# Latest

**URL:** https://discourse.nodered.org/latest.md?page=222

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

**Page:** 223

---

## [Moving Average Node returns NaN after some time](https://discourse.nodered.org/t/moving-average-node-returns-nan-after-some-time/86263)

<div class="topic-metadata">

**Author:** [@gasio](https://discourse.nodered.org/u/gasio)\
**Replies:** 5\
**Last updated:** [8 March 2024 15:57 UTC](https://discourse.nodered.org/t/moving-average-node-returns-nan-after-some-time/86263 "2024-03-08T15:57:36Z")

</div>

Hello, I want to plot soil moisture published on MQTT on a graph, which works well in Node Red. Unfortunately the sensor values seem to jump a round a bit in a short timeframe so I wanted actually use the moving average …

---

## [Node-red-contrib-arp not filtering vol2](https://discourse.nodered.org/t/node-red-contrib-arp-not-filtering-vol2/86250)

<div class="topic-metadata">

**Author:** [@meelismei](https://discourse.nodered.org/u/meelismei)\
**Replies:** 1\
**Last updated:** [8 March 2024 14:51 UTC](https://discourse.nodered.org/t/node-red-contrib-arp-not-filtering-vol2/86250 "2024-03-08T14:51:50Z")

</div>

I had a problem with node Node-red-contrib-arp, which after installing ND v3.1.6 no longer works as it should. When I put a MAC address in the node, there is no filtering on output. According to the guide, the output c…

---

## [Modifying items and rows on 2.0 tables](https://discourse.nodered.org/t/modifying-items-and-rows-on-2-0-tables/86268)

<div class="topic-metadata">

**Author:** [@ektoekto](https://discourse.nodered.org/u/ektoekto)\
**Replies:** 3\
**Last updated:** [8 March 2024 14:40 UTC](https://discourse.nodered.org/t/modifying-items-and-rows-on-2-0-tables/86268 "2024-03-08T14:40:38Z")

</div>

Hi, I tried to follow the template script tutorial, where you could specify an item and then tell it to be Celcius or to change the background color. I'm guessing that the issue is my item names. In one table they are …

---

## [What about Node-Red 4?](https://discourse.nodered.org/t/what-about-node-red-4/86274)

<div class="topic-metadata">

**Author:** [@crisconru](https://discourse.nodered.org/u/crisconru)\
**Replies:** 3\
**Last updated:** [8 March 2024 14:18 UTC](https://discourse.nodered.org/t/what-about-node-red-4/86274 "2024-03-08T14:18:52Z")

</div>

Hi mates, Maybe I am lost but I cannot find any information about this. What about Node-Red next major version? Is it expected? Any news? I think at least in next minor versions Node version should be upgrade to Node 2…

---

## [How to call method from .js file in .html file when creating node?](https://discourse.nodered.org/t/how-to-call-method-from-js-file-in-html-file-when-creating-node/86272)

<div class="topic-metadata">

**Author:** [@hansimeister](https://discourse.nodered.org/u/hansimeister)\
**Replies:** 1\
**Last updated:** [8 March 2024 14:18 UTC](https://discourse.nodered.org/t/how-to-call-method-from-js-file-in-html-file-when-creating-node/86272 "2024-03-08T14:18:26Z")

</div>

Hi There! I am trying to build a custom server-node and subscribe-event node which should be able to start a session in the websocket connection the server made. Then in this session each instance of the subscribe-event …

---

## [How do add new user login web node-red](https://discourse.nodered.org/t/how-do-add-new-user-login-web-node-red/86260)

<div class="topic-metadata">

**Author:** [@vanhaiit90](https://discourse.nodered.org/u/vanhaiit90)\
**Replies:** 1\
**Last updated:** [8 March 2024 10:26 UTC](https://discourse.nodered.org/t/how-do-add-new-user-login-web-node-red/86260 "2024-03-08T10:26:37Z")

</div>

How do I create a user different from the admin user and change the password for the admin. Help me. I have configured with the commandline: \*\*node-red admin hash-pw\*\*and add text password hash in the setting.js with us…

---

## [The workspace contains some unknown node types:server](https://discourse.nodered.org/t/the-workspace-contains-some-unknown-node-types-server/86266)

<div class="topic-metadata">

**Author:** [@mirhanozdemir](https://discourse.nodered.org/u/mirhanozdemir)\
**Replies:** 4\
**Last updated:** [8 March 2024 10:22 UTC](https://discourse.nodered.org/t/the-workspace-contains-some-unknown-node-types-server/86266 "2024-03-08T10:22:25Z")

</div>

Hi to all, I am having an error of "The workspace contains some unknown node types:server". Could you please help me about how can i solve this error? Thank you.

---

## [CUPS printer buffer](https://discourse.nodered.org/t/cups-printer-buffer/86251)

<div class="topic-metadata">

**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 1\
**Last updated:** [7 March 2024 21:15 UTC](https://discourse.nodered.org/t/cups-printer-buffer/86251 "2024-03-07T21:15:54Z")

</div>

Hello! I have a CUPS printer server. Is it possible to send a buffer directly to the printer server via Node Red?

---

## [Remote configurable Node or Flow or headless Node-RED](https://discourse.nodered.org/t/remote-configurable-node-or-flow-or-headless-node-red/86148)

<div class="topic-metadata">

**Author:** [@AirTimeDan](https://discourse.nodered.org/u/AirTimeDan)\
**Replies:** 3\
**Last updated:** [7 March 2024 21:09 UTC](https://discourse.nodered.org/t/remote-configurable-node-or-flow-or-headless-node-red/86148 "2024-03-07T21:09:08Z")

</div>

We are looking for somone to help us with our Project. We have done allready some research ourselves, but couldn't find a solution yet. In our Project we need to configure Node-RED (or only Nodes) from another Server. …

---

## [\[ANNOUNCE\] node-red-rtsp-to-mjpeg : version 1.0.0](https://discourse.nodered.org/t/announce-node-red-rtsp-to-mjpeg-version-1-0-0/86252)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 0\
**Last updated:** [7 March 2024 20:19 UTC](https://discourse.nodered.org/t/announce-node-red-rtsp-to-mjpeg-version-1-0-0/86252 "2024-03-07T20:19:50Z")

</div>

Hi folks, I needed to install a cam quickly at my fathers house, and I needed a stream of images. Which means an MJPEG stream. However it seems that some manufacturers don't offer MJPEG streams anymore in their new IP…

---

## [VueJs - where to store my data](https://discourse.nodered.org/t/vuejs-where-to-store-my-data/85939)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 9\
**Last updated:** [7 March 2024 19:54 UTC](https://discourse.nodered.org/t/vuejs-where-to-store-my-data/85939 "2024-03-07T19:54:15Z")

</div>

Hi folks, Whenever I have an hour free, I try to start migrating my old ui nodes to D2. But due to my lack of Vue knowledge, I find it rather difficult to get started. Seems that Vue is doing a lot of magic behind the…

---

## [A tutorial on how to add a dropdown to the node edit properties of a subflow](https://discourse.nodered.org/t/a-tutorial-on-how-to-add-a-dropdown-to-the-node-edit-properties-of-a-subflow/86247)

<div class="topic-metadata">

**Author:** [@mitch-shiver](https://discourse.nodered.org/u/mitch-shiver)\
**Replies:** 2\
**Last updated:** [7 March 2024 19:09 UTC](https://discourse.nodered.org/t/a-tutorial-on-how-to-add-a-dropdown-to-the-node-edit-properties-of-a-subflow/86247 "2024-03-07T19:09:31Z")

</div>

Hi, I have created a custom node using a subflow. One of the fields that I want in the edit properties for the new node is a dropdown containing "up", "down", "left", "right" rather than requiring the user of the node to…

---

## [Dialog not appering in DB2, only the page is faded](https://discourse.nodered.org/t/dialog-not-appering-in-db2-only-the-page-is-faded/85685)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 38\
**Last updated:** [7 March 2024 18:08 UTC](https://discourse.nodered.org/t/dialog-not-appering-in-db2-only-the-page-is-faded/85685 "2024-03-07T18:08:05Z")

</div>

I am trying to implement a v-dialog in DB2. I took one of the example and added to a template node: \<template\> \<v-btn color="primary" @click="dialog = true"\> Open Dialog \</v-btn\> …

---

## [Dashboard background image](https://discourse.nodered.org/t/dashboard-background-image/86173)

<div class="topic-metadata">

**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\
**Replies:** 25\
**Last updated:** [7 March 2024 17:14 UTC](https://discourse.nodered.org/t/dashboard-background-image/86173 "2024-03-07T17:14:37Z")

</div>

i did all what they said changing httpstatic import image in a folder static write the css and also nothing appeard i don't know what's the problem can someone help me please and thank you

---

## [Remote coding environments](https://discourse.nodered.org/t/remote-coding-environments/86227)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [7 March 2024 17:06 UTC](https://discourse.nodered.org/t/remote-coding-environments/86227 "2024-03-07T17:06:10Z")

</div>

Hi all, For anyone who might have a need to remotely edit code on a server, there is a new open source product just released that lets you set one up very rapidly. I thought I'd share it in case anyone needs it. When u…

---

## [Alignment of groups in pages - Dashboard 2](https://discourse.nodered.org/t/alignment-of-groups-in-pages-dashboard-2/86210)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 13\
**Last updated:** [7 March 2024 16:00 UTC](https://discourse.nodered.org/t/alignment-of-groups-in-pages-dashboard-2/86210 "2024-03-07T16:00:11Z")

</div>

Still getting my head around positioning widgets & groups in DB2. I have a page laid out as 'Fixed', and 2 groups; The first group is sized 6 x 6 and which contains gauges. The second group is 3 x 6 and does not conta…

---

## [Couldn't instal node-red-contrib-azure-iot-edge-module v1.0.4 on node-red 3.1.6](https://discourse.nodered.org/t/couldnt-instal-node-red-contrib-azure-iot-edge-module-v1-0-4-on-node-red-3-1-6/86242)

<div class="topic-metadata">

**Author:** [@arseny-sandaar](https://discourse.nodered.org/u/arseny-sandaar)\
**Replies:** 1\
**Last updated:** [7 March 2024 15:08 UTC](https://discourse.nodered.org/t/couldnt-instal-node-red-contrib-azure-iot-edge-module-v1-0-4-on-node-red-3-1-6/86242 "2024-03-07T15:08:55Z")

</div>

I have installed Node-RED as a IoT edge device module (docker image: nodered/node-red:3.1-debian) Node-RED is running on the host. I have installed several modules such as node-red-contrib-s7 v3.1.0 and node-red-dashbo…

---

## [Building Unified Namespace using Node-RED and MQTT](https://discourse.nodered.org/t/building-unified-namespace-using-node-red-and-mqtt/86241)

<div class="topic-metadata">

**Author:** [@gdziuba](https://discourse.nodered.org/u/gdziuba)\
**Replies:** 0\
**Last updated:** [7 March 2024 14:40 UTC](https://discourse.nodered.org/t/building-unified-namespace-using-node-red-and-mqtt/86241 "2024-03-07T14:40:10Z")

</div>

Join Grey Dziuba (me), OT Data and Community Strategist, and Kudzai Manditereza, Developer Advocate at HiveMQ, as we discuss MQTT and Node-RED and how it pertains to the Unified Namespace, UNS. What value does a UNS brin…

---

## [Screenshoot dashboard and generate a image](https://discourse.nodered.org/t/screenshoot-dashboard-and-generate-a-image/86200)

<div class="topic-metadata">

**Author:** [@Erissin\_Industria4.0](https://discourse.nodered.org/u/Erissin_Industria4.0)\
**Replies:** 5\
**Last updated:** [7 March 2024 13:25 UTC](https://discourse.nodered.org/t/screenshoot-dashboard-and-generate-a-image/86200 "2024-03-07T13:25:09Z")

</div>

I'm using a node that takes a print of the url you choose, and it has a function that allows you to choose the part of the print using the class of the object or the id, however whenever I generate the image with any cla…

---

## [Passing dynamic class into dashboard 2.0 ui\_template](https://discourse.nodered.org/t/passing-dynamic-class-into-dashboard-2-0-ui-template/85861)

<div class="topic-metadata">

**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 10\
**Last updated:** [7 March 2024 11:02 UTC](https://discourse.nodered.org/t/passing-dynamic-class-into-dashboard-2-0-ui-template/85861 "2024-03-07T11:02:37Z")

</div>

For some reason NR Dashobard 2.0 fails to render a class set by my incoming msg.style If I replace {{msg.sub\[0\].style}} with static class name, it works. Why?

---

## [Starting from scratch](https://discourse.nodered.org/t/starting-from-scratch/86216)

<div class="topic-metadata">

**Author:** [@Homerjsimpson137](https://discourse.nodered.org/u/Homerjsimpson137)\
**Replies:** 7\
**Last updated:** [7 March 2024 09:55 UTC](https://discourse.nodered.org/t/starting-from-scratch/86216 "2024-03-07T09:55:26Z")

</div>

Is there a way to start from scratch with Node-Red? Meaning nothing is saved and all is deleted. Ive screwed up something that I had working so I deleted my deployed flow and shutdown everything and rebooted everything…

---

## [Setting opc ua item via function node](https://discourse.nodered.org/t/setting-opc-ua-item-via-function-node/85697)

<div class="topic-metadata">

**Author:** [@Timo7](https://discourse.nodered.org/u/Timo7)\
**Replies:** 1\
**Last updated:** [7 March 2024 09:51 UTC](https://discourse.nodered.org/t/setting-opc-ua-item-via-function-node/85697 "2024-03-07T09:51:32Z")

</div>

Hi, i'm using the node-red-contrib-opcua library to access nodes from a siemens SPS. I have to read multiple id's from it. Now i want to dynamically pass the opc ua item with a function node. Is there a way to do it? T…

---

## [How to define the endpoint for OPC-UA with payload?](https://discourse.nodered.org/t/how-to-define-the-endpoint-for-opc-ua-with-payload/85671)

<div class="topic-metadata">

**Author:** [@ashiqzcc](https://discourse.nodered.org/u/ashiqzcc)\
**Replies:** 1\
**Last updated:** [7 March 2024 09:50 UTC](https://discourse.nodered.org/t/how-to-define-the-endpoint-for-opc-ua-with-payload/85671 "2024-03-07T09:50:26Z")

</div>

I'm interested in knowing whether it's feasible to set the OPC UA client's endpoint dynamically using the payload. My goal is to simplify the code structure since I have more than 200 OPC UA clients.

---

## [Detecting power is restored via MQTT](https://discourse.nodered.org/t/detecting-power-is-restored-via-mqtt/86188)

<div class="topic-metadata">

**Author:** [@jsprenkle](https://discourse.nodered.org/u/jsprenkle)\
**Replies:** 4\
**Last updated:** [7 March 2024 09:34 UTC](https://discourse.nodered.org/t/detecting-power-is-restored-via-mqtt/86188 "2024-03-07T09:34:26Z")

</div>

Good morning, I'd like to detect when power is restored to devices (using MQTT). My node-red and MQTT servers are on a battery backup. Any ideas other than watch for LWT messages? Thanks, Jay

---

## [Use NodeRED as MQTT Bridge](https://discourse.nodered.org/t/use-nodered-as-mqtt-bridge/86162)

<div class="topic-metadata">

**Author:** [@omem](https://discourse.nodered.org/u/omem)\
**Replies:** 10\
**Last updated:** [6 March 2024 18:21 UTC](https://discourse.nodered.org/t/use-nodered-as-mqtt-bridge/86162 "2024-03-06T18:21:07Z")

</div>

Im trying to forward from MQTT in to MQTT out connection They on diffrent MQTT connections, (the input from hiveMQ broker and the the output is for AWS IoT core) why it is dosent work for me I also tried to add aFun…

---

## [Convert data from float to Word](https://discourse.nodered.org/t/convert-data-from-float-to-word/86219)

<div class="topic-metadata">

**Author:** [@Sobri](https://discourse.nodered.org/u/Sobri)\
**Replies:** 2\
**Last updated:** [7 March 2024 06:02 UTC](https://discourse.nodered.org/t/convert-data-from-float-to-word/86219 "2024-03-07T06:02:01Z")

</div>

I have successfully connected the PLC to node-red and dashboard, but in the HMI the word appears, but when in the node-red dashboard the number appears. How do I change it in the dashboard to be HMI compliant i.e. change…

---

## [Node Red emailer and 0auth2- "ReferenceError: msg is not defined" function check](https://discourse.nodered.org/t/node-red-emailer-and-0auth2-referenceerror-msg-is-not-defined-function-check/86178)

<div class="topic-metadata">

**Author:** [@hadwll](https://discourse.nodered.org/u/hadwll)\
**Replies:** 3\
**Last updated:** [7 March 2024 05:58 UTC](https://discourse.nodered.org/t/node-red-emailer-and-0auth2-referenceerror-msg-is-not-defined-function-check/86178 "2024-03-07T05:58:15Z")

</div>

I have setup an email node with Oauth2 authentication, that side of it is working, I have got the access token ok. I am getting an error on deploy when from the email node itself. ("ReferenceError: msg is not defined") …

---

## [Odd issue with Join node](https://discourse.nodered.org/t/odd-issue-with-join-node/86218)

<div class="topic-metadata">

**Author:** [@0Nulls](https://discourse.nodered.org/u/0Nulls)\
**Replies:** 3\
**Last updated:** [7 March 2024 04:23 UTC](https://discourse.nodered.org/t/odd-issue-with-join-node/86218 "2024-03-07T04:23:20Z")

</div>

For some reason, this one Join node won't Join the payloads. Here are a few screenshots: Since I can only do 2 screenshots since I'm new here, here's my current join node config Mode: Manual Combine each: msg.payload …

---

## [IP MC Read in flow 1 and 2 cannot be different](https://discourse.nodered.org/t/ip-mc-read-in-flow-1-and-2-cannot-be-different/86146)

<div class="topic-metadata">

**Author:** [@Sobri](https://discourse.nodered.org/u/Sobri)\
**Replies:** 7\
**Last updated:** [7 March 2024 02:02 UTC](https://discourse.nodered.org/t/ip-mc-read-in-flow-1-and-2-cannot-be-different/86146 "2024-03-07T02:02:35Z")

</div>

why is the MC Read node in the red node in flow 1 and 2 when one of the MC Reads in flow 1 is changed IP why does the MC Read in flow 2 also change. How to make the IP in MC Read in flow 1 and flow 2 can be different?

---

## [Removing a module](https://discourse.nodered.org/t/removing-a-module/86204)

<div class="topic-metadata">

**Author:** [@bithead](https://discourse.nodered.org/u/bithead)\
**Replies:** 3\
**Last updated:** [7 March 2024 00:02 UTC](https://discourse.nodered.org/t/removing-a-module/86204 "2024-03-07T00:02:12Z")

</div>

I'm trying to remove a module from the node-red database. The module in question is ays-agent. I have a new module that better follows naming convention at @bithead/node-red-ays-server. Originally, I thought my module w…

[Previous page](https://discourse.nodered.org/latest.md?page=221)

[Next page](https://discourse.nodered.org/latest.md?page=223)