# Latest

**URL:** https://discourse.nodered.org/latest.md?page=629

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

**Page:** 630

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## [🎉 Node-RED 2.2.1 released](https://discourse.nodered.org/t/node-red-2-2-1-released/58392)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 6\
**Last updated:** [16 February 2022 07:53 UTC](https://discourse.nodered.org/t/node-red-2-2-1-released/58392 "2022-02-16T07:53:28Z")

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Node-RED 2.2.1 is now available. This fixes an issue that could lead to multiple wires being added when undoing a delete. As well as fixing the path that could lead to that, it will also actively filter out any duplicat…

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## [No sound from Raspberry Pi-Browser](https://discourse.nodered.org/t/no-sound-from-raspberry-pi-browser/58387)

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**Author:** [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\
**Replies:** 4\
**Last updated:** [16 February 2022 06:13 UTC](https://discourse.nodered.org/t/no-sound-from-raspberry-pi-browser/58387 "2022-02-16T06:13:33Z")

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Hello, I can hear the sounds depending on the variables through the PC. (thanks to Audio Out). But I can't hear these sounds on the Pi. Do you know of a different method or plugin?

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## [How to use jcon data as a variable in UI template](https://discourse.nodered.org/t/how-to-use-jcon-data-as-a-variable-in-ui-template/58433)

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**Author:** [@9manloon](https://discourse.nodered.org/u/9manloon)\
**Replies:** 0\
**Last updated:** [16 February 2022 05:57 UTC](https://discourse.nodered.org/t/how-to-use-jcon-data-as-a-variable-in-ui-template/58433 "2022-02-16T05:57:37Z")

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I need to use a jcon value to insert to a url of a image. for example, I need to use the result of the payload "msg.dayicon" and inset to the url to display the image. If msg.dayicon is 50, then the URL will be: https:…

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## [ESPEASY + NodeRED + MQTT](https://discourse.nodered.org/t/espeasy-nodered-mqtt/58124)

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**Author:** [@Doho](https://discourse.nodered.org/u/Doho)\
**Replies:** 4\
**Last updated:** [16 February 2022 02:02 UTC](https://discourse.nodered.org/t/espeasy-nodered-mqtt/58124 "2022-02-16T02:02:41Z")

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Hi. I am using ESPEASY and NODERED. I want to send the value of DHT22 connected to ESPEASY to NodeRED through Mqtt and check it through the dashboard. First, the value of DHT22 was checked as mqtt through ESPEASY and …

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## [Send payload inside a loop (for)](https://discourse.nodered.org/t/send-payload-inside-a-loop-for/58426)

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**Author:** [@Lafayette](https://discourse.nodered.org/u/Lafayette)\
**Replies:** 2\
**Last updated:** [16 February 2022 01:57 UTC](https://discourse.nodered.org/t/send-payload-inside-a-loop-for/58426 "2022-02-16T01:57:20Z")

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Hi, I have this function (node function / Tab On Message) : const val = msg.payload; let file\_out = {}; for (var i = 0; i \< val.length/4; i++){ file\_out = { 'name' : val\[i + val.length/2\].\_value, …

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## [Tail alternative for windows?](https://discourse.nodered.org/t/tail-alternative-for-windows/58415)

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**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 14\
**Last updated:** [16 February 2022 00:15 UTC](https://discourse.nodered.org/t/tail-alternative-for-windows/58415 "2022-02-16T00:15:22Z")

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I mostly run Node-red on Linux machines, but have recently tried to monitor a log file for VLC on Windows with the "Tail" node. However, it seems that "Tail" requires that I close the file in VLC first (seems to be a Win…

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## [Error con palette](https://discourse.nodered.org/t/error-con-palette/58360)

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**Author:** [@JPgravier](https://discourse.nodered.org/u/JPgravier)\
**Replies:** 8\
**Last updated:** [15 February 2022 23:34 UTC](https://discourse.nodered.org/t/error-con-palette/58360 "2022-02-15T23:34:05Z")

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Tengo problemas para descargar librerías en node red, me parece este error. 2022-02-15T05:20:14.400Z npm install --no-audit --no-update-notifier --no-fund --save --save-prefix=~ --production node-red-contrib-buffer-pars…

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## [Shared system folders in multi user instances?](https://discourse.nodered.org/t/shared-system-folders-in-multi-user-instances/57882)

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**Author:** [@corso66](https://discourse.nodered.org/u/corso66)\
**Replies:** 33\
**Last updated:** [15 February 2022 22:27 UTC](https://discourse.nodered.org/t/shared-system-folders-in-multi-user-instances/57882 "2022-02-15T22:27:50Z")

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Hello, I tested multi users by running more than one nodered instances in the same machine, same flow for each. I want to know if it is possible to share from the main nodered admin folder, for exemple "node-modules" a…

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## [Add msg.payload to an Payload in a Function Node](https://discourse.nodered.org/t/add-msg-payload-to-an-payload-in-a-function-node/58407)

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**Author:** [@Zyan](https://discourse.nodered.org/u/Zyan)\
**Replies:** 2\
**Last updated:** [15 February 2022 21:27 UTC](https://discourse.nodered.org/t/add-msg-payload-to-an-payload-in-a-function-node/58407 "2022-02-15T21:27:01Z")

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Hello Guys i have an Function Node : msg.payload = "export DISPLAY=:0 && /usr/bin/chromium {msg.payload} --start-fullscreen --kiosk" return msg; and at the Point {msg.payload} i wanne add the payload that comes in the…

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## [Unable to use x728 hardware safe shutdown/reboot button while Node.red is running](https://discourse.nodered.org/t/unable-to-use-x728-hardware-safe-shutdown-reboot-button-while-node-red-is-running/58336)

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**Author:** [@sim](https://discourse.nodered.org/u/sim)\
**Replies:** 2\
**Last updated:** [15 February 2022 21:16 UTC](https://discourse.nodered.org/t/unable-to-use-x728-hardware-safe-shutdown-reboot-button-while-node-red-is-running/58336 "2022-02-15T21:16:13Z")

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I am running a Raspberry Pi 3B+ with Buster and I have an x728 UPS for battery backup and it has a button for safe shutdown and reboot. Works fine. However , when I run Node.red this button does not work anymore. It bli…

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## [Background Image Dashboard](https://discourse.nodered.org/t/background-image-dashboard/58130)

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**Author:** [@HollaDieWaldfee](https://discourse.nodered.org/u/HollaDieWaldfee)\
**Replies:** 7\
**Last updated:** [15 February 2022 21:09 UTC](https://discourse.nodered.org/t/background-image-dashboard/58130 "2022-02-15T21:09:41Z")

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Hi everybody! I have been searching this forum, for a answer but couldnt find it so far... I want to change the Background of my Dashboard to a picture. I have read about changing the httpStatic in the settings, but t…

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## [Delete all characters from the last space](https://discourse.nodered.org/t/delete-all-characters-from-the-last-space/58413)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 2\
**Last updated:** [15 February 2022 18:56 UTC](https://discourse.nodered.org/t/delete-all-characters-from-the-last-space/58413 "2022-02-15T18:56:28Z")

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Hi! is it possible to delete all characters from the last space? Here's an example. O ring set IFW140-05 Flywheel Tapered Collet Set IFW143B Shock Boots IFW154 and this is what it should look like when it's done. I…

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## [Ui\_spacer notice on deploy](https://discourse.nodered.org/t/ui-spacer-notice-on-deploy/57423)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 8\
**Last updated:** [15 February 2022 18:53 UTC](https://discourse.nodered.org/t/ui-spacer-notice-on-deploy/57423 "2022-02-15T18:53:12Z")

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I was using the Dashboard layout editor (only my 2nd time) and 2 things happened; i) the layout manager placed a ton (like 25) of unnecessary spacer 1x1 in the layout (as shown in debug), so I removed them (actual UI lay…

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## [Is there a way to pass variable to node-screenshot?](https://discourse.nodered.org/t/is-there-a-way-to-pass-variable-to-node-screenshot/58412)

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**Author:** [@Hitesh](https://discourse.nodered.org/u/Hitesh)\
**Replies:** 0\
**Last updated:** [15 February 2022 18:25 UTC](https://discourse.nodered.org/t/is-there-a-way-to-pass-variable-to-node-screenshot/58412 "2022-02-15T18:25:05Z")

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For example I want to take n webpages screenshot back to back. Is that possible through node-red?

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## [How can I get the minus summary of two measurements](https://discourse.nodered.org/t/how-can-i-get-the-minus-summary-of-two-measurements/58364)

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**Author:** [@Flixm](https://discourse.nodered.org/u/Flixm)\
**Replies:** 3\
**Last updated:** [15 February 2022 18:24 UTC](https://discourse.nodered.org/t/how-can-i-get-the-minus-summary-of-two-measurements/58364 "2022-02-15T18:24:21Z")

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Hi, I need some help how I can get a negativ summary of two measurements from a photovoltaic and the consumption. I have two different measurements 1st is the power consumption e.g. 400 watts and a second e.g. 700 watt…

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## [Build JSON out of variables](https://discourse.nodered.org/t/build-json-out-of-variables/58400)

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**Author:** [@wuast94](https://discourse.nodered.org/u/wuast94)\
**Replies:** 3\
**Last updated:** [15 February 2022 17:54 UTC](https://discourse.nodered.org/t/build-json-out-of-variables/58400 "2022-02-15T17:54:07Z")

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I try to build Dynamic Notifications, my payload have to look like this: { "extras": { "client::display": { "contentType": "text/markdown" }, "client::notification": { "click": {"ur…

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## [Tooltip: Editing front-end code in the browser and VScode](https://discourse.nodered.org/t/tooltip-editing-front-end-code-in-the-browser-and-vscode/58410)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 0\
**Last updated:** [15 February 2022 17:39 UTC](https://discourse.nodered.org/t/tooltip-editing-front-end-code-in-the-browser-and-vscode/58410 "2022-02-15T17:39:58Z")

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Just a quickie for something I discovered today. For those people using the Microsoft Edge browser and VScode. You can turn on an experimental feature that lets you edit code (css, & javascript) IN BROWSER AND in vscode…

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## [Have to recreate ewelink listener after every restart](https://discourse.nodered.org/t/have-to-recreate-ewelink-listener-after-every-restart/58338)

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**Author:** [@demokedes](https://discourse.nodered.org/u/demokedes)\
**Replies:** 4\
**Last updated:** [15 February 2022 17:08 UTC](https://discourse.nodered.org/t/have-to-recreate-ewelink-listener-after-every-restart/58338 "2022-02-15T17:08:33Z")

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Listener is not active after restart of the server. I am using ewelink listener a lot. I am receiving all changes from my smart switches in my house. Today I was doing several restarts of node-red and I realized, that …

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## [Question about Buffer Parser and Hex](https://discourse.nodered.org/t/question-about-buffer-parser-and-hex/58403)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 1\
**Last updated:** [15 February 2022 16:33 UTC](https://discourse.nodered.org/t/question-about-buffer-parser-and-hex/58403 "2022-02-15T16:33:05Z")

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Hi, I have a question about the offset "20": \[ { "id": "e4b93f8b54e1a48d", "type": "inject", "z": "4726af68.c62a98", "name": "", "props": \[ { "p":…

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## [Import Feature: Select All](https://discourse.nodered.org/t/import-feature-select-all/58402)

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**Author:** [@sniicker](https://discourse.nodered.org/u/sniicker)\
**Replies:** 0\
**Last updated:** [15 February 2022 15:24 UTC](https://discourse.nodered.org/t/import-feature-select-all/58402 "2022-02-15T15:24:14Z")

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Hi, Im using Import & Export Feature very often and it would be really nice if you "developer" guis could add a "select all" and "replace all" Button at the import dialoge. If possible - would be realy nice and help…

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## [Philips Hue eventstream and huemagic](https://discourse.nodered.org/t/philips-hue-eventstream-and-huemagic/58398)

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**Author:** [@luaksz050](https://discourse.nodered.org/u/luaksz050)\
**Replies:** 0\
**Last updated:** [15 February 2022 15:10 UTC](https://discourse.nodered.org/t/philips-hue-eventstream-and-huemagic/58398 "2022-02-15T15:10:58Z")

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Hi im new Node red user. I noticed that most of you are using node-red-contrib-huemagic to automate Hue, my question is does this use API version 2.0 ? I am talking mainly about a function added in the new api / eventst…

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## [Convert a buffer received via TCP](https://discourse.nodered.org/t/convert-a-buffer-received-via-tcp/58390)

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**Author:** [@ChristianLoacker](https://discourse.nodered.org/u/ChristianLoacker)\
**Replies:** 1\
**Last updated:** [15 February 2022 14:23 UTC](https://discourse.nodered.org/t/convert-a-buffer-received-via-tcp/58390 "2022-02-15T14:23:58Z")

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Hi there, I am quite new to Node-RED but very excited! Based on this forum I have been able to send a HEX command over TCP to my Husqvarna Automower - and received an answer as a buffer. So far so good. However - now I …

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## [Error with node-red-contrib-syslog-input 1.0.1](https://discourse.nodered.org/t/error-with-node-red-contrib-syslog-input-1-0-1/17967)

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**Author:** [@heyhogan](https://discourse.nodered.org/u/heyhogan)\
**Replies:** 1\
**Last updated:** [15 February 2022 13:56 UTC](https://discourse.nodered.org/t/error-with-node-red-contrib-syslog-input-1-0-1/17967 "2022-02-15T13:56:20Z")

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I have an application for this node but am running into some issues. I am successfully getting SYSLOG data to hit the input node, but the input node is not happy with the message. It is giving me this error: Invalid …

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## [MQTT switch on/off](https://discourse.nodered.org/t/mqtt-switch-on-off/58384)

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**Author:** [@Milanovic](https://discourse.nodered.org/u/Milanovic)\
**Replies:** 1\
**Last updated:** [15 February 2022 13:46 UTC](https://discourse.nodered.org/t/mqtt-switch-on-off/58384 "2022-02-15T13:46:55Z")

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Hi, I am reading some data out of the MQTT server, but now I want to switch a smart device with node-red. How can I do that? Which nodes do we need?

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## [Request - stop quick transition between tabs being treated as a tab double click](https://discourse.nodered.org/t/request-stop-quick-transition-between-tabs-being-treated-as-a-tab-double-click/58244)

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**Author:** [@carpii](https://discourse.nodered.org/u/carpii)\
**Replies:** 7\
**Last updated:** [15 February 2022 13:44 UTC](https://discourse.nodered.org/t/request-stop-quick-transition-between-tabs-being-treated-as-a-tab-double-click/58244 "2022-02-15T13:44:41Z")

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If you quickly click from tab A to tab B, Node-red treats it as if you have double-clicked on tab B, and brings up the 'edit flow' dialog. It should only do this if you have double clicked on the same tab, otherwise jus…

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## [Update home assist node-network does not work modbus tcp nodes](https://discourse.nodered.org/t/update-home-assist-node-network-does-not-work-modbus-tcp-nodes/58385)

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**Author:** [@Whastie](https://discourse.nodered.org/u/Whastie)\
**Replies:** 1\
**Last updated:** [15 February 2022 13:41 UTC](https://discourse.nodered.org/t/update-home-assist-node-network-does-not-work-modbus-tcp-nodes/58385 "2022-02-15T13:41:17Z")

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In the latest home assistant update, nodered has updated the modbus modules and there seems to be a problem and they have been disabled and I cannot reinstall or enable them. you can help us. thank you

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## [General understanding of the 'current state' node](https://discourse.nodered.org/t/general-understanding-of-the-current-state-node/58372)

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**Author:** [@TomDK](https://discourse.nodered.org/u/TomDK)\
**Replies:** 2\
**Last updated:** [15 February 2022 10:20 UTC](https://discourse.nodered.org/t/general-understanding-of-the-current-state-node/58372 "2022-02-15T10:20:58Z")

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I have a problem understanding the 'current state' node. Set to check if the light level of a sensor is equal or less than 100, and a state type set to boolean I get two outputs channels: 'if true' and 'if false'. I wou…

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## [Deleting flows.json e.g. exchange with another one](https://discourse.nodered.org/t/deleting-flows-json-e-g-exchange-with-another-one/57646)

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**Author:** [@Bannsaenger](https://discourse.nodered.org/u/Bannsaenger)\
**Replies:** 6\
**Last updated:** [15 February 2022 09:22 UTC](https://discourse.nodered.org/t/deleting-flows-json-e-g-exchange-with-another-one/57646 "2022-02-15T09:22:37Z")

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Hi, I'm running node-red (Version 1.3.7) along with iobroker (Adapter Version 2.4.1). I try to exchange the flows.json with another file which was prepared on another system. After every restart of the node-red the o…

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## [Has anyone manages to configure viber listener in chatbot node](https://discourse.nodered.org/t/has-anyone-manages-to-configure-viber-listener-in-chatbot-node/58369)

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**Author:** [@demokedes](https://discourse.nodered.org/u/demokedes)\
**Replies:** 0\
**Last updated:** [15 February 2022 08:32 UTC](https://discourse.nodered.org/t/has-anyone-manages-to-configure-viber-listener-in-chatbot-node/58369 "2022-02-15T08:32:01Z")

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Dear all, I find Chatbot very useful in theory. I installed it, I wanted to configure Viber listener, based on the instructions, but I got lost. Has anyone managed to configure it? Regards,

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## [Type already registered when updating](https://discourse.nodered.org/t/type-already-registered-when-updating/58347)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 6\
**Last updated:** [15 February 2022 08:08 UTC](https://discourse.nodered.org/t/type-already-registered-when-updating/58347 "2022-02-15T08:08:47Z")

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I am trying to update node-red-contrib-alexa-remote2-applestrudel, but it shows "Type already registered" in the palette. I believe the reason is related to a conflict with node-red-contrib-alexa-remote2, which I cannot…

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