# Latest

**URL:** https://discourse.nodered.org/latest.md?page=253

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

**Page:** 254

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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)

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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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## [Energy flow widget](https://discourse.nodered.org/t/energy-flow-widget/84281)

<div class="topic-metadata">

**Author:** [@Langer75](https://discourse.nodered.org/u/Langer75)\
**Replies:** 0\
**Last updated:** [4 January 2024 10:27 UTC](https://discourse.nodered.org/t/energy-flow-widget/84281 "2024-01-04T10:27:45Z")

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Ok, I reopen the topic Power card flow. Thank you for the first steps. I picked both nodes and refined it a bit as suggested. I have merged it to only one template node with a style section in the head section. I replace…

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

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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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## [How to implement SSO (Single Sign-On) based on Node-RED and passport-oauth2](https://discourse.nodered.org/t/how-to-implement-sso-single-sign-on-based-on-node-red-and-passport-oauth2/84254)

<div class="topic-metadata">

**Author:** [@ltanme](https://discourse.nodered.org/u/ltanme)\
**Replies:** 4\
**Last updated:** [4 January 2024 13:23 UTC](https://discourse.nodered.org/t/how-to-implement-sso-single-sign-on-based-on-node-red-and-passport-oauth2/84254 "2024-01-04T13:23:22Z")

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I have implemented it through the following five-step process, but I don’t know how to handle steps 4 and 5. I have already obtained my access token, but I don’t know how to redirect to execute the callback verify method…

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## [How do i setup a coordinates marker on google map](https://discourse.nodered.org/t/how-do-i-setup-a-coordinates-marker-on-google-map/84283)

<div class="topic-metadata">

**Author:** [@Engineer\_M](https://discourse.nodered.org/u/Engineer_M)\
**Replies:** 4\
**Last updated:** [4 January 2024 12:35 UTC](https://discourse.nodered.org/t/how-do-i-setup-a-coordinates-marker-on-google-map/84283 "2024-01-04T12:35:48Z")

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hi everyone, sorry how do i set coordinates marker on a google map node?

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## [Print dashboard with control+P don't align page on center](https://discourse.nodered.org/t/print-dashboard-with-control-p-dont-align-page-on-center/84286)

<div class="topic-metadata">

**Author:** [@elyancorrea](https://discourse.nodered.org/u/elyancorrea)\
**Replies:** 2\
**Last updated:** [4 January 2024 12:28 UTC](https://discourse.nodered.org/t/print-dashboard-with-control-p-dont-align-page-on-center/84286 "2024-01-04T12:28:03Z")

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Hello everyone, I'm encountering an issue when attempting to print a dashboard using the control+P command from my browser. The printed output seems to be decentralized, and I've tried using a node template to manage th…

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## [✨ UIBUILDER New Release v6.8.2 - (Important Bug Fix for v6.8.1) \<uib-var\> and router improvements and more](https://discourse.nodered.org/t/uibuilder-new-release-v6-8-2-important-bug-fix-for-v6-8-1-uib-var-and-router-improvements-and-more/84181)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 16\
**Last updated:** [4 January 2024 12:19 UTC](https://discourse.nodered.org/t/uibuilder-new-release-v6-8-2-important-bug-fix-for-v6-8-1-uib-var-and-router-improvements-and-more/84181 "2024-01-04T12:19:34Z")

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UPDATE 2024-01-04 - Important bug fix release. Please update ASAP, especially if using the new router or the uib-save node. See separate post below to see the changes. UPDATE 2024-01-02 - Bug fix update released. Please…

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## [\[Closed duplicate\] Zwave program error](https://discourse.nodered.org/t/closed-duplicate-zwave-program-error/84275)

<div class="topic-metadata">

**Author:** [@daak](https://discourse.nodered.org/u/daak)\
**Replies:** 1\
**Last updated:** [4 January 2024 12:11 UTC](https://discourse.nodered.org/t/closed-duplicate-zwave-program-error/84275 "2024-01-04T12:11:35Z")

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I have a z wave program with 189 remotecs zxt 600 the goal is to send shutdown commands to air conditioning units in the evening. I noticed that the program in auto mode does not work. I don't know where the problem com…

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

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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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## [Implementing Admin Approval for User-Created Workflows in Node-RED](https://discourse.nodered.org/t/implementing-admin-approval-for-user-created-workflows-in-node-red/83424)

<div class="topic-metadata">

**Author:** [@ltanme](https://discourse.nodered.org/u/ltanme)\
**Replies:** 4\
**Last updated:** [4 January 2024 06:34 UTC](https://discourse.nodered.org/t/implementing-admin-approval-for-user-created-workflows-in-node-red/83424 "2024-01-04T06:34:38Z")

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I have an idea to add a feature in the Node-RED source code. This feature would require that after a user creates their own workflow, it must be approved by an administrator before it can be deployed. How can this be imp…

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## [UIBUILDER Front-end routing example](https://discourse.nodered.org/t/uibuilder-front-end-routing-example/83319)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 8\
**Last updated:** [3 January 2024 23:31 UTC](https://discourse.nodered.org/t/uibuilder-front-end-routing-example/83319 "2024-01-03T23:31:53Z")

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Here is a complete flow that tests out the front-end router introduced in v6.7. It mostly uses front-end code but it uses the recently introduced uib-save node to provide a small flow that sets up all of the front-end fi…

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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)

<div class="topic-metadata">

**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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## [Fake machine for movie prop](https://discourse.nodered.org/t/fake-machine-for-movie-prop/84258)

<div class="topic-metadata">

**Author:** [@patofoto](https://discourse.nodered.org/u/patofoto)\
**Replies:** 1\
**Last updated:** [3 January 2024 16:57 UTC](https://discourse.nodered.org/t/fake-machine-for-movie-prop/84258 "2024-01-03T16:57:11Z")

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I am building a fake machine for a student film. I am building it with a RPi Zero W. It has: -Servo Motor Hat -PiSugar Battery Hat -Six character TM1637 LED Display -Two SG90 servo motors -One SK6812 RGBW light str…

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

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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)

<div class="topic-metadata">

**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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## [\[2/2 : Dynamic Styling\] Dashboard + Grafana + Device Idiom](https://discourse.nodered.org/t/2-2-dynamic-styling-dashboard-grafana-device-idiom/84106)

<div class="topic-metadata">

**Author:** [@martin2day](https://discourse.nodered.org/u/martin2day)\
**Replies:** 7\
**Last updated:** [3 January 2024 11:16 UTC](https://discourse.nodered.org/t/2-2-dynamic-styling-dashboard-grafana-device-idiom/84106 "2024-01-03T11:16:22Z")

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Hello, i am new to Node Red and have some trouble to find a good solution. I use the Node Red Dashboard an my Mac and also on my iPhone. Especially the Grafana Dashboards I want to show in another width on both device…

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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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## [Change colour of dot on slider](https://discourse.nodered.org/t/change-colour-of-dot-on-slider/84243)

<div class="topic-metadata">

**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 2\
**Last updated:** [3 January 2024 09:33 UTC](https://discourse.nodered.org/t/change-colour-of-dot-on-slider/84243 "2024-01-03T09:33:29Z")

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Hello Can someone please tell me which property I need to change to make the dot on the slider a custom colour (say white)? I have found all of these in the page inspect, but not sure which one does the dot when it i…

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## [ERR! ENOTEMPTY: directory not empty, rename, Can you comment the error here?](https://discourse.nodered.org/t/err-enotempty-directory-not-empty-rename-can-you-comment-the-error-here/84239)

<div class="topic-metadata">

**Author:** [@sercancetin](https://discourse.nodered.org/u/sercancetin)\
**Replies:** 3\
**Last updated:** [3 January 2024 09:15 UTC](https://discourse.nodered.org/t/err-enotempty-directory-not-empty-rename-can-you-comment-the-error-here/84239 "2024-01-03T09:15:52Z")

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Can you comment the error here? What do you think is due to this? thank you for your attention 2024-01-03T07:33:14.144Z Remove : interra-io-background-services 2024-01-03T07:33:14.478Z npm remove --no-audit --no-update…

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## [Sending image (binary data) via pushover](https://discourse.nodered.org/t/sending-image-binary-data-via-pushover/84200)

<div class="topic-metadata">

**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 20\
**Last updated:** [3 January 2024 07:43 UTC](https://discourse.nodered.org/t/sending-image-binary-data-via-pushover/84200 "2024-01-03T07:43:53Z")

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Hello Just wondering if anyone has managed to send an image (binary format) via pushover ? I have pushover working successfully with nodered using node-red-node-pushover. Just can't work out how to send an image.

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## [Problem topic switch + node function](https://discourse.nodered.org/t/problem-topic-switch-node-function/84171)

<div class="topic-metadata">

**Author:** [@claza61](https://discourse.nodered.org/u/claza61)\
**Replies:** 8\
**Last updated:** [3 January 2024 07:35 UTC](https://discourse.nodered.org/t/problem-topic-switch-node-function/84171 "2024-01-03T07:35:47Z")

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hi, I have to calculate the perceived temperature in a home, up to now I have used temperature and humidity (from Knx) to calculate it and the node function has always worked correctly. I would also like to insert the ex…

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## [How do you select a specific row in a table again?](https://discourse.nodered.org/t/how-do-you-select-a-specific-row-in-a-table-again/84227)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 0\
**Last updated:** [3 January 2024 02:01 UTC](https://discourse.nodered.org/t/how-do-you-select-a-specific-row-in-a-table-again/84227 "2024-01-03T02:01:01Z")

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How do you select a specific row in a table again? Been awhile since I did this, and realized I forgot something about how to do it. msg.payload = { command: 'SelectRow', arguments: \[0\], returnPromise: fals…

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