# Latest

**URL:** https://discourse.nodered.org/latest.md?page=569

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

**Page:** 570

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## [Switch Nodes,, MQTT and Strings](https://discourse.nodered.org/t/switch-nodes-mqtt-and-strings/62666)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 1\
**Last updated:** [16 May 2022 06:52 UTC](https://discourse.nodered.org/t/switch-nodes-mqtt-and-strings/62666 "2022-05-16T06:52:22Z")

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Guys, I have an MQTT message coming in that contains temperature information - this is being sent across from Home Assistant to me. It is showing in the debug window as a String of 4 characters (e.g. 23.4) and hence do…

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## [Populate Data from Database into UI Dropdown](https://discourse.nodered.org/t/populate-data-from-database-into-ui-dropdown/62647)

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**Author:** [@devittobk](https://discourse.nodered.org/u/devittobk)\
**Replies:** 4\
**Last updated:** [16 May 2022 06:34 UTC](https://discourse.nodered.org/t/populate-data-from-database-into-ui-dropdown/62647 "2022-05-16T06:34:58Z")

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Hello! I am just getting started with Node-RED and Node-RED Dashboard and wondering whether it is possible to populate the UI Dropdown with data retrieved from Google Firebase. Below is my very simple flow using just a…

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## [Can node-red generate a webserver](https://discourse.nodered.org/t/can-node-red-generate-a-webserver/62560)

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**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 9\
**Last updated:** [16 May 2022 06:04 UTC](https://discourse.nodered.org/t/can-node-red-generate-a-webserver/62560 "2022-05-16T06:04:31Z")

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Sorry if the topic is misleading. I dont know how to formulate it correct. My idea: I have a raspy with a Sim in it. I know how to create a local dashboard with node-red I want to read a temerpature and if the temperat…

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## [Problem with reading Change\_State\_Time with node-red-contrib-bacnet](https://discourse.nodered.org/t/problem-with-reading-change-state-time-with-node-red-contrib-bacnet/62670)

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**Author:** [@asad-123](https://discourse.nodered.org/u/asad-123)\
**Replies:** 0\
**Last updated:** [16 May 2022 06:11 UTC](https://discourse.nodered.org/t/problem-with-reading-change-state-time-with-node-red-contrib-bacnet/62670 "2022-05-16T06:11:04Z")

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I'm submitting a issue regarding Bacnet reading node, when I try to read Change\_State\_Time I do get values which are incorrect, I can see the correct values in YABE and our EBO software but I don't get correct values whe…

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## [How delete logo image/clock in title bar](https://discourse.nodered.org/t/how-delete-logo-image-clock-in-title-bar/62637)

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**Author:** [@learnobyte](https://discourse.nodered.org/u/learnobyte)\
**Replies:** 3\
**Last updated:** [16 May 2022 06:09 UTC](https://discourse.nodered.org/t/how-delete-logo-image-clock-in-title-bar/62637 "2022-05-16T06:09:38Z")

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HI, I want to delete the title bar image and clock, i have tried the logo in the title bar. After adding not able to delete, I deleted the template node, still showing the image and clock

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## [Automation sequence from a file](https://discourse.nodered.org/t/automation-sequence-from-a-file/62657)

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**Author:** [@sjamesparsonsjr](https://discourse.nodered.org/u/sjamesparsonsjr)\
**Replies:** 0\
**Last updated:** [15 May 2022 21:24 UTC](https://discourse.nodered.org/t/automation-sequence-from-a-file/62657 "2022-05-15T21:24:56Z")

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Hello Node-Red community, I'm looking for some advice. I've created something similar to a 3D printer with 4 steppers, 4 end stops 16 fluid valves and a few i2c devices. I want anyone who uses this device to generate t…

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## [JSON formatting from new Shelly Devices via. MQTT](https://discourse.nodered.org/t/json-formatting-from-new-shelly-devices-via-mqtt/62612)

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**Author:** [@nobbyneb](https://discourse.nodered.org/u/nobbyneb)\
**Replies:** 3\
**Last updated:** [15 May 2022 21:18 UTC](https://discourse.nodered.org/t/json-formatting-from-new-shelly-devices-via-mqtt/62612 "2022-05-15T21:18:02Z")

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Hi everybody, I'm new to Node-RED and having some difficulty reformatting JSON outputted from the new series of Shelly Plus devices via MQTT. I am receiving messages from Shelly OK but Node-RED appears to be getting in…

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## ["Jump" to target of LinkCall node?](https://discourse.nodered.org/t/jump-to-target-of-linkcall-node/62655)

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**Author:** [@ralphwetzel](https://discourse.nodered.org/u/ralphwetzel)\
**Replies:** 0\
**Last updated:** [15 May 2022 20:52 UTC](https://discourse.nodered.org/t/jump-to-target-of-linkcall-node/62655 "2022-05-15T20:52:08Z")

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Hi! Is there a magic SpecialKey + DblClick on node combo established that allows to jump to the call target of a LinkCall node (if it is defined)? If not, is there a community interest in such a feature?

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## [Worldmap Great Circle Lines Issue](https://discourse.nodered.org/t/worldmap-great-circle-lines-issue/58820)

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**Author:** [@aa0z](https://discourse.nodered.org/u/aa0z)\
**Replies:** 13\
**Last updated:** [15 May 2022 18:04 UTC](https://discourse.nodered.org/t/worldmap-great-circle-lines-issue/58820 "2022-05-15T18:04:10Z")

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I'm having a small issue with great circle lines. I don't think it's to look like that. :slight\_smile: Here is the payload. Thanks Kyle

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## [Imagemap inside Notification Dialog](https://discourse.nodered.org/t/imagemap-inside-notification-dialog/62645)

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**Author:** [@agoralive](https://discourse.nodered.org/u/agoralive)\
**Replies:** 1\
**Last updated:** [15 May 2022 17:53 UTC](https://discourse.nodered.org/t/imagemap-inside-notification-dialog/62645 "2022-05-15T17:53:39Z")

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Hi How do I put an Imagemap inside a popup notification What I've got is working fine when running in a template

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## [Node-red-contrib-sma-webconnect custom values reading](https://discourse.nodered.org/t/node-red-contrib-sma-webconnect-custom-values-reading/62652)

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**Author:** [@Hyuggs](https://discourse.nodered.org/u/Hyuggs)\
**Replies:** 0\
**Last updated:** [15 May 2022 17:14 UTC](https://discourse.nodered.org/t/node-red-contrib-sma-webconnect-custom-values-reading/62652 "2022-05-15T17:14:32Z")

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Hello, Does someone can explain me how to send an input payload to the sma-webconnect node? I'm able to connect to my Sunny boy 3.0 but the only parameter I can retrieve is the output power. This is normal because Trip…

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## [Storing and retrieving data from input text](https://discourse.nodered.org/t/storing-and-retrieving-data-from-input-text/62650)

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**Author:** [@alexback](https://discourse.nodered.org/u/alexback)\
**Replies:** 0\
**Last updated:** [15 May 2022 16:09 UTC](https://discourse.nodered.org/t/storing-and-retrieving-data-from-input-text/62650 "2022-05-15T16:09:21Z")

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Hey, I combined 4 inputs with this configuration in text input with button and join. How can I strore and retrieve the number I enter while it's string.test?

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## [Unknown node types: googleCredentials](https://discourse.nodered.org/t/unknown-node-types-googlecredentials/62648)

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**Author:** [@ncherry](https://discourse.nodered.org/u/ncherry)\
**Replies:** 2\
**Last updated:** [15 May 2022 15:07 UTC](https://discourse.nodered.org/t/unknown-node-types-googlecredentials/62648 "2022-05-15T15:07:50Z")

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I've gotten a bit sidewards at the moment as I deleted node-red-contrib-google-oauth-calendar and suddenly I got complaints about googleCredentials. I've added node-red-contrib-google-oauth-calendar back in but I contin…

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## [How to make a button that send msg once on click and sends msg repeated at set interval on button hold?](https://discourse.nodered.org/t/how-to-make-a-button-that-send-msg-once-on-click-and-sends-msg-repeated-at-set-interval-on-button-hold/62614)

<div class="topic-metadata">

**Author:** [@vk4tux](https://discourse.nodered.org/u/vk4tux)\
**Replies:** 6\
**Last updated:** [15 May 2022 13:40 UTC](https://discourse.nodered.org/t/how-to-make-a-button-that-send-msg-once-on-click-and-sends-msg-repeated-at-set-interval-on-button-hold/62614 "2022-05-15T13:40:25Z")

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At the moment I have two basic buttons. One sends 'G DOWN 0' on click, the other sends 'G UP 0" on click, to a tcp request. This works well, however I need a fast tune ability to hold button and send repeatedly for a scr…

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## [Asterisk AMI question](https://discourse.nodered.org/t/asterisk-ami-question/60664)

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**Author:** [@BigFunnyGiant](https://discourse.nodered.org/u/BigFunnyGiant)\
**Replies:** 1\
**Last updated:** [15 May 2022 12:45 UTC](https://discourse.nodered.org/t/asterisk-ami-question/60664 "2022-05-15T12:45:23Z")

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I would like to make an API call when an Asterisk AMI Event happens. I discovered Node RED can do this with the AMI node, so I’m trying to set it up. I’m not sure it’s working. It was suggested to me by some other Asteri…

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## [Inserting data with timestamp in MongoDB](https://discourse.nodered.org/t/inserting-data-with-timestamp-in-mongodb/62618)

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**Author:** [@e-Duardo](https://discourse.nodered.org/u/e-Duardo)\
**Replies:** 1\
**Last updated:** [15 May 2022 12:33 UTC](https://discourse.nodered.org/t/inserting-data-with-timestamp-in-mongodb/62618 "2022-05-15T12:33:11Z")

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Hi all, I am trying to learn the basics of MongoDB to insert some process data from a PLC so that another application of a partner uses this data in realtime. I would use Node-RED to read the data from the Siemens PLC…

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## [ I don't understand where is the mistake](https://discourse.nodered.org/t/i-dont-understand-where-is-the-mistake/62642)

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**Author:** [@JJ22](https://discourse.nodered.org/u/JJ22)\
**Replies:** 2\
**Last updated:** [15 May 2022 11:06 UTC](https://discourse.nodered.org/t/i-dont-understand-where-is-the-mistake/62642 "2022-05-15T11:06:41Z")

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Hello! I am still new to javascript. I need to create a code for the equipment selection configurator (calculator) so that instead of a number (answer) it gives a link to the site. Started simple, here is my code: U=m…

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## [Extracting ID3 Tags out of an Audio stream](https://discourse.nodered.org/t/extracting-id3-tags-out-of-an-audio-stream/62570)

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**Author:** [@onkel\_joerg](https://discourse.nodered.org/u/onkel_joerg)\
**Replies:** 8\
**Last updated:** [15 May 2022 07:36 UTC](https://discourse.nodered.org/t/extracting-id3-tags-out-of-an-audio-stream/62570 "2022-05-15T07:36:35Z")

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Hello all Is there a way to extract the Artist and Album information out of an internet audiostream?

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## [Purpose of Unknown Node as part of core nodes in standard installation](https://discourse.nodered.org/t/purpose-of-unknown-node-as-part-of-core-nodes-in-standard-installation/62635)

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**Author:** [@mickym2](https://discourse.nodered.org/u/mickym2)\
**Replies:** 2\
**Last updated:** [15 May 2022 07:18 UTC](https://discourse.nodered.org/t/purpose-of-unknown-node-as-part-of-core-nodes-in-standard-installation/62635 "2022-05-15T07:18:06Z")

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Can someone explain to me what the purpose of those unknow nodes in the core nodes is? It seems that it is really part of the core nodes. if you look into the code - it looks like an empty template - but nothin…

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## [Node-red-contrib-opcua, "event Node", what to fill in the field "root node"?](https://discourse.nodered.org/t/node-red-contrib-opcua-event-node-what-to-fill-in-the-field-root-node/60972)

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**Author:** [@Fritsel](https://discourse.nodered.org/u/Fritsel)\
**Replies:** 1\
**Last updated:** [15 May 2022 05:51 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-event-node-what-to-fill-in-the-field-root-node/60972 "2022-05-15T05:51:44Z")

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Hello, I would like to read out all my alarm events from my OPC-UA server (Siemens, Sinumerik controller). With the "client" node from "Node-red-contrib-opcua" I can get a connection with the server. In front of that …

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## [\[New user\] Error installing dashboard](https://discourse.nodered.org/t/new-user-error-installing-dashboard/62629)

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**Author:** [@Razz](https://discourse.nodered.org/u/Razz)\
**Replies:** 11\
**Last updated:** [15 May 2022 04:16 UTC](https://discourse.nodered.org/t/new-user-error-installing-dashboard/62629 "2022-05-15T04:16:14Z")

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Unable to download dashboard, error is as such.. 15 May 03:37:05 - \[info\] Server now running at http://127.0.0.1:1880/ 15 May 03:37:05 - \[info\] Starting flows 15 May 03:37:05 - \[info\] Started flows 15 May 03:37:54 - \[in…

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## [Ui-iframe receiving from postMessage in iframe page](https://discourse.nodered.org/t/ui-iframe-receiving-from-postmessage-in-iframe-page/62632)

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**Author:** [@AridRayne](https://discourse.nodered.org/u/AridRayne)\
**Replies:** 0\
**Last updated:** [14 May 2022 22:14 UTC](https://discourse.nodered.org/t/ui-iframe-receiving-from-postmessage-in-iframe-page/62632 "2022-05-14T22:14:24Z")

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I'm sure I'm missing something very simple and obvious, but I can't for the life of me see what. I've been trying to get some information from a basic page into node red by postMessage and I never get any kind of respons…

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## [How do I get Raspberry Pi to allow non-root process to bind to port 80 on reboot?](https://discourse.nodered.org/t/how-do-i-get-raspberry-pi-to-allow-non-root-process-to-bind-to-port-80-on-reboot/62625)

<div class="topic-metadata">

**Author:** [@DiverRich](https://discourse.nodered.org/u/DiverRich)\
**Replies:** 1\
**Last updated:** [14 May 2022 19:47 UTC](https://discourse.nodered.org/t/how-do-i-get-raspberry-pi-to-allow-non-root-process-to-bind-to-port-80-on-reboot/62625 "2022-05-14T19:47:49Z")

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I just switched my node-red flows from a headless MacBook to a Raspberry Pi 400. I'm using node-red-contrib-amazon-echo-oztourer to send voice commands locally to Alexa. This seems to require access to port 80. I came ac…

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## [SVG Node, Rotate an Element](https://discourse.nodered.org/t/svg-node-rotate-an-element/62603)

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**Author:** [@n61ab](https://discourse.nodered.org/u/n61ab)\
**Replies:** 8\
**Last updated:** [14 May 2022 11:48 UTC](https://discourse.nodered.org/t/svg-node-rotate-an-element/62603 "2022-05-14T11:48:42Z")

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I want to rotate a polygon in the SVG Node. I added the attribute, transform="rotate(45)", to the SVG code. What are the commands to change the angle of rotation? I have tried the below, without success. { "command":…

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## [Struggling with sort in a function node](https://discourse.nodered.org/t/struggling-with-sort-in-a-function-node/62617)

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**Author:** [@michaelblight](https://discourse.nodered.org/u/michaelblight)\
**Replies:** 5\
**Last updated:** [14 May 2022 09:41 UTC](https://discourse.nodered.org/t/struggling-with-sort-in-a-function-node/62617 "2022-05-14T09:41:21Z")

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I must be missing something obvious here. I've dumbed my problem down to a simple function node containing the following: const values = \[ { name: "a", size: 1 }, { name: "b", size: 4 }, { name: "c", size: 2…

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## [Let the messenge from MQTT to dashboard](https://discourse.nodered.org/t/let-the-messenge-from-mqtt-to-dashboard/62611)

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**Author:** [@andy0129](https://discourse.nodered.org/u/andy0129)\
**Replies:** 3\
**Last updated:** [14 May 2022 08:21 UTC](https://discourse.nodered.org/t/let-the-messenge-from-mqtt-to-dashboard/62611 "2022-05-14T08:21:58Z")

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Hello I am new to Node-red ,me and my partner use MQTT send a vumerical value to Node-RED and we want to let the numerical value show on dashboard. But dashboard doesn't display normally What should we type in the fun…

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## [Decoding weather underground upload protocol](https://discourse.nodered.org/t/decoding-weather-underground-upload-protocol/62562)

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**Author:** [@HamRadio](https://discourse.nodered.org/u/HamRadio)\
**Replies:** 9\
**Last updated:** [14 May 2022 02:59 UTC](https://discourse.nodered.org/t/decoding-weather-underground-upload-protocol/62562 "2022-05-14T02:59:27Z")

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I have a weather station (ambient weather ws-2000) that allows you to send data to a custom url (other than the wunderground server) using weather underground's upload protocol. https://ambientweather.com/faqs/question/…

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## [🎉 Node-RED 3.0.0-beta.1 released](https://discourse.nodered.org/t/node-red-3-0-0-beta-1-released/62124)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 73\
**Last updated:** [13 May 2022 20:43 UTC](https://discourse.nodered.org/t/node-red-3-0-0-beta-1-released/62124 "2022-05-13T20:43:27Z")

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:tada: The first beta release of Node-RED 3.0 is now available. Node-RED 3.x requires at least Node 14.x or later. We recommend the current Active LTS release, Node 16.x. Here are the highlights for this release. The C…

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## [Securing the settings.js file](https://discourse.nodered.org/t/securing-the-settings-js-file/62595)

<div class="topic-metadata">

**Author:** [@als7](https://discourse.nodered.org/u/als7)\
**Replies:** 5\
**Last updated:** [13 May 2022 20:25 UTC](https://discourse.nodered.org/t/securing-the-settings-js-file/62595 "2022-05-13T20:25:20Z")

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I've recently realized that (correct me if I'm wrong) anyone with access to the device hosting Node-RED can add a new user account, with full admin privileges, without even needing to know the host device's password assu…

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## [Ui\_spacer node deploy error (NR v 2.2.2)](https://discourse.nodered.org/t/ui-spacer-node-deploy-error-nr-v-2-2-2/62599)

<div class="topic-metadata">

**Author:** [@rakgupta](https://discourse.nodered.org/u/rakgupta)\
**Replies:** 1\
**Last updated:** [13 May 2022 19:32 UTC](https://discourse.nodered.org/t/ui-spacer-node-deploy-error-nr-v-2-2-2/62599 "2022-05-13T19:32:57Z")

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Hello - I recently upgraded to 2.2.2 (from v 1.3.x) and I am getting an error/warning message when I deploy. Everything seems to work correctly though. I did look at this thread but I could not find a solution other tha…

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