# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=144

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

**Page:** 145

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## [Losing config node data overnight](https://discourse.nodered.org/t/losing-config-node-data-overnight/84312)

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**Author:** [@JasonBSteele](https://discourse.nodered.org/u/JasonBSteele)\
**Replies:** 6\
**Last updated:** [6 January 2024 11:42 UTC](https://discourse.nodered.org/t/losing-config-node-data-overnight/84312 "2024-01-06T11:42:32Z")

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Hi, I have NR running in docker on a Synology NAS. I use it with Home Assistant and a config node has the URL and key to connect. This has been working fine for a long time, but for the last few days (perhaps the start…

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## [More audio problems using exec node](https://discourse.nodered.org/t/more-audio-problems-using-exec-node/84263)

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**Author:** [@muggins](https://discourse.nodered.org/u/muggins)\
**Replies:** 11\
**Last updated:** [6 January 2024 08:47 UTC](https://discourse.nodered.org/t/more-audio-problems-using-exec-node/84263 "2024-01-06T08:47:14Z")

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Hi I've raised this issue before and Colin very kindly found a resolution. I've now completely rebuilt my PI4 around "Bookworm" and problem has arisen again. Using ssh to the PI if I enter: mpg123 /home/pi/recordings/t…

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## [Influxdb2 always in error](https://discourse.nodered.org/t/influxdb2-always-in-error/84075)

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**Author:** [@Phoenix](https://discourse.nodered.org/u/Phoenix)\
**Replies:** 20\
**Last updated:** [6 January 2024 08:23 UTC](https://discourse.nodered.org/t/influxdb2-always-in-error/84075 "2024-01-06T08:23:52Z")

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Dear all, I have a strange behavior of Influxdb2, every time I open the webpage to Node-RED the Influxdb2 node shows up with red error sign. But if I only refresh the settings, then it goes away. If I refresh the webpage…

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## ['Ring' camera motion event?](https://discourse.nodered.org/t/ring-camera-motion-event/84322)

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**Author:** [@Pinky](https://discourse.nodered.org/u/Pinky)\
**Replies:** 3\
**Last updated:** [5 January 2024 20:15 UTC](https://discourse.nodered.org/t/ring-camera-motion-event/84322 "2024-01-05T20:15:17Z")

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Hi everyone, I just installed a ring outdoor camera and am now trying to trigger events in my smarthome when the camera detects any motion. Unfortunatelly I don't get it working. iobroker does not send motions that are…

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## [Running into SSL/TLS problems with "http request" upgrading from 2.2.2 to 3.1.3](https://discourse.nodered.org/t/running-into-ssl-tls-problems-with-http-request-upgrading-from-2-2-2-to-3-1-3/84320)

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**Author:** [@rseffner](https://discourse.nodered.org/u/rseffner)\
**Replies:** 3\
**Last updated:** [5 January 2024 20:08 UTC](https://discourse.nodered.org/t/running-into-ssl-tls-problems-with-http-request-upgrading-from-2-2-2-to-3-1-3/84320 "2024-01-05T20:08:10Z")

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I got flows working with node-red v2.2.2 on dedian 12 with node.js v18.19.0 (from debian repo) using "http request" method against an https-server. As I upgraded node-red to v3.1.3 I got an "RequestError: write EPROTO 0…

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## [Pimoroni IO Expander](https://discourse.nodered.org/t/pimoroni-io-expander/84305)

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**Author:** [@LA9KY](https://discourse.nodered.org/u/LA9KY)\
**Replies:** 2\
**Last updated:** [5 January 2024 19:27 UTC](https://discourse.nodered.org/t/pimoroni-io-expander/84305 "2024-01-05T19:27:26Z")

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In another thread I got help with INA260 module for measuring analog values. I need 5 readings, and I see the INA260 is addressed 0x48 and 49, assume I can use a mux and in a way be able to have more than 2 connected on …

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## [Add js function available on every function node](https://discourse.nodered.org/t/add-js-function-available-on-every-function-node/84297)

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**Author:** [@hammeronthenet](https://discourse.nodered.org/u/hammeronthenet)\
**Replies:** 11\
**Last updated:** [5 January 2024 16:53 UTC](https://discourse.nodered.org/t/add-js-function-available-on-every-function-node/84297 "2024-01-05T16:53:20Z")

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Hi all, as wrote in subject: there's a way (better if not inside flows but in settings or in a more "low level" way) to add fucntions (or prototype extension) so that these functions are available everywhere in every "f…

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## [Where is Manage Palette in Node-RED 3.1.3?](https://discourse.nodered.org/t/where-is-manage-palette-in-node-red-3-1-3/84174)

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**Author:** [@dcaccount](https://discourse.nodered.org/u/dcaccount)\
**Replies:** 26\
**Last updated:** [5 January 2024 16:43 UTC](https://discourse.nodered.org/t/where-is-manage-palette-in-node-red-3-1-3/84174 "2024-01-05T16:43:24Z")

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Hello and Happy New Year! I have just installed in my Raspberry with Raspbian BookWorm Node-RED 3.1.3 and I cannot find any longer the Palette Manager. Where can I find it? Please advise, thanks, Daniele

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## [8-channel switch and tasmota](https://discourse.nodered.org/t/8-channel-switch-and-tasmota/84291)

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**Author:** [@MikeyDil](https://discourse.nodered.org/u/MikeyDil)\
**Replies:** 4\
**Last updated:** [5 January 2024 10:40 UTC](https://discourse.nodered.org/t/8-channel-switch-and-tasmota/84291 "2024-01-05T10:40:46Z")

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I have node-red-contrib-tasmota running on a WEMOS D1 mini. It is wired to an 8-channel relay board. My tasmota switch mode is set to 8 channels, but I can't figure out how to communicate with each channel. All my attemp…

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## [MySQL Javascript support](https://discourse.nodered.org/t/mysql-javascript-support/84292)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 2\
**Last updated:** [5 January 2024 05:03 UTC](https://discourse.nodered.org/t/mysql-javascript-support/84292 "2024-01-05T05:03:21Z")

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## [HTML Node, Dynamic Selector](https://discourse.nodered.org/t/html-node-dynamic-selector/84304)

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**Author:** [@n61ab](https://discourse.nodered.org/u/n61ab)\
**Replies:** 2\
**Last updated:** [4 January 2024 23:28 UTC](https://discourse.nodered.org/t/html-node-dynamic-selector/84304 "2024-01-04T23:28:18Z")

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The HTML node information panel says: ============= select string if not configured in the edit panel the selector can be set as a property of msg. ============== Question, How do I configure the sendor message prop…

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## [Sample 'http in' flow fails?](https://discourse.nodered.org/t/sample-http-in-flow-fails/84303)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 1\
**Last updated:** [4 January 2024 22:22 UTC](https://discourse.nodered.org/t/sample-http-in-flow-fails/84303 "2024-01-04T22:22:49Z")

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Simple 'http in' flow fails? I am trying to setup a very simple rest API in NR. Using the following example... https://cookbook.nodered.org/http/create-an-http-endpoint And when I do the following via curl in an SSH …

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## [Strange Time Difference in CRON Plus Node Trigger Time & Output](https://discourse.nodered.org/t/strange-time-difference-in-cron-plus-node-trigger-time-output/84140)

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**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 31\
**Last updated:** [4 January 2024 21:38 UTC](https://discourse.nodered.org/t/strange-time-difference-in-cron-plus-node-trigger-time-output/84140 "2024-01-04T21:38:05Z")

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I have noticed a difference of around 11 minutes between the time set for a schedule and the time that it is issued by cronplus. ( output from attached debug node at - 30/12/2023, 21:11:16\[node: CRON Schedules\] ) I have …

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## [New to Node Red, wondering how to read subfolders like sent from the email in node?](https://discourse.nodered.org/t/new-to-node-red-wondering-how-to-read-subfolders-like-sent-from-the-email-in-node/83894)

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**Author:** [@wi11](https://discourse.nodered.org/u/wi11)\
**Replies:** 2\
**Last updated:** [4 January 2024 19:51 UTC](https://discourse.nodered.org/t/new-to-node-red-wondering-how-to-read-subfolders-like-sent-from-the-email-in-node/83894 "2024-01-04T19:51:27Z")

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Hello, assistance is welcomed. Each time I type the name of the folder in the folder tab of the node, I keep getting a failed to catch folder error. Followed by the examples of folders I can choose from. Right now I'm in…

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## [GPIO and raspberry pi 5](https://discourse.nodered.org/t/gpio-and-raspberry-pi-5/84241)

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**Author:** [@Caspar](https://discourse.nodered.org/u/Caspar)\
**Replies:** 11\
**Last updated:** [4 January 2024 17:17 UTC](https://discourse.nodered.org/t/gpio-and-raspberry-pi-5/84241 "2024-01-04T17:17:55Z")

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I try to use the default GPIO pin-out and get the message : "nrgpio python command not running". obviously I'm doing something wrong, or I'm forgetting to install some basics into the Raspberry Pi. How can I get this w…

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## [BestPractice to manage/write JS (function-node) code outside Node-Red?](https://discourse.nodered.org/t/bestpractice-to-manage-write-js-function-node-code-outside-node-red/84245)

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**Author:** [@daspixel](https://discourse.nodered.org/u/daspixel)\
**Replies:** 3\
**Last updated:** [4 January 2024 17:12 UTC](https://discourse.nodered.org/t/bestpractice-to-manage-write-js-function-node-code-outside-node-red/84245 "2024-01-04T17:12:04Z")

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Hi, as my Node-Red is growing and growing, more function nodes I am starting to use. As I am using VSCode and GitLab allready my Question is: Is there a better way of managing my function nodes than copy/paste betwee…

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## [How can I receive & send Data in Node-RED as JSON ... in a easy to understand way?](https://discourse.nodered.org/t/how-can-i-receive-send-data-in-node-red-as-json-in-a-easy-to-understand-way/84242)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 15\
**Last updated:** [4 January 2024 16:39 UTC](https://discourse.nodered.org/t/how-can-i-receive-send-data-in-node-red-as-json-in-a-easy-to-understand-way/84242 "2024-01-04T16:39:05Z")

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Hi, Currently I get data from Arduino modules, received into my project like this ... Module 91 - Temperature - DHT 01 ... 21 Module 91 - Humidity - DHT 01 ... 85 Module 91 - Temperature - DHT 02 ... 18 Module 91 …

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## [Subroutine Missing return node information](https://discourse.nodered.org/t/subroutine-missing-return-node-information/84289)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 20\
**Last updated:** [4 January 2024 16:12 UTC](https://discourse.nodered.org/t/subroutine-missing-return-node-information/84289 "2024-01-04T16:12:27Z")

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I have this subroutine which I am calling with a link call node: I am always getting "Missing return node information", due to the split function, which contains: msg.payload.split("##").forEach(e =\> { if (!e) …

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## [Try Serial Communication with Function Node in Node-RED MCU](https://discourse.nodered.org/t/try-serial-communication-with-function-node-in-node-red-mcu/84193)

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**Author:** [@mshioji](https://discourse.nodered.org/u/mshioji)\
**Replies:** 6\
**Last updated:** [4 January 2024 15:34 UTC](https://discourse.nodered.org/t/try-serial-communication-with-function-node-in-node-red-mcu/84193 "2024-01-04T15:34:34Z")

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Hello, I'm new here. Recently I wrote an article in Qiita.com then @phoddie encouraged me to share it for this forum. here is the English version of the article, hope someone enjoy it. (press :heart: if you like it. …

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## [Search link call nodes in the editor](https://discourse.nodered.org/t/search-link-call-nodes-in-the-editor/84278)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 13\
**Last updated:** [4 January 2024 10:32 UTC](https://discourse.nodered.org/t/search-link-call-nodes-in-the-editor/84278 "2024-01-04T10:32:03Z")

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I have several link call nodes spread all over my project, each one linking to the same subroutine. Now, I am in the need to find all of them, but I can't find any way to reach this. No dashed lines in the link in node,…

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## [What is the function of file 【/usr/src/node-red/core】 in Node-Red?](https://discourse.nodered.org/t/what-is-the-function-of-file-usr-src-node-red-core-in-node-red/84267)

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**Author:** [@Yesung](https://discourse.nodered.org/u/Yesung)\
**Replies:** 5\
**Last updated:** [4 January 2024 10:03 UTC](https://discourse.nodered.org/t/what-is-the-function-of-file-usr-src-node-red-core-in-node-red/84267 "2024-01-04T10:03:55Z")

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I installed a Docker based Node-Red on the ARM v7 architecture in the Ubuntu system, It was found that in the Docker, there is a file space occupying a large amount (/usr/src/node-red/core, size 593.1M), What is the pu…

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## [Trigger needed to detect a string status going from 'on' to 'off'](https://discourse.nodered.org/t/trigger-needed-to-detect-a-string-status-going-from-on-to-off/84270)

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**Author:** [@Outsidewall](https://discourse.nodered.org/u/Outsidewall)\
**Replies:** 3\
**Last updated:** [4 January 2024 07:48 UTC](https://discourse.nodered.org/t/trigger-needed-to-detect-a-string-status-going-from-on-to-off/84270 "2024-01-04T07:48:58Z")

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Hello, I must be missing something, maybe brain cells, I can not seem to find a flow addon that follows the following pattern. Detecting a state change of a string from 'on' to 'off' or in fact from any string to anothe…

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## [Cloudflare DynDNS Update](https://discourse.nodered.org/t/cloudflare-dyndns-update/84257)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 2\
**Last updated:** [3 January 2024 20:26 UTC](https://discourse.nodered.org/t/cloudflare-dyndns-update/84257 "2024-01-03T20:26:58Z")

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Hi, do you know how to create a http request for updating my Cloudflare DNS? the Cloudflare Api docu says: curl --request PUT \\ --url https://api.cloudflare.com/client/v4/zones/zone\_identifier/dns\_records/identifier …

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## [Is this a bug? Flow variables behaving strangely!](https://discourse.nodered.org/t/is-this-a-bug-flow-variables-behaving-strangely/84259)

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**Author:** [@chrisofCCL](https://discourse.nodered.org/u/chrisofCCL)\
**Replies:** 3\
**Last updated:** [3 January 2024 19:38 UTC](https://discourse.nodered.org/t/is-this-a-bug-flow-variables-behaving-strangely/84259 "2024-01-03T19:38:10Z")

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I've been away from NR for a while, but I think I've found a bug in 3.1.3,unless I'm misunderstanding flow context. I'm setting a flow context variable and then changing the local variable that it's set to. When I subse…

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## [Global Environment Variables credentials are lost](https://discourse.nodered.org/t/global-environment-variables-credentials-are-lost/84252)

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**Author:** [@dzm](https://discourse.nodered.org/u/dzm)\
**Replies:** 5\
**Last updated:** [3 January 2024 15:16 UTC](https://discourse.nodered.org/t/global-environment-variables-credentials-are-lost/84252 "2024-01-03T15:16:12Z")

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(Somewhat related to: 0. Reading global environment variable from function node Flow Environment credentials are lost ) Hello. I am having trouble reliably using credential values saved as Global Environment Variable…

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## [Problems with node-red-contrib-owfs on Node-red 3.1.3 and bullseye and node-js 18](https://discourse.nodered.org/t/problems-with-node-red-contrib-owfs-on-node-red-3-1-3-and-bullseye-and-node-js-18/84222)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 12\
**Last updated:** [3 January 2024 15:10 UTC](https://discourse.nodered.org/t/problems-with-node-red-contrib-owfs-on-node-red-3-1-3-and-bullseye-and-node-js-18/84222 "2024-01-03T15:10:38Z")

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Node-red 3.1.3 has problems starting with node-red-contrib-owfs. Are there any problems known. Is this contrib still supported? Any advice and support very welcome

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## [No timeout in subroutines](https://discourse.nodered.org/t/no-timeout-in-subroutines/84255)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 5\
**Last updated:** [3 January 2024 14:19 UTC](https://discourse.nodered.org/t/no-timeout-in-subroutines/84255 "2024-01-03T14:19:35Z")

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I have a subroutine (that I call with a link call node) which doesn't have a link out node (i.e. "SendToTelegram"). How can I avoid the timeout of the link call node?

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## [BestPractice to reuse Subflow and set paramters for specific instance?](https://discourse.nodered.org/t/bestpractice-to-reuse-subflow-and-set-paramters-for-specific-instance/84247)

<div class="topic-metadata">

**Author:** [@daspixel](https://discourse.nodered.org/u/daspixel)\
**Replies:** 8\
**Last updated:** [3 January 2024 13:26 UTC](https://discourse.nodered.org/t/bestpractice-to-reuse-subflow-and-set-paramters-for-specific-instance/84247 "2024-01-03T13:26:24Z")

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Hi, I wanted to create a function that gets 1 dynamic parameter 4 static parameters for each instance. I found that a multi input function node is NOT wanted and why I can fully understand and accept this! (I do no…

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## [Unable to install library](https://discourse.nodered.org/t/unable-to-install-library/84228)

<div class="topic-metadata">

**Author:** [@patofoto](https://discourse.nodered.org/u/patofoto)\
**Replies:** 2\
**Last updated:** [3 January 2024 12:14 UTC](https://discourse.nodered.org/t/unable-to-install-library/84228 "2024-01-03T12:14:47Z")

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Assuming this is a nubie question. Trying to install the Unicorn-hat Python library on a RPi Zero W with: curl -sS https://get.pimoroni.com/unicornhat | bash Getting this message: This script will install everything …

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## [Passing payload into http node](https://discourse.nodered.org/t/passing-payload-into-http-node/84246)

<div class="topic-metadata">

**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 2\
**Last updated:** [3 January 2024 10:14 UTC](https://discourse.nodered.org/t/passing-payload-into-http-node/84246 "2024-01-03T10:14:19Z")

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Hello I have an API for my air con system. I can turn the system on using http://ip\_address/setAircon?json={"ac1":{"info":{"state":"on"}}} I have tried to use a http request node as follows: http://ip\_address/setAirc…

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