# Latest

**URL:** https://discourse.nodered.org/latest.md?page=125

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

**Page:** 126

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## [Need to get at a node from a backup](https://discourse.nodered.org/t/need-to-get-at-a-node-from-a-backup/93552)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 2\
**Last updated:** [28 November 2024 19:04 UTC](https://discourse.nodered.org/t/need-to-get-at-a-node-from-a-backup/93552 "2024-11-28T19:04:25Z")

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So, I'm making daily backups of my Pi NR install and I need to grab a node from within the backup so I can re-import it back into the original. What's going to be the easiest way to do this? The backup I have is a comp…

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## [How to add border to switch node](https://discourse.nodered.org/t/how-to-add-border-to-switch-node/92637)

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**Author:** [@NodyRed](https://discourse.nodered.org/u/NodyRed)\
**Replies:** 11\
**Last updated:** [28 November 2024 18:46 UTC](https://discourse.nodered.org/t/how-to-add-border-to-switch-node/92637 "2024-11-28T18:46:06Z")

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I'm using a dashboard switch node with icon, but with no label so it can be 1x1 in size. Can I somehow get a border around the 1x1 square so that it would look like a button. A dashboard button has this grey shine aroun…

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## [Passing values through nodes that removes everything](https://discourse.nodered.org/t/passing-values-through-nodes-that-removes-everything/93545)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 3\
**Last updated:** [28 November 2024 17:46 UTC](https://discourse.nodered.org/t/passing-values-through-nodes-that-removes-everything/93545 "2024-11-28T17:46:47Z")

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I know it depends on implementation of each individual node how they handle other members of msg. But some nodes I work with discards everything and only outputs for example topic & payload. It's super annoying when you …

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## [Searching for node types amongst node packages](https://discourse.nodered.org/t/searching-for-node-types-amongst-node-packages/93550)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 4\
**Last updated:** [28 November 2024 17:09 UTC](https://discourse.nodered.org/t/searching-for-node-types-amongst-node-packages/93550 "2024-11-28T17:09:46Z")

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Hi There, is there a simple way to find packages the provide specific node types? For example like this: turns out when I search for string, I get this: the package in red actually provides the node type string …

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## [Anyone using the Sonos SNZB-01P](https://discourse.nodered.org/t/anyone-using-the-sonos-snzb-01p/93407)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [28 November 2024 14:14 UTC](https://discourse.nodered.org/t/anyone-using-the-sonos-snzb-01p/93407 "2024-11-28T14:14:29Z")

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..and if so - with what Zigbee hub/controller thingy? as I can't get mind to work with my Zigbee Echo Dot (it thinks its a light switch)

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## [Modify dashboard response code](https://discourse.nodered.org/t/modify-dashboard-response-code/93547)

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**Author:** [@elegant\_dijkstra](https://discourse.nodered.org/u/elegant_dijkstra)\
**Replies:** 0\
**Last updated:** [28 November 2024 13:57 UTC](https://discourse.nodered.org/t/modify-dashboard-response-code/93547 "2024-11-28T13:57:36Z")

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Hello everyone, I would like to alter the response code the dashboard sends when a new connection is made. depending on conditions in a flow, I would like to return, for instance, 503 instead of 200. Is that possible? …

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## [Installing N-R on bazzite](https://discourse.nodered.org/t/installing-n-r-on-bazzite/93542)

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**Author:** [@darkdude](https://discourse.nodered.org/u/darkdude)\
**Replies:** 1\
**Last updated:** [28 November 2024 11:53 UTC](https://discourse.nodered.org/t/installing-n-r-on-bazzite/93542 "2024-11-28T11:53:42Z")

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Hi, I'm trying to install Node Red on bazzitte (a gaming oriented, Fedora based distro) using the official installation script. Most of my Linux experience is with Debian based distros, therefore I'm not familiar with …

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## [Session Management and UI Redirection in Node-RED Dashboard Widgets](https://discourse.nodered.org/t/session-management-and-ui-redirection-in-node-red-dashboard-widgets/93539)

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**Author:** [@DhamodharanGopal](https://discourse.nodered.org/u/DhamodharanGopal)\
**Replies:** 0\
**Last updated:** [28 November 2024 09:51 UTC](https://discourse.nodered.org/t/session-management-and-ui-redirection-in-node-red-dashboard-widgets/93539 "2024-11-28T09:51:15Z")

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I'm implementing session management in my Node-RED ui\_base.js file and handling user sessions using WebSocket cookies. Here are the challenges and requirements I'm facing: Redirect to Login on Session Expiry: I've im…

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## [Project-in/out scaling & latency](https://discourse.nodered.org/t/project-in-out-scaling-latency/93532)

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**Author:** [@butteronadonut](https://discourse.nodered.org/u/butteronadonut)\
**Replies:** 3\
**Last updated:** [28 November 2024 09:28 UTC](https://discourse.nodered.org/t/project-in-out-scaling-latency/93532 "2024-11-28T09:28:14Z")

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What are some of the limitations around project-in/out nodes? Specifically around the rate they can handle? does the size of message matter? I have an application where I'm often publishing (project-out node) over 100k…

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## [Problem using node-red-contrib-graph-oauth-login](https://discourse.nodered.org/t/problem-using-node-red-contrib-graph-oauth-login/93510)

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**Author:** [@egrootoonk](https://discourse.nodered.org/u/egrootoonk)\
**Replies:** 3\
**Last updated:** [28 November 2024 08:42 UTC](https://discourse.nodered.org/t/problem-using-node-red-contrib-graph-oauth-login/93510 "2024-11-28T08:42:50Z")

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I'm struggling to access the MS Graph API using the node-red-contrib-graph-oauth-login. Flow: Inject | node-red-contrib-graph-oauth-login | http request | Debug I've setup the Azure part and it's working. If I grab the…

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## [Troubleshooting Blank Page Issue with Node-RED Service Behind AWS API Gateway](https://discourse.nodered.org/t/troubleshooting-blank-page-issue-with-node-red-service-behind-aws-api-gateway/93507)

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**Author:** [@vidit.khemka](https://discourse.nodered.org/u/vidit.khemka)\
**Replies:** 8\
**Last updated:** [28 November 2024 06:42 UTC](https://discourse.nodered.org/t/troubleshooting-blank-page-issue-with-node-red-service-behind-aws-api-gateway/93507 "2024-11-28T06:42:33Z")

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Hello everyone, I’m struggling to get AWS API Gateway to properly load my Node-RED service. I’m encountering an issue where I just see a blank page. When I access the application directly via its IP address (bypassing …

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## [Philips Hue HTTPS](https://discourse.nodered.org/t/philips-hue-https/93528)

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**Author:** [@TheadehAnank](https://discourse.nodered.org/u/TheadehAnank)\
**Replies:** 0\
**Last updated:** [28 November 2024 01:14 UTC](https://discourse.nodered.org/t/philips-hue-https/93528 "2024-11-28T01:14:54Z")

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My Philips Hue integrations stopped working. Apprently HTTP is depcrated, so the HTTP request node must be configured for HTTPS. I've enabled SSL/TLS added the CA certificate posted on the Hue Developer site set the S…

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## [Querying databricks from Node Red](https://discourse.nodered.org/t/querying-databricks-from-node-red/93490)

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**Author:** [@stephr](https://discourse.nodered.org/u/stephr)\
**Replies:** 2\
**Last updated:** [27 November 2024 23:39 UTC](https://discourse.nodered.org/t/querying-databricks-from-node-red/93490 "2024-11-27T23:39:39Z")

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Hi, was wondering if anyone has experience querying Databricks (on Azure) from Node Red? I was hoping there might be an existing library that I can use, rather than building my own flow from scratch, but so far I haven't…

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## [Dashboard Template Colors Not Updating as Expected](https://discourse.nodered.org/t/dashboard-template-colors-not-updating-as-expected/93523)

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**Author:** [@crokett](https://discourse.nodered.org/u/crokett)\
**Replies:** 3\
**Last updated:** [27 November 2024 18:09 UTC](https://discourse.nodered.org/t/dashboard-template-colors-not-updating-as-expected/93523 "2024-11-27T18:09:16Z")

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I am working on a project that will eventually use a Raspberry Pi to start and stop my generator via relays on the fuel and starter solenoids. I have a basic POC working on my desk. I need to still work out the final l…

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## [Random ECONNRESET & ETIMEDOUT http request errors](https://discourse.nodered.org/t/random-econnreset-etimedout-http-request-errors/93515)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 3\
**Last updated:** [27 November 2024 15:49 UTC](https://discourse.nodered.org/t/random-econnreset-etimedout-http-request-errors/93515 "2024-11-27T15:49:44Z")

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Got some node red instances running on different locations, most are 'edge' instances running on physical pi5. One is 'cloud' instance running on azure. All of them send data, mostly http post / rest request API to Thing…

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## [Dropdown not clearing when passing empty array](https://discourse.nodered.org/t/dropdown-not-clearing-when-passing-empty-array/93485)

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**Author:** [@rbmgf7](https://discourse.nodered.org/u/rbmgf7)\
**Replies:** 9\
**Last updated:** [27 November 2024 12:47 UTC](https://discourse.nodered.org/t/dropdown-not-clearing-when-passing-empty-array/93485 "2024-11-27T12:47:26Z")

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For some reason it's not working. It'll clear whatever value is present in the dropdown but the rest of the msg.options are still there when you click back on the dropdown. The instructions also say to pass a Boolean tr…

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## [New Tab Opens Login Page Even When Already Logged In (Node-RED Session Issue)](https://discourse.nodered.org/t/new-tab-opens-login-page-even-when-already-logged-in-node-red-session-issue/93482)

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**Author:** [@LoganathanSambath](https://discourse.nodered.org/u/LoganathanSambath)\
**Replies:** 0\
**Last updated:** [26 November 2024 17:31 UTC](https://discourse.nodered.org/t/new-tab-opens-login-page-even-when-already-logged-in-node-red-session-issue/93482 "2024-11-26T17:31:57Z")

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I'm working on a Node-RED application, and I'm encountering an issue with session handling when opening a new tab in the same browser. Here's what's happening: I log in to http://localhost:1880/api/login in one tab, wh…

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## [Generate values and publish to MQTT topic](https://discourse.nodered.org/t/generate-values-and-publish-to-mqtt-topic/93519)

<div class="topic-metadata">

**Author:** [@atux\_null](https://discourse.nodered.org/u/atux_null)\
**Replies:** 2\
**Last updated:** [27 November 2024 14:30 UTC](https://discourse.nodered.org/t/generate-values-and-publish-to-mqtt-topic/93519 "2024-11-27T14:30:21Z")

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setup consists of a MQTT broker running in a PC. Node red runs in a Raspberry PI. i would like to generate fake values every 5 secs repeatedly of WATTS in the range 1-5 with 2 decimal points. Then send those values to …

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## [Live CKAN sensor data to Node-RED worldmap](https://discourse.nodered.org/t/live-ckan-sensor-data-to-node-red-worldmap/93517)

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**Author:** [@540346411](https://discourse.nodered.org/u/540346411)\
**Replies:** 0\
**Last updated:** [27 November 2024 13:21 UTC](https://discourse.nodered.org/t/live-ckan-sensor-data-to-node-red-worldmap/93517 "2024-11-27T13:21:59Z")

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Hello there, I'm trying to make a live map using real life data from a CKAN URL. I have never used NODE-Red before, so i am a complete noob, but love it so far! The problem I face is that the points on the map doesnt …

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## [N2n node only passing payload?](https://discourse.nodered.org/t/n2n-node-only-passing-payload/93267)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 4\
**Last updated:** [27 November 2024 13:21 UTC](https://discourse.nodered.org/t/n2n-node-only-passing-payload/93267 "2024-11-27T13:21:09Z")

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I am trying to use the n2n node that @dceejay created quite a few years ago. But it seems that the n2n input node only outputs payload. Here are some code examples: Input to n2n output node: but the output from a n2…

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## [Getting data from a barcode scanner into a Raspberry Pi (without using a dashboard)](https://discourse.nodered.org/t/getting-data-from-a-barcode-scanner-into-a-raspberry-pi-without-using-a-dashboard/93512)

<div class="topic-metadata">

**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 1\
**Last updated:** [27 November 2024 12:48 UTC](https://discourse.nodered.org/t/getting-data-from-a-barcode-scanner-into-a-raspberry-pi-without-using-a-dashboard/93512 "2024-11-27T12:48:07Z")

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Looking for an alternative to outrageously expensive industrial-grade barcode scanners for tracking start/end batch times in some of the old production lines (you know, the ones controlled by analog relays and timers, wi…

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## [How to delete subjects?](https://discourse.nodered.org/t/how-to-delete-subjects/93505)

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**Author:** [@pierredemay](https://discourse.nodered.org/u/pierredemay)\
**Replies:** 3\
**Last updated:** [27 November 2024 09:03 UTC](https://discourse.nodered.org/t/how-to-delete-subjects/93505 "2024-11-27T09:03:19Z")

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Hi there, I just want to delete my subjects for some reasons, how can I do it ? Thanks.

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## [Dim Homematic device with node-red](https://discourse.nodered.org/t/dim-homematic-device-with-node-red/93347)

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**Author:** [@Pinky](https://discourse.nodered.org/u/Pinky)\
**Replies:** 4\
**Last updated:** [27 November 2024 07:55 UTC](https://discourse.nodered.org/t/dim-homematic-device-with-node-red/93347 "2024-11-27T07:55:53Z")

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Hi everyone, I am currently installing a homeassistant. I connected several services in the homeassistant and all devices work fine in the homeassistant. I can switch and dim them in homeassistant. Now I try to access …

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## [🚀 Introducing Industrial Visionaries](https://discourse.nodered.org/t/introducing-industrial-visionaries/93494)

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**Author:** [@sumitshinde-84](https://discourse.nodered.org/u/sumitshinde-84)\
**Replies:** 0\
**Last updated:** [27 November 2024 06:06 UTC](https://discourse.nodered.org/t/introducing-industrial-visionaries/93494 "2024-11-27T06:06:45Z")

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We’re excited to launch Industrial Visionaries, our new podcast series exploring how technology is transforming the manufacturing industry. Each episode features insightful conversations with leaders and innovators drivi…

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## [Sending MQTT topic as bytestring to ESP8266/32 modules?](https://discourse.nodered.org/t/sending-mqtt-topic-as-bytestring-to-esp8266-32-modules/93454)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 5\
**Last updated:** [26 November 2024 21:35 UTC](https://discourse.nodered.org/t/sending-mqtt-topic-as-bytestring-to-esp8266-32-modules/93454 "2024-11-26T21:35:28Z")

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So the MQTT support in MicroPython for ESP8266 and ESP32 modules is a bit unique. The MQTT topic needs to be 'b'string, i.e. a bytestring per python notation. I have been successful publishing MQTT messages from MicroP…

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## [Flow performance review](https://discourse.nodered.org/t/flow-performance-review/86113)

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**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 15\
**Last updated:** [26 November 2024 19:16 UTC](https://discourse.nodered.org/t/flow-performance-review/86113 "2024-11-26T19:16:49Z")

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Looong time user of nodered here, and have been amazed by the performance even under my elaborate and inefficient flows over the years. So I have been spared having to find bottlenecks and optimizing much. I recently re…

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## [SQL array to dropdown just lists the labels](https://discourse.nodered.org/t/sql-array-to-dropdown-just-lists-the-labels/93462)

<div class="topic-metadata">

**Author:** [@rbmgf7](https://discourse.nodered.org/u/rbmgf7)\
**Replies:** 4\
**Last updated:** [26 November 2024 16:23 UTC](https://discourse.nodered.org/t/sql-array-to-dropdown-just-lists-the-labels/93462 "2024-11-26T16:23:18Z")

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I can't figure out how to get the dropdown to list the values as the options. It only lists the labels so "PumpType" is listed 5 times in the dropdown. I need the dropdown to list the "Value1, Value2,...Value5" instea…

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## [Help for NR to MQTT by variable msg](https://discourse.nodered.org/t/help-for-nr-to-mqtt-by-variable-msg/93480)

<div class="topic-metadata">

**Author:** [@stephane.olivier](https://discourse.nodered.org/u/stephane.olivier)\
**Replies:** 4\
**Last updated:** [26 November 2024 16:06 UTC](https://discourse.nodered.org/t/help-for-nr-to-mqtt-by-variable-msg/93480 "2024-11-26T16:06:17Z")

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Hello, Thanks for reading me. I can send a message on a Mqtt topic, it works! But NR leaves me an error and I don't like that. Sending code: msg.topic = "EffiCompteV2\_485/Action"; msg.payload = "getModBus=01060011…

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## [Dashboard 2.0 ui elements order in subworkflow](https://discourse.nodered.org/t/dashboard-2-0-ui-elements-order-in-subworkflow/93383)

<div class="topic-metadata">

**Author:** [@NodyRed](https://discourse.nodered.org/u/NodyRed)\
**Replies:** 9\
**Last updated:** [26 November 2024 15:07 UTC](https://discourse.nodered.org/t/dashboard-2-0-ui-elements-order-in-subworkflow/93383 "2024-11-26T15:07:16Z")

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Adding multiple ui elements to a subworkflow, they appear in the order they were added. How can the order be changed?

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## [Node-Red in EC2-Amazon Linux accessed by https](https://discourse.nodered.org/t/node-red-in-ec2-amazon-linux-accessed-by-https/93477)

<div class="topic-metadata">

**Author:** [@bobfield](https://discourse.nodered.org/u/bobfield)\
**Replies:** 5\
**Last updated:** [26 November 2024 14:20 UTC](https://discourse.nodered.org/t/node-red-in-ec2-amazon-linux-accessed-by-https/93477 "2024-11-26T14:20:29Z")

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Hi Dears, I have a node-red application running with http on an EC2-Amazon Linux server. I would like to be able to access it using https. From what I've read, I'll have to put a certificate on EC2 and change the settin…

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