# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=23

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

**Page:** 24

---

## [Cpu usage, what is using most time](https://discourse.nodered.org/t/cpu-usage-what-is-using-most-time/99341)

<div class="topic-metadata">

**Author:** [@svefro](https://discourse.nodered.org/u/svefro)\
**Replies:** 8\
**Last updated:** [11 October 2025 18:25 UTC](https://discourse.nodered.org/t/cpu-usage-what-is-using-most-time/99341 "2025-10-11T18:25:35Z")

</div>

Is there any way of seeing what function/node is using most cpu? It would be nice to be able to see where things are slow. I have a wery large procject that is using about 10% cpu all the time in average on a pi 4. lo…

---

## [Separate topics](https://discourse.nodered.org/t/separate-topics/99348)

<div class="topic-metadata">

**Author:** [@Newbie01](https://discourse.nodered.org/u/Newbie01)\
**Replies:** 3\
**Last updated:** [11 October 2025 17:27 UTC](https://discourse.nodered.org/t/separate-topics/99348 "2025-10-11T17:27:17Z")

</div>

I have tried a split node, switch node probably wrong. And there is probably a simple way to do it. object topic: "Dining/dht1" payload: object temperature: 23.4 humidity: 59.6 qos: 0 retain: false Is there a sim…

---

## [Node-red finding MAC address of wrong Homebridge](https://discourse.nodered.org/t/node-red-finding-mac-address-of-wrong-homebridge/99347)

<div class="topic-metadata">

**Author:** [@lmolter54](https://discourse.nodered.org/u/lmolter54)\
**Replies:** 3\
**Last updated:** [11 October 2025 16:00 UTC](https://discourse.nodered.org/t/node-red-finding-mac-address-of-wrong-homebridge/99347 "2025-10-11T16:00:17Z")

</div>

I recently moved Homebridge to another server, a Pi 5. Node-red is still on the server (a Pi 4B) where the other Homebridge was. I stopped that HB service, but NR says it can't find HB with the old MAC address. And I cha…

---

## [How can I define a Pydantic schema for heterogeneous Node-RED workflows when using OpenAI structured outputs?](https://discourse.nodered.org/t/how-can-i-define-a-pydantic-schema-for-heterogeneous-node-red-workflows-when-using-openai-structured-outputs/99352)

<div class="topic-metadata">

**Author:** [@ashfaq92](https://discourse.nodered.org/u/ashfaq92)\
**Replies:** 0\
**Last updated:** [11 October 2025 15:05 UTC](https://discourse.nodered.org/t/how-can-i-define-a-pydantic-schema-for-heterogeneous-node-red-workflows-when-using-openai-structured-outputs/99352 "2025-10-11T15:05:33Z")

</div>

Hi, I am new to Node-RED. I have a question where I needed help, I posted this question on stackoverflow, but here I paste again: I’m experimenting with generating Node-RED workflows using an LLM. As expected, the unstr…

---

## [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)

<div class="topic-metadata">

**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")

</div>

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 …

---

## [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)

<div class="topic-metadata">

**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")

</div>

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…

---

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

<div class="topic-metadata">

**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")

</div>

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

---

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

<div class="topic-metadata">

**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")

</div>

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…

---

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

<div class="topic-metadata">

**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")

</div>

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…

---

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

<div class="topic-metadata">

**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")

</div>

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…

---

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

<div class="topic-metadata">

**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")

</div>

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.

---

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

<div class="topic-metadata">

**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")

</div>

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

---

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

<div class="topic-metadata">

**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")

</div>

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…

---

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

<div class="topic-metadata">

**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")

</div>

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…

---

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

<div class="topic-metadata">

**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")

</div>

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 …

---

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

<div class="topic-metadata">

**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")

</div>

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 …

---

## [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)

<div class="topic-metadata">

**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")

</div>

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

---

## [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")

</div>

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…

---

## [Debug window does not work, but does work through console](https://discourse.nodered.org/t/debug-window-does-not-work-but-does-work-through-console/99285)

<div class="topic-metadata">

**Author:** [@Ryan](https://discourse.nodered.org/u/Ryan)\
**Replies:** 7\
**Last updated:** [7 October 2025 09:32 UTC](https://discourse.nodered.org/t/debug-window-does-not-work-but-does-work-through-console/99285 "2025-10-07T09:32:28Z")

</div>

Hi, I have been using node red for little over a week with no issues regarding the debug window. But since yesterday, basicly out of nowhere (I believe after a regular reboot), no messages pop up in the debug window at a…

---

## [Parsing JSON from a Shelly Plus1](https://discourse.nodered.org/t/parsing-json-from-a-shelly-plus1/99279)

<div class="topic-metadata">

**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 2\
**Last updated:** [6 October 2025 20:02 UTC](https://discourse.nodered.org/t/parsing-json-from-a-shelly-plus1/99279 "2025-10-06T20:02:57Z")

</div>

Hi all, I fail to parse "output" .... pls help! Pic is a screenshot from MQTT explorer. Problem "switch:0" . Thanks a lot!

---

## [Is the way you you are using NR changing in the age of AI](https://discourse.nodered.org/t/is-the-way-you-you-are-using-nr-changing-in-the-age-of-ai/99078)

<div class="topic-metadata">

**Author:** [@chrisn-au](https://discourse.nodered.org/u/chrisn-au)\
**Replies:** 9\
**Last updated:** [6 October 2025 16:14 UTC](https://discourse.nodered.org/t/is-the-way-you-you-are-using-nr-changing-in-the-age-of-ai/99078 "2025-10-06T16:14:54Z")

</div>

I've been a dedicated Node-RED user for years and absolutely love the ecosystem. I've used it for everything from serving as the rules engine for Home Assistant (the built-in HA automation model just doesn't click with m…

---

## [Cron-plus can't start a paused schedule again](https://discourse.nodered.org/t/cron-plus-cant-start-a-paused-schedule-again/98304)

<div class="topic-metadata">

**Author:** [@LondonBenji](https://discourse.nodered.org/u/LondonBenji)\
**Replies:** 71\
**Last updated:** [6 October 2025 15:59 UTC](https://discourse.nodered.org/t/cron-plus-cant-start-a-paused-schedule-again/98304 "2025-10-06T15:59:11Z")

</div>

Okay, it has been a whopping three years since I last posted about cron-plus, even though it does not feel that long! Cron-plus is by far my all time favourite node! As you can see between that old thread and how it l…

---

## [How to make a style variable in css ui-tample node](https://discourse.nodered.org/t/how-to-make-a-style-variable-in-css-ui-tample-node/99231)

<div class="topic-metadata">

**Author:** [@kelvin\_S](https://discourse.nodered.org/u/kelvin_S)\
**Replies:** 3\
**Last updated:** [6 October 2025 10:22 UTC](https://discourse.nodered.org/t/how-to-make-a-style-variable-in-css-ui-tample-node/99231 "2025-10-06T10:22:14Z")

</div>

Dear all, I'm making a dashboard and i have a line that can visualize when energy is flowing, ui-template code: \<div style="position: relative; width: 190px; height: 40px;"\> \<div class="energy-line" style="position…

---

## [Parsing binary encoded data from decimal array](https://discourse.nodered.org/t/parsing-binary-encoded-data-from-decimal-array/99205)

<div class="topic-metadata">

**Author:** [@trialnerror](https://discourse.nodered.org/u/trialnerror)\
**Replies:** 25\
**Last updated:** [6 October 2025 07:51 UTC](https://discourse.nodered.org/t/parsing-binary-encoded-data-from-decimal-array/99205 "2025-10-06T07:51:40Z")

</div>

I'm not too sure how to start with this problem, so looking for some direction. I'm dealing with a Huawei Luna2000 battery, pulling data from it via Modbus and sending some of it on to MQTT I receive an array of number…

---

## [What's going on here - switch node](https://discourse.nodered.org/t/whats-going-on-here-switch-node/99269)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 24\
**Last updated:** [5 October 2025 08:34 UTC](https://discourse.nodered.org/t/whats-going-on-here-switch-node/99269 "2025-10-05T08:34:27Z")

</div>

Sorry, but I seem to be missing a HUGE thing with how this is working. Node in question: \[{"id":"a2eca75e0c71a132","type":"switch","z":"b25fd092.bcc758","name":"Is share available?","property":"payload","propertyType":…

---

## [Sequoia Local Network Access Issue with the http request node](https://discourse.nodered.org/t/sequoia-local-network-access-issue-with-the-http-request-node/99266)

<div class="topic-metadata">

**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 13\
**Last updated:** [4 October 2025 17:37 UTC](https://discourse.nodered.org/t/sequoia-local-network-access-issue-with-the-http-request-node/99266 "2025-10-04T17:37:18Z")

</div>

I recently updated 2 mac minis to Sequoia and after doing so, none of my http request nodes would work. They all had EHOSTUNREACH errors. After updating node and node-RED to the latest versions, one of the 2 minis stil…

---

## [Typescript linting (ts node)](https://discourse.nodered.org/t/typescript-linting-ts-node/98994)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 7\
**Last updated:** [4 October 2025 13:26 UTC](https://discourse.nodered.org/t/typescript-linting-ts-node/98994 "2025-10-04T13:26:14Z")

</div>

I have installed and in the process of trying out the typescript node as an alternative to the function node. The function node is already my favourite in node red, and typescript node should be even better. Luckily the …

---

## [Cannot install node-red-contrib-lgtv, errors](https://discourse.nodered.org/t/cannot-install-node-red-contrib-lgtv-errors/99184)

<div class="topic-metadata">

**Author:** [@Mikee1234K](https://discourse.nodered.org/u/Mikee1234K)\
**Replies:** 7\
**Last updated:** [4 October 2025 11:59 UTC](https://discourse.nodered.org/t/cannot-install-node-red-contrib-lgtv-errors/99184 "2025-10-04T11:59:07Z")

</div>

I tried to install node-red-contrib-lgtv (and also any of the other lg tv and webos paletts) but get these errors: 2025-09-27T13:29:10.908Z Install : node-red-contrib-lgtv 1.1.0 2025-09-27T13:29:13.578Z npm.cmd install…

---

## [Trying node-red-contrib-ts with 'setTimeout'](https://discourse.nodered.org/t/trying-node-red-contrib-ts-with-settimeout/98982)

<div class="topic-metadata">

**Author:** [@Frida](https://discourse.nodered.org/u/Frida)\
**Replies:** 2\
**Last updated:** [4 October 2025 11:26 UTC](https://discourse.nodered.org/t/trying-node-red-contrib-ts-with-settimeout/98982 "2025-10-04T11:26:09Z")

</div>

@benoitadam I have one more, if I use 'setTimeout,' I get an error and node-red restarts. let invar = msg.payload node.warn('1 ' + invar) let MyTimeOutID = context.get('MyTimeOutID') ?? undefined node.warn(MyTimeOutID…

---

## [Utilisation global.set et global.get](https://discourse.nodered.org/t/utilisation-global-set-et-global-get/99256)

<div class="topic-metadata">

**Author:** [@jmauv1](https://discourse.nodered.org/u/jmauv1)\
**Replies:** 3\
**Last updated:** [4 October 2025 06:54 UTC](https://discourse.nodered.org/t/utilisation-global-set-et-global-get/99256 "2025-10-04T06:54:51Z")

</div>

Bonjour à tous je cherche a détecter un changement d'état d'un shelly button pour détecter que je suis absent, j'ai décider de faire cette fonctionnalité avec le noeud function. Auparavant j'ai essayé avec les noeud fi…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=22)

[Next page](https://discourse.nodered.org/c/general/7.md?page=24)