# General **URL:** https://discourse.nodered.org/c/general/7.md?page=44 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 45 --- ## [Installed node red getting errors never seen before?](https://discourse.nodered.org/t/installed-node-red-getting-errors-never-seen-before/96368)
**Author:** [@Jibun-no-Kage](https://discourse.nodered.org/u/Jibun-no-Kage)\ **Replies:** 9\ **Last updated:** [7 April 2025 11:31 UTC](https://discourse.nodered.org/t/installed-node-red-getting-errors-never-seen-before/96368 "2025-04-07T11:31:57Z")
Install node red using the ubuntu/debian/piOS script, in this case on clean install of Debian 12. Getting errors I have never seen before... nodered.service: Changing to the requested working directory failed: Permissi… --- ## [MQTT connection over proxy](https://discourse.nodered.org/t/mqtt-connection-over-proxy/96442)
**Author:** [@iALARM](https://discourse.nodered.org/u/iALARM)\ **Replies:** 1\ **Last updated:** [7 April 2025 06:26 UTC](https://discourse.nodered.org/t/mqtt-connection-over-proxy/96442 "2025-04-07T06:26:04Z")
Hi everone An HTTP request component has the ability to set a proxy. However, an MQTT component does not have proxy settings. What is the solution when the MQTT needs to connect to a public MQTT broker through a proxy? … --- ## [Payload binary to Json object](https://discourse.nodered.org/t/payload-binary-to-json-object/95911)
**Author:** [@SanPlatano](https://discourse.nodered.org/u/SanPlatano)\ **Replies:** 5\ **Last updated:** [7 April 2025 02:41 UTC](https://discourse.nodered.org/t/payload-binary-to-json-object/95911 "2025-04-07T02:41:07Z")
Hi everyone, i have a problem to convert data in binary to JSON Object. I read this binary buffer from websocket: This is the same in string payload when i use a function with msg.payload= msg.payload.toString()… --- ## [Help with probably simple Node-Red coding?](https://discourse.nodered.org/t/help-with-probably-simple-node-red-coding/96435)
**Author:** [@arniepodo](https://discourse.nodered.org/u/arniepodo)\ **Replies:** 4\ **Last updated:** [6 April 2025 20:23 UTC](https://discourse.nodered.org/t/help-with-probably-simple-node-red-coding/96435 "2025-04-06T20:23:06Z")
Can someone help me code an appropriate node that I can attach to an inject node that will send a message, wait a second, then send a second different message? I am obviously not a coder. I can do some basic things with… --- ## [Thank you to this community!](https://discourse.nodered.org/t/thank-you-to-this-community/96433)
**Author:** [@tgottie](https://discourse.nodered.org/u/tgottie)\ **Replies:** 0\ **Last updated:** [6 April 2025 15:07 UTC](https://discourse.nodered.org/t/thank-you-to-this-community/96433 "2025-04-06T15:07:35Z")
I started using node red a coupme years ago, i had no idea what i was doing. I was a network admin tasked with fixing a software issue. I asked a lot of stupid questions here. I ended up using node red to overlay the old… --- ## [Run a flow every 5 minutes as a cron job](https://discourse.nodered.org/t/run-a-flow-every-5-minutes-as-a-cron-job/96429)
**Author:** [@anomaly0617](https://discourse.nodered.org/u/anomaly0617)\ **Replies:** 4\ **Last updated:** [6 April 2025 14:06 UTC](https://discourse.nodered.org/t/run-a-flow-every-5-minutes-as-a-cron-job/96429 "2025-04-06T14:06:41Z")
Hi there, I'm a newb to node red, but I'm an IT professional that has a background in LAMPP servers and a full stack PHP developer that has been developing things since 2004 in PHP, so I'm not sure I qualify as a newb i… --- ## [Input file in uibuilder V7](https://discourse.nodered.org/t/input-file-in-uibuilder-v7/96196)
**Author:** [@papka1974](https://discourse.nodered.org/u/papka1974)\ **Replies:** 18\ **Last updated:** [5 April 2025 21:14 UTC](https://discourse.nodered.org/t/input-file-in-uibuilder-v7/96196 "2025-04-05T21:14:14Z")
Hello. I'm pretty new in Node-Red and uibuilder and i'm totally not a web guy. Learning by doing. I created a form via uib-element node. One of inputs is a file upload. When I'm submitting form I see message coming abou… --- ## [Numeric value from binary combination of three inputs](https://discourse.nodered.org/t/numeric-value-from-binary-combination-of-three-inputs/96413)
**Author:** [@Barone1968](https://discourse.nodered.org/u/Barone1968)\ **Replies:** 5\ **Last updated:** [5 April 2025 13:39 UTC](https://discourse.nodered.org/t/numeric-value-from-binary-combination-of-three-inputs/96413 "2025-04-05T13:39:37Z")
can you help me?, I downloaded this code to be able to have a numeric value composed of the binary string . but I always have the same l,ettere... I'm new, can you help me? My intent is to have the sum of the binary co… --- ## [Lag when editor page deployments or refreshes](https://discourse.nodered.org/t/lag-when-editor-page-deployments-or-refreshes/96421)
**Author:** [@winnerL](https://discourse.nodered.org/u/winnerL)\ **Replies:** 2\ **Last updated:** [5 April 2025 13:37 UTC](https://discourse.nodered.org/t/lag-when-editor-page-deployments-or-refreshes/96421 "2025-04-05T13:37:25Z")
I have a question about the node-red project folder. I am using uibuilder in my development process and previously backed up the uibuilder folder as uibuilder\_bak. now I am sure I don't need uibuilder\_bak. When I delete … --- ## [Trigger State has delay in updating context](https://discourse.nodered.org/t/trigger-state-has-delay-in-updating-context/96194)
**Author:** [@sudave](https://discourse.nodered.org/u/sudave)\ **Replies:** 3\ **Last updated:** [5 April 2025 11:15 UTC](https://discourse.nodered.org/t/trigger-state-has-delay-in-updating-context/96194 "2025-04-05T11:15:51Z")
I have a physical light switch that shows its status with an LED and a bunch of window sensors. My Flow can be described like this: Turn on the LED (which means the switch) when at least one window is open Turn it off… --- ## [How to upload a csv file in my google drive?](https://discourse.nodered.org/t/how-to-upload-a-csv-file-in-my-google-drive/96418)
**Author:** [@Jijash\_Shrestha](https://discourse.nodered.org/u/Jijash_Shrestha)\ **Replies:** 1\ **Last updated:** [5 April 2025 06:52 UTC](https://discourse.nodered.org/t/how-to-upload-a-csv-file-in-my-google-drive/96418 "2025-04-05T06:52:19Z")
hey , I generated a csv values for a json data , now how can I make it a csv file and then upload to my google drive ? I have been trying to use google drive node , but when I create a file using create file operation it… --- ## [Problem with Node-Red Machine Learning](https://discourse.nodered.org/t/problem-with-node-red-machine-learning/96406)
**Author:** [@MrKanister](https://discourse.nodered.org/u/MrKanister)\ **Replies:** 0\ **Last updated:** [4 April 2025 10:39 UTC](https://discourse.nodered.org/t/problem-with-node-red-machine-learning/96406 "2025-04-04T10:39:21Z")
Hello together, I want to gain some experience concerning machine learning. Therefore I tried the NR example: node-red-contrib-machine-learning-v2, but I cant get the first part of the flow working. I receive always th… --- ## [Node red and mqtt on click plus plc](https://discourse.nodered.org/t/node-red-and-mqtt-on-click-plus-plc/96387)
**Author:** [@yawstick1](https://discourse.nodered.org/u/yawstick1)\ **Replies:** 1\ **Last updated:** [4 April 2025 00:43 UTC](https://discourse.nodered.org/t/node-red-and-mqtt-on-click-plus-plc/96387 "2025-04-04T00:43:02Z")
I'm working on a project to automate some machines that are fairly simple... It is essentially a portable machine on a trailer that unwinds cable from a large reel and cuts it into short pieces for recycling.. In an effo… --- ## [Inconsistant timezone in node-red](https://discourse.nodered.org/t/inconsistant-timezone-in-node-red/96386)
**Author:** [@bigbean17](https://discourse.nodered.org/u/bigbean17)\ **Replies:** 4\ **Last updated:** [3 April 2025 23:18 UTC](https://discourse.nodered.org/t/inconsistant-timezone-in-node-red/96386 "2025-04-03T23:18:40Z")
Hi, I'm trying to set the timezone in my node-red to Australia/Perth. The node-red is running on Ubuntu 22.04, the system timezone was set to Australia/Perth. This is the output of date command. However, in node-red… --- ## [Bme680 node producing no data](https://discourse.nodered.org/t/bme680-node-producing-no-data/96384)
**Author:** [@WalterJ](https://discourse.nodered.org/u/WalterJ)\ **Replies:** 15\ **Last updated:** [3 April 2025 21:28 UTC](https://discourse.nodered.org/t/bme680-node-producing-no-data/96384 "2025-04-03T21:28:24Z")
I've been using the node-red-contrib-bme680-rpi node happily for some time now. I installed it on a new raspberry pi image and can't get it to generate any data. I see this error in the Node-RED logs: 2 Apr 13:16:53 - … --- ## [Reverse Operation node-red-contrib-bit](https://discourse.nodered.org/t/reverse-operation-node-red-contrib-bit/96399)
**Author:** [@Barone1968](https://discourse.nodered.org/u/Barone1968)\ **Replies:** 1\ **Last updated:** [3 April 2025 19:05 UTC](https://discourse.nodered.org/t/reverse-operation-node-red-contrib-bit/96399 "2025-04-03T19:05:40Z")
Hi, I downloaded the Node-Red-contrib bit paddle to split a word into 16 individual outputs, is there a paddle with 16 inputs and a single word output? Thank you --- ## [Configure env variables](https://discourse.nodered.org/t/configure-env-variables/96345)
**Author:** [@bigbean17](https://discourse.nodered.org/u/bigbean17)\ **Replies:** 8\ **Last updated:** [3 April 2025 11:52 UTC](https://discourse.nodered.org/t/configure-env-variables/96345 "2025-04-03T11:52:10Z")
Hi, In my application, the users are allowed to configure env vars of the application, such as TIMEZONE. Currently, what I did is to rewrite the whole settings.js file to change the variable. This works but is there a b… --- ## [Node-red-dashboard-2-ui-lcd no "Group" field dropdown](https://discourse.nodered.org/t/node-red-dashboard-2-ui-lcd-no-group-field-dropdown/96191)
**Author:** [@linker3000](https://discourse.nodered.org/u/linker3000)\ **Replies:** 15\ **Last updated:** [2 April 2025 20:17 UTC](https://discourse.nodered.org/t/node-red-dashboard-2-ui-lcd-no-group-field-dropdown/96191 "2025-04-02T20:17:03Z")
Hi All, I just installed the above node for a looksee on my server (Node-RED 4.0.9) and the node's setup menu "Group" field does not have a pull down to select or create a dashboard group so I cannot set it up. I have tr… --- ## [Node-RED Academy - New Course Available!](https://discourse.nodered.org/t/node-red-academy-new-course-available/96369)
**Author:** [@joepavitt](https://discourse.nodered.org/u/joepavitt)\ **Replies:** 24\ **Last updated:** [2 April 2025 19:59 UTC](https://discourse.nodered.org/t/node-red-academy-new-course-available/96369 "2025-04-02T19:59:55Z")
FlowFuse has been very busy once more with the second Node-RED Academy Course - Node-RED Advanced! Get your official certification today: Node-RED Advanced --- ## [Node red v4.0.8 using Project feature with remote ssh github - authorization popup constantly fails](https://discourse.nodered.org/t/node-red-v4-0-8-using-project-feature-with-remote-ssh-github-authorization-popup-constantly-fails/94858)
**Author:** [@mcook](https://discourse.nodered.org/u/mcook)\ **Replies:** 3\ **Last updated:** [2 April 2025 16:24 UTC](https://discourse.nodered.org/t/node-red-v4-0-8-using-project-feature-with-remote-ssh-github-authorization-popup-constantly-fails/94858 "2025-04-02T16:24:44Z")
I have configured keys and tried various ways to setup a project (new, create from existing etc) and ssh key with and without passphrase. I have re-installed Node Red several times which I am running in a docker contain… --- ## [MQTT connect/disconnect every 15 seconds](https://discourse.nodered.org/t/mqtt-connect-disconnect-every-15-seconds/96091)
**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\ **Replies:** 17\ **Last updated:** [2 April 2025 10:57 UTC](https://discourse.nodered.org/t/mqtt-connect-disconnect-every-15-seconds/96091 "2025-04-02T10:57:51Z")
Got a real weird one now. Thought I had sorted a good way to do mqtt connect + subscribe, but I have problem with it again. I have this mqtt setup running on several raspberry pis. Normally this runs smooth with little … --- ## [Msg.payload ---\> Function Python](https://discourse.nodered.org/t/msg-payload-function-python/96339)
**Author:** [@keyooo2](https://discourse.nodered.org/u/keyooo2)\ **Replies:** 2\ **Last updated:** [2 April 2025 07:34 UTC](https://discourse.nodered.org/t/msg-payload-function-python/96339 "2025-04-02T07:34:55Z")
He needs help. I don't know how to pass in node-re Payload to Function Python variable = NewDoc at a later stage in python I replace an existing line in the auto file \[ { "id": "1046fdc339d116e8", "t… --- ## [Node-email send fail :Error: Connection closed unexpectedly"](https://discourse.nodered.org/t/node-email-send-fail-connection-closed-unexpectedly/96370)
**Author:** [@alfort57](https://discourse.nodered.org/u/alfort57)\ **Replies:** 2\ **Last updated:** [1 April 2025 18:10 UTC](https://discourse.nodered.org/t/node-email-send-fail-connection-closed-unexpectedly/96370 "2025-04-01T18:10:19Z")
System: Raspberry Pi 4 with 4Gb Ram New image Bullseye 32bits latest update Install Node-red using scrip from nodered.org site This can take 20-30 minutes on the slower Pi versions - please wait. Stop Node-RED … --- ## [How do I launch an exe via exec (ssh'd into my windows pc) with parameters?](https://discourse.nodered.org/t/how-do-i-launch-an-exe-via-exec-sshd-into-my-windows-pc-with-parameters/96366)
**Author:** [@mxp83](https://discourse.nodered.org/u/mxp83)\ **Replies:** 1\ **Last updated:** [1 April 2025 11:01 UTC](https://discourse.nodered.org/t/how-do-i-launch-an-exe-via-exec-sshd-into-my-windows-pc-with-parameters/96366 "2025-04-01T11:01:24Z")
I can successfully ssh into my pc via node-red and now I want to launch a program with parameters, but it always returns on error and the program doesn't launch. the payload that is sent to the exec contains the program … --- ## [Variables without var, let, const?](https://discourse.nodered.org/t/variables-without-var-let-const/96284)
**Author:** [@JeromeVISUALS](https://discourse.nodered.org/u/JeromeVISUALS)\ **Replies:** 8\ **Last updated:** [31 March 2025 20:15 UTC](https://discourse.nodered.org/t/variables-without-var-let-const/96284 "2025-03-31T20:15:42Z")
Hi, I found some Js code examples and want to use and adapt them in NR function nodes. I discovered that in Js sometimes variables can be declared without var, let and so on, and then are declared as global variables. … --- ## [Last NodeJS 18 based 3.1.x container repins](https://discourse.nodered.org/t/last-nodejs-18-based-3-1-x-container-repins/96352)
**Author:** [@hardillb](https://discourse.nodered.org/u/hardillb)\ **Replies:** 0\ **Last updated:** [31 March 2025 15:48 UTC](https://discourse.nodered.org/t/last-nodejs-18-based-3-1-x-container-repins/96352 "2025-03-31T15:48:37Z")
Today rebuilt the Node-RED 3.1.x docker containers to pick up the last NodeJS 18 base container. NodeJS v18 goes End of Life at the end of April and there are unlikely to be any more builds after v18.20.8 (published las… --- ## [Unable to install additional nodes](https://discourse.nodered.org/t/unable-to-install-additional-nodes/95981)
**Author:** [@Whitefield](https://discourse.nodered.org/u/Whitefield)\ **Replies:** 14\ **Last updated:** [31 March 2025 14:33 UTC](https://discourse.nodered.org/t/unable-to-install-additional-nodes/95981 "2025-03-31T14:33:56Z")
I can't get any additional nodes to install. The one I'm trying to install is node-red-node-mysql. I'm super new to Node-RED. I'm a PLC programmer and I'm trying to use the new C2-NRED module to allow my PLC to share … --- ## [Tado Authentication has changed. Anyone have it working?](https://discourse.nodered.org/t/tado-authentication-has-changed-anyone-have-it-working/96351)
**Author:** [@bobbles](https://discourse.nodered.org/u/bobbles)\ **Replies:** 0\ **Last updated:** [31 March 2025 12:33 UTC](https://discourse.nodered.org/t/tado-authentication-has-changed-anyone-have-it-working/96351 "2025-03-31T12:33:37Z")
Tado have changed their authentication method over the weekend which means I can no longer control it using NR. Is anyone out there using the new authentication method and have Tado working through NR? If so, could you… --- ## [UDP IN Broadcast destination address information](https://discourse.nodered.org/t/udp-in-broadcast-destination-address-information/96300)
**Author:** [@staffmark](https://discourse.nodered.org/u/staffmark)\ **Replies:** 4\ **Last updated:** [31 March 2025 11:49 UTC](https://discourse.nodered.org/t/udp-in-broadcast-destination-address-information/96300 "2025-03-31T11:49:25Z")
Hi friends, Fast Question Have a "UDP IN" node, work fine but need detect is packet received is broadcast or not. Is possible? Detailed question Need know when udp packet received is unicast or broadcast, at this mom… --- ## [Button Group on small screen](https://discourse.nodered.org/t/button-group-on-small-screen/95482)
**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\ **Replies:** 16\ **Last updated:** [30 March 2025 10:47 UTC](https://discourse.nodered.org/t/button-group-on-small-screen/95482 "2025-03-30T10:47:11Z")
This button group is size 6x1 and in landscape on my Android phone (Firefox) it looks like this In portrait though it's like this. There is the merest hint of a (vertical?) scroll bar which does not show in the scree… [Previous page](https://discourse.nodered.org/c/general/7.md?page=43) [Next page](https://discourse.nodered.org/c/general/7.md?page=45)