# Latest

**URL:** https://discourse.nodered.org/latest.md?page=280

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

**Page:** 281

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## [Sharing flows requiring contrib nodes](https://discourse.nodered.org/t/sharing-flows-requiring-contrib-nodes/82446)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 4\
**Last updated:** [3 November 2023 11:22 UTC](https://discourse.nodered.org/t/sharing-flows-requiring-contrib-nodes/82446 "2023-11-03T11:22:06Z")

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Hello, A similar question has been asked in the past... Just want to check if there are some recent changes I may have missed. I would like to share flows that require contrib nodes to work. Importing the flows in a d…

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## [Error when including emoji in filename for write-file - NodeJS 20 only](https://discourse.nodered.org/t/error-when-including-emoji-in-filename-for-write-file-nodejs-20-only/82556)

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**Author:** [@RvG](https://discourse.nodered.org/u/RvG)\
**Replies:** 6\
**Last updated:** [3 November 2023 10:47 UTC](https://discourse.nodered.org/t/error-when-including-emoji-in-filename-for-write-file-nodejs-20-only/82556 "2023-11-03T10:47:44Z")

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I'm getting the following error when including an emoji in the filename for the write-file node: failed to write to file: Error: ENOENT: no such file or directory, open I've only seen this in Node-RED 3.10 on Windows…

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## [Writing Insert query inside node-red-contrib-oracledb-mod](https://discourse.nodered.org/t/writing-insert-query-inside-node-red-contrib-oracledb-mod/13390)

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**Author:** [@Divya](https://discourse.nodered.org/u/Divya)\
**Replies:** 23\
**Last updated:** [3 November 2023 10:08 UTC](https://discourse.nodered.org/t/writing-insert-query-inside-node-red-contrib-oracledb-mod/13390 "2023-11-03T10:08:57Z")

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Hello, I am trying to make use of node-red-contrib-oracledb-mod to connect to the Oracle db and access datas. I am able to connect it successfully and write select queries and getting the proper results. But, not able to…

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## [\[Fun Exercise\]Make an MQTT broker in Node-RED](https://discourse.nodered.org/t/fun-exercise-make-an-mqtt-broker-in-node-red/82229)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 62\
**Last updated:** [3 November 2023 10:00 UTC](https://discourse.nodered.org/t/fun-exercise-make-an-mqtt-broker-in-node-red/82229 "2023-11-03T10:00:39Z")

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For fun, I thought - let's build an MQTT broker in Node-RED! :slight\_smile: Anyway, I soon realised that I didn't know how to setup the TCP nodes properly - I often get confused by them :frowning: Can someone clue me i…

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## [Programmatically show/hide input/putput pins](https://discourse.nodered.org/t/programmatically-show-hide-input-putput-pins/82567)

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**Author:** [@Supergiovane](https://discourse.nodered.org/u/Supergiovane)\
**Replies:** 2\
**Last updated:** [3 November 2023 09:46 UTC](https://discourse.nodered.org/t/programmatically-show-hide-input-putput-pins/82567 "2023-11-03T09:46:09Z")

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Hi, i've trouble finding how to hide/show node input pin and node output pin, in the html script configuration node. Can someone help me in that? Thanks.

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## [ModBus speed problem](https://discourse.nodered.org/t/modbus-speed-problem/82565)

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**Author:** [@andre\_x](https://discourse.nodered.org/u/andre_x)\
**Replies:** 2\
**Last updated:** [3 November 2023 09:09 UTC](https://discourse.nodered.org/t/modbus-speed-problem/82565 "2023-11-03T09:09:30Z")

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I have a couple of these RS485 relay boards, connected to these Ethernet to RS485 converter. The first problem that I see is that reading a 8 bit register every 0,1 second makes impossible to send the relay commands: wh…

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## [OPCUA SERVER from a Docker. BadCommunicationError](https://discourse.nodered.org/t/opcua-server-from-a-docker-badcommunicationerror/82559)

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**Author:** [@Ahmaad](https://discourse.nodered.org/u/Ahmaad)\
**Replies:** 2\
**Last updated:** [3 November 2023 09:37 UTC](https://discourse.nodered.org/t/opcua-server-from-a-docker-badcommunicationerror/82559 "2023-11-03T09:37:09Z")

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Hello, I installed docker desktop then I installed nodered. I used the following from NodeRed for this: docker run -it -p 1880:1880 -v node\_red\_data:/data --name mynodered nodered/node-red Now I want to set up OPC…

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## [Crazy idea to use link calls from Blockly nodes](https://discourse.nodered.org/t/crazy-idea-to-use-link-calls-from-blockly-nodes/82409)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 18\
**Last updated:** [3 November 2023 09:11 UTC](https://discourse.nodered.org/t/crazy-idea-to-use-link-calls-from-blockly-nodes/82409 "2023-11-03T09:11:13Z")

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Just writing this down in case I forget just had an idea for doing a link call from within the node

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## [Array and table Ui problem](https://discourse.nodered.org/t/array-and-table-ui-problem/82492)

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**Author:** [@MA.ING](https://discourse.nodered.org/u/MA.ING)\
**Replies:** 4\
**Last updated:** [3 November 2023 08:46 UTC](https://discourse.nodered.org/t/array-and-table-ui-problem/82492 "2023-11-03T08:46:16Z")

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Hi, I restarted node red node again and I'm lost after so long, Im trying to represent a machine state in a table, i have one array: msg.payload : array\[3\] array\[3\] 0: "2023-10-31T14:17:02.515Z" 1: "Start" 2: "4" …

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## [Problem with PIR en Lamp](https://discourse.nodered.org/t/problem-with-pir-en-lamp/82551)

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**Author:** [@kroonp](https://discourse.nodered.org/u/kroonp)\
**Replies:** 2\
**Last updated:** [3 November 2023 06:23 UTC](https://discourse.nodered.org/t/problem-with-pir-en-lamp/82551 "2023-11-03T06:23:13Z")

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Hello all, I'm trying to make a circuit but it won't work. The idea is that a PIR switches on a lamp and switches it off after 4 minutes. This is no problem. I want to ensure that as soon as the PIR is triggered within…

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## [No topic causes all MQTT nodes to disconnect](https://discourse.nodered.org/t/no-topic-causes-all-mqtt-nodes-to-disconnect/82557)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 4\
**Last updated:** [3 November 2023 00:13 UTC](https://discourse.nodered.org/t/no-topic-causes-all-mqtt-nodes-to-disconnect/82557 "2023-11-03T00:13:58Z")

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Just noticed that injecting a message into MQTT out without setting a topic causes all MQTT nodes to disconnect for a few seconds. I realise it should have a topic, but the node should really handle this more gracefully…

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## [Delay node - Error](https://discourse.nodered.org/t/delay-node-error/82553)

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**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 1\
**Last updated:** [2 November 2023 23:49 UTC](https://discourse.nodered.org/t/delay-node-error/82553 "2023-11-02T23:49:16Z")

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I have set a delay node to 100 days. I noted the following error in the logs: Nov 02 16:43:02 remoteir Node-RED\[593\]: (node:593) TimeoutOverflowWarning: 8640000000 does not fit into a 32-bit signed integer. Nov 02 16…

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## [Memory leak (context.set / flex.set / global.set)](https://discourse.nodered.org/t/memory-leak-context-set-flex-set-global-set/82465)

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**Author:** [@Trubochkin](https://discourse.nodered.org/u/Trubochkin)\
**Replies:** 10\
**Last updated:** [2 November 2023 21:12 UTC](https://discourse.nodered.org/t/memory-leak-context-set-flex-set-global-set/82465 "2023-11-02T21:12:27Z")

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Hello Everyone! Not long ago I started using the latest version (3.1.0) of Node-Red with Node v18.18.2, and I noticed that a memory leak appeared on my devices (Raspberry Pi 3+, Orange Pi PC+). After about a week of use…

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## [Global variables, wich problems?](https://discourse.nodered.org/t/global-variables-wich-problems/82544)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 12\
**Last updated:** [2 November 2023 20:44 UTC](https://discourse.nodered.org/t/global-variables-wich-problems/82544 "2023-11-02T20:44:15Z")

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I know the difference between global, flow and context variable and I don't use the global variable because some time ago I had read that to reduce memory usage (Pi4), among other things, it was advisable not use global…

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## [Send Msg From Second Input If First Input Is True](https://discourse.nodered.org/t/send-msg-from-second-input-if-first-input-is-true/82535)

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**Author:** [@Sonsofhigsolar](https://discourse.nodered.org/u/Sonsofhigsolar)\
**Replies:** 8\
**Last updated:** [2 November 2023 20:19 UTC](https://discourse.nodered.org/t/send-msg-from-second-input-if-first-input-is-true/82535 "2023-11-02T20:19:40Z")

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Dear All, I'm trying to send a msg which comes from the second input to a function node if the first input to the node is "true" from a Boolean gate ultimate node. I also need to make the function node not send a messa…

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## [Typescript support](https://discourse.nodered.org/t/typescript-support/82483)

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**Author:** [@therustyalex](https://discourse.nodered.org/u/therustyalex)\
**Replies:** 3\
**Last updated:** [2 November 2023 17:10 UTC](https://discourse.nodered.org/t/typescript-support/82483 "2023-11-02T17:10:35Z")

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Are there any plans to support Typescript in node-red in the future?

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## [Values in context not showing up](https://discourse.nodered.org/t/values-in-context-not-showing-up/82552)

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**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 2\
**Last updated:** [2 November 2023 15:15 UTC](https://discourse.nodered.org/t/values-in-context-not-showing-up/82552 "2023-11-02T15:15:14Z")

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I have this simple function which I use to initialise two variables in context: // Manually set context variables context.set("lastTemp", 22); context.set("status", 0); msg.payload = "Context variables initialized: las…

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## [Hey. need help in function node to control allow msgs to pass via time](https://discourse.nodered.org/t/hey-need-help-in-function-node-to-control-allow-msgs-to-pass-via-time/82539)

<div class="topic-metadata">

**Author:** [@issambfs1](https://discourse.nodered.org/u/issambfs1)\
**Replies:** 3\
**Last updated:** [2 November 2023 13:52 UTC](https://discourse.nodered.org/t/hey-need-help-in-function-node-to-control-allow-msgs-to-pass-via-time/82539 "2023-11-02T13:52:30Z")

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i have being trying many time to set this but get Nothing . i wanna make file csv rule has time in hour and min and code . if the code are correct well go to check the time in file is it in range of current time or +15…

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## [How to show local html file with images?](https://discourse.nodered.org/t/how-to-show-local-html-file-with-images/81991)

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**Author:** [@Tara-sbor](https://discourse.nodered.org/u/Tara-sbor)\
**Replies:** 3\
**Last updated:** [2 November 2023 12:57 UTC](https://discourse.nodered.org/t/how-to-show-local-html-file-with-images/81991 "2023-11-02T12:57:47Z")

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Hello there! I have Node-red dashboard system under Ubuntu and it's used also to show reciept html template that goes to printer. Template have images and custom fonts in it but http response node don't show it. I've tr…

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## [Scratch MQTT (Kittenblock)](https://discourse.nodered.org/t/scratch-mqtt-kittenblock/82549)

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**Author:** [@genli](https://discourse.nodered.org/u/genli)\
**Replies:** 3\
**Last updated:** [2 November 2023 12:36 UTC](https://discourse.nodered.org/t/scratch-mqtt-kittenblock/82549 "2023-11-02T12:36:03Z")

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https://cdn.kittenbot.cn/kittenblock\_189/win/Kittenblock\_1.89.18\_x64\_Setup.exe

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## [Module ignored due to local copy](https://discourse.nodered.org/t/module-ignored-due-to-local-copy/82530)

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**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 4\
**Last updated:** [2 November 2023 11:51 UTC](https://discourse.nodered.org/t/module-ignored-due-to-local-copy/82530 "2023-11-02T11:51:19Z")

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Updated Node Red to v3.1.0 and found a problem with the dark mode theme I have used forever looking wrong. Example below, the background is now white instead of dark same as the palette: I'm using Node Red in a Docker…

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## [Offtopic- Your smart home recommendations](https://discourse.nodered.org/t/offtopic-your-smart-home-recommendations/82354)

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**Author:** [@nico25](https://discourse.nodered.org/u/nico25)\
**Replies:** 50\
**Last updated:** [2 November 2023 07:34 UTC](https://discourse.nodered.org/t/offtopic-your-smart-home-recommendations/82354 "2023-11-02T07:34:21Z")

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Winter is coming and I am looking for a little project for the next weeks, so I was thinking about getting into home automation.Since my knowledge on this topic is very limited and I know there are surely some smart home…

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## [Can I use a function to make the alarm sound every minute?](https://discourse.nodered.org/t/can-i-use-a-function-to-make-the-alarm-sound-every-minute/82540)

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**Author:** [@Tomi](https://discourse.nodered.org/u/Tomi)\
**Replies:** 7\
**Last updated:** [2 November 2023 07:27 UTC](https://discourse.nodered.org/t/can-i-use-a-function-to-make-the-alarm-sound-every-minute/82540 "2023-11-02T07:27:10Z")

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Hello I set an alarm on my wireless device to go off every five minutes. function using Can I set an alarm to sound every minute?

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## [Notify of major changes to collection](https://discourse.nodered.org/t/notify-of-major-changes-to-collection/82455)

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**Author:** [@Vahdettin](https://discourse.nodered.org/u/Vahdettin)\
**Replies:** 4\
**Last updated:** [2 November 2023 03:13 UTC](https://discourse.nodered.org/t/notify-of-major-changes-to-collection/82455 "2023-11-02T03:13:07Z")

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Hello, I have a collection I maintain that has a decent number of downloads. I have heard from a number of people that it's very useful but of course I don't know how many total there are. Either way, how do I notify …

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## [Hello how to setting modbus poll time](https://discourse.nodered.org/t/hello-how-to-setting-modbus-poll-time/82541)

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**Author:** [@ShinDongHen](https://discourse.nodered.org/u/ShinDongHen)\
**Replies:** 0\
**Last updated:** [2 November 2023 01:57 UTC](https://discourse.nodered.org/t/hello-how-to-setting-modbus-poll-time/82541 "2023-11-02T01:57:48Z")

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UNIT 5 UNIT 1 I want to set the Modbus poll rate time, but I'm having a problem. Please advise why it times out. flows (2).json (8.0 KB)

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## [Configuring node-red-contrib-i2c - i2cOut settings](https://discourse.nodered.org/t/configuring-node-red-contrib-i2c-i2cout-settings/82018)

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**Author:** [@readw](https://discourse.nodered.org/u/readw)\
**Replies:** 4\
**Last updated:** [2 November 2023 00:18 UTC](https://discourse.nodered.org/t/configuring-node-red-contrib-i2c-i2cout-settings/82018 "2023-11-02T00:18:49Z")

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Hi there, I am trying to configure the i2cOut setting in node-red-contrib-i2c. The node is correctly installed and communicating with node red but I am unable to find any information on what the correct parameters sho…

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## ["unhealthy" docker-state because of ENOTFOUND](https://discourse.nodered.org/t/unhealthy-docker-state-because-of-enotfound/82538)

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**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\
**Replies:** 0\
**Last updated:** [1 November 2023 22:09 UTC](https://discourse.nodered.org/t/unhealthy-docker-state-because-of-enotfound/82538 "2023-11-01T22:09:50Z")

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Hello, i'm using Node-RED for my home automation and there are different outgoing connections. Some of them are wifi, and also some of them in some cases are not connected all day long or have a weak wifi connection so …

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## [Reading out String](https://discourse.nodered.org/t/reading-out-string/82525)

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**Author:** [@Marv](https://discourse.nodered.org/u/Marv)\
**Replies:** 23\
**Last updated:** [1 November 2023 22:07 UTC](https://discourse.nodered.org/t/reading-out-string/82525 "2023-11-01T22:07:43Z")

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How do I find out which string i can use if i want to read out only one? For example i want to see the temp:12 on a Dashboard how do I find oit the position?

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## [Problem with Flow with OPCUA Server](https://discourse.nodered.org/t/problem-with-flow-with-opcua-server/82533)

<div class="topic-metadata">

**Author:** [@Ahmaad](https://discourse.nodered.org/u/Ahmaad)\
**Replies:** 0\
**Last updated:** [1 November 2023 20:54 UTC](https://discourse.nodered.org/t/problem-with-flow-with-opcua-server/82533 "2023-11-01T20:54:39Z")

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Hello everyone, I have a problem with building an OPC UA server. I have built a flow where I use an OPC UA server. Everything worked great. I recently checked again and then I see that nothing works anymore. Node-Red …

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## [Spotify problems with id](https://discourse.nodered.org/t/spotify-problems-with-id/82532)

<div class="topic-metadata">

**Author:** [@Ino](https://discourse.nodered.org/u/Ino)\
**Replies:** 0\
**Last updated:** [1 November 2023 20:41 UTC](https://discourse.nodered.org/t/spotify-problems-with-id/82532 "2023-11-01T20:41:48Z")

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I want import several data (album, playlist,...) of my spotify account in the node-red-contrib-spotify node. I have a paid membership of spotify and after creating the app I get a client id and a client secret. I am usin…

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