# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=289

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

**Page:** 290

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## [Securing Webhook and Websockets connections](https://discourse.nodered.org/t/securing-webhook-and-websockets-connections/81935)

<div class="topic-metadata">

**Author:** [@linker3000](https://discourse.nodered.org/u/linker3000)\
**Replies:** 2\
**Last updated:** [14 October 2023 12:19 UTC](https://discourse.nodered.org/t/securing-webhook-and-websockets-connections/81935 "2023-10-14T12:19:40Z")

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Is there a sensible way to secure a publicly-exposed Webhook or Web Socket node using inbuilt tools or add-ons without using a third party service (eg: Webhook Relay), or is a local secure proxy (eg: Nginx) the way to go…

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## [Time picker does not prepolulate](https://discourse.nodered.org/t/time-picker-does-not-prepolulate/81978)

<div class="topic-metadata">

**Author:** [@manjha](https://discourse.nodered.org/u/manjha)\
**Replies:** 6\
**Last updated:** [13 October 2023 12:45 UTC](https://discourse.nodered.org/t/time-picker-does-not-prepolulate/81978 "2023-10-13T12:45:00Z")

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I use a timepicker to provide a time to Domoticz. I feed a preset value into the node, and expect it to display. But it doesn't... weird thing is that once I click on the timepicker field, and then click on another fiel…

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## [New node for HTTP Basic Auth](https://discourse.nodered.org/t/new-node-for-http-basic-auth/82014)

<div class="topic-metadata">

**Author:** [@Alkarex](https://discourse.nodered.org/u/Alkarex)\
**Replies:** 1\
**Last updated:** [13 October 2023 22:36 UTC](https://discourse.nodered.org/t/new-node-for-http-basic-auth/82014 "2023-10-13T22:36:51Z")

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Hello, The situation was messy for Basic HTTP Authentication for HTTP In, as some have noticed (e.g. HTTP Auth node is obsolete , but the topic is closed), with several abandoned nodes, several forks, and pending pull r…

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## [Using environment variables](https://discourse.nodered.org/t/using-environment-variables/81975)

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**Author:** [@GretaC](https://discourse.nodered.org/u/GretaC)\
**Replies:** 14\
**Last updated:** [13 October 2023 19:43 UTC](https://discourse.nodered.org/t/using-environment-variables/81975 "2023-10-13T19:43:34Z")

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Hi, I try to use my own environment variables in sub-flows. That's my goal and I fail. So I go back to a very simple 'flow' with nothing but a Inject node and a debug node. I set up the Inject node and replace the def…

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## [Node-Red flows keep showing disconnected at times](https://discourse.nodered.org/t/node-red-flows-keep-showing-disconnected-at-times/82012)

<div class="topic-metadata">

**Author:** [@Dozer](https://discourse.nodered.org/u/Dozer)\
**Replies:** 1\
**Last updated:** [13 October 2023 18:24 UTC](https://discourse.nodered.org/t/node-red-flows-keep-showing-disconnected-at-times/82012 "2023-10-13T18:24:56Z")

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I'm using HA on a Nuc PC under Proxmox... I've installed Node Red and it seems tobe working, but the nodes I have, after a short time, stop working and show "disconnected. Do these logs from HA "Supervisor" look ok? 2…

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## [ssh node @insectos/ssh-exec 0.3.2](https://discourse.nodered.org/t/ssh-node-insectos-ssh-exec-0-3-2/82007)

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**Author:** [@Stefan68](https://discourse.nodered.org/u/Stefan68)\
**Replies:** 0\
**Last updated:** [13 October 2023 14:17 UTC](https://discourse.nodered.org/t/ssh-node-insectos-ssh-exec-0-3-2/82007 "2023-10-13T14:17:59Z")

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Hello, I would like to send a command to a Unifi AP via ssh, it works perfectly with Putty. Now in Nodered I use this node "@insectos/ssh-exec 0.3.2". He builds a connection with me and can also see this in his observat…

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## [Creating CRC16 xModem Hex Value](https://discourse.nodered.org/t/creating-crc16-xmodem-hex-value/81981)

<div class="topic-metadata">

**Author:** [@michaelbusry](https://discourse.nodered.org/u/michaelbusry)\
**Replies:** 7\
**Last updated:** [13 October 2023 14:38 UTC](https://discourse.nodered.org/t/creating-crc16-xmodem-hex-value/81981 "2023-10-13T14:38:58Z")

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I'm new here and rusty on my Java sorry if this sounds silly and before you say I've tried the other postings and I couldn't get them to work. What we're need to do is to send an ASCII base64 value from a JSON object st…

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## [How do I spotlight specific node in the flow](https://discourse.nodered.org/t/how-do-i-spotlight-specific-node-in-the-flow/82003)

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**Author:** [@zubong](https://discourse.nodered.org/u/zubong)\
**Replies:** 1\
**Last updated:** [13 October 2023 14:14 UTC](https://discourse.nodered.org/t/how-do-i-spotlight-specific-node-in-the-flow/82003 "2023-10-13T14:14:14Z")

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I have a node which can be used multiple times in the flow, so whenever any one of those node fails I want to spotlight the same in the flow.! is there any way to do that.?

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## [Pie Chart whitin a SVG Dashboard](https://discourse.nodered.org/t/pie-chart-whitin-a-svg-dashboard/81952)

<div class="topic-metadata">

**Author:** [@bobfield](https://discourse.nodered.org/u/bobfield)\
**Replies:** 8\
**Last updated:** [13 October 2023 14:08 UTC](https://discourse.nodered.org/t/pie-chart-whitin-a-svg-dashboard/81952 "2023-10-13T14:08:44Z")

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Hi Dears, I'm using a ui-SVG contrib to implement a kind of SCADA (Supervisory Control of Automation), and I need to show a pie chart with two categories within of SVG screen. Is it possible put a svg pie chart that wil…

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## [Dealing with variables when duplicating groups of nodes](https://discourse.nodered.org/t/dealing-with-variables-when-duplicating-groups-of-nodes/81917)

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**Author:** [@JeromeVISUALS](https://discourse.nodered.org/u/JeromeVISUALS)\
**Replies:** 4\
**Last updated:** [13 October 2023 13:53 UTC](https://discourse.nodered.org/t/dealing-with-variables-when-duplicating-groups-of-nodes/81917 "2023-10-13T13:53:53Z")

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Hi all ! I need to duplicate some parts of a flow as I need to get the same behavior and workflow to work with another device ( or let's say another identical feature of the same device) My first idea was to make use o…

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## [Exec node exe has multiple msgs when there should be one (windows)](https://discourse.nodered.org/t/exec-node-exe-has-multiple-msgs-when-there-should-be-one-windows/82001)

<div class="topic-metadata">

**Author:** [@mored](https://discourse.nodered.org/u/mored)\
**Replies:** 3\
**Last updated:** [13 October 2023 13:22 UTC](https://discourse.nodered.org/t/exec-node-exe-has-multiple-msgs-when-there-should-be-one-windows/82001 "2023-10-13T13:22:50Z")

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I have a C# console app that I've created that amongst other things runs a (sub?) process. When using the exec node to run the compiled binary the process that the exe creates seems to get picked up by node red. Can see …

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## [Functions Association](https://discourse.nodered.org/t/functions-association/81974)

<div class="topic-metadata">

**Author:** [@leo17](https://discourse.nodered.org/u/leo17)\
**Replies:** 7\
**Last updated:** [13 October 2023 13:17 UTC](https://discourse.nodered.org/t/functions-association/81974 "2023-10-13T13:17:32Z")

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Hello everyone, I would like to associate two functions in a 1 fuction (association) to store them in my database (MongoDB) . My first fuction is : var dateActuelle = new Date(); var dateFormatee = dateActuelle.g…

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## [Linking two or more conditions in a function node - syntax?](https://discourse.nodered.org/t/linking-two-or-more-conditions-in-a-function-node-syntax/81997)

<div class="topic-metadata">

**Author:** [@pinie\_pinie](https://discourse.nodered.org/u/pinie_pinie)\
**Replies:** 4\
**Last updated:** [13 October 2023 12:58 UTC](https://discourse.nodered.org/t/linking-two-or-more-conditions-in-a-function-node-syntax/81997 "2023-10-13T12:58:55Z")

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Hello, I need the syntax for a function node to compare at least 2 conditions at the input and then generate a result accordingly. e.g. At the input the values 20 and 40 come from 2 nodes. Now the connection: If paylo…

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## [\[Feature Request\]Delete nodes by dragging back to left side bar](https://discourse.nodered.org/t/feature-request-delete-nodes-by-dragging-back-to-left-side-bar/81992)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 9\
**Last updated:** [13 October 2023 12:29 UTC](https://discourse.nodered.org/t/feature-request-delete-nodes-by-dragging-back-to-left-side-bar/81992 "2023-10-13T12:29:11Z")

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In all other block programming editors (Scratch, Snap!, Blocky etc), they all allow you to delete a loose block by dragging it back over to the left hand palette. This catches me out in Node-RED, as I repeatably try to …

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## [🕸️ MQTT v5 Viewer - View a range of topics with values and extended MQTT v5 data](https://discourse.nodered.org/t/mqtt-v5-viewer-view-a-range-of-topics-with-values-and-extended-mqtt-v5-data/81825)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 19\
**Last updated:** [13 October 2023 12:25 UTC](https://discourse.nodered.org/t/mqtt-v5-viewer-view-a-range-of-topics-with-values-and-extended-mqtt-v5-data/81825 "2023-10-13T12:25:19Z")

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I will publish this as a Flow once I'm happy that it is a bit more complete. However, as some have expressed an interest ... A thread was raised on the forum recently about being able to track who/what updated an MQTT t…

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## [Raspberry Pi Device - Play mp3 file without opening dashboard](https://discourse.nodered.org/t/raspberry-pi-device-play-mp3-file-without-opening-dashboard/81996)

<div class="topic-metadata">

**Author:** [@Mbessing](https://discourse.nodered.org/u/Mbessing)\
**Replies:** 0\
**Last updated:** [13 October 2023 10:17 UTC](https://discourse.nodered.org/t/raspberry-pi-device-play-mp3-file-without-opening-dashboard/81996 "2023-10-13T10:17:38Z")

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Hi, I want to add multiple Raspberry Pi devices to my cloud FlowFuse application and be able to play audio through their audio jack port without openening the dashboard in the browser. My question is, what nodes can I u…

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## [Multi acces user httpNodeAuth](https://discourse.nodered.org/t/multi-acces-user-httpnodeauth/81995)

<div class="topic-metadata">

**Author:** [@LinkView\_Maze](https://discourse.nodered.org/u/LinkView_Maze)\
**Replies:** 0\
**Last updated:** [13 October 2023 10:06 UTC](https://discourse.nodered.org/t/multi-acces-user-httpnodeauth/81995 "2023-10-13T10:06:02Z")

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Hello In file settinfgs.js i will create a multiple acces user. httpNodeAuth: {user:"user", pass: "HASH-PW"}, Is it possible to create several users in this file? Thank You

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## [Sending an Hex Command over TCP](https://discourse.nodered.org/t/sending-an-hex-command-over-tcp/8267)

<div class="topic-metadata">

**Author:** [@BastelKlaus](https://discourse.nodered.org/u/BastelKlaus)\
**Replies:** 17\
**Last updated:** [13 October 2023 09:21 UTC](https://discourse.nodered.org/t/sending-an-hex-command-over-tcp/8267 "2023-10-13T09:21:18Z")

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Hi, i´m trying to read out my Central Heating. It have an RS232 port and i will send an Command over Node-red (based on IoBroker), over a Usr-TCP232 (Serial Port converter). I try to send this Hex Command: 0x7B 0x4…

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## [Communication with Buderus MX 300](https://discourse.nodered.org/t/communication-with-buderus-mx-300/81536)

<div class="topic-metadata">

**Author:** [@pinie\_pinie](https://discourse.nodered.org/u/pinie_pinie)\
**Replies:** 4\
**Last updated:** [13 October 2023 08:53 UTC](https://discourse.nodered.org/t/communication-with-buderus-mx-300/81536 "2023-10-13T08:53:01Z")

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Hello, I have a new heater from Buderus. An MX 300 WLAN module is installed for communication. You can control the heating via an app. Is it possible to integrate this system via Nodered? Thank you!

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## [Strange Behaviour on Applying Mathematics on Variable](https://discourse.nodered.org/t/strange-behaviour-on-applying-mathematics-on-variable/81986)

<div class="topic-metadata">

**Author:** [@Kalvintan](https://discourse.nodered.org/u/Kalvintan)\
**Replies:** 2\
**Last updated:** [13 October 2023 06:43 UTC](https://discourse.nodered.org/t/strange-behaviour-on-applying-mathematics-on-variable/81986 "2023-10-13T06:43:35Z")

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Hello everyone, I've recently been attempting to perform mathematical operations on a variable in my Home Assistant setup. The variable I'm working with is obtained from Home Assistant and is named comfort\_temperature. …

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## [MQTT yields no results from 'status' or 'complete' nodes](https://discourse.nodered.org/t/mqtt-yields-no-results-from-status-or-complete-nodes/81831)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 15\
**Last updated:** [13 October 2023 01:12 UTC](https://discourse.nodered.org/t/mqtt-yields-no-results-from-status-or-complete-nodes/81831 "2023-10-13T01:12:04Z")

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EDIT: 'status' worked when I shut down Mosquitto MQTT broker. So, 'status' node confirmed OK. 'complete' does not work as I had expected. It needs a in/out pair to start/complete. This is not based on just sending mes…

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## [HTTP node overwrites msg, how to solve?](https://discourse.nodered.org/t/http-node-overwrites-msg-how-to-solve/81982)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 7\
**Last updated:** [13 October 2023 00:20 UTC](https://discourse.nodered.org/t/http-node-overwrites-msg-how-to-solve/81982 "2023-10-13T00:20:29Z")

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I'd like to pass something like the below to an HTTP request node, and have the HTTP node spit out its response including the additional properties: msg = { "payload": "foo - replace this with output from HTTP node"…

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## [Using npm module](https://discourse.nodered.org/t/using-npm-module/81977)

<div class="topic-metadata">

**Author:** [@Greg50100](https://discourse.nodered.org/u/Greg50100)\
**Replies:** 2\
**Last updated:** [12 October 2023 20:16 UTC](https://discourse.nodered.org/t/using-npm-module/81977 "2023-10-12T20:16:24Z")

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Hi, I'm new to Node Red and I would like to use the astronomy-engine npm module (astronomy-engine - npm) in node npm but I can't find any examples to help me. Is it possible to have some help to extract the functions?

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## [Http request node get server not responding error](https://discourse.nodered.org/t/http-request-node-get-server-not-responding-error/81919)

<div class="topic-metadata">

**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 6\
**Last updated:** [12 October 2023 17:38 UTC](https://discourse.nodered.org/t/http-request-node-get-server-not-responding-error/81919 "2023-10-12T17:38:51Z")

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I have a flow that is being used by some one else but getting : msg.payload : string\[71\] "RequestError : https://www.blitzortung.org/en/JS/live\_lightning\_maps.js" 10/10/2023, 21:04:00node: e9f91fa8e7a0868emsg : strin…

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## [Search an Array](https://discourse.nodered.org/t/search-an-array/81969)

<div class="topic-metadata">

**Author:** [@Elad23](https://discourse.nodered.org/u/Elad23)\
**Replies:** 11\
**Last updated:** [12 October 2023 16:35 UTC](https://discourse.nodered.org/t/search-an-array/81969 "2023-10-12T16:35:12Z")

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Hi, I have a text file that I am loading into an array which contains lots of license plates. I have a feed coming from a camera with msg.payload of licene plate data; I want to be able to search every message coming o…

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## [Get values from form perform operation in functions](https://discourse.nodered.org/t/get-values-from-form-perform-operation-in-functions/81971)

<div class="topic-metadata">

**Author:** [@garry\_0984](https://discourse.nodered.org/u/garry_0984)\
**Replies:** 2\
**Last updated:** [12 October 2023 15:20 UTC](https://discourse.nodered.org/t/get-values-from-form-perform-operation-in-functions/81971 "2023-10-12T15:20:40Z")

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How to get values from nodes like input and perform operation on that inputs by using functions and show text on nodered dashboard

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## [Unusually High CPU Usage on Raspberry Pi 3 at Startup](https://discourse.nodered.org/t/unusually-high-cpu-usage-on-raspberry-pi-3-at-startup/81920)

<div class="topic-metadata">

**Author:** [@dunum](https://discourse.nodered.org/u/dunum)\
**Replies:** 17\
**Last updated:** [12 October 2023 13:39 UTC](https://discourse.nodered.org/t/unusually-high-cpu-usage-on-raspberry-pi-3-at-startup/81920 "2023-10-12T13:39:54Z")

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Hi I have successfully installed and run Node-RED on many Raspberry Pi systems to date, however my latest install has shown strange CPU activity at start-up. Following start-up of a clean system build, with no other pr…

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## [The specified msg.topic is not supported](https://discourse.nodered.org/t/the-specified-msg-topic-is-not-supported/77291)

<div class="topic-metadata">

**Author:** [@ninaaa](https://discourse.nodered.org/u/ninaaa)\
**Replies:** 22\
**Last updated:** [12 October 2023 12:34 UTC](https://discourse.nodered.org/t/the-specified-msg-topic-is-not-supported/77291 "2023-10-12T12:34:33Z")

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Hello, I hope you can help me. I always get this message (with every value change (update) and everything works very sluggishly in this picture! What am I doing wrong? Thenks

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## [If/Else statements failing](https://discourse.nodered.org/t/if-else-statements-failing/81964)

<div class="topic-metadata">

**Author:** [@mattuns](https://discourse.nodered.org/u/mattuns)\
**Replies:** 4\
**Last updated:** [12 October 2023 10:51 UTC](https://discourse.nodered.org/t/if-else-statements-failing/81964 "2023-10-12T10:51:43Z")

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Hi All, Firstly, apologies for the newbie questions. I suspect this is a straightforward solution but I've not been able to find it yet. I have a number of sensors and am using a existing github repository for the java…

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## [Tcp msg is reassigned to the next data before debug output](https://discourse.nodered.org/t/tcp-msg-is-reassigned-to-the-next-data-before-debug-output/81907)

<div class="topic-metadata">

**Author:** [@fullmooooon](https://discourse.nodered.org/u/fullmooooon)\
**Replies:** 19\
**Last updated:** [12 October 2023 10:37 UTC](https://discourse.nodered.org/t/tcp-msg-is-reassigned-to-the-next-data-before-debug-output/81907 "2023-10-12T10:37:13Z")

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After my node-red connects to the tcp server, if there is a slight load in the function that gets the data. It seems that debug sometimes outputs the next set of buffer data. If I reuse msg objects. Testing function…

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