# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=68

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

**Page:** 69

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## [Dashboard 2.0 ui-chart timestamp format](https://discourse.nodered.org/t/dashboard-2-0-ui-chart-timestamp-format/97675)

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**Author:** [@dNode12](https://discourse.nodered.org/u/dNode12)\
**Replies:** 2\
**Last updated:** [18 June 2025 16:36 UTC](https://discourse.nodered.org/t/dashboard-2-0-ui-chart-timestamp-format/97675 "2025-06-18T16:36:37Z")

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Hi, I'm trying to display historized data on a line chart but running into issues with getting the values to show correctly. In the screenshot below, you can see the data being returned from the database: My goal i…

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## [Trying to install aedes broker](https://discourse.nodered.org/t/trying-to-install-aedes-broker/97663)

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**Author:** [@marwer](https://discourse.nodered.org/u/marwer)\
**Replies:** 5\
**Last updated:** [18 June 2025 10:22 UTC](https://discourse.nodered.org/t/trying-to-install-aedes-broker/97663 "2025-06-18T10:22:12Z")

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Hello I am trying to install the aedes broker ...but it doesn't work (see screenshot). Any clue what I am doing wrong? regards Martin

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## [FlowFuse Solution Engineer](https://discourse.nodered.org/t/flowfuse-solution-engineer/97682)

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**Author:** [@zj-flowfuse](https://discourse.nodered.org/u/zj-flowfuse)\
**Replies:** 0\
**Last updated:** [18 June 2025 07:51 UTC](https://discourse.nodered.org/t/flowfuse-solution-engineer/97682 "2025-06-18T07:51:56Z")

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There's a new open opportunity to join the FlowFuse team as a Solution Engineer. If you're passionate about Node-RED, industrial automation, and helping customers succeed, this role could be your next role. About FlowFu…

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## [Half gauge layout](https://discourse.nodered.org/t/half-gauge-layout/97680)

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**Author:** [@Cruzxia](https://discourse.nodered.org/u/Cruzxia)\
**Replies:** 0\
**Last updated:** [18 June 2025 05:33 UTC](https://discourse.nodered.org/t/half-gauge-layout/97680 "2025-06-18T05:33:45Z")

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I am having issues with the min max range overwriting other text. Is it possible to move the text below the gauge. See photos.

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## [How to emit with 'widget-send' without updating the node's datastore?](https://discourse.nodered.org/t/how-to-emit-with-widget-send-without-updating-the-nodes-datastore/97653)

<div class="topic-metadata">

**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 1\
**Last updated:** [17 June 2025 20:19 UTC](https://discourse.nodered.org/t/how-to-emit-with-widget-send-without-updating-the-nodes-datastore/97653 "2025-06-17T20:19:42Z")

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I am developing a custom UI node for dashboard-2 and using the datastore to save the node's data image (for populating the widgets upon page open/refresh). In the datastore I'm using a proprietary data structure (with bo…

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## [Highlight groups/nodes from description text using references](https://discourse.nodered.org/t/highlight-groups-nodes-from-description-text-using-references/97620)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 5\
**Last updated:** [17 June 2025 14:20 UTC](https://discourse.nodered.org/t/highlight-groups-nodes-from-description-text-using-references/97620 "2025-06-17T14:20:32Z")

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Hi There, So after duplicating the preview feature, I have another feature request or rather I'm wondering whether this is being worked on. The central itch being scratched is the abiliity to highlight nodes or groups i…

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## [Treeview filter and selected node](https://discourse.nodered.org/t/treeview-filter-and-selected-node/97664)

<div class="topic-metadata">

**Author:** [@kitori](https://discourse.nodered.org/u/kitori)\
**Replies:** 0\
**Last updated:** [17 June 2025 12:08 UTC](https://discourse.nodered.org/t/treeview-filter-and-selected-node/97664 "2025-06-17T12:08:43Z")

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Hi folks, i try to make a Treeview for filter and selecting some hierarchical data. i stuck on the click part: When i select a node, i want to emit the id of the clicked node. i also try to add a filter, but also stuc…

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## [Icecast radio stream to dashboard VU meter](https://discourse.nodered.org/t/icecast-radio-stream-to-dashboard-vu-meter/97556)

<div class="topic-metadata">

**Author:** [@acedog5](https://discourse.nodered.org/u/acedog5)\
**Replies:** 2\
**Last updated:** [17 June 2025 03:07 UTC](https://discourse.nodered.org/t/icecast-radio-stream-to-dashboard-vu-meter/97556 "2025-06-17T03:07:23Z")

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Just as the title says I have been trying to figure out a way to monitor icecast radio streams. Right now I am just trying to get a VU meter on the dashboard to visually reference if there is silence. I have tried sear…

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## [Setting properties of a chart that is inside a subflow - HowTo?](https://discourse.nodered.org/t/setting-properties-of-a-chart-that-is-inside-a-subflow-howto/97539)

<div class="topic-metadata">

**Author:** [@Mecworks](https://discourse.nodered.org/u/Mecworks)\
**Replies:** 19\
**Last updated:** [16 June 2025 23:24 UTC](https://discourse.nodered.org/t/setting-properties-of-a-chart-that-is-inside-a-subflow-howto/97539 "2025-06-16T23:24:20Z")

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How do you modify the properties of chart that exists inside a subflow? I need to create a subflow that has two graphs and two gauges. This subclow will be used at least 10-20 time thus the need to reuse the charts rathe…

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## [HTTP Request with dynamic authorization token](https://discourse.nodered.org/t/http-request-with-dynamic-authorization-token/97640)

<div class="topic-metadata">

**Author:** [@pacmanmt](https://discourse.nodered.org/u/pacmanmt)\
**Replies:** 5\
**Last updated:** [16 June 2025 20:18 UTC](https://discourse.nodered.org/t/http-request-with-dynamic-authorization-token/97640 "2025-06-16T20:18:00Z")

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Hi all, I am struggling trying to build a flow to interact with a Teltonika router API. To use it I have to make a first http request to receive the authorization token and then a second one (the actual request to the …

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## [Self-Programming CNC Toolpaths](https://discourse.nodered.org/t/self-programming-cnc-toolpaths/97611)

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**Author:** [@dudleyjosh](https://discourse.nodered.org/u/dudleyjosh)\
**Replies:** 0\
**Last updated:** [13 June 2025 17:51 UTC](https://discourse.nodered.org/t/self-programming-cnc-toolpaths/97611 "2025-06-13T17:51:04Z")

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I shared the origins of this project a couple of years ago (Precision CNC Masking Machine using Node-RED Dashboard & GRBL32 CNC Control)... I thought this newest functionality was worth an update. The machine can now pr…

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## [Load test with hundreds of JSON messages](https://discourse.nodered.org/t/load-test-with-hundreds-of-json-messages/97410)

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**Author:** [@Hoboclown](https://discourse.nodered.org/u/Hoboclown)\
**Replies:** 18\
**Last updated:** [16 June 2025 12:48 UTC](https://discourse.nodered.org/t/load-test-with-hundreds-of-json-messages/97410 "2025-06-16T12:48:27Z")

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I've only just installed Node RED and I'm looking for a bit of direction for my project I've created an application for my companies tracking devices that send cell tower and GPS data over mqtt and I was looking to load…

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## [Autoscale in button group](https://discourse.nodered.org/t/autoscale-in-button-group/97632)

<div class="topic-metadata">

**Author:** [@jussie](https://discourse.nodered.org/u/jussie)\
**Replies:** 3\
**Last updated:** [16 June 2025 12:29 UTC](https://discourse.nodered.org/t/autoscale-in-button-group/97632 "2025-06-16T12:29:17Z")

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hello everyone, i am working on a project with dashboard 2.0 and node red. I use a button group with fixed length and width but when I view this on another smaller screen, buttons fall off the screen and are no longer …

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## [Failed to open ./data/temp.db](https://discourse.nodered.org/t/failed-to-open-data-temp-db/97301)

<div class="topic-metadata">

**Author:** [@ColaJin](https://discourse.nodered.org/u/ColaJin)\
**Replies:** 9\
**Last updated:** [28 May 2025 09:32 UTC](https://discourse.nodered.org/t/failed-to-open-data-temp-db/97301 "2025-05-28T09:32:05Z")

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in my environment，i import project ,nodejs directory has node.exe，data directory has two db documents(temp.db、test.db) , i config node find "./data/temp.db" can execute，but test.db appears error failed to open "./data/te…

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## [Help with a trigger node - trick](https://discourse.nodered.org/t/help-with-a-trigger-node-trick/97643)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [16 June 2025 05:37 UTC](https://discourse.nodered.org/t/help-with-a-trigger-node-trick/97643 "2025-06-16T05:37:37Z")

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I'm trying to optimise some code but am stuck. This is my trigger node. \[{"id":"21982222.97dd2e","type":"trigger","z":"fb549e2f.4d026","g":"9f73c6fa33db761f","name":"","op1":"{\\"command\\": \\"remove-all\\"}","op2":"{\\"co…

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## [Scope of constants](https://discourse.nodered.org/t/scope-of-constants/97629)

<div class="topic-metadata">

**Author:** [@Janvi](https://discourse.nodered.org/u/Janvi)\
**Replies:** 9\
**Last updated:** [15 June 2025 23:13 UTC](https://discourse.nodered.org/t/scope-of-constants/97629 "2025-06-15T23:13:08Z")

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if I define any constant like const value = {val:123}; its only known inside same node. Is there any possibility to put this definition to flow-scope without using context variable by flow.set ?

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## [Labels for wires](https://discourse.nodered.org/t/labels-for-wires/97633)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 1\
**Last updated:** [15 June 2025 22:50 UTC](https://discourse.nodered.org/t/labels-for-wires/97633 "2025-06-15T22:50:33Z")

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Node-red is gradually acquiring more ways to include documentation in a flow, and to read it. You can add a tooltip to function node (only?) outputs. Tooltips are automatic for switch nodes Groups allow a descri…

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## [Http in without authorization](https://discourse.nodered.org/t/http-in-without-authorization/97636)

<div class="topic-metadata">

**Author:** [@tobiasBora](https://discourse.nodered.org/u/tobiasBora)\
**Replies:** 2\
**Last updated:** [15 June 2025 16:51 UTC](https://discourse.nodered.org/t/http-in-without-authorization/97636 "2025-06-15T16:51:01Z")

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I'd like to try to connect web-hooks to node-red (for instance when a new google form is submitted). For this, I tried to use the http in node. I configured an URL /foo (if it matters, I run node-red behind a nginx proxy…

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## [Install docker after Node-RED was installed on Debian GNU/Linux 12 (bookworm) on raspberry 4B](https://discourse.nodered.org/t/install-docker-after-node-red-was-installed-on-debian-gnu-linux-12-bookworm-on-raspberry-4b/97626)

<div class="topic-metadata">

**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 4\
**Last updated:** [15 June 2025 15:51 UTC](https://discourse.nodered.org/t/install-docker-after-node-red-was-installed-on-debian-gnu-linux-12-bookworm-on-raspberry-4b/97626 "2025-06-15T15:51:05Z")

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Hi all, does somebody know if it is possible to install Docker after Node-RED was installed on a raspberry 4B running Debian GNU/Linux 12 (bookworm)? The reason I want to install Docker is because I want to try out Nex…

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## [Convert string to a format suitable for table](https://discourse.nodered.org/t/convert-string-to-a-format-suitable-for-table/97634)

<div class="topic-metadata">

**Author:** [@MKaiser96](https://discourse.nodered.org/u/MKaiser96)\
**Replies:** 4\
**Last updated:** [15 June 2025 15:01 UTC](https://discourse.nodered.org/t/convert-string-to-a-format-suitable-for-table/97634 "2025-06-15T15:01:22Z")

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Hello, I would like to display the table with the table-node in dashboard 2. I have a string as an input. It looks like: Device1:battery low;Device2:communication error;Device3:temperature error How can I automaticall…

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## [Row height in tab layout](https://discourse.nodered.org/t/row-height-in-tab-layout/97591)

<div class="topic-metadata">

**Author:** [@MKaiser96](https://discourse.nodered.org/u/MKaiser96)\
**Replies:** 1\
**Last updated:** [15 June 2025 12:50 UTC](https://discourse.nodered.org/t/row-height-in-tab-layout/97591 "2025-06-15T12:50:32Z")

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Hi, i want to use one page of my dashboard 2 in tab layout. The row height in my template is compact (32px), but when I use the tab layout of my page the row height is always 48px. In grid layout the row height is corre…

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## [Better way to change the colour of a Hue light without turning it on or off](https://discourse.nodered.org/t/better-way-to-change-the-colour-of-a-hue-light-without-turning-it-on-or-off/97243)

<div class="topic-metadata">

**Author:** [@ath0rus](https://discourse.nodered.org/u/ath0rus)\
**Replies:** 32\
**Last updated:** [15 June 2025 10:27 UTC](https://discourse.nodered.org/t/better-way-to-change-the-colour-of-a-hue-light-without-turning-it-on-or-off/97243 "2025-06-15T10:27:00Z")

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Hi, I have been trying to work out how to make it that at a set time of day my lights change colour without affecting if they are on or not (aka, if the light is on, Keep it on, If it is off, keep it off but change the …

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## [From exec-node: ERR\_CHILD\_PROCESS\_STDIO\_MAXBUFFER](https://discourse.nodered.org/t/from-exec-node-err-child-process-stdio-maxbuffer/97630)

<div class="topic-metadata">

**Author:** [@krambriw](https://discourse.nodered.org/u/krambriw)\
**Replies:** 0\
**Last updated:** [15 June 2025 07:02 UTC](https://discourse.nodered.org/t/from-exec-node-err-child-process-stdio-maxbuffer/97630 "2025-06-15T07:02:47Z")

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Hello, I saw that I had this error message below the exec node. In my setup I'm having Node-RED handling the execution, running & monitoring a docker container where the main task is to run a python script. This still wo…

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## [Unable to install Node-Red on Android device](https://discourse.nodered.org/t/unable-to-install-node-red-on-android-device/97621)

<div class="topic-metadata">

**Author:** [@iungo](https://discourse.nodered.org/u/iungo)\
**Replies:** 8\
**Last updated:** [15 June 2025 07:21 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-on-android-device/97621 "2025-06-15T07:21:22Z")

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Trying to install Node-Red on Galaxy Tab Active 2 I've got fatal error message. What I'm doing wrong?

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## [Insert the date and time separately into an SQL query](https://discourse.nodered.org/t/insert-the-date-and-time-separately-into-an-sql-query/97615)

<div class="topic-metadata">

**Author:** [@geronimo-78](https://discourse.nodered.org/u/geronimo-78)\
**Replies:** 5\
**Last updated:** [14 June 2025 20:25 UTC](https://discourse.nodered.org/t/insert-the-date-and-time-separately-into-an-sql-query/97615 "2025-06-14T20:25:05Z")

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Hello, Excuse me for this naive question, but I'm a beginner. Here's my problem: I have a sensor that sends me speed information when an object passes in front of it. I want to record the date, time (in different colum…

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## [Pie chart with continuous data with topics](https://discourse.nodered.org/t/pie-chart-with-continuous-data-with-topics/97627)

<div class="topic-metadata">

**Author:** [@MKaiser96](https://discourse.nodered.org/u/MKaiser96)\
**Replies:** 2\
**Last updated:** [14 June 2025 18:46 UTC](https://discourse.nodered.org/t/pie-chart-with-continuous-data-with-topics/97627 "2025-06-14T18:46:21Z")

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Hello, I want to create a pie chart in Dashboard 2. I have some input data with separate topics for each data point. Each data point is refreshed continuously. Here is an example with 2 different input data (Topic 1: T…

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## [Mqtt connection fails to local ip address (192.168.1.4) but 127.0.0.1 works](https://discourse.nodered.org/t/mqtt-connection-fails-to-local-ip-address-192-168-1-4-but-127-0-0-1-works/97612)

<div class="topic-metadata">

**Author:** [@mark31](https://discourse.nodered.org/u/mark31)\
**Replies:** 6\
**Last updated:** [14 June 2025 10:50 UTC](https://discourse.nodered.org/t/mqtt-connection-fails-to-local-ip-address-192-168-1-4-but-127-0-0-1-works/97612 "2025-06-14T10:50:57Z")

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First set up Node-red version 3.1.15 on Dell 9020m running on Mint 20.3 Mosquitto 2,0.11 running on same server as Node-red. Dell 9020m eth0 192.168.1.4 and wlp2s0 192.168.1.5 both static. Finally Nordlynx for remote…

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## [🌐 UIBUILDER new release: 7.4.1 - Bug fixes and some small new features](https://discourse.nodered.org/t/uibuilder-new-release-7-4-1-bug-fixes-and-some-small-new-features/97610)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [13 June 2025 18:36 UTC](https://discourse.nodered.org/t/uibuilder-new-release-7-4-1-bug-fixes-and-some-small-new-features/97610 "2025-06-13T18:36:03Z")

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You can thank @smanjunath211 for having a bonus release so soon after v7.3.0. :smiley: They were kind enough to highlight a hidden bug in the uib-cache node which is now fixed. Thanks also go to Callum Macdonald for a P…

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## [Need help with find/change value in non json string](https://discourse.nodered.org/t/need-help-with-find-change-value-in-non-json-string/97510)

<div class="topic-metadata">

**Author:** [@sailmich](https://discourse.nodered.org/u/sailmich)\
**Replies:** 4\
**Last updated:** [13 June 2025 17:24 UTC](https://discourse.nodered.org/t/need-help-with-find-change-value-in-non-json-string/97510 "2025-06-13T17:24:18Z")

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Hello, I have a battery on my balcony PV panels connected. The battery can be manipulated via mqtt. Problem is that I have to sent a string to the battery which isn't json formatted. I tried with change and template node…

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## [Http-in node raw body](https://discourse.nodered.org/t/http-in-node-raw-body/97606)

<div class="topic-metadata">

**Author:** [@aderici](https://discourse.nodered.org/u/aderici)\
**Replies:** 1\
**Last updated:** [13 June 2025 14:15 UTC](https://discourse.nodered.org/t/http-in-node-raw-body/97606 "2025-06-13T14:15:32Z")

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Just wanted to share the solution i found for accessing raw body add this section to your settings.js, replaving /this/that with the path you'd like to get raw body : httpNodeMiddleware: (req, res, next) =\> { …

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