# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=15

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

**Page:** 16

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## [Some thoughts for people who like \`function\` nodes and coding](https://discourse.nodered.org/t/some-thoughts-for-people-who-like-function-nodes-and-coding/99687)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 36\
**Last updated:** [9 January 2026 01:52 UTC](https://discourse.nodered.org/t/some-thoughts-for-people-who-like-function-nodes-and-coding/99687 "2026-01-09T01:52:14Z")

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Hey folks. I know it has been sort of mentioned before in this tread But I think this is a bit of a different perspective on it. I am still very new to all this and some stuff I am seeing/learning these days is still…

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## [name.toLowerCase is not a functiom](https://discourse.nodered.org/t/name-tolowercase-is-not-a-functiom/100120)

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**Author:** [@ZainH](https://discourse.nodered.org/u/ZainH)\
**Replies:** 3\
**Last updated:** [9 January 2026 01:15 UTC](https://discourse.nodered.org/t/name-tolowercase-is-not-a-functiom/100120 "2026-01-09T01:15:35Z")

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please help. i am trying to get the access token with a http request (post) and the msg.payload has the cfedentials, but I get the error below my flow My credentials the error error name: "TypeError" message: "na…

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## [How to use Send NMEA2000 to output PGN 127505 (Fluid Level)](https://discourse.nodered.org/t/how-to-use-send-nmea2000-to-output-pgn-127505-fluid-level/100068)

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**Author:** [@geoffschultz](https://discourse.nodered.org/u/geoffschultz)\
**Replies:** 4\
**Last updated:** [8 January 2026 14:25 UTC](https://discourse.nodered.org/t/how-to-use-send-nmea2000-to-output-pgn-127505-fluid-level/100068 "2026-01-08T14:25:21Z")

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I am new to Signal-K and Node-Red, so please excuse me if this is obvious to more experienced users. I have a Victron Cerbo running Signal-K and Node-Red. I have ultrasonic fluid transducers that provide highly varying…

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## [Syntax Error JsNata](https://discourse.nodered.org/t/syntax-error-jsnata/100105)

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**Author:** [@Olmuk](https://discourse.nodered.org/u/Olmuk)\
**Replies:** 15\
**Last updated:** [8 January 2026 11:15 UTC](https://discourse.nodered.org/t/syntax-error-jsnata/100105 "2026-01-08T11:15:32Z")

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Hi, i am trying to separate data from a json. With the change node i always have an syntax error. What did i wrong ? Any idea - thx for your help Olmuk

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## [OAuth2 for the first time](https://discourse.nodered.org/t/oauth2-for-the-first-time/100023)

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**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 6\
**Last updated:** [8 January 2026 08:09 UTC](https://discourse.nodered.org/t/oauth2-for-the-first-time/100023 "2026-01-08T08:09:42Z")

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I have used simple REST APIs in the past without authentication, and I am trying to wrap my head around OAuth2. The API I want to use is not Google. I have seen a few oauth2 nodes for node-red that implement the authori…

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## [UI save button disabled\_cannot edit UI dashboard](https://discourse.nodered.org/t/ui-save-button-disabled-cannot-edit-ui-dashboard/100022)

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**Author:** [@arcana](https://discourse.nodered.org/u/arcana)\
**Replies:** 3\
**Last updated:** [7 January 2026 15:13 UTC](https://discourse.nodered.org/t/ui-save-button-disabled-cannot-edit-ui-dashboard/100022 "2026-01-07T15:13:14Z")

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Hai, anyone experience the save button "in edit mode" dashboard 2.0 disablled, after doing some drag the save button disabled. I cannot save my grid arrangement

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## [Feature Request? If a flow has unknown nodes, is disabled, do not stop all flows?](https://discourse.nodered.org/t/feature-request-if-a-flow-has-unknown-nodes-is-disabled-do-not-stop-all-flows/100053)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 3\
**Last updated:** [7 January 2026 09:57 UTC](https://discourse.nodered.org/t/feature-request-if-a-flow-has-unknown-nodes-is-disabled-do-not-stop-all-flows/100053 "2026-01-07T09:57:13Z")

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Feature Request? If a flow has unknown nodes, is disabled, do not stop all flows? I am in the process of updating some very old flows, which of course used old native dashboard. So I get the applicable 'unknown' nodes…

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## [Update Google Home with Led Brightness from Node red](https://discourse.nodered.org/t/update-google-home-with-led-brightness-from-node-red/100102)

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**Author:** [@axel-GB](https://discourse.nodered.org/u/axel-GB)\
**Replies:** 1\
**Last updated:** [6 January 2026 17:13 UTC](https://discourse.nodered.org/t/update-google-home-with-led-brightness-from-node-red/100102 "2026-01-06T17:13:38Z")

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Everything works fine, except for the notification in Google that the bulb's brightness has changed, e.g., controlled by HomeAssistant. I can't send a notification to Google with the new brightness value. Please Help! …

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## [contrib-easybotics-vl53l0x](https://discourse.nodered.org/t/contrib-easybotics-vl53l0x/100097)

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**Author:** [@Roman2809](https://discourse.nodered.org/u/Roman2809)\
**Replies:** 6\
**Last updated:** [6 January 2026 16:53 UTC](https://discourse.nodered.org/t/contrib-easybotics-vl53l0x/100097 "2026-01-06T16:53:53Z")

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Hello, I'm using several VL53L0X sensors. They are switched individually via the XShut without any problems. I start the node with an injection interval (pollstart), but I need to switch the node back to pollstop when…

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## [What should 'Restart Flows' do?](https://discourse.nodered.org/t/what-should-restart-flows-do/100066)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 24\
**Last updated:** [6 January 2026 16:48 UTC](https://discourse.nodered.org/t/what-should-restart-flows-do/100066 "2026-01-06T16:48:44Z")

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Under the dropdown on the Deploy button is a Restart Flows option. I had always assumed that, in terms of flow operation, this was effectively the same as restarting node-red. It seems not however. For example it does …

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## [Write to file node doesn't use msg.filename by default?](https://discourse.nodered.org/t/write-to-file-node-doesnt-use-msg-filename-by-default/100099)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 9\
**Last updated:** [6 January 2026 15:29 UTC](https://discourse.nodered.org/t/write-to-file-node-doesnt-use-msg-filename-by-default/100099 "2026-01-06T15:29:30Z")

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I am using built-in 'write file node' a lot, but it's set up automatically in a subflow. Needed to write some test data so used it manually. However it's been a while and I forgot the details of how it was used. Looking …

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## [Not able to mosquitto port](https://discourse.nodered.org/t/not-able-to-mosquitto-port/100093)

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**Author:** [@cliffwyl](https://discourse.nodered.org/u/cliffwyl)\
**Replies:** 2\
**Last updated:** [6 January 2026 10:35 UTC](https://discourse.nodered.org/t/not-able-to-mosquitto-port/100093 "2026-01-06T10:35:09Z")

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Mosquitto broker wont allow broke port to be changed to suit nodered

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## [Cannot add nodes or see my flows](https://discourse.nodered.org/t/cannot-add-nodes-or-see-my-flows/100095)

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**Author:** [@macmele](https://discourse.nodered.org/u/macmele)\
**Replies:** 2\
**Last updated:** [6 January 2026 09:39 UTC](https://discourse.nodered.org/t/cannot-add-nodes-or-see-my-flows/100095 "2026-01-06T09:39:46Z")

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Hi all, I have an issue here I cannot see my flows or add nodes to my workspace. More information is in the screenshot, I wil really appreciate your assistance.

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## [State value to set for "s7.1.DBs.DB1.\_2\_0" has to be type "boolean" but received type "string"](https://discourse.nodered.org/t/state-value-to-set-for-s7-1-dbs-db1-2-0-has-to-be-type-boolean-but-received-type-string/100089)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 2\
**Last updated:** [5 January 2026 22:12 UTC](https://discourse.nodered.org/t/state-value-to-set-for-s7-1-dbs-db1-2-0-has-to-be-type-boolean-but-received-type-string/100089 "2026-01-05T22:12:29Z")

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Hi everyone, I’m sending an initialization from Node-RED to ioBroker for a Siemens LOGO. The initialization is sent, but I keep getting this error: State value to set for "s7.1.DBs.DB1.\_2\_0" has to be type "boolean" bu…

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## [UK Private Weather Station Locations](https://discourse.nodered.org/t/uk-private-weather-station-locations/100087)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 1\
**Last updated:** [5 January 2026 09:35 UTC](https://discourse.nodered.org/t/uk-private-weather-station-locations/100087 "2026-01-05T09:35:23Z")

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Today the best way to find your nearest weather station data is via the map at https://wow.metoffice.gov.uk/. This page is being retired; the blog post about it says: After more than a decade of supporting crowd-sourc…

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## [Why is my function text looking like this?](https://discourse.nodered.org/t/why-is-my-function-text-looking-like-this/100085)

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**Author:** [@Suso](https://discourse.nodered.org/u/Suso)\
**Replies:** 3\
**Last updated:** [4 January 2026 23:54 UTC](https://discourse.nodered.org/t/why-is-my-function-text-looking-like-this/100085 "2026-01-04T23:54:11Z")

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Hi. I don´t know what happened but when i try to edit my functions the indent of the text is weird. I am using the last version of node-red in windows 11, i tried in 2 different pcs an with chrome, firefox and brave…

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## [Continue flow after mail queuing](https://discourse.nodered.org/t/continue-flow-after-mail-queuing/100080)

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**Author:** [@beatstieger](https://discourse.nodered.org/u/beatstieger)\
**Replies:** 9\
**Last updated:** [4 January 2026 12:26 UTC](https://discourse.nodered.org/t/continue-flow-after-mail-queuing/100080 "2026-01-04T12:26:45Z")

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Using node-red-node-email, I need to wait till the mail has been successfully accepted by the mta bevor continuing my flow. As the sending node seems not allow to continue flows, I tried using the status node as workarou…

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## [Split should send complete message once all has been split](https://discourse.nodered.org/t/split-should-send-complete-message-once-all-has-been-split/100069)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 27\
**Last updated:** [3 January 2026 20:48 UTC](https://discourse.nodered.org/t/split-should-send-complete-message-once-all-has-been-split/100069 "2026-01-03T20:48:24Z")

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Hi there, The following flow is a filter and collect flow - I have 10 things, I want 5 buckets of 2 - how do I do this? Using the split node, I can divide by 10 things into ten times 1 thing, then using switch, I can i…

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## [Node-red-matter-controller & Tado X thermostat](https://discourse.nodered.org/t/node-red-matter-controller-tado-x-thermostat/100077)

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**Author:** [@PdeJ](https://discourse.nodered.org/u/PdeJ)\
**Replies:** 8\
**Last updated:** [3 January 2026 16:33 UTC](https://discourse.nodered.org/t/node-red-matter-controller-tado-x-thermostat/100077 "2026-01-03T16:33:30Z")

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Sitting on my WiFi network I now have a Tado X Thermostat Starter Kit, which incorporates a thread border router, connecting to its remote thermostat via matter-over-thread. Rather than depending on the cloud and the Tad…

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## [Example of customising a ui-chart pie chart via msg.ui\_update](https://discourse.nodered.org/t/example-of-customising-a-ui-chart-pie-chart-via-msg-ui-update/100073)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 1\
**Last updated:** [3 January 2026 15:54 UTC](https://discourse.nodered.org/t/example-of-customising-a-ui-chart-pie-chart-via-msg-ui-update/100073 "2026-01-03T15:54:05Z")

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This flow shows some examples of using msg.ui\_update to change the appearance of a pie chart. Available options are listed at https://echarts.apache.org/en/option.html Caveats It is not intended as a tool to des…

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## [Display tooltip as label on switch node](https://discourse.nodered.org/t/display-tooltip-as-label-on-switch-node/100072)

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**Author:** [@zfox](https://discourse.nodered.org/u/zfox)\
**Replies:** 4\
**Last updated:** [3 January 2026 06:24 UTC](https://discourse.nodered.org/t/display-tooltip-as-label-on-switch-node/100072 "2026-01-03T06:24:51Z")

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I want to show the tooltips/output names/conditons on the switch node as a label. Visual example: How can this be achieved in the GUI Editor?

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## [Detect error in msg.payload](https://discourse.nodered.org/t/detect-error-in-msg-payload/100057)

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**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 7\
**Last updated:** [2 January 2026 11:44 UTC](https://discourse.nodered.org/t/detect-error-in-msg-payload/100057 "2026-01-02T11:44:12Z")

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Hi! My heatpump is occasionally busy. The node (luxtronic) then reports (according to Debug) an error msg.payload : error { name: "Error", message: "heatpump busy - state: 1", stack: "Error: heatpump busy - state: …" }…

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## [Another set of eyes on this "routine" please](https://discourse.nodered.org/t/another-set-of-eyes-on-this-routine-please/100063)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [1 January 2026 08:37 UTC](https://discourse.nodered.org/t/another-set-of-eyes-on-this-routine-please/100063 "2026-01-01T08:37:34Z")

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No foreign nodes. Scope: I have a NAS (that is not always on). When it is, I want to backup (via rsync to the NAS. Not repeatedly. Maybe just once per it being turned on. (The NAS) Walkthrough of the code seen: hea…

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## [Need to connect with oracle 9i](https://discourse.nodered.org/t/need-to-connect-with-oracle-9i/100058)

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**Author:** [@redodistira](https://discourse.nodered.org/u/redodistira)\
**Replies:** 3\
**Last updated:** [1 January 2026 00:17 UTC](https://discourse.nodered.org/t/need-to-connect-with-oracle-9i/100058 "2026-01-01T00:17:20Z")

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Hi, I need to connect oracle 9i with jdbc connection. I was try to install node-red-contrib-jdbc but failed with log npm WARN deprecated inflight@1.0.6: This module is not supported, and leaks memory. Do not use it. Che…

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## [Stuck with how to parse weather information in \`function\` node](https://discourse.nodered.org/t/stuck-with-how-to-parse-weather-information-in-function-node/100059)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [31 December 2025 22:06 UTC](https://discourse.nodered.org/t/stuck-with-how-to-parse-weather-information-in-function-node/100059 "2025-12-31T22:06:11Z")

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Folks, I am a bit stuck with how to get something done with a message. I am using the openweather node to get the weather and detect if it is RAINING NOW and how much. The information is in msg.payload.rain and there i…

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## [Stuck on adding RFXcom on a second Pi - permission denied](https://discourse.nodered.org/t/stuck-on-adding-rfxcom-on-a-second-pi-permission-denied/100041)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 6\
**Last updated:** [31 December 2025 20:03 UTC](https://discourse.nodered.org/t/stuck-on-adding-rfxcom-on-a-second-pi-permission-denied/100041 "2025-12-31T20:03:03Z")

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I am trying to add an RFXtrx to a Pi that hasn't had one before. But I keep getting this: \[rfxcom\] on /dev/ttyUSB0 - Error: Permission denied, cannot open /dev/ttyUSB0 This is my Docker Compose file: services: node-…

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## [UIBuilder 7.5.0 and unknown uib-element](https://discourse.nodered.org/t/uibuilder-7-5-0-and-unknown-uib-element/100056)

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**Author:** [@hugorifbjerg](https://discourse.nodered.org/u/hugorifbjerg)\
**Replies:** 11\
**Last updated:** [31 December 2025 17:10 UTC](https://discourse.nodered.org/t/uibuilder-7-5-0-and-unknown-uib-element/100056 "2025-12-31T17:10:21Z")

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Hi, I am using Node RED 4.1.2, with UIBuilder 7.5.0. When I import the no-code-examples I an message about uib-element is unknown. How do I fix that? Best regards, Hugo

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## [Help: PDF to PNG](https://discourse.nodered.org/t/help-pdf-to-png/100054)

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**Author:** [@leftymuller](https://discourse.nodered.org/u/leftymuller)\
**Replies:** 0\
**Last updated:** [31 December 2025 07:57 UTC](https://discourse.nodered.org/t/help-pdf-to-png/100054 "2025-12-31T07:57:52Z")

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G;day Gents, Been trying to use PDF to PNG node @martip/node-red-pdf-to-png It seems that the PDF to PNG node is not doing what its suppose to? the payload should contain a base64 PNG file of the PDF which its not.…

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## [Execute systemctl commands from nodered on remote system?](https://discourse.nodered.org/t/execute-systemctl-commands-from-nodered-on-remote-system/100044)

<div class="topic-metadata">

**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\
**Replies:** 5\
**Last updated:** [31 December 2025 01:46 UTC](https://discourse.nodered.org/t/execute-systemctl-commands-from-nodered-on-remote-system/100044 "2025-12-31T01:46:28Z")

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Execute systemctl commands from nodered on remote system? Since I am not running NR under root context, trying to find ways to do this. For example via exec node: $ sudo systemctl --host=nodered@192.168.1.251 restart …

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## [Hi need a bit of guidance](https://discourse.nodered.org/t/hi-need-a-bit-of-guidance/100043)

<div class="topic-metadata">

**Author:** [@montyfert](https://discourse.nodered.org/u/montyfert)\
**Replies:** 2\
**Last updated:** [29 December 2025 22:04 UTC](https://discourse.nodered.org/t/hi-need-a-bit-of-guidance/100043 "2025-12-29T22:04:15Z")

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i have a switch node that outputs either true or false . when it outputs true i want it to publish (cmnd/tasmota\_dht11/TelePeriod 10) and when it outputs false i want it to publish )cmnd/tasmota\_dht11/TelePeriod 40) m…

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