# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=43

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

**Page:** 44

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## [Confirming Buffer Output for GET Operation in node-red-contrib-ftp (No File System Writes)](https://discourse.nodered.org/t/confirming-buffer-output-for-get-operation-in-node-red-contrib-ftp-no-file-system-writes/96576)

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**Author:** [@AliEl4eikh](https://discourse.nodered.org/u/AliEl4eikh)\
**Replies:** 1\
**Last updated:** [15 April 2025 06:44 UTC](https://discourse.nodered.org/t/confirming-buffer-output-for-get-operation-in-node-red-contrib-ftp-no-file-system-writes/96576 "2025-04-15T06:44:01Z")

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Hi Node-RED community, I'm working on a flow that needs to read a file from a remote FTP server using node-red-contrib-ftp and output the content as a buffer or string for parsing, without writing to the file system (fs…

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## [Behavior of a Subflow - seperated instance for every msg or shared environment?](https://discourse.nodered.org/t/behavior-of-a-subflow-seperated-instance-for-every-msg-or-shared-environment/96542)

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**Author:** [@dierochade](https://discourse.nodered.org/u/dierochade)\
**Replies:** 9\
**Last updated:** [14 April 2025 21:40 UTC](https://discourse.nodered.org/t/behavior-of-a-subflow-seperated-instance-for-every-msg-or-shared-environment/96542 "2025-04-14T21:40:54Z")

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I have a sequence that is meant to be called in parallel from different devices. There is a wait-until node that should evaluate the current state of a dynamically injected entity, derived from a msg.object property — w…

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## [Decode Base64 as unicode string](https://discourse.nodered.org/t/decode-base64-as-unicode-string/96515)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 10\
**Last updated:** [14 April 2025 17:16 UTC](https://discourse.nodered.org/t/decode-base64-as-unicode-string/96515 "2025-04-14T17:16:26Z")

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I'm playing around with Base64 encoding/decoding but I'm having a problem decoding a base64 encoded string with non 7bit char back into it's original unicode appearance \[{"id":"8285d46540f7a8ce","type":"inject","z":"…

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## [Warning : ClientSessionKeepAliveManager#ping\_server Invalid Channel after performing transaction on ReadRequest](https://discourse.nodered.org/t/warning-clientsessionkeepalivemanager-ping-server-invalid-channel-after-performing-transaction-on-readrequest/96561)

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**Author:** [@mrStark](https://discourse.nodered.org/u/mrStark)\
**Replies:** 0\
**Last updated:** [14 April 2025 10:40 UTC](https://discourse.nodered.org/t/warning-clientsessionkeepalivemanager-ping-server-invalid-channel-after-performing-transaction-on-readrequest/96561 "2025-04-14T10:40:18Z")

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Whenever the connection drops, due to maybe network issue or opcua server restarts; after restart the connection doesn't happens automatically until we manually redeploy the flow. Getting below error in logs: 21:48:55.…

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## [Trading 212 - API nodes](https://discourse.nodered.org/t/trading-212-api-nodes/96558)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 0\
**Last updated:** [14 April 2025 08:37 UTC](https://discourse.nodered.org/t/trading-212-api-nodes/96558 "2025-04-14T08:37:50Z")

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Morning all, Has anyone built, or is building a set of nodes to interact with the Trading 212's API? I've started using the platform and would really like to be able to pull information into NR to dashboard it. I might…

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## [Admin API trying /nodes/:module to disable/enable node](https://discourse.nodered.org/t/admin-api-trying-nodes-module-to-disable-enable-node/96544)

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**Author:** [@krambriw](https://discourse.nodered.org/u/krambriw)\
**Replies:** 3\
**Last updated:** [13 April 2025 10:49 UTC](https://discourse.nodered.org/t/admin-api-trying-nodes-module-to-disable-enable-node/96544 "2025-04-13T10:49:16Z")

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Hi, I must be blind or missing some essentials.... In the flow example below I try to disable the node but I do just get 400 as respond. Getting the node information using GET works. Also the PUT "seems to work" when …

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## [Nodered export/import | copy/paste clipboard](https://discourse.nodered.org/t/nodered-export-import-copy-paste-clipboard/96540)

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**Author:** [@redwireless](https://discourse.nodered.org/u/redwireless)\
**Replies:** 6\
**Last updated:** [12 April 2025 21:12 UTC](https://discourse.nodered.org/t/nodered-export-import-copy-paste-clipboard/96540 "2025-04-12T21:12:31Z")

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Greetings. I'll use a very simple flow example comprising of an injection node and a debug node for my question: Both nodes have the name ‘sensor01’ in them, as well as in other fields/variables. Problem: if I do …

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## [Trouble with Link Call node LinkSource](https://discourse.nodered.org/t/trouble-with-link-call-node-linksource/96522)

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**Author:** [@nils](https://discourse.nodered.org/u/nils)\
**Replies:** 7\
**Last updated:** [12 April 2025 19:16 UTC](https://discourse.nodered.org/t/trouble-with-link-call-node-linksource/96522 "2025-04-12T19:16:16Z")

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I'm having some trouble with the "return to calling link node" feature. I have a flow that reads a file containing gcode line by line into a queue node, executes the gcode one line at a time up to a defined point (G4P0),…

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## [Please, please! Next update. Turn the auto add of dashboard spacing OFF](https://discourse.nodered.org/t/please-please-next-update-turn-the-auto-add-of-dashboard-spacing-off/96541)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 2\
**Last updated:** [12 April 2025 18:17 UTC](https://discourse.nodered.org/t/please-please-next-update-turn-the-auto-add-of-dashboard-spacing-off/96541 "2025-04-12T18:17:47Z")

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I make a simple change, to add a 2X2 button, and dashboard (core) goes insane! Granted it's a pretty full page but there was room for the button. I must have 200+ "spacings" now on that page AND THEY KEEP BEING ADDED. …

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## [Sensor data transferring to onedrive](https://discourse.nodered.org/t/sensor-data-transferring-to-onedrive/96449)

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**Author:** [@GBROKO](https://discourse.nodered.org/u/GBROKO)\
**Replies:** 5\
**Last updated:** [12 April 2025 11:55 UTC](https://discourse.nodered.org/t/sensor-data-transferring-to-onedrive/96449 "2025-04-12T11:55:43Z")

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Hi, i would like to send data from my sensors to onedrive in one csv file. I dont want so save it locally. Is there a way ?

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## [Global persistent memory](https://discourse.nodered.org/t/global-persistent-memory/96447)

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**Author:** [@rzajac03](https://discourse.nodered.org/u/rzajac03)\
**Replies:** 19\
**Last updated:** [12 April 2025 10:17 UTC](https://discourse.nodered.org/t/global-persistent-memory/96447 "2025-04-12T10:17:59Z")

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Welcome to All. How to disable writing global.json.\<13-digit number\>.tmp files beside global.json into /.node-red/context/global directory? Best Regards

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## [Trouble passing a json object to a python file called by exec node](https://discourse.nodered.org/t/trouble-passing-a-json-object-to-a-python-file-called-by-exec-node/96525)

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**Author:** [@maxiemax](https://discourse.nodered.org/u/maxiemax)\
**Replies:** 6\
**Last updated:** [12 April 2025 07:10 UTC](https://discourse.nodered.org/t/trouble-passing-a-json-object-to-a-python-file-called-by-exec-node/96525 "2025-04-12T07:10:29Z")

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hello there, i know there have been other threads depicting similar errors, however, perhaps i have something going on wrong that i cant quite understand: here is the main function of my python code: if \_\_name\_\_ == "\_\_…

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## [Phillips Hue Adapter](https://discourse.nodered.org/t/phillips-hue-adapter/96507)

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**Author:** [@Pinky](https://discourse.nodered.org/u/Pinky)\
**Replies:** 2\
**Last updated:** [10 April 2025 20:28 UTC](https://discourse.nodered.org/t/phillips-hue-adapter/96507 "2025-04-10T20:28:34Z")

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Hi everyone, currently I am using the Adapter node-red-contrib-huemagic for Controlling my Hue devices with nodered. Unfortunatelly maintenance does not go on there and I cannot controll all my devices with the adapter.…

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## [Issues With @sammachin/node-red-matter-controller Node](https://discourse.nodered.org/t/issues-with-sammachin-node-red-matter-controller-node/96510)

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**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 0\
**Last updated:** [10 April 2025 19:27 UTC](https://discourse.nodered.org/t/issues-with-sammachin-node-red-matter-controller-node/96510 "2025-04-10T19:27:24Z")

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I tried renaming a Matter device using the Rename Device option in the Device Management node and Node-Red crashed. I tried a bunch of things to try and sort it out but in the end I deleted the complete Matter Controller …

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## [Browser request works but exact same node red request fails](https://discourse.nodered.org/t/browser-request-works-but-exact-same-node-red-request-fails/96415)

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**Author:** [@davidmnz](https://discourse.nodered.org/u/davidmnz)\
**Replies:** 25\
**Last updated:** [10 April 2025 05:52 UTC](https://discourse.nodered.org/t/browser-request-works-but-exact-same-node-red-request-fails/96415 "2025-04-10T05:52:50Z")

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I am new to node red (so links are fudged to htttp due to new user limits) and I expected a very simple http request would just work. This is the request: "htttps://api.forecast.solar/estimate/-41.51/173.96/25/170/3.84".…

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## [Exec node not working as expected](https://discourse.nodered.org/t/exec-node-not-working-as-expected/96461)

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**Author:** [@dudleyjosh](https://discourse.nodered.org/u/dudleyjosh)\
**Replies:** 3\
**Last updated:** [9 April 2025 21:28 UTC](https://discourse.nodered.org/t/exec-node-not-working-as-expected/96461 "2025-04-09T21:28:13Z")

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I was trying to create a flow on a Raspberry Pi to adjust the master volume of the Pi using an Exec node and the command amixer -q -M sset Master 50% which works as expected from the command line but errors when using th…

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## [Pi5 GPIO Library?](https://discourse.nodered.org/t/pi5-gpio-library/96481)

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**Author:** [@N1HKO](https://discourse.nodered.org/u/N1HKO)\
**Replies:** 3\
**Last updated:** [9 April 2025 15:30 UTC](https://discourse.nodered.org/t/pi5-gpio-library/96481 "2025-04-09T15:30:10Z")

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Has the Pi5 GPIO issue been resolved? Most of the topics are dated with February 2025 indicating the issue may be ongoing. I'm finding GPIO inputs to be very unstable and frequently toggle status for unknown reasons. Is …

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## [Continue a Flow after same Message recived for x times in x seconds](https://discourse.nodered.org/t/continue-a-flow-after-same-message-recived-for-x-times-in-x-seconds/96486)

<div class="topic-metadata">

**Author:** [@matzeeg3](https://discourse.nodered.org/u/matzeeg3)\
**Replies:** 3\
**Last updated:** [9 April 2025 13:53 UTC](https://discourse.nodered.org/t/continue-a-flow-after-same-message-recived-for-x-times-in-x-seconds/96486 "2025-04-09T13:53:18Z")

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Hi everybody, i try to build a flow that enables or disables a Pool Heater. The flow has different variables suche as solar produiction batterie soc and so and. the flow worked as i expected it. now to my last little …

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## [Create file with variable name under 0.19.4](https://discourse.nodered.org/t/create-file-with-variable-name-under-0-19-4/96495)

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**Author:** [@F11](https://discourse.nodered.org/u/F11)\
**Replies:** 4\
**Last updated:** [9 April 2025 10:57 UTC](https://discourse.nodered.org/t/create-file-with-variable-name-under-0-19-4/96495 "2025-04-09T10:57:34Z")

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Hello everyone, does anyone know how I can assign a file name with a variable in Node-Red version 0.19.4. I want to write a file with a dynamic file name that contains the date. The variable works, I can read it with …

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## [Cant install node-red-dlt645](https://discourse.nodered.org/t/cant-install-node-red-dlt645/96491)

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**Author:** [@wen](https://discourse.nodered.org/u/wen)\
**Replies:** 3\
**Last updated:** [9 April 2025 09:16 UTC](https://discourse.nodered.org/t/cant-install-node-red-dlt645/96491 "2025-04-09T09:16:47Z")

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I try to install @chvdapi/node-red-dlt645,but failed.bug report as 2025-04-09T07:13:09.324Z 安装 : @chvdapi/node-red-dlt645 0.0.4 2025-04-09T07:13:09.630Z npm.cmd install --no-audit --no-update-notifier --no-fund --save …

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## [MSSQL ERROR tempo obligation](https://discourse.nodered.org/t/mssql-error-tempo-obligation/96488)

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**Author:** [@LinkView\_Maze](https://discourse.nodered.org/u/LinkView_Maze)\
**Replies:** 3\
**Last updated:** [9 April 2025 07:16 UTC](https://discourse.nodered.org/t/mssql-error-tempo-obligation/96488 "2025-04-09T07:16:58Z")

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Hello , I have a problem with node MSSQL. I made a flow with the node which until now worked perfectly. I encountered a problem if the node receives too many packets it displays error connection closed. I am obliged to…

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## [Setting Environment Variables in MySQL Node (Docker-Node-RED)](https://discourse.nodered.org/t/setting-environment-variables-in-mysql-node-docker-node-red/95831)

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**Author:** [@vskbot007](https://discourse.nodered.org/u/vskbot007)\
**Replies:** 17\
**Last updated:** [9 April 2025 04:18 UTC](https://discourse.nodered.org/t/setting-environment-variables-in-mysql-node-docker-node-red/95831 "2025-04-09T04:18:12Z")

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Hello Node-RED community, I need some help with setting environment variables in the MySQL database node within a Docker-based Node-RED setup. What I’m Trying to Achieve I want to define my database connection details…

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## [Send or intercept inject node only when required](https://discourse.nodered.org/t/send-or-intercept-inject-node-only-when-required/96473)

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**Author:** [@F11](https://discourse.nodered.org/u/F11)\
**Replies:** 2\
**Last updated:** [8 April 2025 15:12 UTC](https://discourse.nodered.org/t/send-or-intercept-inject-node-only-when-required/96473 "2025-04-08T15:12:33Z")

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Hello, I have the following question. an Inject Node should trigger my AVR amplifier every few seconds to get the status. But when the amplifier is off, I get error messages all the time. Can I set up the Inject Node …

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## [Split string from app.getSelfPath](https://discourse.nodered.org/t/split-string-from-app-getselfpath/96471)

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**Author:** [@SignalKuser](https://discourse.nodered.org/u/SignalKuser)\
**Replies:** 5\
**Last updated:** [8 April 2025 15:00 UTC](https://discourse.nodered.org/t/split-string-from-app-getselfpath/96471 "2025-04-08T15:00:11Z")

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hi, i want split a string comes from let volt = app.getSelfPath('electrical.batteries.Mo.voltage'); the payload looks like {"meta":{"units":"V","description":"Voltage measured at or as close as possible to the devic…

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## [About agentic-doc-ext](https://discourse.nodered.org/t/about-agentic-doc-ext/96469)

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**Author:** [@Jijash\_Shrestha](https://discourse.nodered.org/u/Jijash_Shrestha)\
**Replies:** 1\
**Last updated:** [8 April 2025 12:49 UTC](https://discourse.nodered.org/t/about-agentic-doc-ext/96469 "2025-04-08T12:49:36Z")

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are there any agent or node that can extract any text from the documents ?

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## [Dynamic IP in dynamic-mqtt out node](https://discourse.nodered.org/t/dynamic-ip-in-dynamic-mqtt-out-node/96448)

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**Author:** [@SofTMeha](https://discourse.nodered.org/u/SofTMeha)\
**Replies:** 2\
**Last updated:** [8 April 2025 10:47 UTC](https://discourse.nodered.org/t/dynamic-ip-in-dynamic-mqtt-out-node/96448 "2025-04-08T10:47:08Z")

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Hello, I’m working with Node-RED and trying to use the MQTT Dynamic Broker out node to connect to an MQTT broker using a dynamically provided flow-level IP address. The goal is to pass the IP address to the broker dynam…

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## [Trouble installing node-red-contrib-tf-model](https://discourse.nodered.org/t/trouble-installing-node-red-contrib-tf-model/96460)

<div class="topic-metadata">

**Author:** [@maxiemax](https://discourse.nodered.org/u/maxiemax)\
**Replies:** 1\
**Last updated:** [7 April 2025 21:39 UTC](https://discourse.nodered.org/t/trouble-installing-node-red-contrib-tf-model/96460 "2025-04-07T21:39:24Z")

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hello. before i start, here are my versions: Node-RED version: v4.0.9 Node.js version: v22.12.0 long story short, i've installed node-red-contrib-tf-model using their guide in it required a tensorflow/tfjs-node pi…

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## [Configure as SNMP Agent](https://discourse.nodered.org/t/configure-as-snmp-agent/96453)

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**Author:** [@raphaelbr](https://discourse.nodered.org/u/raphaelbr)\
**Replies:** 1\
**Last updated:** [7 April 2025 15:14 UTC](https://discourse.nodered.org/t/configure-as-snmp-agent/96453 "2025-04-07T15:14:07Z")

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Hey guys i need to configure a snmp agent, but it seems like there is nothing available like that. I see a lot about fetching data with snmp, but i need to configure an agent which provides Data for polling. Can anyone …

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## [Redeploying flows while having Editor Authentication enabled](https://discourse.nodered.org/t/redeploying-flows-while-having-editor-authentication-enabled/96444)

<div class="topic-metadata">

**Author:** [@filiSil](https://discourse.nodered.org/u/filiSil)\
**Replies:** 5\
**Last updated:** [7 April 2025 13:45 UTC](https://discourse.nodered.org/t/redeploying-flows-while-having-editor-authentication-enabled/96444 "2025-04-07T13:45:03Z")

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Hi everyone! I'm still relatively new to Node-RED and I’ve hit a roadblock in a project. I’m hoping someone here can help me figure it out. I'm trying to automate the redeployment of flows through the Node-RED API. Ini…

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## [Node-red-contrib-fritzapi](https://discourse.nodered.org/t/node-red-contrib-fritzapi/95949)

<div class="topic-metadata">

**Author:** [@AndreasPW](https://discourse.nodered.org/u/AndreasPW)\
**Replies:** 9\
**Last updated:** [7 April 2025 13:11 UTC](https://discourse.nodered.org/t/node-red-contrib-fritzapi/95949 "2025-04-07T13:11:35Z")

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I used the nodes provided by node-red-contrib-fritzapi for many years in my flows. Since a few weeks I get "Device not ready" messages in my debug window. I use "outlet" nodes provided by the api to retrieve things lik…

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