# Latest

**URL:** https://discourse.nodered.org/latest.md?page=700

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

**Page:** 701

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## [Message debug function node](https://discourse.nodered.org/t/message-debug-function-node/53261)

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**Author:** [@ozpos](https://discourse.nodered.org/u/ozpos)\
**Replies:** 6\
**Last updated:** [6 November 2021 09:36 UTC](https://discourse.nodered.org/t/message-debug-function-node/53261 "2021-11-06T09:36:13Z")

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Hi All, I got into a spot of bother with message timing and fatal lock up so I created this function node to pause, skip, play next, play last, dump and run any message with a topic. Messages are saved to context varia…

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## [Respond to keyboard events in config screen](https://discourse.nodered.org/t/respond-to-keyboard-events-in-config-screen/53284)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 1\
**Last updated:** [6 November 2021 08:46 UTC](https://discourse.nodered.org/t/respond-to-keyboard-events-in-config-screen/53284 "2021-11-06T08:46:00Z")

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Hi folks, I have an SVG in the config screen of a new node, and when spending my time in that SVG I need to be able to respond to keyboard events. Since an SVG element is no input-type, I need to add an tabindex="0" …

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## [Download NR documentation](https://discourse.nodered.org/t/download-nr-documentation/53282)

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**Author:** [@SirPrice](https://discourse.nodered.org/u/SirPrice)\
**Replies:** 1\
**Last updated:** [6 November 2021 08:42 UTC](https://discourse.nodered.org/t/download-nr-documentation/53282 "2021-11-06T08:42:55Z")

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Where can I download PDF documentation regarding installing/working/cbuilding flows with NR, to not require to be on line and use the HTML available?

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## [Tensorflow Custom Model](https://discourse.nodered.org/t/tensorflow-custom-model/53280)

<div class="topic-metadata">

**Author:** [@subwayfootlong](https://discourse.nodered.org/u/subwayfootlong)\
**Replies:** 0\
**Last updated:** [6 November 2021 04:52 UTC](https://discourse.nodered.org/t/tensorflow-custom-model/53280 "2021-11-06T04:52:53Z")

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Hello all, I would like to load a custom model for my flow to detect a new item currently not supported by the node-red-contrib-tensorflow pallet. How would I go about this? Any and all information will help, I'm pret…

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## [Multiple Paths with Sleeps](https://discourse.nodered.org/t/multiple-paths-with-sleeps/53241)

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**Author:** [@stu1811](https://discourse.nodered.org/u/stu1811)\
**Replies:** 3\
**Last updated:** [6 November 2021 00:58 UTC](https://discourse.nodered.org/t/multiple-paths-with-sleeps/53241 "2021-11-06T00:58:52Z")

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I'm trying to control 3x RGB bulbs and have them cycle through two colors (Red and Green). Often only one of the bulbs change colors and the other two remain constant with their first color. The path circled in red conti…

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## [Counts the data](https://discourse.nodered.org/t/counts-the-data/53237)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 1\
**Last updated:** [6 November 2021 00:06 UTC](https://discourse.nodered.org/t/counts-the-data/53237 "2021-11-06T00:06:40Z")

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Hello! I am using node-red-contrib-fs to read files from a folder. There is the possibility that he counts the data and then writes it into a value (msg.count) e.g. 1 of 10, 2 of 10, 3 of 10 and so on.

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## [How do I set up a Class Template for a group of UI Text nodes?](https://discourse.nodered.org/t/how-do-i-set-up-a-class-template-for-a-group-of-ui-text-nodes/53274)

<div class="topic-metadata">

**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 2\
**Last updated:** [5 November 2021 21:50 UTC](https://discourse.nodered.org/t/how-do-i-set-up-a-class-template-for-a-group-of-ui-text-nodes/53274 "2021-11-05T21:50:13Z")

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Hi guys1 I have the following template which can set a particular ui-text node's font by using its ID: \[ { "id": "1354ad7a373cff3a", "type": "ui\_template", "z": "68e5c71acc43e814", "…

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## [Can't run NodeJS instance from Node-Red using exec](https://discourse.nodered.org/t/cant-run-nodejs-instance-from-node-red-using-exec/53270)

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**Author:** [@southsummit](https://discourse.nodered.org/u/southsummit)\
**Replies:** 7\
**Last updated:** [5 November 2021 19:33 UTC](https://discourse.nodered.org/t/cant-run-nodejs-instance-from-node-red-using-exec/53270 "2021-11-05T19:33:41Z")

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I'm new to Node-Red and just getting acquainted. I'm able to use the 'exec' node to run and log some system commands (eg "ls", "ps", whoami"). These work. Then I tried launching NodeJS to capture the output of a JavaSc…

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## [Node-red-node-sqlite npm install node-gyp problem](https://discourse.nodered.org/t/node-red-node-sqlite-npm-install-node-gyp-problem/52716)

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**Author:** [@Josari](https://discourse.nodered.org/u/Josari)\
**Replies:** 17\
**Last updated:** [5 November 2021 17:03 UTC](https://discourse.nodered.org/t/node-red-node-sqlite-npm-install-node-gyp-problem/52716 "2021-11-05T17:03:22Z")

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Hi all, I am currently working with node-red on a raspberry pi 3B+. The problem begins when I try to install node-red-node-sqlite node. This happens when I try to install the nodes from node-red pallete or when I execut…

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## [Node-red-node-ping always return false](https://discourse.nodered.org/t/node-red-node-ping-always-return-false/53165)

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**Author:** [@RainerGa](https://discourse.nodered.org/u/RainerGa)\
**Replies:** 25\
**Last updated:** [5 November 2021 16:43 UTC](https://discourse.nodered.org/t/node-red-node-ping-always-return-false/53165 "2021-11-05T16:43:22Z")

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Hello, I am new to node-red. And new to this forum too! In the links please replace "-" with "." :slight\_smile: For learning purposes I want to try ping a target and show the result on an dashboard :slight\_smile: I us…

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## [How to get remote image size before download](https://discourse.nodered.org/t/how-to-get-remote-image-size-before-download/53257)

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**Author:** [@pcborges](https://discourse.nodered.org/u/pcborges)\
**Replies:** 4\
**Last updated:** [5 November 2021 15:42 UTC](https://discourse.nodered.org/t/how-to-get-remote-image-size-before-download/53257 "2021-11-05T15:42:11Z")

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I would like to be able to check image size before download. I am trying the HTTP Request node with Method HEAD but some remote servers do not return image size. Is there other way? Thanks

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## [Curl translate to httprequest](https://discourse.nodered.org/t/curl-translate-to-httprequest/53213)

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**Author:** [@ketpa](https://discourse.nodered.org/u/ketpa)\
**Replies:** 5\
**Last updated:** [5 November 2021 14:42 UTC](https://discourse.nodered.org/t/curl-translate-to-httprequest/53213 "2021-11-05T14:42:40Z")

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I have curl curl -H "Authorization: Bearer token\_api\_oauth" \\ "https://api.smsapi.pl/sms.do?\\ from=pole\_nadawcy&\\ to=48500000000&\\ message=treść\_wiadomości&\\ format=json" and try in node-red function httprequest…

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## [Auto inject at deploy](https://discourse.nodered.org/t/auto-inject-at-deploy/53157)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 6\
**Last updated:** [5 November 2021 14:01 UTC](https://discourse.nodered.org/t/auto-inject-at-deploy/53157 "2021-11-05T14:01:35Z")

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I'm playing around with q-gate node and I need it to be open at the start of my testing and sometimes it gets stuck in queued state So I added an inject node to send the message to open it and I just used to press butto…

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## [How to Stop a Flow During a Lighting Loop?](https://discourse.nodered.org/t/how-to-stop-a-flow-during-a-lighting-loop/53236)

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**Author:** [@tagwort](https://discourse.nodered.org/u/tagwort)\
**Replies:** 1\
**Last updated:** [5 November 2021 13:50 UTC](https://discourse.nodered.org/t/how-to-stop-a-flow-during-a-lighting-loop/53236 "2021-11-05T13:50:42Z")

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Not a programmer, so apologies that I'm likely using incorrect terminology to ask. My favorite new node red automation uses a Home Assistant helper to trigger whenever a color scheme is selected. It then checks to see if…

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## [Change the fill color of a svg element in ui-svg node when you click on it](https://discourse.nodered.org/t/change-the-fill-color-of-a-svg-element-in-ui-svg-node-when-you-click-on-it/53187)

<div class="topic-metadata">

**Author:** [@NoviceUser](https://discourse.nodered.org/u/NoviceUser)\
**Replies:** 6\
**Last updated:** [5 November 2021 13:02 UTC](https://discourse.nodered.org/t/change-the-fill-color-of-a-svg-element-in-ui-svg-node-when-you-click-on-it/53187 "2021-11-05T13:02:45Z")

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Hello, I am new to node-red and was having trouble using the node called node-red-contrib-ui-svg, I have created three buttons when pressed I would like to change to green, indicating it's on and then if it's pressed ag…

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## [LDAP Basics to start with](https://discourse.nodered.org/t/ldap-basics-to-start-with/52742)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 21\
**Last updated:** [5 November 2021 12:23 UTC](https://discourse.nodered.org/t/ldap-basics-to-start-with/52742 "2021-11-05T12:23:44Z")

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Hello, now i have time to experiment with ldap but i think i need a little help from somebody who has done that before. My first Problem is to authenticate a user. i used following nodes : node-red-contrib-ldap-login…

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## [Select / EXTRACT query](https://discourse.nodered.org/t/select-extract-query/53218)

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**Author:** [@jules](https://discourse.nodered.org/u/jules)\
**Replies:** 5\
**Last updated:** [5 November 2021 12:09 UTC](https://discourse.nodered.org/t/select-extract-query/53218 "2021-11-05T12:09:43Z")

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Hello, I save my gas meter "gasmeter" readings together with time and date "time" to my MariaDB "gas". With the following query code: Select EXTRACT(DAY FROM time), MAX(gasmeter)-MIN(gasmeter) AS "gasmeter" Fr…

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## ["Failed to install Node.js - Exit" on CentOS 7.9](https://discourse.nodered.org/t/failed-to-install-node-js-exit-on-centos-7-9/53255)

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**Author:** [@janedoe123](https://discourse.nodered.org/u/janedoe123)\
**Replies:** 4\
**Last updated:** [5 November 2021 10:27 UTC](https://discourse.nodered.org/t/failed-to-install-node-js-exit-on-centos-7-9/53255 "2021-11-05T10:27:37Z")

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Hi All, Till last week, I had no issue installing Node-RED v2.1.3 on CentOS 7.9 However, since today, I am getting the below issue: Dependencies Resolved ==============================================================…

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## [Modifying object variable name](https://discourse.nodered.org/t/modifying-object-variable-name/9042)

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**Author:** [@tzeeth](https://discourse.nodered.org/u/tzeeth)\
**Replies:** 5\
**Last updated:** [5 November 2021 10:19 UTC](https://discourse.nodered.org/t/modifying-object-variable-name/9042 "2021-11-05T10:19:49Z")

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Hi! I am having some trouble with this simple task: I have a msg.payload like this: "response": "221321312" And I want to be able to change it for "WhateverIWant":"221321312" . I have tried with change and switch bu…

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## [Git SSH-Key based authentication failes, if username contains "AT" character](https://discourse.nodered.org/t/git-ssh-key-based-authentication-failes-if-username-contains-at-character/53224)

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**Author:** [@crackytsi](https://discourse.nodered.org/u/crackytsi)\
**Replies:** 2\
**Last updated:** [5 November 2021 07:12 UTC](https://discourse.nodered.org/t/git-ssh-key-based-authentication-failes-if-username-contains-at-character/53224 "2021-11-05T07:12:39Z")

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I have a header based authentication and the username contains the "@" character. After doing several debugging, it seems that the "@" char is the reason, which is used as name in the keyfile. It seems, that the key fi…

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## [Disconnected from broker /connected to broker](https://discourse.nodered.org/t/disconnected-from-broker-connected-to-broker/53234)

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**Author:** [@CamiloGaviria0](https://discourse.nodered.org/u/CamiloGaviria0)\
**Replies:** 2\
**Last updated:** [4 November 2021 21:45 UTC](https://discourse.nodered.org/t/disconnected-from-broker-connected-to-broker/53234 "2021-11-04T21:45:44Z")

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Hello to all I currently have an incident that I have not been able to resolve and also I do not have much experience. I have noticed that all my mqtt in , disconnect in a very continuous way and take a few seconds to …

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## [Triggering output when a number changes by x within y time period](https://discourse.nodered.org/t/triggering-output-when-a-number-changes-by-x-within-y-time-period/53223)

<div class="topic-metadata">

**Author:** [@iderdik](https://discourse.nodered.org/u/iderdik)\
**Replies:** 7\
**Last updated:** [4 November 2021 21:44 UTC](https://discourse.nodered.org/t/triggering-output-when-a-number-changes-by-x-within-y-time-period/53223 "2021-11-04T21:44:36Z")

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I'm looking to turn on a fan when humidity rises 10% with a 5 minute time period. The humidity sensor might report the rise over multiple reports so I can't just compare it to the last change. Any ideas on how to accompl…

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## [Same colour gradient in gauge node](https://discourse.nodered.org/t/same-colour-gradient-in-gauge-node/53183)

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**Author:** [@NicoloToscani](https://discourse.nodered.org/u/NicoloToscani)\
**Replies:** 3\
**Last updated:** [4 November 2021 19:49 UTC](https://discourse.nodered.org/t/same-colour-gradient-in-gauge-node/53183 "2021-11-04T19:49:46Z")

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Hi, often I need to set the three Colour Gradient colors with the same value. Is there a feature that once selected the first color sets other two colors?

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## [Swapping order value and label in text nodes?](https://discourse.nodered.org/t/swapping-order-value-and-label-in-text-nodes/53200)

<div class="topic-metadata">

**Author:** [@Matt.L](https://discourse.nodered.org/u/Matt.L)\
**Replies:** 4\
**Last updated:** [4 November 2021 19:36 UTC](https://discourse.nodered.org/t/swapping-order-value-and-label-in-text-nodes/53200 "2021-11-04T19:36:52Z")

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Basically I want to display a value and follow it with a unit type. The text node almost gives me what I want if I use the label for the units. But I can't change the order of the label and value so it looks weird. Is t…

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## [Dashboard: set group visibility hidden on connect](https://discourse.nodered.org/t/dashboard-set-group-visibility-hidden-on-connect/52943)

<div class="topic-metadata">

**Author:** [@jsail](https://discourse.nodered.org/u/jsail)\
**Replies:** 4\
**Last updated:** [4 November 2021 19:34 UTC](https://discourse.nodered.org/t/dashboard-set-group-visibility-hidden-on-connect/52943 "2021-11-04T19:34:47Z")

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I use a single Tab with 3 groups (login, view and control) on my dashboard. When somebody opens the dashboard first time all groups are visible. But the 'control' should be hidden. Only after inserting the password in th…

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## [How can i use hafas-client from github in node-red](https://discourse.nodered.org/t/how-can-i-use-hafas-client-from-github-in-node-red/53226)

<div class="topic-metadata">

**Author:** [@ie404](https://discourse.nodered.org/u/ie404)\
**Replies:** 0\
**Last updated:** [4 November 2021 18:27 UTC](https://discourse.nodered.org/t/how-can-i-use-hafas-client-from-github-in-node-red/53226 "2021-11-04T18:27:35Z")

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Hi there, i like to use hafas client (hafas-client/p/db at master · public-transport/hafas-client · GitHub) in node red, to get me some infos on train departure times. Any hints how to do that for a nove/intermediate U…

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## [How can I fix elements in the dashboard?](https://discourse.nodered.org/t/how-can-i-fix-elements-in-the-dashboard/53067)

<div class="topic-metadata">

**Author:** [@\_R\_A\_L\_F](https://discourse.nodered.org/u/_R_A_L_F)\
**Replies:** 8\
**Last updated:** [4 November 2021 17:09 UTC](https://discourse.nodered.org/t/how-can-i-fix-elements-in-the-dashboard/53067 "2021-11-04T17:09:36Z")

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Hi, I have the problem that I have not found a way so far the individual dashboard elements such as button, guage, etc.. To fix them in the group? The problem is, as soon as I add an additional button, it is place…

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## [Worldmap spamming bounds since v2.18](https://discourse.nodered.org/t/worldmap-spamming-bounds-since-v2-18/52779)

<div class="topic-metadata">

**Author:** [@Razio](https://discourse.nodered.org/u/Razio)\
**Replies:** 6\
**Last updated:** [4 November 2021 16:50 UTC](https://discourse.nodered.org/t/worldmap-spamming-bounds-since-v2-18/52779 "2021-11-04T16:50:25Z")

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Hi, Since v2.18 of worldmap. the 'worldmap in' node is spamming action:"bounds" messages from the moment there is a connection with worldmap. This causes my flows to cease working. Do I have to alter something since ver…

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## [How to update node-red-contrib-powershell](https://discourse.nodered.org/t/how-to-update-node-red-contrib-powershell/53214)

<div class="topic-metadata">

**Author:** [@RainerGa](https://discourse.nodered.org/u/RainerGa)\
**Replies:** 6\
**Last updated:** [4 November 2021 16:23 UTC](https://discourse.nodered.org/t/how-to-update-node-red-contrib-powershell/53214 "2021-11-04T16:23:31Z")

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Hello, again I spend over 2 hours to debugging. The Package "node-red-contrib-powershell" has a bug. The msg.payload will not correct returned. In github the error is corrected, see: node-red-contrib-powershell/powers…

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## [MQTT nodes vs. in-flow processing](https://discourse.nodered.org/t/mqtt-nodes-vs-in-flow-processing/53193)

<div class="topic-metadata">

**Author:** [@Sineos](https://discourse.nodered.org/u/Sineos)\
**Replies:** 3\
**Last updated:** [4 November 2021 15:39 UTC](https://discourse.nodered.org/t/mqtt-nodes-vs-in-flow-processing/53193 "2021-11-04T15:39:25Z")

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I'm doing a lot of MQTT message processing (central broker instance) and I'm wondering, what the more efficient approach would be: A lot of MQTT in / out nodes caring for very strict topics Doing all topic filtering / …

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