# Latest

**URL:** https://discourse.nodered.org/latest.md?page=88

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

**Page:** 89

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## [FlowFuse Team Broker: MQTT QOS 1 or 2 not working unless client disconnects cleanly?](https://discourse.nodered.org/t/flowfuse-team-broker-mqtt-qos-1-or-2-not-working-unless-client-disconnects-cleanly/96246)

<div class="topic-metadata">

**Author:** [@stevemot](https://discourse.nodered.org/u/stevemot)\
**Replies:** 8\
**Last updated:** [25 March 2025 16:25 UTC](https://discourse.nodered.org/t/flowfuse-team-broker-mqtt-qos-1-or-2-not-working-unless-client-disconnects-cleanly/96246 "2025-03-25T16:25:44Z")

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Hi, we are using FlowFuse enterprise 2.12 self-hosted on Docker to manage a small collection of Node-RED instances. We are now exploring Team Broker as we plan to expand our use to build some large event-driven integrati…

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## [Adapting flow to another input](https://discourse.nodered.org/t/adapting-flow-to-another-input/96220)

<div class="topic-metadata">

**Author:** [@Bigsausage64](https://discourse.nodered.org/u/Bigsausage64)\
**Replies:** 18\
**Last updated:** [25 March 2025 15:35 UTC](https://discourse.nodered.org/t/adapting-flow-to-another-input/96220 "2025-03-25T15:35:30Z")

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Hi guys, I discovered nodered because I found 2 flows a guy kindly shared in a forum that does exactly what I need. So bear with me ! I installed nodered in my homeassistant instance (few days ago, so everything is up …

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## [MSSQL plus declaration error](https://discourse.nodered.org/t/mssql-plus-declaration-error/96249)

<div class="topic-metadata">

**Author:** [@ArcelorMan](https://discourse.nodered.org/u/ArcelorMan)\
**Replies:** 1\
**Last updated:** [25 March 2025 15:13 UTC](https://discourse.nodered.org/t/mssql-plus-declaration-error/96249 "2025-03-25T15:13:56Z")

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When i attempt to query with userinput, i get an error claiming my var is undeclared, yet following the node page, this is how it should be declared, right? msg.topic = \` SELECT DISTINCT \[EmployeeID (SIDxxxx)\] …

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## [Problems distributing subflows to node red instances](https://discourse.nodered.org/t/problems-distributing-subflows-to-node-red-instances/96213)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 10\
**Last updated:** [25 March 2025 13:15 UTC](https://discourse.nodered.org/t/problems-distributing-subflows-to-node-red-instances/96213 "2025-03-25T13:15:10Z")

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Having some issues today, want to copy a group of subflows from one node red instance to other instances. But getting different error messages. Error: TypeError: o is undefined Also got another error earlier that said …

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## [Node-RED Dashboard 2.0?](https://discourse.nodered.org/t/node-red-dashboard-2-0/96242)

<div class="topic-metadata">

**Author:** [@Mr\_Li](https://discourse.nodered.org/u/Mr_Li)\
**Replies:** 1\
**Last updated:** [25 March 2025 11:23 UTC](https://discourse.nodered.org/t/node-red-dashboard-2-0/96242 "2025-03-25T11:23:07Z")

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Will there be a conflict if I install both Node-RED Dashboard and Node-RED Dashboard 2.0?

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## [Msg prop pollution, cloning, scope and huge msg size - "design philosophy"](https://discourse.nodered.org/t/msg-prop-pollution-cloning-scope-and-huge-msg-size-design-philosophy/96226)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 1\
**Last updated:** [25 March 2025 11:04 UTC](https://discourse.nodered.org/t/msg-prop-pollution-cloning-scope-and-huge-msg-size-design-philosophy/96226 "2025-03-25T11:04:17Z")

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Here I am at it again with another philosophy topic :laughing: Got something on my mind and I'd love to hear other people's thoughts. I've been experimenting with different ways of streamlining and customizing tools in n…

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## [I broke Node-red by upgrading to Node 23](https://discourse.nodered.org/t/i-broke-node-red-by-upgrading-to-node-23/96236)

<div class="topic-metadata">

**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 1\
**Last updated:** [25 March 2025 07:51 UTC](https://discourse.nodered.org/t/i-broke-node-red-by-upgrading-to-node-23/96236 "2025-03-25T07:51:45Z")

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I goofed up big time. I upgraded node to 23 and I am getting errors with Node-red running... So I tried to purge node or downgrade and I am getting issues running the install script ( Pi ). What can I do to flush everyt…

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## [DB2 - Layout Editor Error in Subflow](https://discourse.nodered.org/t/db2-layout-editor-error-in-subflow/96163)

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**Author:** [@mitty45](https://discourse.nodered.org/u/mitty45)\
**Replies:** 4\
**Last updated:** [24 March 2025 20:54 UTC](https://discourse.nodered.org/t/db2-layout-editor-error-in-subflow/96163 "2025-03-24T20:54:17Z")

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When using the layout editor in Dashboard 2, I am receiving the following error: Error saving changes. Request failed with status code 400. Looking into the browser console log, I see: AxiosError {message: 'Request f…

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## [Olimex PIC-WEB Board](https://discourse.nodered.org/t/olimex-pic-web-board/96174)

<div class="topic-metadata">

**Author:** [@wb9ixs](https://discourse.nodered.org/u/wb9ixs)\
**Replies:** 6\
**Last updated:** [24 March 2025 19:09 UTC](https://discourse.nodered.org/t/olimex-pic-web-board/96174 "2025-03-24T19:09:53Z")

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Hello Has anyone done any Node-red projects using the Olimex pic-web board. The MCU is a pic 18F67J60 a very powerful device. I did a Node-Red project with raspberry Pi for my one of my ham radios. So I have some experi…

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## [Node.send causing error: this.\_flow is undefined](https://discourse.nodered.org/t/node-send-causing-error-this-flow-is-undefined/96217)

<div class="topic-metadata">

**Author:** [@papenfort](https://discourse.nodered.org/u/papenfort)\
**Replies:** 9\
**Last updated:** [24 March 2025 18:45 UTC](https://discourse.nodered.org/t/node-send-causing-error-this-flow-is-undefined/96217 "2025-03-24T18:45:32Z")

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hey there, im trying to create a custom node that may send a message via a callback. for that purpose i have assigned the this from the constructor-function to the variable "node" like in the docs. whenever i try to use…

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## [Eingang zwischen zwei Ausängen umschalten](https://discourse.nodered.org/t/eingang-zwischen-zwei-ausangen-umschalten/96203)

<div class="topic-metadata">

**Author:** [@binderj1](https://discourse.nodered.org/u/binderj1)\
**Replies:** 7\
**Last updated:** [24 March 2025 18:04 UTC](https://discourse.nodered.org/t/eingang-zwischen-zwei-ausangen-umschalten/96203 "2025-03-24T18:04:23Z")

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Hallo Leute Ich habe ein Problem bei dem ich eure Hilfe benötige. Ich habe mir einen Flow gebastelt, der aber nicht richtig funktioniert. Der Injet-Nod liefert einen Text (msg.payload.E1 "HALLO") dieser soll in Abhäng…

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## [Dynamic DB2 Form - Boolean fields](https://discourse.nodered.org/t/dynamic-db2-form-boolean-fields/96223)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 1\
**Last updated:** [24 March 2025 17:30 UTC](https://discourse.nodered.org/t/dynamic-db2-form-boolean-fields/96223 "2025-03-24T17:30:52Z")

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Hi, I am trying to put a field on a form which being created dynamically using msg.ui\_update.options I have field which is a drop down (using msg.ui\_update.dropdownOptions). This field is mandatory so marked 'required…

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## [Subflow: Environment variable affecting all instances instead of one](https://discourse.nodered.org/t/subflow-environment-variable-affecting-all-instances-instead-of-one/96210)

<div class="topic-metadata">

**Author:** [@yanivf](https://discourse.nodered.org/u/yanivf)\
**Replies:** 8\
**Last updated:** [24 March 2025 16:40 UTC](https://discourse.nodered.org/t/subflow-environment-variable-affecting-all-instances-instead-of-one/96210 "2025-03-24T16:40:25Z")

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I have a Node-RED flow that includes multiple instances of a subflow. Within the subflow, I define a boolean environment variable, DEBUG\_VERBOSE, which defaults to false. Inside the subflow, I use the following code: c…

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## [How to use external NVR (Frigate, BlueIris, ...) with Node-RED](https://discourse.nodered.org/t/how-to-use-external-nvr-frigate-blueiris-with-node-red/94212)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 154\
**Last updated:** [24 March 2025 16:15 UTC](https://discourse.nodered.org/t/how-to-use-external-nvr-frigate-blueiris-with-node-red/94212 "2025-03-24T16:15:44Z")

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Hi folks, I have been spending a huge amount of free time over the years, in a desperate attempt to introduce video surveillance in Node-RED. But unfortunately I have lost the battle. Tfjs (Tensorflow Javascript) is n…

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## [DB2 template node - this.msg behaviour is not consisteent](https://discourse.nodered.org/t/db2-template-node-this-msg-behaviour-is-not-consisteent/96218)

<div class="topic-metadata">

**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 1\
**Last updated:** [24 March 2025 15:43 UTC](https://discourse.nodered.org/t/db2-template-node-this-msg-behaviour-is-not-consisteent/96218 "2025-03-24T15:43:18Z")

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Hi I have below below DB2 Button --\> Function Node --\> Sends message to DB2 Template Node. One of the attributes on msg changes based on Button. Not the problem - if the attribute is deleted msg - yet Template node s…

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## [Parsing Node\_Red payload](https://discourse.nodered.org/t/parsing-node-red-payload/96200)

<div class="topic-metadata">

**Author:** [@whlatimer](https://discourse.nodered.org/u/whlatimer)\
**Replies:** 5\
**Last updated:** [24 March 2025 14:15 UTC](https://discourse.nodered.org/t/parsing-node-red-payload/96200 "2025-03-24T14:15:17Z")

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I'm using a Node-Red flow written by someone else to read my electric meter (Smart Meter) hourly; the flow executes an api from SmartMeter and is intended to return a single value that updates a sensor. Based on the erro…

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## [Subflow help. What's what?](https://discourse.nodered.org/t/subflow-help-whats-what/96214)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [24 March 2025 13:12 UTC](https://discourse.nodered.org/t/subflow-help-whats-what/96214 "2025-03-24T13:12:52Z")

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Sorry folks, my brain is on holidays again. What are the two things I'm pointing at? And, I'm wanting to set a value (WaitTime) in the subflow, and have it parsed by a node. This is what I can scrape from previo…

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## [Trouble with unreliable modbus-flex-getter](https://discourse.nodered.org/t/trouble-with-unreliable-modbus-flex-getter/94843)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 31\
**Last updated:** [24 March 2025 09:39 UTC](https://discourse.nodered.org/t/trouble-with-unreliable-modbus-flex-getter/94843 "2025-03-24T09:39:24Z")

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I got a subflow to handle modbus retries. Because modbus requests are highly unstable and fails multiple times each hour. Quick and dirty solution is to run the request again 1 or 2 more times until it succeeds. For thi…

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## [HTTP exception "ECONNRESET"](https://discourse.nodered.org/t/http-exception-econnreset/96211)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 2\
**Last updated:** [24 March 2025 09:23 UTC](https://discourse.nodered.org/t/http-exception-econnreset/96211 "2025-03-24T09:23:55Z")

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I have daily instabilities with http requests in a node red docker container running in azure. So much so I wrapped http request node in a retry subflow. This usually worked, however after I made a lot of changes, I now …

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## [Read a 0-4mA sensor with a Shelly](https://discourse.nodered.org/t/read-a-0-4ma-sensor-with-a-shelly/96183)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 7\
**Last updated:** [24 March 2025 07:54 UTC](https://discourse.nodered.org/t/read-a-0-4ma-sensor-with-a-shelly/96183 "2025-03-24T07:54:05Z")

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Hi folks, I need help again from my electronics friends over here... In a desperate attempt to simplify my home automation setup, I have replaced all my electronics in the last 2 years by Shelly devices. I only need t…

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## [Simply change button color](https://discourse.nodered.org/t/simply-change-button-color/96192)

<div class="topic-metadata">

**Author:** [@ruk-shan](https://discourse.nodered.org/u/ruk-shan)\
**Replies:** 3\
**Last updated:** [24 March 2025 05:10 UTC](https://discourse.nodered.org/t/simply-change-button-color/96192 "2025-03-24T05:10:12Z")

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I am trying to change color of a button. I'm injecting msg.ui\_update.buttonColor = 'red';. But it seems to be not working. What am I doing wrong here ? \[ { "id": "1df2f5078ba20e02", "type": "tab", …

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## [Visualizing fail2ban ban logs](https://discourse.nodered.org/t/visualizing-fail2ban-ban-logs/96181)

<div class="topic-metadata">

**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 5\
**Last updated:** [23 March 2025 21:19 UTC](https://discourse.nodered.org/t/visualizing-fail2ban-ban-logs/96181 "2025-03-23T21:19:27Z")

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Hi, I would like to visualize the banned IPs from fail2ban log. for example: or I preferd and tried the first one, but exec with sudo doesn´t work. fail2ban client needs root. I don´t want to run NR as root. th…

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## [Raspberry PI 5 DHT 22 in node red](https://discourse.nodered.org/t/raspberry-pi-5-dht-22-in-node-red/96180)

<div class="topic-metadata">

**Author:** [@Newbie01](https://discourse.nodered.org/u/Newbie01)\
**Replies:** 13\
**Last updated:** [23 March 2025 21:15 UTC](https://discourse.nodered.org/t/raspberry-pi-5-dht-22-in-node-red/96180 "2025-03-23T21:15:16Z")

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I remember reading somewhere that the DHT 11 was not compatible with the pi 5, but the 22 was supposed to work. I have no problems using the sensors on an old 3b+. My question has anyone got the DHT22 to work in node red…

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## [Dashboard2 CSS for adjust to increase the height of the rows](https://discourse.nodered.org/t/dashboard2-css-for-adjust-to-increase-the-height-of-the-rows/96154)

<div class="topic-metadata">

**Author:** [@rafasimple](https://discourse.nodered.org/u/rafasimple)\
**Replies:** 6\
**Last updated:** [23 March 2025 17:27 UTC](https://discourse.nodered.org/t/dashboard2-css-for-adjust-to-increase-the-height-of-the-rows/96154 "2025-03-23T17:27:53Z")

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I need to increase the height of the raws table1 , depending of the registers from other template(table2),like the image

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## [Efficient way of replicating flows](https://discourse.nodered.org/t/efficient-way-of-replicating-flows/96198)

<div class="topic-metadata">

**Author:** [@aperture1988](https://discourse.nodered.org/u/aperture1988)\
**Replies:** 1\
**Last updated:** [23 March 2025 17:27 UTC](https://discourse.nodered.org/t/efficient-way-of-replicating-flows/96198 "2025-03-23T17:27:36Z")

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Hello Guys, I am in the process of adding some monitoring for some sensors within my smart home, I have created the following flow which is working well and triggers various things within Home Assistant. The issue I hav…

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## [Sending json data via tcp/ip node with start and end delimiters (tcam-mini)](https://discourse.nodered.org/t/sending-json-data-via-tcp-ip-node-with-start-and-end-delimiters-tcam-mini/96184)

<div class="topic-metadata">

**Author:** [@letshin](https://discourse.nodered.org/u/letshin)\
**Replies:** 2\
**Last updated:** [23 March 2025 10:13 UTC](https://discourse.nodered.org/t/sending-json-data-via-tcp-ip-node-with-start-and-end-delimiters-tcam-mini/96184 "2025-03-23T10:13:46Z")

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Hi, I'm trying to communicate via a tcp/ip node with a thermal camera board. The documentation is here (tCam/tCam-Mini/firmware at main · danjulio/tCam · GitHub), and it says that a json command with a start delimited (0…

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## [TADO AC Climate Control via DEW POINT COMFORT - Triggers - Door, Presence, TTS](https://discourse.nodered.org/t/tado-ac-climate-control-via-dew-point-comfort-triggers-door-presence-tts/94637)

<div class="topic-metadata">

**Author:** [@MankiniChykan](https://discourse.nodered.org/u/MankiniChykan)\
**Replies:** 2\
**Last updated:** [16 January 2025 06:38 UTC](https://discourse.nodered.org/t/tado-ac-climate-control-via-dew-point-comfort-triggers-door-presence-tts/94637 "2025-01-16T06:38:47Z")

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V5.0 Climate Control via DEW POINT COMFORT - Triggers - Door, Presence, TTS, Home Assistant This flow uses Outside Dew Point Temperature to control any Climate Entity through Home Assistant. Tested on TADO Smart AC Contr…

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## [\[ANNOUNCE\] node-red-contrib-tank-volume: version 1.1.0](https://discourse.nodered.org/t/announce-node-red-contrib-tank-volume-version-1-1-0/67270)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 16\
**Last updated:** [22 March 2025 20:41 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-tank-volume-version-1-1-0/67270 "2025-03-22T20:41:42Z")

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Hi folks, Got some feature requests for node-red-contrib-tank-volume, which are available now in the palette as version 1.1.0. This release contains following changes: Ability to specify the input dimensions in mill…

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## [How to control the X-axis timescale labels on a Dashboard 2.0 timeline chart](https://discourse.nodered.org/t/how-to-control-the-x-axis-timescale-labels-on-a-dashboard-2-0-timeline-chart/96178)

<div class="topic-metadata">

**Author:** [@chriswthomas](https://discourse.nodered.org/u/chriswthomas)\
**Replies:** 0\
**Last updated:** [22 March 2025 16:46 UTC](https://discourse.nodered.org/t/how-to-control-the-x-axis-timescale-labels-on-a-dashboard-2-0-timeline-chart/96178 "2025-03-22T16:46:18Z")

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I've got a timeline chart on dashboard-2 that shows a running 24 hours of data. Data points are added every few minutes. The timeline shows HH:MM over the 24 hour period. But I can't figure out how to get the x-axis lab…

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## [Reordering dashboard widgets](https://discourse.nodered.org/t/reordering-dashboard-widgets/96165)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 0\
**Last updated:** [21 March 2025 22:11 UTC](https://discourse.nodered.org/t/reordering-dashboard-widgets/96165 "2025-03-21T22:11:05Z")

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When you deploy an additional dashboard widget to an existing dashboard tab, the widget gets inserted as the first widget in it's group: It would be good if we could arrange the widgets in the editor and then apply t…

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