# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=44

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

**Page:** 45

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## [N8n pull 180m Series-C on a 2.5B valuation](https://discourse.nodered.org/t/n8n-pull-180m-series-c-on-a-2-5b-valuation/99339)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 11\
**Last updated:** [10 October 2025 15:32 UTC](https://discourse.nodered.org/t/n8n-pull-180m-series-c-on-a-2-5b-valuation/99339 "2025-10-10T15:32:30Z")

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Hi There, Over at HN there is a discussion around n8n latest C series investment round. Looking at their pivot towards AI and the investor list, I would see this as a pump & dump aiming for a selling off to one of the …

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## [Creating an Interactive ChatGPT-like Chatbot in Node-RED](https://discourse.nodered.org/t/creating-an-interactive-chatgpt-like-chatbot-in-node-red/99343)

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**Author:** [@LoganathanSambath](https://discourse.nodered.org/u/LoganathanSambath)\
**Replies:** 2\
**Last updated:** [10 October 2025 10:12 UTC](https://discourse.nodered.org/t/creating-an-interactive-chatgpt-like-chatbot-in-node-red/99343 "2025-10-10T10:12:06Z")

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I want to build a ChatGPT-style interactive chatbot inside Node-RED that allows users to type a question and get smart, conversational replies — just like the real ChatGPT interface. The chatbot should connect directly …

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## [Indicate disabled nodes in dashboard 2 sidebar](https://discourse.nodered.org/t/indicate-disabled-nodes-in-dashboard-2-sidebar/99315)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 4\
**Last updated:** [9 October 2025 23:08 UTC](https://discourse.nodered.org/t/indicate-disabled-nodes-in-dashboard-2-sidebar/99315 "2025-10-09T23:08:53Z")

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Chatgpt and I have been "collaborating" on a ui-template layout. It's an iterative process whereby she fixes one issue and recreates two earlier ones. So I frequently make a copy of the relevant nodes and disable them a…

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## [NodeRed receives no value when one is returned by serial request](https://discourse.nodered.org/t/nodered-receives-no-value-when-one-is-returned-by-serial-request/99324)

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**Author:** [@Kepler7894i](https://discourse.nodered.org/u/Kepler7894i)\
**Replies:** 4\
**Last updated:** [9 October 2025 14:57 UTC](https://discourse.nodered.org/t/nodered-receives-no-value-when-one-is-returned-by-serial-request/99324 "2025-10-09T14:57:03Z")

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I have a PIC24 connected to a sensor that is programmed with a custom driver to send data when a '?\\r' is sent as a request "0x3F0D". I've confirmed NodeRed is connected to the right serial port and that data is sending…

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## [Help please Flows stopped due to missing node types](https://discourse.nodered.org/t/help-please-flows-stopped-due-to-missing-node-types/99328)

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**Author:** [@montyfert](https://discourse.nodered.org/u/montyfert)\
**Replies:** 2\
**Last updated:** [9 October 2025 14:40 UTC](https://discourse.nodered.org/t/help-please-flows-stopped-due-to-missing-node-types/99328 "2025-10-09T14:40:32Z")

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hi rebooted my pi today and now node red wont work properly , i kepp getting (Flows stopped due to missing node types.) any help would be much appreciated thanks martin

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## [How to spawn C code using exec](https://discourse.nodered.org/t/how-to-spawn-c-code-using-exec/99273)

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**Author:** [@pedro\_uno](https://discourse.nodered.org/u/pedro_uno)\
**Replies:** 9\
**Last updated:** [9 October 2025 14:01 UTC](https://discourse.nodered.org/t/how-to-spawn-c-code-using-exec/99273 "2025-10-09T14:01:17Z")

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Hello, I am having trouble launching a C program in spawn mode using an exec node. I created a simplified example where a button starts the exec node. Unfortunately when I run it, I always get an error with return c…

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## [Dashboard 2 line chart data format](https://discourse.nodered.org/t/dashboard-2-line-chart-data-format/99304)

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**Author:** [@pedro\_uno](https://discourse.nodered.org/u/pedro_uno)\
**Replies:** 9\
**Last updated:** [9 October 2025 13:47 UTC](https://discourse.nodered.org/t/dashboard-2-line-chart-data-format/99304 "2025-10-09T13:47:48Z")

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Hello, For reasons unrelated to this question I need to migrate a flow from Dashboard 1 to Dashboard 2. In Dashboard 1, I was feeding instrument data to a chart node, repetitively to make a waveform viewer that looked …

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## [Dropdown show all selected entries](https://discourse.nodered.org/t/dropdown-show-all-selected-entries/99332)

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**Author:** [@Hubertus](https://discourse.nodered.org/u/Hubertus)\
**Replies:** 1\
**Last updated:** [9 October 2025 10:16 UTC](https://discourse.nodered.org/t/dropdown-show-all-selected-entries/99332 "2025-10-09T10:16:55Z")

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Hi, I use the dropdown menu to select from a wide range of devices. To save space on the dashboard, it would be helpful to have an option to display only the selected entries in the dropdown menu itself, as in Dashbo…

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## [Quick bit of help with cronplus](https://discourse.nodered.org/t/quick-bit-of-help-with-cronplus/99322)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [9 October 2025 05:56 UTC](https://discourse.nodered.org/t/quick-bit-of-help-with-cronplus/99322 "2025-10-09T05:56:39Z")

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And it is a great node! I am wanting to make a schedule for (example) the LAST day of the month. I know of the L option for Last.... But not exactly how to apply it here. There is an example for the Last Monday of th…

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## [Serve a .txt file at a static https: URL](https://discourse.nodered.org/t/serve-a-txt-file-at-a-static-https-url/99314)

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**Author:** [@JeremyCee](https://discourse.nodered.org/u/JeremyCee)\
**Replies:** 4\
**Last updated:** [8 October 2025 20:05 UTC](https://discourse.nodered.org/t/serve-a-txt-file-at-a-static-https-url/99314 "2025-10-08T20:05:15Z")

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We're hoping to leverage our FlowFuse instance as middleware between certain UIs and an ecommerce/payment gateway. One of the providers needs us to "Verify" all of the domains that will be called out to in a transaction…

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## [Make a duplicate flow](https://discourse.nodered.org/t/make-a-duplicate-flow/6996)

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**Author:** [@Leroxy](https://discourse.nodered.org/u/Leroxy)\
**Replies:** 9\
**Last updated:** [8 October 2025 19:15 UTC](https://discourse.nodered.org/t/make-a-duplicate-flow/6996 "2025-10-08T19:15:39Z")

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I would like to duplicate flows as fast as I can delete them. And when I mess up I can just disable them again.

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## [Dashboard 2, chart node configured as bar](https://discourse.nodered.org/t/dashboard-2-chart-node-configured-as-bar/99316)

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**Author:** [@Hobbe](https://discourse.nodered.org/u/Hobbe)\
**Replies:** 2\
**Last updated:** [8 October 2025 15:36 UTC](https://discourse.nodered.org/t/dashboard-2-chart-node-configured-as-bar/99316 "2025-10-08T15:36:16Z")

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Hello! In dashboard 2 with a chart node with Chart Configuration as Bar, is the maximum number of bars sixteen? Regards // Hobbe

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## [Dynamic serial port configuration](https://discourse.nodered.org/t/dynamic-serial-port-configuration/99311)

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**Author:** [@vapourlyric](https://discourse.nodered.org/u/vapourlyric)\
**Replies:** 2\
**Last updated:** [8 October 2025 14:40 UTC](https://discourse.nodered.org/t/dynamic-serial-port-configuration/99311 "2025-10-08T14:40:32Z")

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Hi everyone! I have a serial in node from node-red-node-serialport (2.0.3) that works as expected. Unfortunately, the serial port, which is in my case "/dev/ttymxc3", needs to be configured also in other parts of my Nod…

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## [Node RED OPC UA Server error](https://discourse.nodered.org/t/node-red-opc-ua-server-error/99297)

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**Author:** [@d.morani](https://discourse.nodered.org/u/d.morani)\
**Replies:** 10\
**Last updated:** [8 October 2025 14:18 UTC](https://discourse.nodered.org/t/node-red-opc-ua-server-error/99297 "2025-10-08T14:18:19Z")

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You should set your own key using the 'credentialSecret' option in your settings file. Node-RED will then re-encrypt your credentials file using your chosen key the next time you deploy a change. 7 Oct 14:45:33 - \[warn…

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## [eCharts default colours](https://discourse.nodered.org/t/echarts-default-colours/99312)

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**Author:** [@gerrybartley](https://discourse.nodered.org/u/gerrybartley)\
**Replies:** 0\
**Last updated:** [8 October 2025 13:54 UTC](https://discourse.nodered.org/t/echarts-default-colours/99312 "2025-10-08T13:54:10Z")

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Is there a settings file for the defaults on the new eCharts I want to change the default Grid line color to be different I have a lot of existing charts and don't want to configure them one by one

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## [\[Need Advice\]: Loading resources by a node](https://discourse.nodered.org/t/need-advice-loading-resources-by-a-node/99176)

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**Author:** [@GogoVega](https://discourse.nodered.org/u/GogoVega)\
**Replies:** 14\
**Last updated:** [8 October 2025 13:48 UTC](https://discourse.nodered.org/t/need-advice-loading-resources-by-a-node/99176 "2025-10-08T13:48:10Z")

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Hi all, I'm having a small issue with my nodes and would like your advice. To avoid duplicating my code, I've separated some logic into two resources, and I'd like my nodes to load these resource before building themse…

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## [Calendar google](https://discourse.nodered.org/t/calendar-google/99310)

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**Author:** [@Le-Ze](https://discourse.nodered.org/u/Le-Ze)\
**Replies:** 0\
**Last updated:** [8 October 2025 07:47 UTC](https://discourse.nodered.org/t/calendar-google/99310 "2025-10-08T07:47:47Z")

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Hi. I try to read my scheduled tasks. I tried this and doesn't work. You can confirm that it is functional and I make a mistake. Thank you.

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## [Strange light gray node](https://discourse.nodered.org/t/strange-light-gray-node/99305)

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**Author:** [@Filip\_Top](https://discourse.nodered.org/u/Filip_Top)\
**Replies:** 3\
**Last updated:** [7 October 2025 20:40 UTC](https://discourse.nodered.org/t/strange-light-gray-node/99305 "2025-10-07T20:40:00Z")

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What is this light gray node? Because of this I cannot make any new connections between nodes

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## [Gauge's for Dashboard 2.0 made with ui\_template](https://discourse.nodered.org/t/gauges-for-dashboard-2-0-made-with-ui-template/85955)

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**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 159\
**Last updated:** [7 October 2025 20:00 UTC](https://discourse.nodered.org/t/gauges-for-dashboard-2-0-made-with-ui-template/85955 "2025-10-07T20:00:38Z")

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Type linear, round, vertical, or artless. Code is HERETEMPLATE: \<template\> \<div\> \<template v-if="type === 'round'"\> \<div ref="hng" class="ro…

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## [Building an HTML server with sessions](https://discourse.nodered.org/t/building-an-html-server-with-sessions/99302)

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**Author:** [@mikemelga](https://discourse.nodered.org/u/mikemelga)\
**Replies:** 2\
**Last updated:** [7 October 2025 19:01 UTC](https://discourse.nodered.org/t/building-an-html-server-with-sessions/99302 "2025-10-07T19:01:05Z")

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Hi. I have a flow with an http in node and response node where I feed the user x some variables read from a database (like is name, for example) after a login. I then have a websocket in and out that updates those vari…

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## [Node-red-pushsafer 1.0.4 Crash](https://discourse.nodered.org/t/node-red-pushsafer-1-0-4-crash/99278)

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**Author:** [@ZenSlo](https://discourse.nodered.org/u/ZenSlo)\
**Replies:** 1\
**Last updated:** [7 October 2025 16:44 UTC](https://discourse.nodered.org/t/node-red-pushsafer-1-0-4-crash/99278 "2025-10-07T16:44:15Z")

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Hi, I have been using node-red-pushsafer 1.0.4 for several years from Node-Red within Home Assistant without problem, with messages going to both my Android phone and my Windows 10 PC. Yesterday I added a guest account…

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## [Installing modules without internet connection](https://discourse.nodered.org/t/installing-modules-without-internet-connection/99280)

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**Author:** [@biancahuertas](https://discourse.nodered.org/u/biancahuertas)\
**Replies:** 3\
**Last updated:** [7 October 2025 16:35 UTC](https://discourse.nodered.org/t/installing-modules-without-internet-connection/99280 "2025-10-07T16:35:58Z")

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Hi, I was trying to get help with installing new nodes offline. I figured I could download the node packages on a pc with internet connection and then just move the file to the pc with access to NodeRED on it. Turns out …

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## [Request for Ideas - "Node-RED Academy: Building Applications"](https://discourse.nodered.org/t/request-for-ideas-node-red-academy-building-applications/98454)

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**Author:** [@joepavitt](https://discourse.nodered.org/u/joepavitt)\
**Replies:** 17\
**Last updated:** [7 October 2025 15:59 UTC](https://discourse.nodered.org/t/request-for-ideas-node-red-academy-building-applications/98454 "2025-10-07T15:59:17Z")

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Hi All, I’m in the process of planning out the next Node-RED Academy course - Building Applications. The plan here is to cover the end-to-end components that build a full application. Roughly speaking, the chapters are …

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## [Enable require() in Node.js Functions on FlowFuse Instance(s)](https://discourse.nodered.org/t/enable-require-in-node-js-functions-on-flowfuse-instance-s/99301)

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**Author:** [@JeremyCee](https://discourse.nodered.org/u/JeremyCee)\
**Replies:** 2\
**Last updated:** [7 October 2025 14:59 UTC](https://discourse.nodered.org/t/enable-require-in-node-js-functions-on-flowfuse-instance-s/99301 "2025-10-07T14:59:48Z")

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We're attempting to build a workflow where we need to validate the incoming webhook POST with a hashed value that's calculated from a shared key. We're currently leveraging the node-red-contrib-crypto-js module but it r…

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## [How to integrate mjpeg stream into node red dashboard](https://discourse.nodered.org/t/how-to-integrate-mjpeg-stream-into-node-red-dashboard/99299)

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**Author:** [@ali](https://discourse.nodered.org/u/ali)\
**Replies:** 0\
**Last updated:** [7 October 2025 13:34 UTC](https://discourse.nodered.org/t/how-to-integrate-mjpeg-stream-into-node-red-dashboard/99299 "2025-10-07T13:34:44Z")

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I am running an mjpeg stream for my pi camera 3 using the following code : import io import logging import socketserver from http import server from threading import Condition from picamera2 import Picamera2 from picam…

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## [I want my great my code dashboard to dashboard2.0](https://discourse.nodered.org/t/i-want-my-great-my-code-dashboard-to-dashboard2-0/99295)

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**Author:** [@radhakrishna](https://discourse.nodered.org/u/radhakrishna)\
**Replies:** 1\
**Last updated:** [7 October 2025 13:05 UTC](https://discourse.nodered.org/t/i-want-my-great-my-code-dashboard-to-dashboard2-0/99295 "2025-10-07T13:05:43Z")

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Dear Team, Migration my code which is dashboard to same as dashboard2.0.kindly suggest what are steps to flow Thanks & Regards, Radhakrishna.P

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## [Can not change the hint color of the v-text-field and v-select in Node-RED](https://discourse.nodered.org/t/can-not-change-the-hint-color-of-the-v-text-field-and-v-select-in-node-red/99292)

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**Author:** [@Kang](https://discourse.nodered.org/u/Kang)\
**Replies:** 1\
**Last updated:** [7 October 2025 11:10 UTC](https://discourse.nodered.org/t/can-not-change-the-hint-color-of-the-v-text-field-and-v-select-in-node-red/99292 "2025-10-07T11:10:34Z")

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Hi, sir Here is my code, and it is strange that the hint color is changed to orange in VPlay, however the hint color remains the same in my dashboard2. Pls find this picture for the difference: \<template\> \<div cl…

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## [Node-RED Con 2025 - Registrations are now open!](https://discourse.nodered.org/t/node-red-con-2025-registrations-are-now-open/98768)

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**Author:** [@Yndira-E](https://discourse.nodered.org/u/Yndira-E)\
**Replies:** 5\
**Last updated:** [7 October 2025 11:02 UTC](https://discourse.nodered.org/t/node-red-con-2025-registrations-are-now-open/98768 "2025-10-07T11:02:59Z")

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Hi everyone, The time has come! Registrations for the free online conference, Node-RED Con 2025, are now officially open. Join us on November 4 for a day of talks on Node-RED applications in industry and fun community …

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## [The agenda for this year’s Node-RED Community Conference is now published!](https://discourse.nodered.org/t/the-agenda-for-this-year-s-node-red-community-conference-is-now-published/99160)

<div class="topic-metadata">

**Author:** [@Yndira-E](https://discourse.nodered.org/u/Yndira-E)\
**Replies:** 2\
**Last updated:** [7 October 2025 11:02 UTC](https://discourse.nodered.org/t/the-agenda-for-this-year-s-node-red-community-conference-is-now-published/99160 "2025-10-07T11:02:36Z")

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We’ve got a fantastic set of talks lined up — covering everything from industrial automation and utilities to finance and smart homes. I’m looking forward to seeing the community come together on 4 November. Here's a s…

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## [Suppress warning "You have some unused configuration nodes" (but they are used!)](https://discourse.nodered.org/t/suppress-warning-you-have-some-unused-configuration-nodes-but-they-are-used/99281)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 5\
**Last updated:** [7 October 2025 10:05 UTC](https://discourse.nodered.org/t/suppress-warning-you-have-some-unused-configuration-nodes-but-they-are-used/99281 "2025-10-07T10:05:22Z")

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Hi, this message disturbs me each time I deploy, showing the list of "unused" nodes it shows me 2 nodes which are used and vital for my flow, I can't remove or disable them. One is the control node of node-red-contrib-tu…

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