# Latest

**URL:** https://discourse.nodered.org/latest.md?page=284

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

**Page:** 285

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## [Keep the flows running after closing the web browser](https://discourse.nodered.org/t/keep-the-flows-running-after-closing-the-web-browser/82348)

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**Author:** [@zouhir](https://discourse.nodered.org/u/zouhir)\
**Replies:** 2\
**Last updated:** [26 October 2023 07:01 UTC](https://discourse.nodered.org/t/keep-the-flows-running-after-closing-the-web-browser/82348 "2023-10-26T07:01:29Z")

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Hi, can anyone tell whether it is possible to keep the flows running on the background after closing the web browser ? In my case, whenever I close chrome window node-red flows stop. Is there anyway to do that ? Same que…

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## [Read Summary of Mqtt Topics](https://discourse.nodered.org/t/read-summary-of-mqtt-topics/82331)

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**Author:** [@Starfoxfs](https://discourse.nodered.org/u/Starfoxfs)\
**Replies:** 4\
**Last updated:** [25 October 2023 16:59 UTC](https://discourse.nodered.org/t/read-summary-of-mqtt-topics/82331 "2023-10-25T16:59:39Z")

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Hi, is there a way to read the summary of all MQTT Topics in e.g. /AhoyDTU/HM1500/ .... My Problem is from Shelly EM i get a complete Parsed JSON Objekt with all Data in it from SHELLY/SENSOR/. Like this: { "Time":…

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## [Using Node RED as an API management platform](https://discourse.nodered.org/t/using-node-red-as-an-api-management-platform/82328)

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**Author:** [@Josh](https://discourse.nodered.org/u/Josh)\
**Replies:** 2\
**Last updated:** [25 October 2023 16:52 UTC](https://discourse.nodered.org/t/using-node-red-as-an-api-management-platform/82328 "2023-10-25T16:52:46Z")

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Hi Forum, Its been a while and ive been using Node red as API Management platform (similar to Azure API management platform) I want community inputs on if we can use Node red for these purposes? If Yes, What are the b…

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## [Ewelink not working all of a sudden](https://discourse.nodered.org/t/ewelink-not-working-all-of-a-sudden/81335)

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**Author:** [@Thewaver](https://discourse.nodered.org/u/Thewaver)\
**Replies:** 10\
**Last updated:** [25 October 2023 13:57 UTC](https://discourse.nodered.org/t/ewelink-not-working-all-of-a-sudden/81335 "2023-10-25T13:57:25Z")

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Hi, My ewelink node/s have suddenly stopped working. I can still contolle the device from my android ewelink app but not from Node red anymore. I have checked my ewelink credentials and they are the same. Has anyone els…

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## [Copying environment variables](https://discourse.nodered.org/t/copying-environment-variables/82255)

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**Author:** [@stevegroom](https://discourse.nodered.org/u/stevegroom)\
**Replies:** 4\
**Last updated:** [25 October 2023 12:29 UTC](https://discourse.nodered.org/t/copying-environment-variables/82255 "2023-10-25T12:29:49Z")

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Hello, I started to use environment variables to store config relating to a flow, I then duplicated the flow and changed its environment variables to customise the flow for a different environment. For example, I have …

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## [Whats the best interval node?](https://discourse.nodered.org/t/whats-the-best-interval-node/82329)

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**Author:** [@Josh](https://discourse.nodered.org/u/Josh)\
**Replies:** 13\
**Last updated:** [25 October 2023 12:13 UTC](https://discourse.nodered.org/t/whats-the-best-interval-node/82329 "2023-10-25T12:13:48Z")

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I want a node where it should do the work of cron but should have interval functionality which cron node lacks.

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## [Maintain sensors and TCP server mapping in Nodered](https://discourse.nodered.org/t/maintain-sensors-and-tcp-server-mapping-in-nodered/82319)

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**Author:** [@shershah](https://discourse.nodered.org/u/shershah)\
**Replies:** 6\
**Last updated:** [25 October 2023 11:38 UTC](https://discourse.nodered.org/t/maintain-sensors-and-tcp-server-mapping-in-nodered/82319 "2023-10-25T11:38:54Z")

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Hi All, I have different kind of sensors mapped with different tcp server. Currently I have configured all the tcp server and based on sensorId using switch block, I am communicating with TCP server. How can I make it …

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## [Define Constant variables](https://discourse.nodered.org/t/define-constant-variables/82180)

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**Author:** [@shershah](https://discourse.nodered.org/u/shershah)\
**Replies:** 9\
**Last updated:** [25 October 2023 11:28 UTC](https://discourse.nodered.org/t/define-constant-variables/82180 "2023-10-25T11:28:36Z")

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Hi, How can I define Constant variables which can be used anywhere in flow, and also saves the same in DB using GET FLOW api. Example : To define Topic , constant variables can be defined to make flow dynamic, as decla…

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## [High Data Cache - UI Dashboard Missing Values](https://discourse.nodered.org/t/high-data-cache-ui-dashboard-missing-values/82315)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 1\
**Last updated:** [25 October 2023 11:09 UTC](https://discourse.nodered.org/t/high-data-cache-ui-dashboard-missing-values/82315 "2023-10-25T11:09:40Z")

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Hello, Im having issues using an MQTT to UI system on node red- Im noticing a very large cache demand from node red when running and at times data is missing on the UI even though the value is coming through clearly on …

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## [Thoughts for a small enhancement - Editor browser tab title?](https://discourse.nodered.org/t/thoughts-for-a-small-enhancement-editor-browser-tab-title/82326)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [25 October 2023 10:44 UTC](https://discourse.nodered.org/t/thoughts-for-a-small-enhancement-editor-browser-tab-title/82326 "2023-10-25T10:44:22Z")

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Hi devs, A small thought - currently, the browser tab's title does not change when you change tabs in the Editor. Feels like this might be a useful enhancement? I noticed this when creating a note in my Obsidian noteb…

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## [Set array to global once a day, then get specific array by the hour](https://discourse.nodered.org/t/set-array-to-global-once-a-day-then-get-specific-array-by-the-hour/82261)

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**Author:** [@P-solver](https://discourse.nodered.org/u/P-solver)\
**Replies:** 30\
**Last updated:** [25 October 2023 09:10 UTC](https://discourse.nodered.org/t/set-array-to-global-once-a-day-then-get-specific-array-by-the-hour/82261 "2023-10-25T09:10:45Z")

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I'm trying to set an global array that is fetched once a day, and then I want to fetch the global array in another flow and print a specific object from the global array. This is my code right now, but I get the error "…

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## [Buffer tcp requests](https://discourse.nodered.org/t/buffer-tcp-requests/82316)

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**Author:** [@geoffatblacktusk](https://discourse.nodered.org/u/geoffatblacktusk)\
**Replies:** 2\
**Last updated:** [24 October 2023 23:36 UTC](https://discourse.nodered.org/t/buffer-tcp-requests/82316 "2023-10-24T23:36:56Z")

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I have an application where I am listening for messages on tcp request nodes, the messages are delimited by \\n characters and I use this to close the connection and reopen after 100ms, ready for the next message. This h…

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## [Entering buffer non-decimal values using change node](https://discourse.nodered.org/t/entering-buffer-non-decimal-values-using-change-node/82296)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [24 October 2023 21:21 UTC](https://discourse.nodered.org/t/entering-buffer-non-decimal-values-using-change-node/82296 "2023-10-24T21:21:42Z")

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During my MQTT fun project, I'm working with bit patterns so it would be nice to be able to use a change node to do this but it doesn't work (for valid reasons) I can achieve it using a function node but that's al…

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## [\[ANNOUNCEMENT\] node-red-autolayout-sidebar: experimental version(s)](https://discourse.nodered.org/t/announcement-node-red-autolayout-sidebar-experimental-version-s/82263)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 2\
**Last updated:** [24 October 2023 19:08 UTC](https://discourse.nodered.org/t/announcement-node-red-autolayout-sidebar-experimental-version-s/82263 "2023-10-24T19:08:50Z")

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Hi folks, Version 0.0.1 of a new sidebar plugin for auto-layout flows (@bartbutenaers/node-red-autolayout-sidebar) is now available in the palette. This plugin is based on the node-red-contrib-auto-alignment node of @g…

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## [MinIO Instance Configuration](https://discourse.nodered.org/t/minio-instance-configuration/82306)

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**Author:** [@vicente87](https://discourse.nodered.org/u/vicente87)\
**Replies:** 1\
**Last updated:** [24 October 2023 16:11 UTC](https://discourse.nodered.org/t/minio-instance-configuration/82306 "2023-10-24T16:11:30Z")

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Good morning everyone. I am doing a project where I need the automatic configuration (via msg) of a Minio instance (node-red-contrib-minio-all). I am using the Objects operation node (the operation is a putObject), I am…

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## [Evitar falsos positivos with sensor](https://discourse.nodered.org/t/evitar-falsos-positivos-with-sensor/82286)

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**Author:** [@manuugonz](https://discourse.nodered.org/u/manuugonz)\
**Replies:** 8\
**Last updated:** [24 October 2023 15:58 UTC](https://discourse.nodered.org/t/evitar-falsos-positivos-with-sensor/82286 "2023-10-24T15:58:41Z")

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Hello, I am somewhat new to NODE RED; very very new indeed. I am experimenting to make automations in Home Assistant with ESPHOME. I have a proximity sensor that depending on the distance I want to activate or deactiva…

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## [Dashboard doesn´t change the Theme colors](https://discourse.nodered.org/t/dashboard-doesn-t-change-the-theme-colors/82300)

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**Author:** [@LucasPeluso](https://discourse.nodered.org/u/LucasPeluso)\
**Replies:** 5\
**Last updated:** [24 October 2023 14:43 UTC](https://discourse.nodered.org/t/dashboard-doesn-t-change-the-theme-colors/82300 "2023-10-24T14:43:12Z")

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Hi I´m Lucas, I import a flow with a dashboard to a new flow and when I want to change the color and the title it doesn´t work. The changes doesn´t affect the dashboard. It still has the configuration of my previous das…

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## [Ui\_table Get Current Sorters Values](https://discourse.nodered.org/t/ui-table-get-current-sorters-values/82304)

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**Author:** [@RueCo](https://discourse.nodered.org/u/RueCo)\
**Replies:** 0\
**Last updated:** [24 October 2023 14:26 UTC](https://discourse.nodered.org/t/ui-table-get-current-sorters-values/82304 "2023-10-24T14:26:20Z")

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Hi all, could someone show me an example of the get current sorters values (column, field, dir) how to implement the getSorters() function in a flow to get the data, as mentioned in the Tabulator documentation. I've b…

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## [Bug in CSV node?](https://discourse.nodered.org/t/bug-in-csv-node/82297)

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**Author:** [@jw\_te\_r](https://discourse.nodered.org/u/jw_te_r)\
**Replies:** 7\
**Last updated:** [24 October 2023 14:09 UTC](https://discourse.nodered.org/t/bug-in-csv-node/82297 "2023-10-24T14:09:52Z")

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Hi all, I read several sensors, and put the readings into an SQL file. With one measurement every 10 minutes, I should get some 52000 records per year. I'm trying to output those readings via an SQL query to a CSV file…

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## [How to contact node developer](https://discourse.nodered.org/t/how-to-contact-node-developer/82299)

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**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 4\
**Last updated:** [24 October 2023 13:31 UTC](https://discourse.nodered.org/t/how-to-contact-node-developer/82299 "2023-10-24T13:31:29Z")

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Hello, If a node has an issue. How can I find the node developer and contact the person. In my case not always a Modbus node works well. Thanks

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## [OPC-UA "node-red-contrib-opcua" v0.2.316. HOW to use it in "SUBSCRIPTION” mode](https://discourse.nodered.org/t/opc-ua-node-red-contrib-opcua-v0-2-316-how-to-use-it-in-subscription-mode/82150)

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**Author:** [@lumanga](https://discourse.nodered.org/u/lumanga)\
**Replies:** 5\
**Last updated:** [24 October 2023 11:41 UTC](https://discourse.nodered.org/t/opc-ua-node-red-contrib-opcua-v0-2-316-how-to-use-it-in-subscription-mode/82150 "2023-10-24T11:41:53Z")

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Hello everyone, I am using a Raspberry Pi 4 with Node-RED v3.1.0 and "node-red-contrib-opcua" v0.2.316. I have an OPC-UA industrial device with the endpoint: "opc.tcp://192.168.1.203:4840". Currently, I can request ind…

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## [✨ UIBUILDER feature release v6.6](https://discourse.nodered.org/t/uibuilder-feature-release-v6-6/82240)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 5\
**Last updated:** [24 October 2023 11:36 UTC](https://discourse.nodered.org/t/uibuilder-feature-release-v6-6/82240 "2023-10-24T11:36:21Z")

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Something to brighten up those darker nights! A few nice new features along with the usual documentation updates and bug fixes. Highlights A new "Quick Start" example in the node-red import library. Simple flow t…

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## [What shell does the exec node call?](https://discourse.nodered.org/t/what-shell-does-the-exec-node-call/82298)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 1\
**Last updated:** [24 October 2023 11:35 UTC](https://discourse.nodered.org/t/what-shell-does-the-exec-node-call/82298 "2023-10-24T11:35:29Z")

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On my Raspberry pi, when I call OS commands via the exec mode, they seem to be executed in the Bash shell (which is good since /bin/sh is the slimline Dash shell). Is /bin/bash invoked explicitly or is it just whichever…

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## [Remap msg properties](https://discourse.nodered.org/t/remap-msg-properties/82044)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 24\
**Last updated:** [24 October 2023 08:06 UTC](https://discourse.nodered.org/t/remap-msg-properties/82044 "2023-10-24T08:06:20Z")

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I have just published a simple remap node - node-red-contrib-remap - that hopefully simplifies filtering and remapping properties within a msg. The main use case is when fetching data from an API and you get back loads …

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## [Virtual sensor for Homeassistant - Fuelio - Read from file .csv data](https://discourse.nodered.org/t/virtual-sensor-for-homeassistant-fuelio-read-from-file-csv-data/82274)

<div class="topic-metadata">

**Author:** [@ozmtox](https://discourse.nodered.org/u/ozmtox)\
**Replies:** 3\
**Last updated:** [24 October 2023 07:48 UTC](https://discourse.nodered.org/t/virtual-sensor-for-homeassistant-fuelio-read-from-file-csv-data/82274 "2023-10-24T07:48:47Z")

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Hi. I have a problem with reading data from a .csv file, in short I want to use Nodred to create virtual sensors for Homeassistant from data downloaded from the fuelio.csv file Fuelio is a program - a log of vehicle re…

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## [Duplicate Environment Variables](https://discourse.nodered.org/t/duplicate-environment-variables/82294)

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**Author:** [@RobC](https://discourse.nodered.org/u/RobC)\
**Replies:** 0\
**Last updated:** [24 October 2023 07:08 UTC](https://discourse.nodered.org/t/duplicate-environment-variables/82294 "2023-10-24T07:08:49Z")

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Interesting thing I found recently. NR V3.0.2 You can add duplicate environment variables to a sub flow without complaint. On some projects I have like 20 env vars and added a debug(bool) and couldn't work out why I c…

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## [Node-red-contrib-broadlink-control](https://discourse.nodered.org/t/node-red-contrib-broadlink-control/82289)

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**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 2\
**Last updated:** [24 October 2023 02:33 UTC](https://discourse.nodered.org/t/node-red-contrib-broadlink-control/82289 "2023-10-24T02:33:31Z")

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I am trying to set up a node to control an aircon using the RM4 Mini. I have loaded the sample nodes and successfully discovered the device on my lan. So, IP, Mac address and typeid are from the discover node and I hav…

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## [Can I pass a JSON message in a change node to a template node to be spoken?](https://discourse.nodered.org/t/can-i-pass-a-json-message-in-a-change-node-to-a-template-node-to-be-spoken/82266)

<div class="topic-metadata">

**Author:** [@nappyjim](https://discourse.nodered.org/u/nappyjim)\
**Replies:** 4\
**Last updated:** [24 October 2023 01:59 UTC](https://discourse.nodered.org/t/can-i-pass-a-json-message-in-a-change-node-to-a-template-node-to-be-spoken/82266 "2023-10-24T01:59:40Z")

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I've taken out all unncessary parts of the flow, just FYI. I know its currently wrong; but I am looking for how to do it, if possible. In my change node, I would like the message it passes along to be spoken to be dyna…

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## [Read subflow module info from within flow](https://discourse.nodered.org/t/read-subflow-module-info-from-within-flow/82241)

<div class="topic-metadata">

**Author:** [@psmtvdw](https://discourse.nodered.org/u/psmtvdw)\
**Replies:** 6\
**Last updated:** [23 October 2023 20:12 UTC](https://discourse.nodered.org/t/read-subflow-module-info-from-within-flow/82241 "2023-10-23T20:12:40Z")

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Is it possible to retrieve a subflow's module properties from within a flow? I want to make an overview in a dashboard of the actual versions of the subflows.

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## [Node-red installed http://localhost:1880/ Cannot GET](https://discourse.nodered.org/t/node-red-installed-http-localhost-1880-cannot-get/81708)

<div class="topic-metadata">

**Author:** [@Open1333](https://discourse.nodered.org/u/Open1333)\
**Replies:** 25\
**Last updated:** [23 October 2023 20:02 UTC](https://discourse.nodered.org/t/node-red-installed-http-localhost-1880-cannot-get/81708 "2023-10-23T20:02:24Z")

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Hi, I just installed node-red on my PC, however when I tried to open in my browser http://localhost:1880/, I got Cannot GET error (see image). Please help.

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