# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=32

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

**Page:** 33

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## [Node-red-contrib-tapo-new-api Handshake error 421](https://discourse.nodered.org/t/node-red-contrib-tapo-new-api-handshake-error-421/98101)

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**Author:** [@jocwoll](https://discourse.nodered.org/u/jocwoll)\
**Replies:** 0\
**Last updated:** [12 July 2025 15:56 UTC](https://discourse.nodered.org/t/node-red-contrib-tapo-new-api-handshake-error-421/98101 "2025-07-12T15:56:19Z")

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Hello, can anyone confirm that Tapo P110 HW1.0 with firmware 1.3.1 or newer is working with node-red-contrib-tapo-new-api. I always get a handshake error 421. I as well configured my older Tapo P110s to not update fir…

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## [Datepicker for Dashboard 2.0](https://discourse.nodered.org/t/datepicker-for-dashboard-2-0/98095)

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**Author:** [@tsuratolya](https://discourse.nodered.org/u/tsuratolya)\
**Replies:** 1\
**Last updated:** [12 July 2025 06:39 UTC](https://discourse.nodered.org/t/datepicker-for-dashboard-2-0/98095 "2025-07-12T06:39:56Z")

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Hello. I want to make a datepicker using the template node for Dashboard 2.0. It doesn't lead to debug. Who has done this or maybe there is a ready node for Dashboard 2.0? \[ { "id": "7bdf60739e7e5351", …

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## [How to change node Pallette text to bold](https://discourse.nodered.org/t/how-to-change-node-pallette-text-to-bold/98078)

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**Author:** [@Bluey](https://discourse.nodered.org/u/Bluey)\
**Replies:** 7\
**Last updated:** [11 July 2025 12:51 UTC](https://discourse.nodered.org/t/how-to-change-node-pallette-text-to-bold/98078 "2025-07-11T12:51:32Z")

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How can I change the node pallette text to bold?

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## [Source Code Line Wrap](https://discourse.nodered.org/t/source-code-line-wrap/97916)

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**Author:** [@Janvi](https://discourse.nodered.org/u/Janvi)\
**Replies:** 27\
**Last updated:** [11 July 2025 10:01 UTC](https://discourse.nodered.org/t/source-code-line-wrap/97916 "2025-07-11T10:01:30Z")

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Sorry for asking JS related matters again. Up on now, I use the NodeRed editor. The features are not thrilling, but it is doing its job for simple node related code snippets. Mainly, my concern is to keep all source li…

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## [Node vs Subflow Node implementation research](https://discourse.nodered.org/t/node-vs-subflow-node-implementation-research/98012)

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**Author:** [@AllanOricil](https://discourse.nodered.org/u/AllanOricil)\
**Replies:** 25\
**Last updated:** [11 July 2025 06:14 UTC](https://discourse.nodered.org/t/node-vs-subflow-node-implementation-research/98012 "2025-07-11T06:14:09Z")

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Has anybody done research to compare resource usage when creating nodes using subflows vs writing the same functionality using a single node using js? I'm wondering if it's possible to estimate the performance improveme…

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## [Input boolean in HA](https://discourse.nodered.org/t/input-boolean-in-ha/98072)

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**Author:** [@bobdion](https://discourse.nodered.org/u/bobdion)\
**Replies:** 1\
**Last updated:** [10 July 2025 14:29 UTC](https://discourse.nodered.org/t/input-boolean-in-ha/98072 "2025-07-10T14:29:46Z")

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Hi it seem very easy but i got trouble how to find out how to do it i have created an input\_boolean in HA for a blink doorbell. The only way i found how to intercept the doorbell press, is to create a routine in alexa …

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## [YAML Config Files](https://discourse.nodered.org/t/yaml-config-files/98060)

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**Author:** [@carter142](https://discourse.nodered.org/u/carter142)\
**Replies:** 6\
**Last updated:** [9 July 2025 22:13 UTC](https://discourse.nodered.org/t/yaml-config-files/98060 "2025-07-09T22:13:15Z")

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Very new to Node-Red, I've been given a flow to import which is accompanied by a config.yaml file. I've been instructed to ensure node-red can access this file but cannot find any clear instructions on how to do this. An…

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## [Does Node-RED have any plans to only include nodes in the pallette that have pre-built binaries?](https://discourse.nodered.org/t/does-node-red-have-any-plans-to-only-include-nodes-in-the-pallette-that-have-pre-built-binaries/98047)

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**Author:** [@malee](https://discourse.nodered.org/u/malee)\
**Replies:** 7\
**Last updated:** [9 July 2025 13:07 UTC](https://discourse.nodered.org/t/does-node-red-have-any-plans-to-only-include-nodes-in-the-pallette-that-have-pre-built-binaries/98047 "2025-07-09T13:07:04Z")

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This is just a question I have been considering? The build chain for node-gyp involves python, make and g++ (or even build-essential). Adding these components to a runtime image for some Linux VMs seems to introduce a …

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## [Serial port COM4 error: Error: Opening COM4: File not found - 2](https://discourse.nodered.org/t/serial-port-com4-error-error-opening-com4-file-not-found-2/97948)

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**Author:** [@rhhollin](https://discourse.nodered.org/u/rhhollin)\
**Replies:** 7\
**Last updated:** [9 July 2025 04:57 UTC](https://discourse.nodered.org/t/serial-port-com4-error-error-opening-com4-file-not-found-2/97948 "2025-07-09T04:57:59Z")

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There was a post of the same name in Aug 2021 regarding a problem in accessing COM4 on a Windows PC. In that case, the issue turned out to be that the COM port was already being used by an Arduino node and was thus not a…

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## [Building a dynamic msg.topic to create a mysql insert statement](https://discourse.nodered.org/t/building-a-dynamic-msg-topic-to-create-a-mysql-insert-statement/98024)

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**Author:** [@fogmajor](https://discourse.nodered.org/u/fogmajor)\
**Replies:** 17\
**Last updated:** [8 July 2025 14:44 UTC](https://discourse.nodered.org/t/building-a-dynamic-msg-topic-to-create-a-mysql-insert-statement/98024 "2025-07-08T14:44:52Z")

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Good Morning I wondered if i could get a point in the right direction please. Kind Regards Andrew I created a flow (pic attached) the inject node sends a mysql statement and inserts data as expected. msg.topic = …

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## [Exporting installed Palette Nodes](https://discourse.nodered.org/t/exporting-installed-palette-nodes/98015)

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**Author:** [@larkingabout](https://discourse.nodered.org/u/larkingabout)\
**Replies:** 2\
**Last updated:** [7 July 2025 22:28 UTC](https://discourse.nodered.org/t/exporting-installed-palette-nodes/98015 "2025-07-07T22:28:10Z")

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I have a node red system installed on a raspberry pi-0-w running a very old o/s, Its been recommended that i re-install an upto date os etc, I am installing onto a 2nd pi while the original system continues to run, and…

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## [Change node value issue](https://discourse.nodered.org/t/change-node-value-issue/97995)

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**Author:** [@fogmajor](https://discourse.nodered.org/u/fogmajor)\
**Replies:** 24\
**Last updated:** [7 July 2025 14:30 UTC](https://discourse.nodered.org/t/change-node-value-issue/97995 "2025-07-07T14:30:02Z")

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Hello and Good evening I have a change node with 6 items I pass it a string "10" and change the output to Input 1 triggered I pass it a string "20" and change the output to Input 2 triggered I pass it "100" and it …

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## [Newbie question: take action at specific time](https://discourse.nodered.org/t/newbie-question-take-action-at-specific-time/97994)

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**Author:** [@johanvh83](https://discourse.nodered.org/u/johanvh83)\
**Replies:** 9\
**Last updated:** [6 July 2025 13:43 UTC](https://discourse.nodered.org/t/newbie-question-take-action-at-specific-time/97994 "2025-07-06T13:43:42Z")

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My flow: \[{"id":"9cd9fa2d0d2e7202","type":"tab","label":"Flow 1","disabled":false,"info":"","env":\[\]},{"id":"13d41ac132368021","type":"server-state-changed","z":"9cd9fa2d0d2e7202","name":"Switch on?","server":"c74ca316.…

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## [Neo-pixel LED, heart beat. Help](https://discourse.nodered.org/t/neo-pixel-led-heart-beat-help/97990)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [6 July 2025 09:20 UTC](https://discourse.nodered.org/t/neo-pixel-led-heart-beat-help/97990 "2025-07-06T09:20:04Z")

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Folks, I have a Neo-Pixel LED and want it to blink like a heart beat. Just wondering if anyone has any ideas on how to do it.

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## [Binary values in inject node](https://discourse.nodered.org/t/binary-values-in-inject-node/97986)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 2\
**Last updated:** [6 July 2025 07:32 UTC](https://discourse.nodered.org/t/binary-values-in-inject-node/97986 "2025-07-06T07:32:52Z")

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Hi There, I'm just playing around with @cymplecy inhouse mqtt broker and came across the switch at the front which contains binary and hexadecimal values in a number field: When I use an inject node to generate thos…

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## [Setting up OIDC with Authentik gives SyntaxError: Unexpected token --\> not valid JSON](https://discourse.nodered.org/t/setting-up-oidc-with-authentik-gives-syntaxerror-unexpected-token-not-valid-json/97981)

<div class="topic-metadata">

**Author:** [@gmag11](https://discourse.nodered.org/u/gmag11)\
**Replies:** 1\
**Last updated:** [5 July 2025 12:22 UTC](https://discourse.nodered.org/t/setting-up-oidc-with-authentik-gives-syntaxerror-unexpected-token-not-valid-json/97981 "2025-07-05T12:22:24Z")

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Hi, I have a node-red 4.0.9 instance running in a docker container. I am trying to setup OIDC login with Authentik, which is working fine with other services. I follower the guide in Authentik site: Integrate with Node…

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## [Gauge w/ fixed format display](https://discourse.nodered.org/t/gauge-w-fixed-format-display/97813)

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**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 13\
**Last updated:** [5 July 2025 08:13 UTC](https://discourse.nodered.org/t/gauge-w-fixed-format-display/97813 "2025-07-05T08:13:23Z")

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Hi! I can't find it: Gauge gets a number, like 19.234 , 19.29 or just 19. I want to display 19.2 , 19.3 19.0 . I can round but then 19.0 is rendered as 19. What's the simple trick I just do not see? This must be a co…

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## [Possible to Check the CPU Load or Network Load?](https://discourse.nodered.org/t/possible-to-check-the-cpu-load-or-network-load/97872)

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**Author:** [@DaVizzey](https://discourse.nodered.org/u/DaVizzey)\
**Replies:** 7\
**Last updated:** [5 July 2025 03:15 UTC](https://discourse.nodered.org/t/possible-to-check-the-cpu-load-or-network-load/97872 "2025-07-05T03:15:29Z")

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Hi! I'm currently troubleshooting a project, We got a Bosch Rexroth PLC With Node-RED running on it, Now there is some issues with a Ethernet/IP TCP Device, The issue is that Very Irregularily a message to/from the De…

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## [Migrating data from sql server to postgre](https://discourse.nodered.org/t/migrating-data-from-sql-server-to-postgre/97874)

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**Author:** [@kesmad](https://discourse.nodered.org/u/kesmad)\
**Replies:** 5\
**Last updated:** [1 July 2025 12:47 UTC](https://discourse.nodered.org/t/migrating-data-from-sql-server-to-postgre/97874 "2025-07-01T12:47:12Z")

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Hi Team, i have tried migrating data from sql server to postgre. i have succeeded in it but could not load bulk loads like more than 4 million records data in 4 tables( each 1million).I ahve increased heap size too. Co…

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## [SolarMD - Logger upgrade firmware causes all flows to fail](https://discourse.nodered.org/t/solarmd-logger-upgrade-firmware-causes-all-flows-to-fail/97903)

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**Author:** [@fritserasmus](https://discourse.nodered.org/u/fritserasmus)\
**Replies:** 14\
**Last updated:** [4 July 2025 15:12 UTC](https://discourse.nodered.org/t/solarmd-logger-upgrade-firmware-causes-all-flows-to-fail/97903 "2025-07-04T15:12:52Z")

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I have multiple flows that reads many MQTT feeds. My LoggerV2 for SolarMD recently received a firmware update and I just cannot get messages from this topic. The payload: Blockquote solarmd/ES Control Service/SMDBEX…

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## [Global variable retention after deployment](https://discourse.nodered.org/t/global-variable-retention-after-deployment/97958)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 4\
**Last updated:** [4 July 2025 11:23 UTC](https://discourse.nodered.org/t/global-variable-retention-after-deployment/97958 "2025-07-04T11:23:54Z")

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Hi Out of interest are global variable values retained when you hit the deploy button in nodered for a full deployment? Are the values only forgotten if the instance of nodered is restarted (e.g computer reboot?)

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## [Ftps with self signed certificate](https://discourse.nodered.org/t/ftps-with-self-signed-certificate/97939)

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**Author:** [@remsfn](https://discourse.nodered.org/u/remsfn)\
**Replies:** 1\
**Last updated:** [4 July 2025 08:28 UTC](https://discourse.nodered.org/t/ftps-with-self-signed-certificate/97939 "2025-07-04T08:28:08Z")

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Hi, i am using nodered-contrib-ftp-client to send files to ftps server. This server use selfsigned certificate. This is returning an 'Error: self-signed certificate". how to solve that ? Here is a test exemple: \[ …

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## [Suggested improvement to flow readability](https://discourse.nodered.org/t/suggested-improvement-to-flow-readability/97933)

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**Author:** [@scadabob](https://discourse.nodered.org/u/scadabob)\
**Replies:** 11\
**Last updated:** [4 July 2025 08:12 UTC](https://discourse.nodered.org/t/suggested-improvement-to-flow-readability/97933 "2025-07-04T08:12:10Z")

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Hi all as a complete beginner to node-red it has occurred to me that when trying to read a flow from left to right that if when you hover over a node a drop down would appear and show the action of that node also and ver…

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## [Strange crash after start](https://discourse.nodered.org/t/strange-crash-after-start/97955)

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**Author:** [@mauzil](https://discourse.nodered.org/u/mauzil)\
**Replies:** 1\
**Last updated:** [4 July 2025 08:05 UTC](https://discourse.nodered.org/t/strange-crash-after-start/97955 "2025-07-04T08:05:15Z")

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Hi all. After some minutes from start NR crash showing this exception This is all logs from the begin. I run nodered from a user shell \[mauro@artixvm ~\]$ node-red 4 Jul 06:52:26 - \[info\] Welcome to Node-RED ========…

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## [Node to wait for human validation](https://discourse.nodered.org/t/node-to-wait-for-human-validation/97928)

<div class="topic-metadata">

**Author:** [@tobiasBora](https://discourse.nodered.org/u/tobiasBora)\
**Replies:** 6\
**Last updated:** [3 July 2025 16:42 UTC](https://discourse.nodered.org/t/node-to-wait-for-human-validation/97928 "2025-07-03T16:42:58Z")

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I often feel the need to add a node in the middle of a flow that forwards the input only if a human manually click on "accept", for instance when you want to add new elements to a database only after a human has checked …

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## [Parametric subflow](https://discourse.nodered.org/t/parametric-subflow/97936)

<div class="topic-metadata">

**Author:** [@mauzil](https://discourse.nodered.org/u/mauzil)\
**Replies:** 1\
**Last updated:** [3 July 2025 15:16 UTC](https://discourse.nodered.org/t/parametric-subflow/97936 "2025-07-03T15:16:58Z")

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Hi all. I'm new to NodeRED. There is a way to define parameters for a subflow? I'working with modbus server to simulate a machine. I need to change a bit value in a word. This is the path for emergency. Emergency…

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## [Editor Node Name Length - OCD Triggering](https://discourse.nodered.org/t/editor-node-name-length-ocd-triggering/97917)

<div class="topic-metadata">

**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\
**Replies:** 4\
**Last updated:** [2 July 2025 16:47 UTC](https://discourse.nodered.org/t/editor-node-name-length-ocd-triggering/97917 "2025-07-02T16:47:47Z")

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I noticed that two nodes had the same label text but were of different sizes, so I did a comparison of all the built-in nodes. As you can see the nodes shown below have the name "All Chart Data", but are shown at two di…

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## [Reading data from an sqlite server base on time and date](https://discourse.nodered.org/t/reading-data-from-an-sqlite-server-base-on-time-and-date/97905)

<div class="topic-metadata">

**Author:** [@Desmond-Zeh](https://discourse.nodered.org/u/Desmond-Zeh)\
**Replies:** 5\
**Last updated:** [2 July 2025 14:02 UTC](https://discourse.nodered.org/t/reading-data-from-an-sqlite-server-base-on-time-and-date/97905 "2025-07-02T14:02:32Z")

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Hello! I am trying to read data from the sqlite server into node-red Dashboard base on time and date. My query aim is to read data of the current day and the previous day with a time difference of 10 minutes between dat…

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## [Node-red-contrib-zigbee. Install failed](https://discourse.nodered.org/t/node-red-contrib-zigbee-install-failed/97806)

<div class="topic-metadata">

**Author:** [@Metallsteinmetz1](https://discourse.nodered.org/u/Metallsteinmetz1)\
**Replies:** 2\
**Last updated:** [2 July 2025 13:45 UTC](https://discourse.nodered.org/t/node-red-contrib-zigbee-install-failed/97806 "2025-07-02T13:45:28Z")

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Hi everyone, i tried to install node-red-contrib-zigbee on my iobroker NodeRed. Install failed by this log. 2025-06-26T09:54:29.658Z Installieren : node-red-contrib-zigbee 0.21.0 2025-06-26T09:54:29.623Z npm install -…

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## [Environment variables not available using docker compose](https://discourse.nodered.org/t/environment-variables-not-available-using-docker-compose/97911)

<div class="topic-metadata">

**Author:** [@bigbean17](https://discourse.nodered.org/u/bigbean17)\
**Replies:** 1\
**Last updated:** [2 July 2025 13:35 UTC](https://discourse.nodered.org/t/environment-variables-not-available-using-docker-compose/97911 "2025-07-02T13:35:20Z")

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Hi all, I'm migrating my Node-RED deployment from systemd to Docker Compose, and I'm running into an issue with environment variables. Previously, when using systemctl, I used an EnvironmentFile=/etc/nodered/.env in my…

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