# Latest

**URL:** https://discourse.nodered.org/latest.md?page=328

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

**Page:** 329

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## [Imported unrecognized types](https://discourse.nodered.org/t/imported-unrecognized-types/79515)

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**Author:** [@threehappypenguins](https://discourse.nodered.org/u/threehappypenguins)\
**Replies:** 4\
**Last updated:** [1 July 2023 08:35 UTC](https://discourse.nodered.org/t/imported-unrecognized-types/79515 "2023-07-01T08:35:23Z")

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I am a total noob to Node-Red (and node in general), so forgive me if the issue is obvious. I own an Obi 202 ATA that has SIP credentials for my home phone. I need to record all calls (legal here in Canada). I found this…

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## [Restarting single flow does not work, restarts the whole instance](https://discourse.nodered.org/t/restarting-single-flow-does-not-work-restarts-the-whole-instance/79487)

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**Author:** [@milkbaconleopardveal](https://discourse.nodered.org/u/milkbaconleopardveal)\
**Replies:** 3\
**Last updated:** [1 July 2023 08:24 UTC](https://discourse.nodered.org/t/restarting-single-flow-does-not-work-restarts-the-whole-instance/79487 "2023-07-01T08:24:06Z")

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Hello there, I am running Node-RED 3.0.2 in a dockerized environment on Ubuntu 20.04 and I am using the API to restart the flows, only to discover that by calling the API from the istance itself it restarts the whole in…

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## [JSONata $filter](https://discourse.nodered.org/t/jsonata-filter/79494)

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**Author:** [@Quesnt](https://discourse.nodered.org/u/Quesnt)\
**Replies:** 1\
**Last updated:** [30 June 2023 06:22 UTC](https://discourse.nodered.org/t/jsonata-filter/79494 "2023-06-30T06:22:22Z")

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I posted here about a merge expression I was attempting to get working and received an answer. However, I notice that the match expression includes all records for Obj1 regardless of whether there is a matching key or no…

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## [Gpio(d) - gpiomon - possible speed problem](https://discourse.nodered.org/t/gpio-d-gpiomon-possible-speed-problem/79464)

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**Author:** [@habakuk25](https://discourse.nodered.org/u/habakuk25)\
**Replies:** 1\
**Last updated:** [30 June 2023 21:35 UTC](https://discourse.nodered.org/t/gpio-d-gpiomon-possible-speed-problem/79464 "2023-06-30T21:35:48Z")

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Hi everybody! I am trying to capture a digital signal (hall-signal) with an maximum Freqency of 160Hz (tik every 6ms) over a gpio of an android C4 . It is a speed signal from a classic tachometer of a car. I am gather…

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## [Back to sending message sequences from a \`function\` node](https://discourse.nodered.org/t/back-to-sending-message-sequences-from-a-function-node/79484)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [30 June 2023 21:19 UTC](https://discourse.nodered.org/t/back-to-sending-message-sequences-from-a-function-node/79484 "2023-06-30T21:19:24Z")

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I have been here before but this is a new twist on the message. This is the code as I have it working. But it sends RGB messages to RGB-LEDs. if (msg.delay\_time == undefined) msg.delay\_time = 400; var delay\_time =…

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## [Problem with "get started" bash command on "fresh" Raspian on Raspi3, while two Raspi2 work](https://discourse.nodered.org/t/problem-with-get-started-bash-command-on-fresh-raspian-on-raspi3-while-two-raspi2-work/79407)

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**Author:** [@Ekki\_b](https://discourse.nodered.org/u/Ekki_b)\
**Replies:** 19\
**Last updated:** [30 June 2023 20:30 UTC](https://discourse.nodered.org/t/problem-with-get-started-bash-command-on-fresh-raspian-on-raspi3-while-two-raspi2-work/79407 "2023-06-30T20:30:32Z")

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After issues with the SD cards on the running Raspis I decided to change the SD-cards and put the newest Raspian on the Raspis. This worked for two Raspi 2, but failed repeatedly for a Raspi 3 Model B Vi.2. The bash co…

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## [ERROR WebSocket connection to 'ws://localhost:3001/red/comms' failed:](https://discourse.nodered.org/t/error-websocket-connection-to-ws-localhost-3001-red-comms-failed/79507)

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**Author:** [@ax2382](https://discourse.nodered.org/u/ax2382)\
**Replies:** 2\
**Last updated:** [30 June 2023 17:55 UTC](https://discourse.nodered.org/t/error-websocket-connection-to-ws-localhost-3001-red-comms-failed/79507 "2023-06-30T17:55:19Z")

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I have just embedded node-red in a Node.js web app with all default settings and I am getting this web browser error: ERROR WebSocket connection to 'ws://localhost:3001/red/comms' failed Clearly, I have not created an …

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## [FlexDash : edit container node](https://discourse.nodered.org/t/flexdash-edit-container-node/79488)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 3\
**Last updated:** [30 June 2023 14:59 UTC](https://discourse.nodered.org/t/flexdash-edit-container-node/79488 "2023-06-30T14:59:34Z")

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@tve I resume the following: 27 Jun 12:49:08 - \[info\] Node-RED FlexDash plugin version 0.4.154 27 Jun 12:49:09 - \[info\] Node-RED FlexDash version 0.4.154 27 Jun 12:49:09 - \[info\] Node-RED FD Core Widgets version 0.4.6…

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## [Install from my dropbox backup?](https://discourse.nodered.org/t/install-from-my-dropbox-backup/79502)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 0\
**Last updated:** [30 June 2023 09:24 UTC](https://discourse.nodered.org/t/install-from-my-dropbox-backup/79502 "2023-06-30T09:24:13Z")

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I managed to do something I shouldnt have done I think, was trying to update my node red, and now I have a clean window on my start up page. I use the dropbox backup, so I have the backup from this morning: But I am not …

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## [UI\_Builder and FlowForge-Device-Agent](https://discourse.nodered.org/t/ui-builder-and-flowforge-device-agent/79373)

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**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 11\
**Last updated:** [29 June 2023 23:14 UTC](https://discourse.nodered.org/t/ui-builder-and-flowforge-device-agent/79373 "2023-06-29T23:14:45Z")

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I've been using UI\_Builder and a certain problem is causing me a certain amount of trouble. The plugin works well although I still don't know all the features it is very good. But my application: It is distributed in s…

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## [Node-RED vs LabVIEW (DAQ solutions)](https://discourse.nodered.org/t/node-red-vs-labview-daq-solutions/79395)

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**Author:** [@kansaandre](https://discourse.nodered.org/u/kansaandre)\
**Replies:** 8\
**Last updated:** [29 June 2023 21:49 UTC](https://discourse.nodered.org/t/node-red-vs-labview-daq-solutions/79395 "2023-06-29T21:49:56Z")

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Hi! I just want to hear your guys opinion on Node-RED increasing precence in the DAQ community and its ability to challenge traditional softwares as LabVIEW. I believe that when the new features as testing and breakpoi…

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## [userDir configuration](https://discourse.nodered.org/t/userdir-configuration/79491)

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**Author:** [@ax2382](https://discourse.nodered.org/u/ax2382)\
**Replies:** 7\
**Last updated:** [29 June 2023 21:39 UTC](https://discourse.nodered.org/t/userdir-configuration/79491 "2023-06-29T21:39:02Z")

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Hello, I'm a newbie to node-red and am unable to figure out the proper configuration value for userDir. I looked at the User Guide but still, where am I supposed to create the directory for the user nol? I see a new fo…

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## [How to use Node-Red to check if a program has started?](https://discourse.nodered.org/t/how-to-use-node-red-to-check-if-a-program-has-started/79439)

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**Author:** [@LuckyMooon](https://discourse.nodered.org/u/LuckyMooon)\
**Replies:** 25\
**Last updated:** [29 June 2023 18:57 UTC](https://discourse.nodered.org/t/how-to-use-node-red-to-check-if-a-program-has-started/79439 "2023-06-29T18:57:05Z")

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I would like to use Node-Red to send MQTT messages from my PC when a program is started or closed. For example, if I open Discord, my PC should inform my smart home via Mqtt. I've already researched but found nothing, i…

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## [Fixed x-axis range](https://discourse.nodered.org/t/fixed-x-axis-range/79466)

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**Author:** [@Woyzeck](https://discourse.nodered.org/u/Woyzeck)\
**Replies:** 7\
**Last updated:** [29 June 2023 12:28 UTC](https://discourse.nodered.org/t/fixed-x-axis-range/79466 "2023-06-29T12:28:17Z")

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tl;dr How to create a line chart with a fixed x-axis range covering 24 hours. /tl;dr Hi, I'm trying to show the data obtained from several sensors in two line charts. One sensor group is related to input, the other …

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## [How to resolve the isssue for Error: spawn npm ENOENT](https://discourse.nodered.org/t/how-to-resolve-the-isssue-for-error-spawn-npm-enoent/79483)

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**Author:** [@GAOJY11](https://discourse.nodered.org/u/GAOJY11)\
**Replies:** 1\
**Last updated:** [29 June 2023 10:28 UTC](https://discourse.nodered.org/t/how-to-resolve-the-isssue-for-error-spawn-npm-enoent/79483 "2023-06-29T10:28:04Z")

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2023-06-29T10:22:46.695Z Install : ttb-node-red-counter 0.1.0 2023-06-29T10:22:47.711Z npm install --no-audit --no-update-notifier --no-fund --save --save-prefix=~ --production --engine-strict ttb-node-red-counter@0.1.…

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## [Send on click, on ui table](https://discourse.nodered.org/t/send-on-click-on-ui-table/79480)

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**Author:** [@Marchal-web](https://discourse.nodered.org/u/Marchal-web)\
**Replies:** 0\
**Last updated:** [29 June 2023 08:04 UTC](https://discourse.nodered.org/t/send-on-click-on-ui-table/79480 "2023-06-29T08:04:49Z")

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Hello, I'm experiencing a strange behaviour with the ui table, I set the 'send on click' option of my ui table. It works well with a mouse, but if I use the touch screen and click on a row, it doesn't work. Have you ex…

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## [How to generate the PDF from Node-Red](https://discourse.nodered.org/t/how-to-generate-the-pdf-from-node-red/79469)

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**Author:** [@ksthar](https://discourse.nodered.org/u/ksthar)\
**Replies:** 6\
**Last updated:** [29 June 2023 05:55 UTC](https://discourse.nodered.org/t/how-to-generate-the-pdf-from-node-red/79469 "2023-06-29T05:55:42Z")

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Hello, I want to ask something about generating the PDF using node-red. The PDF I want to generate is the water meter bill as shown in the photo. How can I generate something like that? I already keep the meter re…

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## [Help about this problem](https://discourse.nodered.org/t/help-about-this-problem/79475)

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**Author:** [@miki89](https://discourse.nodered.org/u/miki89)\
**Replies:** 2\
**Last updated:** [29 June 2023 06:25 UTC](https://discourse.nodered.org/t/help-about-this-problem/79475 "2023-06-29T06:25:58Z")

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hello i am trying to test these nodes but i get this error Node-RED version: v3.0.2 \] Node.js version: v18.16.1 \[info\] Windows\_NT 10.0.19045 x64 LE thanks MIGUE

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## [Repeated SVG Events](https://discourse.nodered.org/t/repeated-svg-events/79460)

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**Author:** [@kitkat159](https://discourse.nodered.org/u/kitkat159)\
**Replies:** 2\
**Last updated:** [29 June 2023 05:37 UTC](https://discourse.nodered.org/t/repeated-svg-events/79460 "2023-06-29T05:37:54Z")

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Hello there, I have the following issue. I made a dashboard with a clickable SVG using node-red-contrib-ui-svg. On a click-event, I want to display a pop-up using the ui\_toast node. Here's a simplified flow from my ap…

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## [Get some status from my MQTT broker at startup](https://discourse.nodered.org/t/get-some-status-from-my-mqtt-broker-at-startup/79236)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 11\
**Last updated:** [29 June 2023 05:36 UTC](https://discourse.nodered.org/t/get-some-status-from-my-mqtt-broker-at-startup/79236 "2023-06-29T05:36:48Z")

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Hi folks, An MQTT noob speaking here... I have some Shellies that send a message to an MQTT topic, every time their relay status changes. Via an MQTT-In node I receive that status, so I can e.g. change the color of a …

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## [How can update the dashboard version?](https://discourse.nodered.org/t/how-can-update-the-dashboard-version/79476)

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**Author:** [@miki89](https://discourse.nodered.org/u/miki89)\
**Replies:** 1\
**Last updated:** [29 June 2023 05:24 UTC](https://discourse.nodered.org/t/how-can-update-the-dashboard-version/79476 "2023-06-29T05:24:12Z")

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help me STEP by STEP I am a new user to node -red tks

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## [Log in dashboard](https://discourse.nodered.org/t/log-in-dashboard/79447)

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**Author:** [@Mafi](https://discourse.nodered.org/u/Mafi)\
**Replies:** 4\
**Last updated:** [29 June 2023 03:41 UTC](https://discourse.nodered.org/t/log-in-dashboard/79447 "2023-06-29T03:41:30Z")

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Hi everyone, Does anyone know how I could log in to the dashboard? For example, when I enter the dashboard, the username and password or add user option appears and the tabs or submenus are disabled until I enter the cor…

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## [(sorry) material-icon icons. How to use them?](https://discourse.nodered.org/t/sorry-material-icon-icons-how-to-use-them/79455)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [29 June 2023 02:08 UTC](https://discourse.nodered.org/t/sorry-material-icon-icons-how-to-use-them/79455 "2023-06-29T02:08:19Z")

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Yes, I have asked in the past and it was answered. I've read the replies but they are not .... compatible (?) with the structure that works now I want to make a new button. Existing code: \<div id="GButtonM\_TWK"\> \<…

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## [Can we use node red to monitor 350 energy meter](https://discourse.nodered.org/t/can-we-use-node-red-to-monitor-350-energy-meter/79472)

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**Author:** [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Replies:** 3\
**Last updated:** [29 June 2023 01:28 UTC](https://discourse.nodered.org/t/can-we-use-node-red-to-monitor-350-energy-meter/79472 "2023-06-29T01:28:47Z")

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Can we use node red to monitor and log data of 350 energy meter. One energy meter give 10 data it means total 3500 tag to read and log. Is it possible to do this EMS project with node red.

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## [Moving from DarkSky.io](https://discourse.nodered.org/t/moving-from-darksky-io/79221)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 38\
**Last updated:** [29 June 2023 00:53 UTC](https://discourse.nodered.org/t/moving-from-darksky-io/79221 "2023-06-29T00:53:40Z")

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I have been using darksky.io weather service for many years, until it was purchased by Apple and now they stopped the free API service. Could you recommend a different service that I can call with a simple HTTP request …

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## [Help with heap out of memory](https://discourse.nodered.org/t/help-with-heap-out-of-memory/79097)

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**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 10\
**Last updated:** [28 June 2023 17:58 UTC](https://discourse.nodered.org/t/help-with-heap-out-of-memory/79097 "2023-06-28T17:58:11Z")

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Hi All, We have numerous flows in the system. Periodically we see some flow executions failing with below error message. My challenge : How do i understand from below which node is the one creating problem ? So that i…

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## [TypeError: server.on is not a function](https://discourse.nodered.org/t/typeerror-server-on-is-not-a-function/79449)

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**Author:** [@ax2382](https://discourse.nodered.org/u/ax2382)\
**Replies:** 3\
**Last updated:** [28 June 2023 17:16 UTC](https://discourse.nodered.org/t/typeerror-server-on-is-not-a-function/79449 "2023-06-28T17:16:17Z")

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Hello, node-heads :slight\_smile: I'm installing node-red in a nest.js app and I'm getting the following error when running/starting the server. I have no clue how to fix this issue and documentation for nest.js apps is q…

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## [Using node red as a read/write api](https://discourse.nodered.org/t/using-node-red-as-a-read-write-api/79467)

<div class="topic-metadata">

**Author:** [@steven\_191](https://discourse.nodered.org/u/steven_191)\
**Replies:** 1\
**Last updated:** [28 June 2023 16:34 UTC](https://discourse.nodered.org/t/using-node-red-as-a-read-write-api/79467 "2023-06-28T16:34:34Z")

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I have a remote device that has an option to write data to an http server. I assume this means api requests as I know them. I did a bit of googling but I think I may not be phrasing it correctly because I keep coming ba…

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## [Dynamic node invocation](https://discourse.nodered.org/t/dynamic-node-invocation/79458)

<div class="topic-metadata">

**Author:** [@andreea-anastasescu](https://discourse.nodered.org/u/andreea-anastasescu)\
**Replies:** 5\
**Last updated:** [28 June 2023 16:13 UTC](https://discourse.nodered.org/t/dynamic-node-invocation/79458 "2023-06-28T16:13:40Z")

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Is it possible to create a custom node, that based on some input to invoke dynamically other nodes in Nodered?

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## [HTTPS ui node red](https://discourse.nodered.org/t/https-ui-node-red/79208)

<div class="topic-metadata">

**Author:** [@Davi](https://discourse.nodered.org/u/Davi)\
**Replies:** 1\
**Last updated:** [15 June 2023 04:21 UTC](https://discourse.nodered.org/t/https-ui-node-red/79208 "2023-06-15T04:21:31Z")

</div>

I'm hosting the node red UI on a website for viewing, but I need it to run HTTPS. Does anyone know how to proceed?

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