourse.nodered.org/t/hi-need-a-bit-of-guidance/100043)

<div class="topic-metadata">

**Author:** [@montyfert](https://discourse.nodered.org/u/montyfert)\
**Replies:** 2\
**Last updated:** [29 December 2025 22:04 UTC](https://discourse.nodered.org/t/hi-need-a-bit-of-guidance/100043 "2025-12-29T22:04:15Z")

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i have a switch node that outputs either true or false . when it outputs true i want it to publish (cmnd/tasmota\_dht11/TelePeriod 10) and when it outputs false i want it to publish )cmnd/tasmota\_dht11/TelePeriod 40) m…

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## [Node-red-matter-controller is giving me a headache](https://discourse.nodered.org/t/node-red-matter-controller-is-giving-me-a-headache/100001)

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**Author:** [@hominidae](https://discourse.nodered.org/u/hominidae)\
**Replies:** 4\
**Last updated:** [29 December 2025 16:12 UTC](https://discourse.nodered.org/t/node-red-matter-controller-is-giving-me-a-headache/100001 "2025-12-29T16:12:55Z")

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Hi Folks, I've started some testing with node-red-matter-controller from @sammachin and after some trial and error, I have it working, but the experience is a bit flaky. TL:DR -\> After moving into a new home, I started…

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## [Gauge-node is not able to be filled from center](https://discourse.nodered.org/t/gauge-node-is-not-able-to-be-filled-from-center/100025)

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**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 7\
**Last updated:** [29 December 2025 11:15 UTC](https://discourse.nodered.org/t/gauge-node-is-not-able-to-be-filled-from-center/100025 "2025-12-29T11:15:57Z")

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This works perfect in the old dashboard. So why not in dashboard 2. Again and again I stuble into problem. The above is ona example. An other one is the the legend tick in the chart node .... and so on and on. For what…

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## [Fun little countdown page - track key dates/times](https://discourse.nodered.org/t/fun-little-countdown-page-track-key-dates-times/100037)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 4\
**Last updated:** [28 December 2025 19:17 UTC](https://discourse.nodered.org/t/fun-little-countdown-page-track-key-dates-times/100037 "2025-12-28T19:17:13Z")

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Something simple for post Christmas blues. :smiley: The following code can be used with UIBUILDER's router as I'm doing in the example images. Or you can easily adapt to be a stand-alone page or incorporate into any pag…

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## [🎉 Node-RED 5 beta.0 released](https://discourse.nodered.org/t/node-red-5-beta-0-released/99870)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 73\
**Last updated:** [28 December 2025 14:39 UTC](https://discourse.nodered.org/t/node-red-5-beta-0-released/99870 "2025-12-28T14:39:33Z")

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:tada: The first beta release of Node-RED 5 is now available! As promised in our recent blog post, we're starting the beta releases for Node-RED 5 today. This is the first step on the path to an updated Node-RED user e…

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## [Would someone be willing to help me update a github project to fix a bug?](https://discourse.nodered.org/t/would-someone-be-willing-to-help-me-update-a-github-project-to-fix-a-bug/100026)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 5\
**Last updated:** [28 December 2025 03:37 UTC](https://discourse.nodered.org/t/would-someone-be-willing-to-help-me-update-a-github-project-to-fix-a-bug/100026 "2025-12-28T03:37:17Z")

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The lgtv-ip-control project on github apparently has been abandoned which is unfortunate, because there are several other projects that leverage this one. BitFocus Companion for example. I have figured out the bug, whi…

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## [Power Supply considerations for simple hardware nodes](https://discourse.nodered.org/t/power-supply-considerations-for-simple-hardware-nodes/100021)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 6\
**Last updated:** [27 December 2025 09:39 UTC](https://discourse.nodered.org/t/power-supply-considerations-for-simple-hardware-nodes/100021 "2025-12-27T09:39:01Z")

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Like many makers, I build simple hardware nodes using ESP32 devices and power them from low-voltage supplies, such as batteries or standard AC/DC adapters (e.g., mobile phone chargers). My regulator of choice is the ubi…

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## [Delay node - rate limit strange behaviour. Confusing limit rates. Is it lying us (a little)?](https://discourse.nodered.org/t/delay-node-rate-limit-strange-behaviour-confusing-limit-rates-is-it-lying-us-a-little/100005)

<div class="topic-metadata">

**Author:** [@ortegafernando](https://discourse.nodered.org/u/ortegafernando)\
**Replies:** 11\
**Last updated:** [26 December 2025 14:39 UTC](https://discourse.nodered.org/t/delay-node-rate-limit-strange-behaviour-confusing-limit-rates-is-it-lying-us-a-little/100005 "2025-12-26T14:39:12Z")

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Hi everyone, I’m having a question about the Delay node in Node-RED when using the rate limit option. (Node red version 4.0.8) For example, I configured the node to 10 messages per minute, but the behavior is not what …

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## [Node-RED: Infinite path appending during recursive FTP directory traversal](https://discourse.nodered.org/t/node-red-infinite-path-appending-during-recursive-ftp-directory-traversal/100019)

<div class="topic-metadata">

**Author:** [@manel](https://discourse.nodered.org/u/manel)\
**Replies:** 4\
**Last updated:** [25 December 2025 07:43 UTC](https://discourse.nodered.org/t/node-red-infinite-path-appending-during-recursive-ftp-directory-traversal/100019 "2025-12-25T07:43:45Z")

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I am using Node-RED (v2.1.4) and node.js v14.17.0 to monitor an FTP server (FileZilla) where a Dahua IP camera uploads snapshots. By default, the camera creates a deeply nested directory structure: DEVICE\_ID / YYYY-MM-D…

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## [Possible bug with TCP nodes?](https://discourse.nodered.org/t/possible-bug-with-tcp-nodes/100008)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 7\
**Last updated:** [24 December 2025 23:00 UTC](https://discourse.nodered.org/t/possible-bug-with-tcp-nodes/100008 "2025-12-24T23:00:35Z")

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Have a flow that 'watches' a device on a given (TCP) IP and Port. If the device is turned off (or even turned on later), my flow knows via a successful or failed ping. All good. However, the TCP IN and TCP OUT nodes n…

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## [Thanks for being the friendliest forum around!](https://discourse.nodered.org/t/thanks-for-being-the-friendliest-forum-around/100018)

<div class="topic-metadata">

**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 2\
**Last updated:** [24 December 2025 22:49 UTC](https://discourse.nodered.org/t/thanks-for-being-the-friendliest-forum-around/100018 "2025-12-24T22:49:15Z")

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Hope you all have a great time, and Santa brings all the tech you wanted. :wink: Thanks for being the friendliest forum around !

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## [Newbie asking for help](https://discourse.nodered.org/t/newbie-asking-for-help/99944)

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**Author:** [@arny](https://discourse.nodered.org/u/arny)\
**Replies:** 3\
**Last updated:** [24 December 2025 14:06 UTC](https://discourse.nodered.org/t/newbie-asking-for-help/99944 "2025-12-24T14:06:37Z")

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Hi, I am new to HA and Node-Red. I have created a simple automation for photovoltaics. It involves switching on the pool pump and switching panels (I have more power from the panels than the maximum MPPT input... we don…

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## [Dynamic change of background in the button node](https://discourse.nodered.org/t/dynamic-change-of-background-in-the-button-node/100015)

<div class="topic-metadata">

**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 3\
**Last updated:** [24 December 2025 12:05 UTC](https://discourse.nodered.org/t/dynamic-change-of-background-in-the-button-node/100015 "2025-12-24T12:05:46Z")

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I'm not able to make this running. What am I doing wrong? Pls help! \[ { "id": "ac065458f1f91998", "type": "function", "z": "8ea5dbdfb7c2ac3f", "name": "function 2", "func": "/…

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## [Raspian Trixie NodeJS problem](https://discourse.nodered.org/t/raspian-trixie-nodejs-problem/99998)

<div class="topic-metadata">

**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 21\
**Last updated:** [23 December 2025 23:52 UTC](https://discourse.nodered.org/t/raspian-trixie-nodejs-problem/99998 "2025-12-23T23:52:21Z")

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Hi, After encountering problems with an installation of NodeJS 20, I thought I'd do it properly this time: install NodeJS first, then Node-RED. Unfortunately, the installation script removes the existing version and rei…

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## [Ui-gauge prefix, value & suffix](https://discourse.nodered.org/t/ui-gauge-prefix-value-suffix/100011)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 9\
**Last updated:** [23 December 2025 13:57 UTC](https://discourse.nodered.org/t/ui-gauge-prefix-value-suffix/100011 "2025-12-23T13:57:01Z")

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This gauge roughly imitates CNN's business page Fear & Greed Index In this instance, msg.payload = 85 and msg.ui\_update.suffix = "Extreme greed" The HTML for this line is \<span\>85 Extreme greed\</span\> If the prefix…

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## [node-red-contrib-matter-dynamic 0.2.4 with WindowCoveringDevice](https://discourse.nodered.org/t/node-red-contrib-matter-dynamic-0-2-4-with-windowcoveringdevice/99903)

<div class="topic-metadata">

**Author:** [@MLSDOR](https://discourse.nodered.org/u/MLSDOR)\
**Replies:** 1\
**Last updated:** [22 December 2025 22:56 UTC](https://discourse.nodered.org/t/node-red-contrib-matter-dynamic-0-2-4-with-windowcoveringdevice/99903 "2025-12-22T22:56:17Z")

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Did anyone tested window blinds (WindowCoveringDevice) with "node-red-contrib-matter-dynamic 0.2.4"? What is the JSON configuration for it?

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## [Changing a Group Name Dynamically](https://discourse.nodered.org/t/changing-a-group-name-dynamically/100007)

<div class="topic-metadata">

**Author:** [@garynl](https://discourse.nodered.org/u/garynl)\
**Replies:** 3\
**Last updated:** [22 December 2025 22:43 UTC](https://discourse.nodered.org/t/changing-a-group-name-dynamically/100007 "2025-12-22T22:43:47Z")

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In dashboard 1 I used to use a template node containing some 'magic' code from this forum that allowed me to dynamically change the name of a group by passing msg.payload to this script: \<script\> (function($scope) { $sc…

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## [How to get rid of a group header](https://discourse.nodered.org/t/how-to-get-rid-of-a-group-header/100010)

<div class="topic-metadata">

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 16\
**Last updated:** [22 December 2025 17:30 UTC](https://discourse.nodered.org/t/how-to-get-rid-of-a-group-header/100010 "2025-12-22T17:30:23Z")

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on the left picture I have 2 headers. The first header on top is the name of the group. Unfortunately I forgot to disallow group name. How can I get rid of this header. Should look like on the second group. On this gr…

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## [Lazy lint on return?](https://discourse.nodered.org/t/lazy-lint-on-return/99979)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 3\
**Last updated:** [22 December 2025 16:11 UTC](https://discourse.nodered.org/t/lazy-lint-on-return/99979 "2025-12-22T16:11:21Z")

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Was refactoring some code and naturally linter triggered and show invalid name. This happened while assigning variable (const a = b), however it never linted on return (return b)! What's going on here? Is it more complic…

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## [Changing the Color and Font of the number shown by the number input widget](https://discourse.nodered.org/t/changing-the-color-and-font-of-the-number-shown-by-the-number-input-widget/99981)

<div class="topic-metadata">

**Author:** [@JustRoger1956](https://discourse.nodered.org/u/JustRoger1956)\
**Replies:** 2\
**Last updated:** [22 December 2025 11:46 UTC](https://discourse.nodered.org/t/changing-the-color-and-font-of-the-number-shown-by-the-number-input-widget/99981 "2025-12-22T11:46:15Z")

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Is there a simple example of changing the fonts and colors of both the label and the number independent of each other when using the number input widget for dashboard 2.0? Regards, Roger

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## [Update issues with NR 4.1.1](https://discourse.nodered.org/t/update-issues-with-nr-4-1-1/99473)

<div class="topic-metadata">

**Author:** [@RueCo](https://discourse.nodered.org/u/RueCo)\
**Replies:** 8\
**Last updated:** [22 December 2025 10:02 UTC](https://discourse.nodered.org/t/update-issues-with-nr-4-1-1/99473 "2025-12-22T10:02:31Z")

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Having updated to NR 4.1.1 on a debian bullseye pi machine and trying to remove a note in the pallet manager I get the following error: 2025-10-21T21:31:44.596Z remove: node-red-contrib-enocean 2025-10-21T21:31:43.613Z …

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## [Using the new Dashboard 2.0 UI groups have focus events? Or similar?](https://discourse.nodered.org/t/using-the-new-dashboard-2-0-ui-groups-have-focus-events-or-similar/99995)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 8\
**Last updated:** [21 December 2025 23:15 UTC](https://discourse.nodered.org/t/using-the-new-dashboard-2-0-ui-groups-have-focus-events-or-similar/99995 "2025-12-21T23:15:57Z")

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Using the new Dashboard 2.0 UI groups have focus events? I have a use case where I need my flow to query the status of a device and update a button group based on what the device returns as configuration state. This is…

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