# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=121

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

**Page:** 122

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## [Problem decoding python3-function node - 'utf-32-le' codec can't decode bytes in position 16-19: code point not in range(0x110000)](https://discourse.nodered.org/t/problem-decoding-python3-function-node-utf-32-le-codec-cant-decode-bytes-in-position-16-19-code-point-not-in-range-0x110000/86729)

<div class="topic-metadata">

**Author:** [@postek1313](https://discourse.nodered.org/u/postek1313)\
**Replies:** 1\
**Last updated:** [25 March 2024 18:01 UTC](https://discourse.nodered.org/t/problem-decoding-python3-function-node-utf-32-le-codec-cant-decode-bytes-in-position-16-19-code-point-not-in-range-0x110000/86729 "2024-03-25T18:01:35Z")

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Hello, I have a problem with executing a task using Python3-function in Node-RED. When using the simplest default Python node, I encounter errors like this: File "C:\\Program Files (x86)\\Python39-32\\lib\\json\\\_\_init\_\_.py…

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## [Double-click stops working in NR using Brave Browser](https://discourse.nodered.org/t/double-click-stops-working-in-nr-using-brave-browser/86730)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 2\
**Last updated:** [25 March 2024 10:38 UTC](https://discourse.nodered.org/t/double-click-stops-working-in-nr-using-brave-browser/86730 "2024-03-25T10:38:25Z")

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This isn't a big issue - just posting in case it's not just me :slight\_smile: I run Vivaldi as main browser but keep my NR editors in separate browser for easy access. Used to be Edge until I switched away from Window…

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## [Please check my HTTP login Flow](https://discourse.nodered.org/t/please-check-my-http-login-flow/86553)

<div class="topic-metadata">

**Author:** [@2shlee](https://discourse.nodered.org/u/2shlee)\
**Replies:** 12\
**Last updated:** [25 March 2024 10:07 UTC](https://discourse.nodered.org/t/please-check-my-http-login-flow/86553 "2024-03-25T10:07:45Z")

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It implements a login function that authenticates users compared to the value of the database. When I run node red and enter id/pw for the first time, it works fine. Compare the values with DB to move on only when they …

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## [How to write a file with a "Byte Order Mark"?](https://discourse.nodered.org/t/how-to-write-a-file-with-a-byte-order-mark/86464)

<div class="topic-metadata">

**Author:** [@Yury](https://discourse.nodered.org/u/Yury)\
**Replies:** 6\
**Last updated:** [25 March 2024 09:51 UTC](https://discourse.nodered.org/t/how-to-write-a-file-with-a-byte-order-mark/86464 "2024-03-25T09:51:31Z")

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Hello. How to use the "file" node to write a file with a "Byte Order Mark" ? Or how to do it using fs.writeFileSync() ? I am grateful in advance.

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## [SQL Select statement returning object name in the result with Node-Red](https://discourse.nodered.org/t/sql-select-statement-returning-object-name-in-the-result-with-node-red/86722)

<div class="topic-metadata">

**Author:** [@richard.vince](https://discourse.nodered.org/u/richard.vince)\
**Replies:** 3\
**Last updated:** [25 March 2024 09:26 UTC](https://discourse.nodered.org/t/sql-select-statement-returning-object-name-in-the-result-with-node-red/86722 "2024-03-25T09:26:14Z")

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Noob here just learning about Node-Red. I have a mysql table with a heap of weather data from my home weather station controlled by a Wemos D1. Its working fine and sending weather data to the Mqqt / Red-node via a JSON…

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## [Data inject to AWS timestream from nodered](https://discourse.nodered.org/t/data-inject-to-aws-timestream-from-nodered/86727)

<div class="topic-metadata">

**Author:** [@sumeer](https://discourse.nodered.org/u/sumeer)\
**Replies:** 0\
**Last updated:** [25 March 2024 07:39 UTC](https://discourse.nodered.org/t/data-inject-to-aws-timestream-from-nodered/86727 "2024-03-25T07:39:23Z")

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I want to inject mqtt data to aws timestream database. Multi measure

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## [Queue-gate (q-gate) question](https://discourse.nodered.org/t/queue-gate-q-gate-question/86576)

<div class="topic-metadata">

**Author:** [@jf64](https://discourse.nodered.org/u/jf64)\
**Replies:** 28\
**Last updated:** [24 March 2024 18:25 UTC](https://discourse.nodered.org/t/queue-gate-q-gate-question/86576 "2024-03-24T18:25:59Z")

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Hi All, Currently I'm facing an issue with queue-gate (AKA node-red-contrib-queue-gate, q-gate) and I hope the problem is already solved by some of you... There is an example with picture at the page of the node: Retai…

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## [Encountering "JavaScript heap out of memory" and Other Issues with Node-RED](https://discourse.nodered.org/t/encountering-javascript-heap-out-of-memory-and-other-issues-with-node-red/86708)

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**Author:** [@KittisakC](https://discourse.nodered.org/u/KittisakC)\
**Replies:** 2\
**Last updated:** [24 March 2024 16:19 UTC](https://discourse.nodered.org/t/encountering-javascript-heap-out-of-memory-and-other-issues-with-node-red/86708 "2024-03-24T16:19:24Z")

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Hello Node-RED Community, I've been encountering a "JavaScript heap out of memory" error in my Node-RED environment. This suggests that my flows might be processing too much data at once or possibly have a memory leak. …

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## [Victron GX Relay MPPT nodes](https://discourse.nodered.org/t/victron-gx-relay-mppt-nodes/86711)

<div class="topic-metadata">

**Author:** [@Sammerdan](https://discourse.nodered.org/u/Sammerdan)\
**Replies:** 6\
**Last updated:** [24 March 2024 16:18 UTC](https://discourse.nodered.org/t/victron-gx-relay-mppt-nodes/86711 "2024-03-24T16:18:43Z")

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Trying hard to achieve the Next: Have got 4 nodes: MPPT AC-In Battery SoC Relay node. What I want: MPPT gives over 200W for 2 minutes: Relay turns on. condition: Battery needs to above 80%. If Battery gets below…

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## [Restart loop after a mistyped IP address](https://discourse.nodered.org/t/restart-loop-after-a-mistyped-ip-address/86702)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 5\
**Last updated:** [24 March 2024 09:19 UTC](https://discourse.nodered.org/t/restart-loop-after-a-mistyped-ip-address/86702 "2024-03-24T09:19:32Z")

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I am not sure if this is known issue or not. I am integrating Gree AC units in NR and in the device configuration I accidently mistyped the ip to 192.1680.249. Missed the dot after 168. This causes a reboot loop in Node…

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## [Node-red in Linux os unable to control Raspberry pi 4B GPIO](https://discourse.nodered.org/t/node-red-in-linux-os-unable-to-control-raspberry-pi-4b-gpio/86528)

<div class="topic-metadata">

**Author:** [@Henry8](https://discourse.nodered.org/u/Henry8)\
**Replies:** 14\
**Last updated:** [24 March 2024 08:57 UTC](https://discourse.nodered.org/t/node-red-in-linux-os-unable-to-control-raspberry-pi-4b-gpio/86528 "2024-03-24T08:57:18Z")

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Hi Guys! I'm new to Node-red, currently i'm doing a project that need to use raspberry pi 4b gpio pin. However, when i used "node-red-node-pi-gpio" rpi-gpio-out node, it said not available. And I don't know how to contr…

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## [MongoDB access using function nodes, not MongoDB nodes](https://discourse.nodered.org/t/mongodb-access-using-function-nodes-not-mongodb-nodes/86645)

<div class="topic-metadata">

**Author:** [@chrisofCCL](https://discourse.nodered.org/u/chrisofCCL)\
**Replies:** 10\
**Last updated:** [23 March 2024 23:38 UTC](https://discourse.nodered.org/t/mongodb-access-using-function-nodes-not-mongodb-nodes/86645 "2024-03-23T23:38:46Z")

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I'm deploying a node-red flow in a locked down Alpine Linux VM, with node-red starting on boot with no need to login. I want it to be completely tamper proof, so the editor will be disabled. The flow accesses a MongoDB d…

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## [Is it possible to copy and move a folder in Node-Red?](https://discourse.nodered.org/t/is-it-possible-to-copy-and-move-a-folder-in-node-red/86649)

<div class="topic-metadata">

**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 4\
**Last updated:** [23 March 2024 18:33 UTC](https://discourse.nodered.org/t/is-it-possible-to-copy-and-move-a-folder-in-node-red/86649 "2024-03-23T18:33:51Z")

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Is it possible to copy and move a folder in NordRed? I want to copy a folder on Raspberry Pi or Windows and move it to a specific folder. Is there any example of how to copy a folder?

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## [Create a temporary scene in a function](https://discourse.nodered.org/t/create-a-temporary-scene-in-a-function/86692)

<div class="topic-metadata">

**Author:** [@leacho73](https://discourse.nodered.org/u/leacho73)\
**Replies:** 8\
**Last updated:** [23 March 2024 17:43 UTC](https://discourse.nodered.org/t/create-a-temporary-scene-in-a-function/86692 "2024-03-23T17:43:42Z")

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Hi All, I'm trying to create a temporary scene using a function node, but I'm struggling with the data field for the service I am calling to create the scene. Normally the data field, using JSON would look like this: {…

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## [Crypto alert with dashboard](https://discourse.nodered.org/t/crypto-alert-with-dashboard/86676)

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**Author:** [@franz](https://discourse.nodered.org/u/franz)\
**Replies:** 9\
**Last updated:** [23 March 2024 16:12 UTC](https://discourse.nodered.org/t/crypto-alert-with-dashboard/86676 "2024-03-23T16:12:46Z")

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I used node-red-dashboard v.3.6.5 i wanted to make a voice alert via alexa, when the price of a cryptocurrency reaches a certain value. i wrote this flow, but it only works with the first cryptomonrency (tao) in the li…

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## [Timer-Event from Home Assistant in NodeRed](https://discourse.nodered.org/t/timer-event-from-home-assistant-in-nodered/86700)

<div class="topic-metadata">

**Author:** [@Orcmast](https://discourse.nodered.org/u/Orcmast)\
**Replies:** 0\
**Last updated:** [23 March 2024 15:44 UTC](https://discourse.nodered.org/t/timer-event-from-home-assistant-in-nodered/86700 "2024-03-23T15:44:42Z")

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Hello, I have a timer in Home Assistant "timer.laundry" and want to use the event "finished" to do something in Node Red but i have no clue how to get it. The state is only "idle" or "active", how i get the event-state?…

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## [UIBUILDER and URL case sensitivity](https://discourse.nodered.org/t/uibuilder-and-url-case-sensitivity/81019)

<div class="topic-metadata">

**Author:** [@annuello](https://discourse.nodered.org/u/annuello)\
**Replies:** 6\
**Last updated:** [23 March 2024 14:49 UTC](https://discourse.nodered.org/t/uibuilder-and-url-case-sensitivity/81019 "2024-03-23T14:49:07Z")

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I have some uibuilder instances where I use mixed-case in the URL publish point. E.g. "myTarget" When entering the correct URL, everything works as expected. If a user enters the URL with non-matching case (e.g. "myta…

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## [Where is Formatting output using JSONata in this example](https://discourse.nodered.org/t/where-is-formatting-output-using-jsonata-in-this-example/86688)

<div class="topic-metadata">

**Author:** [@Xiao](https://discourse.nodered.org/u/Xiao)\
**Replies:** 2\
**Last updated:** [23 March 2024 12:21 UTC](https://discourse.nodered.org/t/where-is-formatting-output-using-jsonata-in-this-example/86688 "2024-03-23T12:21:13Z")

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## [Wrong result from sqlite](https://discourse.nodered.org/t/wrong-result-from-sqlite/85798)

<div class="topic-metadata">

**Author:** [@Chucky2401](https://discourse.nodered.org/u/Chucky2401)\
**Replies:** 7\
**Last updated:** [23 March 2024 08:49 UTC](https://discourse.nodered.org/t/wrong-result-from-sqlite/85798 "2024-03-23T08:49:05Z")

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Hello, I have an annoying issue with sqlite. I have a flow to check if my nVidia Shield is blocked to go on Youtube, I use PiHole to avoid my children to watch YouTube every day. First I count how many records I have …

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## [Using LLamaindex / Langchain with nodered](https://discourse.nodered.org/t/using-llamaindex-langchain-with-nodered/86674)

<div class="topic-metadata">

**Author:** [@abedmalak](https://discourse.nodered.org/u/abedmalak)\
**Replies:** 0\
**Last updated:** [22 March 2024 18:55 UTC](https://discourse.nodered.org/t/using-llamaindex-langchain-with-nodered/86674 "2024-03-22T18:55:13Z")

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I was trying to set it up but there were toooo many things to set up I was wondering if someone has a configurable template/ flow I can use

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## [Memory leak. Heap dump shows it may be related to CommsConnection. how to pinpoint the culprit?](https://discourse.nodered.org/t/memory-leak-heap-dump-shows-it-may-be-related-to-commsconnection-how-to-pinpoint-the-culprit/86661)

<div class="topic-metadata">

**Author:** [@tnltj](https://discourse.nodered.org/u/tnltj)\
**Replies:** 7\
**Last updated:** [22 March 2024 16:56 UTC](https://discourse.nodered.org/t/memory-leak-heap-dump-shows-it-may-be-related-to-commsconnection-how-to-pinpoint-the-culprit/86661 "2024-03-22T16:56:17Z")

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First, some general info I have several flows, each with multiple MQTT in and MQTT out nodes. There are also multiple queries to a MySQL database, using the node-red-node-mysql. About 250 incoming messages are processed…

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## [Ui-graph node zoom in and zoom out](https://discourse.nodered.org/t/ui-graph-node-zoom-in-and-zoom-out/86618)

<div class="topic-metadata">

**Author:** [@neyarprasanth1](https://discourse.nodered.org/u/neyarprasanth1)\
**Replies:** 2\
**Last updated:** [22 March 2024 10:22 UTC](https://discourse.nodered.org/t/ui-graph-node-zoom-in-and-zoom-out/86618 "2024-03-22T10:22:00Z")

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Hello guys, Now I am using ui-graph node for see the graphical reading in ui-dashboard. but problem is after some time it shows very narrow waveform. So can't able to see the reading properly. I want same like blynk side…

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## [Debugger display](https://discourse.nodered.org/t/debugger-display/86597)

<div class="topic-metadata">

**Author:** [@Ives25](https://discourse.nodered.org/u/Ives25)\
**Replies:** 2\
**Last updated:** [21 March 2024 23:30 UTC](https://discourse.nodered.org/t/debugger-display/86597 "2024-03-21T23:30:01Z")

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Hi, For more than a month when I launch Node-Red (Home Assistant add-on) it takes several minutes (up to 10 minutes sometimes) for the connection information to appear in the flows and the debugger does not work ( the f…

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## [UDP broadcast and response from a docker container](https://discourse.nodered.org/t/udp-broadcast-and-response-from-a-docker-container/86555)

<div class="topic-metadata">

**Author:** [@steven\_191](https://discourse.nodered.org/u/steven_191)\
**Replies:** 11\
**Last updated:** [21 March 2024 17:20 UTC](https://discourse.nodered.org/t/udp-broadcast-and-response-from-a-docker-container/86555 "2024-03-21T17:20:54Z")

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Im trying to perform a UDP broadcast to find a heatmiser neohub on the network. My node red is running in a docker container on a device and has a port mapped to 50080. This is the text from the heatmiser document Fin…

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## [Does anyone else do timers like this?](https://discourse.nodered.org/t/does-anyone-else-do-timers-like-this/86638)

<div class="topic-metadata">

**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\
**Replies:** 1\
**Last updated:** [21 March 2024 17:07 UTC](https://discourse.nodered.org/t/does-anyone-else-do-timers-like-this/86638 "2024-03-21T17:07:24Z")

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Keeping track of which flows trigger when can be a problem if you have lots of them (I do have quite a few). I decided to simplify things and have most of my triggers listed like this and use link-in and link-out nodes …

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## [Exec in spawn mode using curl with a post request?](https://discourse.nodered.org/t/exec-in-spawn-mode-using-curl-with-a-post-request/86627)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 8\
**Last updated:** [21 March 2024 16:52 UTC](https://discourse.nodered.org/t/exec-in-spawn-mode-using-curl-with-a-post-request/86627 "2024-03-21T16:52:53Z")

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I am using an API that streams results in json. As there is no "good" way to handle streaming, I thought I use the exec node in spawn mode and perform a curl request. The response starts with a json result that contains…

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## [Any plan to upgrade node-red-node-aws to SDK v3?](https://discourse.nodered.org/t/any-plan-to-upgrade-node-red-node-aws-to-sdk-v3/86643)

<div class="topic-metadata">

**Author:** [@Barbudor](https://discourse.nodered.org/u/Barbudor)\
**Replies:** 0\
**Last updated:** [21 March 2024 16:52 UTC](https://discourse.nodered.org/t/any-plan-to-upgrade-node-red-node-aws-to-sdk-v3/86643 "2024-03-21T16:52:41Z")

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Hello, Current node-red-node-aws are based on AWS SDK v2 which will enter maintenance mode on next September Is there any plan to move them to V3 I'm afraid I'm not skilled enough to help with such a migration but I c…

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## [Using aws-s3-multipart-copy into a function node](https://discourse.nodered.org/t/using-aws-s3-multipart-copy-into-a-function-node/86642)

<div class="topic-metadata">

**Author:** [@Barbudor](https://discourse.nodered.org/u/Barbudor)\
**Replies:** 0\
**Last updated:** [21 March 2024 16:37 UTC](https://discourse.nodered.org/t/using-aws-s3-multipart-copy-into-a-function-node/86642 "2024-03-21T16:37:09Z")

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Hello I'm trying to use this library in a function node: aws-s3-multipart-copy - npm I have installed the requirements, AWS credentials are ok, and I'm using the below code in my function node which is based on the sam…

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## [Debug window - Filter Node](https://discourse.nodered.org/t/debug-window-filter-node/86639)

<div class="topic-metadata">

**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 2\
**Last updated:** [21 March 2024 15:59 UTC](https://discourse.nodered.org/t/debug-window-filter-node/86639 "2024-03-21T15:59:26Z")

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I noted that in the debug window there is an option "Filter this node". I was looking for something to hide error messages from a node while debugging the flow. But the option is greyed out. How does this option works?

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## [How to transport node-red devs between dev/acc/production environments](https://discourse.nodered.org/t/how-to-transport-node-red-devs-between-dev-acc-production-environments/86593)

<div class="topic-metadata">

**Author:** [@anonymoose](https://discourse.nodered.org/u/anonymoose)\
**Replies:** 5\
**Last updated:** [21 March 2024 15:47 UTC](https://discourse.nodered.org/t/how-to-transport-node-red-devs-between-dev-acc-production-environments/86593 "2024-03-21T15:47:36Z")

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Which files should be synced across environments? It's important that local configurations like connection strings towards external systems are not overwritten. I have noticed that environmental variables are added in t…

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