# Latest

**URL:** https://discourse.nodered.org/latest.md?page=705

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

**Page:** 706

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## [Camera in node-RED](https://discourse.nodered.org/t/camera-in-node-red/52904)

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**Author:** [@andrzejo4](https://discourse.nodered.org/u/andrzejo4)\
**Replies:** 6\
**Last updated:** [29 October 2021 21:18 UTC](https://discourse.nodered.org/t/camera-in-node-red/52904 "2021-10-29T21:18:56Z")

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Hello everyone. I would like to use my camera that already works in HA on the ffmpeg platform, I have a view from this camera via rtsp. I want to make a mike that if the state of a sensor changes (on, off), the image fro…

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## [Dashboard url in the node dashboard widget no longer working](https://discourse.nodered.org/t/dashboard-url-in-the-node-dashboard-widget-no-longer-working/52950)

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**Author:** [@djelimon](https://discourse.nodered.org/u/djelimon)\
**Replies:** 4\
**Last updated:** [29 October 2021 20:33 UTC](https://discourse.nodered.org/t/dashboard-url-in-the-node-dashboard-widget-no-longer-working/52950 "2021-10-29T20:33:53Z")

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I bookmarked the dashboard so I can still get to it, but the dashboard widget in Node Red is pointing to the URL without the socket ID on the end, and when I navigate there by clicking the link I get an http 404 (not fou…

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## [Zigbee SONOFF SNZB-02](https://discourse.nodered.org/t/zigbee-sonoff-snzb-02/52909)

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**Author:** [@Georde](https://discourse.nodered.org/u/Georde)\
**Replies:** 4\
**Last updated:** [29 October 2021 20:19 UTC](https://discourse.nodered.org/t/zigbee-sonoff-snzb-02/52909 "2021-10-29T20:19:31Z")

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Hello. Please help me, I'm new to Node-Red. I want to read the temperature and humidity in the Sonoff SNZB-02 sensor ... I managed to connect to it with --- node-red-contrib-tuya-local --- picture attached .... From…

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## [Confusion regarding speed parameter](https://discourse.nodered.org/t/confusion-regarding-speed-parameter/52949)

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**Author:** [@umairjamali](https://discourse.nodered.org/u/umairjamali)\
**Replies:** 1\
**Last updated:** [29 October 2021 19:41 UTC](https://discourse.nodered.org/t/confusion-regarding-speed-parameter/52949 "2021-10-29T19:41:31Z")

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Hello everyone. This is my time with Cooja simulation. As I start my simulation (all nodes within each others' gray/green circles), the speed is around 10, 12% in first 9 seconds and suddenly we see speeds of more than 1…

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## [Access node-library from function-node](https://discourse.nodered.org/t/access-node-library-from-function-node/52930)

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**Author:** [@Dunken](https://discourse.nodered.org/u/Dunken)\
**Replies:** 2\
**Last updated:** [29 October 2021 15:46 UTC](https://discourse.nodered.org/t/access-node-library-from-function-node/52930 "2021-10-29T15:46:19Z")

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I already deployed my own node N which contains a library L. Can I access L out of a Function-node? If yes, how can I do that?

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## [MySQL select limit](https://discourse.nodered.org/t/mysql-select-limit/52940)

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**Author:** [@Lolcutus](https://discourse.nodered.org/u/Lolcutus)\
**Replies:** 5\
**Last updated:** [29 October 2021 14:53 UTC](https://discourse.nodered.org/t/mysql-select-limit/52940 "2021-10-29T14:53:50Z")

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Hey I try to query mySQL db. I use newMsg.topic = "select \* from energy order by \_time limit 1" ; and is working I got on element in payload. Also for limit 1-6 is working but everything bigger than 6 I go no answer …

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## [Pls help me to guide to the oracle DB cloud connection & simple CRUD Functions](https://discourse.nodered.org/t/pls-help-me-to-guide-to-the-oracle-db-cloud-connection-simple-crud-functions/52926)

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**Author:** [@clever99](https://discourse.nodered.org/u/clever99)\
**Replies:** 0\
**Last updated:** [29 October 2021 05:32 UTC](https://discourse.nodered.org/t/pls-help-me-to-guide-to-the-oracle-db-cloud-connection-simple-crud-functions/52926 "2021-10-29T05:32:48Z")

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## [MQTT syntax and best practices for the absolute beginner](https://discourse.nodered.org/t/mqtt-syntax-and-best-practices-for-the-absolute-beginner/52729)

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**Author:** [@bbartling](https://discourse.nodered.org/u/bbartling)\
**Replies:** 6\
**Last updated:** [29 October 2021 14:20 UTC](https://discourse.nodered.org/t/mqtt-syntax-and-best-practices-for-the-absolute-beginner/52729 "2021-10-29T14:20:28Z")

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Is there a general rule of thumb for MQTT message syntax, like how they are constructed? Is MQTT messages strings only or can MQTT handle json too? From what I can gather it seems like most MQTT messages published are a…

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## [Tfjs nodes does not work](https://discourse.nodered.org/t/tfjs-nodes-does-not-work/52568)

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**Author:** [@Farah](https://discourse.nodered.org/u/Farah)\
**Replies:** 5\
**Last updated:** [29 October 2021 14:15 UTC](https://discourse.nodered.org/t/tfjs-nodes-does-not-work/52568 "2021-10-29T14:15:56Z")

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Hello, I am using node red to run a NN inference. So Im using "node-red-contrib-tf-model" module, which version is 0.1.11 tfjs version = 1.5.1 The problem I am facing is that my nodes tf-function & tf-model appear on…

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## [How to collect information from multiple sources and have them seperately analyzed](https://discourse.nodered.org/t/how-to-collect-information-from-multiple-sources-and-have-them-seperately-analyzed/52938)

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**Author:** [@binderth](https://discourse.nodered.org/u/binderth)\
**Replies:** 3\
**Last updated:** [29 October 2021 13:59 UTC](https://discourse.nodered.org/t/how-to-collect-information-from-multiple-sources-and-have-them-seperately-analyzed/52938 "2021-10-29T13:59:57Z")

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My goal is to collect health information of different servers and have them put into MQTT-topics. As I don't like to copy the flows for each server (I'm collecting the exact same data, but from multiple sources), I come…

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## [Write file to Dashboard User Computer](https://discourse.nodered.org/t/write-file-to-dashboard-user-computer/52927)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 7\
**Last updated:** [29 October 2021 13:39 UTC](https://discourse.nodered.org/t/write-file-to-dashboard-user-computer/52927 "2021-10-29T13:39:13Z")

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Hello, i need to make a backup file but dont have any folder access with Node Red. So i searched for a solution and came up with the idea to manually download the backup file and upload the backupfile per Dashboard. I…

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## [How to use flow variabile without modifing it](https://discourse.nodered.org/t/how-to-use-flow-variabile-without-modifing-it/52937)

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**Author:** [@Giu-seppe](https://discourse.nodered.org/u/Giu-seppe)\
**Replies:** 3\
**Last updated:** [29 October 2021 12:51 UTC](https://discourse.nodered.org/t/how-to-use-flow-variabile-without-modifing-it/52937 "2021-10-29T12:51:56Z")

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Hi all, can anyone explain to me why the flow's variable created with the first inject node is modified in the other two without using the flow.set() method? \[{"id":"26a58557.18feca","type":"inject","z":"938038fa.b84288…

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## [Node red to OMNI REST API token request](https://discourse.nodered.org/t/node-red-to-omni-rest-api-token-request/52918)

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**Author:** [@Logan](https://discourse.nodered.org/u/Logan)\
**Replies:** 12\
**Last updated:** [29 October 2021 12:06 UTC](https://discourse.nodered.org/t/node-red-to-omni-rest-api-token-request/52918 "2021-10-29T12:06:39Z")

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Hi Everyone New to the community and the node-red platform. Please excuse my unfamiliarity with adding information to posts, etc. To the point of the post.. I have a Commercial controller that hosts a web server and is…

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## [How can i save changes in palette after page refresh?](https://discourse.nodered.org/t/how-can-i-save-changes-in-palette-after-page-refresh/52929)

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**Author:** [@prj](https://discourse.nodered.org/u/prj)\
**Replies:** 8\
**Last updated:** [29 October 2021 11:14 UTC](https://discourse.nodered.org/t/how-can-i-save-changes-in-palette-after-page-refresh/52929 "2021-10-29T11:14:28Z")

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I have created a button in palette to disable node and disabled it using api method PUT.but after page refresh node automatically enabled .Does anyone know how to deploy this node so i can disable it after page refresh a…

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## [RPi Zero W v2 coming shortly](https://discourse.nodered.org/t/rpi-zero-w-v2-coming-shortly/52873)

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**Author:** [@Bobo](https://discourse.nodered.org/u/Bobo)\
**Replies:** 5\
**Last updated:** [29 October 2021 11:13 UTC](https://discourse.nodered.org/t/rpi-zero-w-v2-coming-shortly/52873 "2021-10-29T11:13:41Z")

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Happy Days. Looks like it will be good for video processing work, cams etc. :star\_struck:

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## [Remote access is not connecting with network](https://discourse.nodered.org/t/remote-access-is-not-connecting-with-network/52891)

<div class="topic-metadata">

**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 1\
**Last updated:** [29 October 2021 10:33 UTC](https://discourse.nodered.org/t/remote-access-is-not-connecting-with-network/52891 "2021-10-29T10:33:38Z")

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Hi, install node-red-contrib-remote from manage pallet and did basing setting but it is not connecting with the network, i have seen on my command prompt that node-red-contrib-remote when i start flows see pic for refer…

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## [Ui template - multiple elements?](https://discourse.nodered.org/t/ui-template-multiple-elements/52869)

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**Author:** [@GeorgeCastanza](https://discourse.nodered.org/u/GeorgeCastanza)\
**Replies:** 3\
**Last updated:** [29 October 2021 09:41 UTC](https://discourse.nodered.org/t/ui-template-multiple-elements/52869 "2021-10-29T09:41:47Z")

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I'm attempting to combine two payloads in the dashboard. I've managed to combine them into 1 payload. Currently, this is what I have, in two different dashboard groups (Motion & Time) I'd like to get them into 1 grou…

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## [Reading outputs](https://discourse.nodered.org/t/reading-outputs/52913)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 2\
**Last updated:** [29 October 2021 09:26 UTC](https://discourse.nodered.org/t/reading-outputs/52913 "2021-10-29T09:26:01Z")

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Hi, I'm trying to read the outputs of a joystick, specifically the vectors x and y. 28/10/2021 23:04:02node: eeebad4a29142066 rested : msg : Object object payload: object angle: object direction: object distance: 0 vec…

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## [Hiii.... So I wanted to remove few created nodes with using code . So how can i remove ? without "npm remove \<name-of-module\>"](https://discourse.nodered.org/t/hiii-so-i-wanted-to-remove-few-created-nodes-with-using-code-so-how-can-i-remove-without-npm-remove-name-of-module/52754)

<div class="topic-metadata">

**Author:** [@prj](https://discourse.nodered.org/u/prj)\
**Replies:** 12\
**Last updated:** [29 October 2021 08:33 UTC](https://discourse.nodered.org/t/hiii-so-i-wanted-to-remove-few-created-nodes-with-using-code-so-how-can-i-remove-without-npm-remove-name-of-module/52754 "2021-10-29T08:33:01Z")

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For removing few custom nodes.

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## [Read an IMAP email and save it to a file](https://discourse.nodered.org/t/read-an-imap-email-and-save-it-to-a-file/52908)

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**Author:** [@crester](https://discourse.nodered.org/u/crester)\
**Replies:** 3\
**Last updated:** [29 October 2021 08:14 UTC](https://discourse.nodered.org/t/read-an-imap-email-and-save-it-to-a-file/52908 "2021-10-29T08:14:30Z")

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Hello. I need to read an e-mail using e-mail node and save it RAW to an eml file. As I receive the json object, I wonder if it is possible to do with this mechanism Thank you Regards. J

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## [How to host static content from a sub folder](https://discourse.nodered.org/t/how-to-host-static-content-from-a-sub-folder/52928)

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**Author:** [@Roaders](https://discourse.nodered.org/u/Roaders)\
**Replies:** 3\
**Last updated:** [29 October 2021 08:13 UTC](https://discourse.nodered.org/t/how-to-host-static-content-from-a-sub-folder/52928 "2021-10-29T08:13:10Z")

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Hi All I have some static content (and index page and some javascript) that I want to host on the same machine as node-red. Can I host this using node red? I saw something about static in the config file but it seemed t…

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## [Updating/installing any module takes a lot of time](https://discourse.nodered.org/t/updating-installing-any-module-takes-a-lot-of-time/52916)

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**Author:** [@JanickGers85](https://discourse.nodered.org/u/JanickGers85)\
**Replies:** 1\
**Last updated:** [29 October 2021 06:26 UTC](https://discourse.nodered.org/t/updating-installing-any-module-takes-a-lot-of-time/52916 "2021-10-29T06:26:47Z")

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Hello there! lately I can't updating/installing any module takes a lot of time; here a few info: 28 Oct 23:20:45 - \[info\] Node-RED version: v2.1.3 28 Oct 23:20:45 - \[info\] Node.js version: v14.18.1 28 Oct 23:20:45 - \[…

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## [\[SOLVED\]Not hearing sound using aplay via exec when running as service](https://discourse.nodered.org/t/solved-not-hearing-sound-using-aplay-via-exec-when-running-as-service/52924)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 1\
**Last updated:** [29 October 2021 05:52 UTC](https://discourse.nodered.org/t/solved-not-hearing-sound-using-aplay-via-exec-when-running-as-service/52924 "2021-10-29T05:52:54Z")

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Following on from how to get Node-RED to run as a service on a Pi I'm having trouble playing a sound via exec node So I'm trying to play a wav file out thru the Pi audio jack It works fine when I run Node-RED directly …

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## [\[Beta\] node-red-contrib-ui-uPlot-charts](https://discourse.nodered.org/t/beta-node-red-contrib-ui-uplot-charts/52758)

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**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 13\
**Last updated:** [28 October 2021 22:05 UTC](https://discourse.nodered.org/t/beta-node-red-contrib-ui-uplot-charts/52758 "2021-10-28T22:05:08Z")

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Anybody into charts (like me)? Perhaps somebody likes to try out this one sitting on my desk too long: Still BETA so NOT on flows.node-red.org Have fun. Any feedback highly welcome (even my time is limited so prog…

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## [Send RSS + Twitter results by email](https://discourse.nodered.org/t/send-rss-twitter-results-by-email/52847)

<div class="topic-metadata">

**Author:** [@Lafayette](https://discourse.nodered.org/u/Lafayette)\
**Replies:** 0\
**Last updated:** [27 October 2021 19:28 UTC](https://discourse.nodered.org/t/send-rss-twitter-results-by-email/52847 "2021-10-27T19:28:19Z")

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Hi, I'm new in Node-Red and i would like to know how it's possible to format the payload of a rss or a tweeter node to send it and read it correctly in an email. Thx.

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## [Hey! Is it possible to create a "bulls eye" graphical element using dashboard?](https://discourse.nodered.org/t/hey-is-it-possible-to-create-a-bulls-eye-graphical-element-using-dashboard/52900)

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**Author:** [@dwayne](https://discourse.nodered.org/u/dwayne)\
**Replies:** 4\
**Last updated:** [28 October 2021 18:54 UTC](https://discourse.nodered.org/t/hey-is-it-possible-to-create-a-bulls-eye-graphical-element-using-dashboard/52900 "2021-10-28T18:54:16Z")

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Essentially looking to have multiple layers of 360 gauges in a "bulls eye" format. I am building a lightning detector and want to be able to categorize strike data into rings such as 0-5 miles as the bulls eye, 5.1-10 mi…

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## [🎉 Node-RED 2.1.0 released](https://discourse.nodered.org/t/node-red-2-1-0-released/52505)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 11\
**Last updated:** [28 October 2021 18:42 UTC](https://discourse.nodered.org/t/node-red-2-1-0-released/52505 "2021-10-28T18:42:35Z")

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Node-RED 2.1.0 has been released! Full details of what's in the release available on the blog - Version 2.1 released : Node-RED Thanks to everyone who contributed to this release and helped test the betas.

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## [Timer to turn switch On/Off](https://discourse.nodered.org/t/timer-to-turn-switch-on-off/52849)

<div class="topic-metadata">

**Author:** [@dpatel2016](https://discourse.nodered.org/u/dpatel2016)\
**Replies:** 5\
**Last updated:** [28 October 2021 18:42 UTC](https://discourse.nodered.org/t/timer-to-turn-switch-on-off/52849 "2021-10-28T18:42:30Z")

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I want to turn on the switch for an hour and then keep it off for an hour. Then this repeats as long as I want it. Basically, on for a set time and then off for a set time, then on for a set time, and off for a set time…

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## [Make Node-RED start at startup on a Pi](https://discourse.nodered.org/t/make-node-red-start-at-startup-on-a-pi/52905)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [28 October 2021 18:40 UTC](https://discourse.nodered.org/t/make-node-red-start-at-startup-on-a-pi/52905 "2021-10-28T18:40:22Z")

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Sorry for a newbie question :slight\_smile: But I don't normally autostart NR on any of my Pi but I'd like to on one of them Is there any easy one liner to set it up?

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## [Subflow ui elements](https://discourse.nodered.org/t/subflow-ui-elements/52902)

<div class="topic-metadata">

**Author:** [@xjust](https://discourse.nodered.org/u/xjust)\
**Replies:** 2\
**Last updated:** [28 October 2021 18:15 UTC](https://discourse.nodered.org/t/subflow-ui-elements/52902 "2021-10-28T18:15:11Z")

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Since version 2.1 nodered has the possibility for subflow ui elements though ENV values? Anybody has an example on how to make this happen ? thank you

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