# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=145

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

**Page:** 146

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## [Unexpected non-whitespace character after JSON at position 93](https://discourse.nodered.org/t/unexpected-non-whitespace-character-after-json-at-position-93/92111)

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**Author:** [@WhiteLion](https://discourse.nodered.org/u/WhiteLion)\
**Replies:** 2\
**Last updated:** [1 October 2024 18:31 UTC](https://discourse.nodered.org/t/unexpected-non-whitespace-character-after-json-at-position-93/92111 "2024-10-01T18:31:02Z")

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Hiho, I get this error message since update to NR 4.0x at json node: "Unexpected non-whitespace character after JSON at position 93" The message that causes this looks normal to me: {"topic":"/EspNowPub","payload":"{\\…

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## [Learning Resources on Dashboards](https://discourse.nodered.org/t/learning-resources-on-dashboards/92084)

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**Author:** [@Elvis](https://discourse.nodered.org/u/Elvis)\
**Replies:** 6\
**Last updated:** [1 October 2024 17:52 UTC](https://discourse.nodered.org/t/learning-resources-on-dashboards/92084 "2024-10-01T17:52:05Z")

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Continuing the discussion from About the Dashboard category: Am a beginner learning node-red. I do need help with getting resources on learning how to build a SCADA dashboard

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## [Panel don't show icons](https://discourse.nodered.org/t/panel-dont-show-icons/92109)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 3\
**Last updated:** [1 October 2024 15:40 UTC](https://discourse.nodered.org/t/panel-dont-show-icons/92109 "2024-10-01T15:40:02Z")

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Hi, I try to explain ..... My wife has on mobile a link to a panel for the shopping list. if my wife show the list in home with wifi connect the panel is ok .... but when the wife is outside and connects with mobi…

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## [Howto write ExtensionObjectArray with node-red-contrib-opcua](https://discourse.nodered.org/t/howto-write-extensionobjectarray-with-node-red-contrib-opcua/92108)

<div class="topic-metadata">

**Author:** [@Barb21](https://discourse.nodered.org/u/Barb21)\
**Replies:** 0\
**Last updated:** [1 October 2024 15:18 UTC](https://discourse.nodered.org/t/howto-write-extensionobjectarray-with-node-red-contrib-opcua/92108 "2024-10-01T15:18:40Z")

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Hello, is it possible to write an ExtensionObjectArray with or without a given range? My Node-red does always a restart as an error is thrown {"log":"14:53:19.615Z :datatype\_factory :210 warning ns=0;i…

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## [🎉 nrg-cli v1.2.4 released](https://discourse.nodered.org/t/nrg-cli-v1-2-4-released/92103)

<div class="topic-metadata">

**Author:** [@AllanOricil](https://discourse.nodered.org/u/AllanOricil)\
**Replies:** 0\
**Last updated:** [1 October 2024 13:32 UTC](https://discourse.nodered.org/t/nrg-cli-v1-2-4-released/92103 "2024-10-01T13:32:46Z")

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In this patch, all vulnerabilities were addressed. @allanoricil/nrg-cli @allanoricil/nrg-core

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## [Chart Dashboard 2 undefined legend](https://discourse.nodered.org/t/chart-dashboard-2-undefined-legend/92102)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 3\
**Last updated:** [1 October 2024 13:16 UTC](https://discourse.nodered.org/t/chart-dashboard-2-undefined-legend/92102 "2024-10-01T13:16:51Z")

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I am ínitialising my chart with this lines of code: node.send({ payload: \[\] }); node.send({ topic: "SZ", payload: 0 }); node.send({ topic: "AZ", payload: 0 }); node.send({ topic: "WZ", payload: 0 }); node.send({ topic:…

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## [Button icon does not update/refresh automatically](https://discourse.nodered.org/t/button-icon-does-not-update-refresh-automatically/92099)

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**Author:** [@waquete](https://discourse.nodered.org/u/waquete)\
**Replies:** 7\
**Last updated:** [1 October 2024 12:24 UTC](https://discourse.nodered.org/t/button-icon-does-not-update-refresh-automatically/92099 "2024-10-01T12:24:27Z")

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Hello, I have set a dashboard button that I just use to display an icon (iconify). icon and color is sent by msg.ui\_control: var msg2 = {}; if (msg.payload.state == "OFF") { msg2.ui\_control = { "icon" : "iconify-b…

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## [PLC machine data sent Via MQTT to Node Red Then to SQL Database](https://discourse.nodered.org/t/plc-machine-data-sent-via-mqtt-to-node-red-then-to-sql-database/90452)

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**Author:** [@kwalt](https://discourse.nodered.org/u/kwalt)\
**Replies:** 25\
**Last updated:** [1 October 2024 12:16 UTC](https://discourse.nodered.org/t/plc-machine-data-sent-via-mqtt-to-node-red-then-to-sql-database/90452 "2024-10-01T12:16:22Z")

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Hello. I am new to the world of Node-Red and could use some help setting it up for our facility. From what I have read so far it seems like it should work for this application. I have approx 40 machines I need to collec…

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## [HTTP 2.0 support in core http nodes?](https://discourse.nodered.org/t/http-2-0-support-in-core-http-nodes/91255)

<div class="topic-metadata">

**Author:** [@Josh](https://discourse.nodered.org/u/Josh)\
**Replies:** 9\
**Last updated:** [1 October 2024 10:34 UTC](https://discourse.nodered.org/t/http-2-0-support-in-core-http-nodes/91255 "2024-10-01T10:34:58Z")

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Hi Forum, I'm working on a project using Node-RED and I'm curious about HTTP/2.0 support. I've been looking through the documentation but haven't found a definitive answer. Does Node-RED inherently support HTTP/2.0 prot…

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## [Group background color](https://discourse.nodered.org/t/group-background-color/92094)

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**Author:** [@selwynjackson](https://discourse.nodered.org/u/selwynjackson)\
**Replies:** 4\
**Last updated:** [1 October 2024 10:14 UTC](https://discourse.nodered.org/t/group-background-color/92094 "2024-10-01T10:14:08Z")

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How do I set the background colour for a group? I would like a different colour for each group. I have tried setting 'background-color' in a template, but that only works for the widgets.

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## [Yet another SQL timestamp doubt](https://discourse.nodered.org/t/yet-another-sql-timestamp-doubt/91301)

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**Author:** [@shubhamnodered](https://discourse.nodered.org/u/shubhamnodered)\
**Replies:** 16\
**Last updated:** [1 October 2024 09:39 UTC](https://discourse.nodered.org/t/yet-another-sql-timestamp-doubt/91301 "2024-10-01T09:39:16Z")

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Hi Guys and Hello node red team, My query is in reference to the point that Julius @TotallyInformation mentioned = "Always store DB entries in UTC" in the article " Wrong Timezone data in sql query result?!?" I found t…

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## [Base64 image is not working on dashboard 2.0](https://discourse.nodered.org/t/base64-image-is-not-working-on-dashboard-2-0/91318)

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**Author:** [@iotkismec](https://discourse.nodered.org/u/iotkismec)\
**Replies:** 6\
**Last updated:** [1 October 2024 01:59 UTC](https://discourse.nodered.org/t/base64-image-is-not-working-on-dashboard-2-0/91318 "2024-10-01T01:59:33Z")

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Hi. below is the dataURI that is worked in dashboard v1 but not in v2. data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAHQAAAB0CAYAAABUmhYnAAAAAklEQVR4AewaftIAAALPSURBVO3BQa7jSAwFwUxC97/yGy+5KkCQ7OlPMMJ8sMYo1ijFGqVYoxRrlG…

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## [Dynamic Settings on MQTT Node](https://discourse.nodered.org/t/dynamic-settings-on-mqtt-node/92082)

<div class="topic-metadata">

**Author:** [@\_mirjka](https://discourse.nodered.org/u/_mirjka)\
**Replies:** 2\
**Last updated:** [30 September 2024 19:09 UTC](https://discourse.nodered.org/t/dynamic-settings-on-mqtt-node/92082 "2024-09-30T19:09:11Z")

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Hi, I have over 100 mqtt broker on various places running, they are not allowed to be connected except in case of an emergency. To send them an "stop", I would like to use the mqtt-in node dynamically. For easy testing,…

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## [Sending control messages in Dashboard 2.0 ui-iframe](https://discourse.nodered.org/t/sending-control-messages-in-dashboard-2-0-ui-iframe/92070)

<div class="topic-metadata">

**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 3\
**Last updated:** [30 September 2024 17:15 UTC](https://discourse.nodered.org/t/sending-control-messages-in-dashboard-2-0-ui-iframe/92070 "2024-09-30T17:15:30Z")

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I am using Dashboard-2.0 ui-iframe node, and able to set the url dynamically with msg.src. In dashboard-1.0, the node-red-node-ui-iframe node was also able to send control messages to the iFrame. For example, controllin…

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## [Running a flow triggered via HTTP concurrently](https://discourse.nodered.org/t/running-a-flow-triggered-via-http-concurrently/92076)

<div class="topic-metadata">

**Author:** [@venomancer](https://discourse.nodered.org/u/venomancer)\
**Replies:** 9\
**Last updated:** [30 September 2024 14:27 UTC](https://discourse.nodered.org/t/running-a-flow-triggered-via-http-concurrently/92076 "2024-09-30T14:27:30Z")

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I am sorry if that has been answered somewhere else already, I haven't found exactly what I need via search. Let's say I'm building a flow that starts with an http-in node so that the flow can be triggered via an HTTP e…

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## [Common local library for managing javascript functions used in function nodes](https://discourse.nodered.org/t/common-local-library-for-managing-javascript-functions-used-in-function-nodes/92065)

<div class="topic-metadata">

**Author:** [@psmtvdw](https://discourse.nodered.org/u/psmtvdw)\
**Replies:** 8\
**Last updated:** [30 September 2024 14:21 UTC](https://discourse.nodered.org/t/common-local-library-for-managing-javascript-functions-used-in-function-nodes/92065 "2024-09-30T14:21:14Z")

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I've stumbled on this old page: Design: Function Library node · node-red/node-red Wiki · GitHub We have seen a growing number of users who are inserting JavaScript into global context so it can be readily reused among…

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## [Unable to restart Node Red from a node](https://discourse.nodered.org/t/unable-to-restart-node-red-from-a-node/91192)

<div class="topic-metadata">

**Author:** [@flyoffacliff](https://discourse.nodered.org/u/flyoffacliff)\
**Replies:** 9\
**Last updated:** [30 September 2024 11:41 UTC](https://discourse.nodered.org/t/unable-to-restart-node-red-from-a-node/91192 "2024-09-30T11:41:09Z")

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I have spent all day trying to setup a way to restart Node Red from itself. I tried the Exec node many different ways, but the commands like "node-red-restart" give a 127 command not found error. I also tried with the AP…

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## [Subflow - UI Group](https://discourse.nodered.org/t/subflow-ui-group/92068)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 11\
**Last updated:** [30 September 2024 11:22 UTC](https://discourse.nodered.org/t/subflow-ui-group/92068 "2024-09-30T11:22:47Z")

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Not sure if this is an issue, or by design If it's an issue, where can I report a bug (Node-RED core, or dashboard?) If I create a subflow containing a UI Template then set its UI Tab Group to point to an environment v…

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## [Node for multiple outputs based on single input](https://discourse.nodered.org/t/node-for-multiple-outputs-based-on-single-input/91645)

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**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 5\
**Last updated:** [30 September 2024 10:00 UTC](https://discourse.nodered.org/t/node-for-multiple-outputs-based-on-single-input/91645 "2024-09-30T10:00:52Z")

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Could anyone recommend a node for controlling a fan based on a numeric range please? The incoming number is from an air quality sensor, the output is a hepa filter fan. I'd like to ensure there's not a "bouncing" effec…

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## [Modbus serial RTU communication](https://discourse.nodered.org/t/modbus-serial-rtu-communication/92066)

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**Author:** [@vsk17](https://discourse.nodered.org/u/vsk17)\
**Replies:** 1\
**Last updated:** [30 September 2024 08:30 UTC](https://discourse.nodered.org/t/modbus-serial-rtu-communication/92066 "2024-09-30T08:30:38Z")

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I am trying to establish the communication between energy-meter and laptop via modbus serial rtu. However I am not able to do so, and getting timeout error. It would be very helpful if someone can help in this.

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## [Conditionally show a widget?](https://discourse.nodered.org/t/conditionally-show-a-widget/92047)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 1\
**Last updated:** [30 September 2024 01:28 UTC](https://discourse.nodered.org/t/conditionally-show-a-widget/92047 "2024-09-30T01:28:09Z")

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Simple question, maybe one that has already been covered and apologies if so. Is it possible to conditionally show a widget? For example, if a rainfall level graph is empty then Don’t show it, instead I might want to sh…

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## [Assistance with Creating a Custom Node for Real-Time Data Processing](https://discourse.nodered.org/t/assistance-with-creating-a-custom-node-for-real-time-data-processing/92055)

<div class="topic-metadata">

**Author:** [@salac64365](https://discourse.nodered.org/u/salac64365)\
**Replies:** 2\
**Last updated:** [29 September 2024 21:12 UTC](https://discourse.nodered.org/t/assistance-with-creating-a-custom-node-for-real-time-data-processing/92055 "2024-09-29T21:12:31Z")

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Hello Everyone :hugs:, I’ve been working on a project where I’m using Node-RED to process real-time data streams from multiple IoT sensors. The flow involves receiving data, performing some transformations, and then pus…

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## [Read file and split line into separate values](https://discourse.nodered.org/t/read-file-and-split-line-into-separate-values/92049)

<div class="topic-metadata">

**Author:** [@BubbleBobble](https://discourse.nodered.org/u/BubbleBobble)\
**Replies:** 3\
**Last updated:** [29 September 2024 18:03 UTC](https://discourse.nodered.org/t/read-file-and-split-line-into-separate-values/92049 "2024-09-29T18:03:46Z")

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I want to read a Sensirion log file and split the two measured values into two separate values to work with. The two last values in the line is temperature and humidity. So far i have manage by the forum to read the …

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## [🎉 nrg-cli v1.2.1 released](https://discourse.nodered.org/t/nrg-cli-v1-2-1-released/91847)

<div class="topic-metadata">

**Author:** [@AllanOricil](https://discourse.nodered.org/u/AllanOricil)\
**Replies:** 1\
**Last updated:** [29 September 2024 16:40 UTC](https://discourse.nodered.org/t/nrg-cli-v1-2-1-released/91847 "2024-09-29T16:40:27Z")

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I've just released @allanoricil/nrg-cli@v1.2.1 In this new version, the following commands were added This new version also enabled the cli to be used globally. Install it now using npm install -g @allanoricil…

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## [Ui\_template disappears when msg.payload input](https://discourse.nodered.org/t/ui-template-disappears-when-msg-payload-input/92042)

<div class="topic-metadata">

**Author:** [@Panda](https://discourse.nodered.org/u/Panda)\
**Replies:** 4\
**Last updated:** [29 September 2024 13:51 UTC](https://discourse.nodered.org/t/ui-template-disappears-when-msg-payload-input/92042 "2024-09-29T13:51:46Z")

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Hey guys, I think the ui\_template is my final boss :sob: I would like to create a template like this: It works quite well so far, but as soon as I send "msg.payload.LWL" or "msg.payload" to the template, it disappe…

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## [Need help with Uni work](https://discourse.nodered.org/t/need-help-with-uni-work/91283)

<div class="topic-metadata">

**Author:** [@nikhil](https://discourse.nodered.org/u/nikhil)\
**Replies:** 20\
**Last updated:** [29 September 2024 12:24 UTC](https://discourse.nodered.org/t/need-help-with-uni-work/91283 "2024-09-29T12:24:29Z")

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Has anyone ever done this, and can guide me on how to do it please

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## [Thoughts on Bun & Deno as replacement runtime](https://discourse.nodered.org/t/thoughts-on-bun-deno-as-replacement-runtime/91917)

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**Author:** [@kansaandre](https://discourse.nodered.org/u/kansaandre)\
**Replies:** 2\
**Last updated:** [29 September 2024 10:51 UTC](https://discourse.nodered.org/t/thoughts-on-bun-deno-as-replacement-runtime/91917 "2024-09-29T10:51:42Z")

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Wondering if you guys have thought about and maybe used Bun or Deno as runtimes for node-red?

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## [Minimize breaking changes](https://discourse.nodered.org/t/minimize-breaking-changes/91265)

<div class="topic-metadata">

**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 32\
**Last updated:** [29 September 2024 09:54 UTC](https://discourse.nodered.org/t/minimize-breaking-changes/91265 "2024-09-29T09:54:10Z")

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As an industrial user, it is a big hassle to have breaking changes from the software. Whenever there is a breaking change from software version upgrade that makes current flow non-functional, then the team has to go thr…

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## [Updating things and what I'm seeing](https://discourse.nodered.org/t/updating-things-and-what-im-seeing/91926)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [29 September 2024 09:07 UTC](https://discourse.nodered.org/t/updating-things-and-what-im-seeing/91926 "2024-09-29T09:07:31Z")

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From my other thread: Stuck with how to resolve this problem (Global context testing) - #22 by Trying\_to\_learn @TotallyInformation sudo apt update && sudo apt upgrade sudo npm -g update cd ~/.node-red npm update You…

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## [LOGO8 \> Homeassistant Temperature measurement](https://discourse.nodered.org/t/logo8-homeassistant-temperature-measurement/92046)

<div class="topic-metadata">

**Author:** [@Steff6666](https://discourse.nodered.org/u/Steff6666)\
**Replies:** 0\
**Last updated:** [29 September 2024 08:49 UTC](https://discourse.nodered.org/t/logo8-homeassistant-temperature-measurement/92046 "2024-09-29T08:49:21Z")

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I am connecting my home assistant to my Logo8 that is located in my garage. Mainly I use the PLC for heating of the garage and measure both outside and inside temperature. Now I want to see the the temperatures as histor…

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