# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1217

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

**Page:** 1218

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## [Create message from variable?](https://discourse.nodered.org/t/create-message-from-variable/16547)

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**Author:** [@softy2k](https://discourse.nodered.org/u/softy2k)\
**Replies:** 4\
**Last updated:** [10 October 2019 12:14 UTC](https://discourse.nodered.org/t/create-message-from-variable/16547 "2019-10-10T12:14:18Z")

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Hello Is possible to generate a msg from a variable ? Suppose I need a msg , like msg.Out. But, "Out" comes from the variable. var x = "Out"; var value = "abc"; (function or something else) =\> msg.Out = value;

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## [How to manually install a node into the library](https://discourse.nodered.org/t/how-to-manually-install-a-node-into-the-library/16537)

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**Author:** [@bracketmounts](https://discourse.nodered.org/u/bracketmounts)\
**Replies:** 2\
**Last updated:** [10 October 2019 10:56 UTC](https://discourse.nodered.org/t/how-to-manually-install-a-node-into-the-library/16537 "2019-10-10T10:56:10Z")

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Hi guys, I am quite new to all of this and I have been stuck for some time on getting a flow going. I have the flow and manually added 6 of the 7 flows required from the pallette. I get an error " Flows stopped due to m…

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## [Newbie fails with json formula](https://discourse.nodered.org/t/newbie-fails-with-json-formula/16539)

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**Author:** [@soerenh](https://discourse.nodered.org/u/soerenh)\
**Replies:** 2\
**Last updated:** [10 October 2019 11:06 UTC](https://discourse.nodered.org/t/newbie-fails-with-json-formula/16539 "2019-10-10T11:06:48Z")

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Hello, i've just started with nodered and set up the first routines, flows etc. But i have some problems with controlling my lamps. I use IKEAs Tradfri lamps, which want their brightness value as JSON like {"brightness…

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## [Exhibition control project](https://discourse.nodered.org/t/exhibition-control-project/16512)

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**Author:** [@mindthegap](https://discourse.nodered.org/u/mindthegap)\
**Replies:** 8\
**Last updated:** [10 October 2019 09:56 UTC](https://discourse.nodered.org/t/exhibition-control-project/16512 "2019-10-10T09:56:41Z")

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I'm looking for a way to implement a small exhibition control with Node-RED. Main functions are WOL and shutdown of some PCs and their Alive state via UDP or ping. a HTML floor plan would be nice How can i implent a cr…

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## [Take care while working with VS Code](https://discourse.nodered.org/t/take-care-while-working-with-vs-code/16466)

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**Author:** [@SeRiusRod](https://discourse.nodered.org/u/SeRiusRod)\
**Replies:** 23\
**Last updated:** [10 October 2019 06:52 UTC](https://discourse.nodered.org/t/take-care-while-working-with-vs-code/16466 "2019-10-10T06:52:05Z")

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While it seems a little offtopic, I wanted to post a warning here to alert anyone that uses Visual Studio Code on their developments. It happened to me something that I never expected nowadays: I lost all the work done i…

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## [Trigger a flow when ontouch screen](https://discourse.nodered.org/t/trigger-a-flow-when-ontouch-screen/16527)

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**Author:** [@anguslou](https://discourse.nodered.org/u/anguslou)\
**Replies:** 1\
**Last updated:** [10 October 2019 06:07 UTC](https://discourse.nodered.org/t/trigger-a-flow-when-ontouch-screen/16527 "2019-10-10T06:07:20Z")

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Hi all, I have a node-red flow running on a touch screen. And I want to run the flow when a finger is touched on anywhere on touch screen, can't find any node doing this. Would someone help? Angus

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## [Import library to Python3 function node](https://discourse.nodered.org/t/import-library-to-python3-function-node/16528)

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**Author:** [@anguslou](https://discourse.nodered.org/u/anguslou)\
**Replies:** 1\
**Last updated:** [10 October 2019 05:32 UTC](https://discourse.nodered.org/t/import-library-to-python3-function-node/16528 "2019-10-10T05:32:46Z")

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Hi, I have a python3 function node that needs to import python library like pytorch, I tried but seems cannot import library just like other python compilers. Any idea? Angus

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## [Template node in UI Dashboard does not show ECharts?](https://discourse.nodered.org/t/template-node-in-ui-dashboard-does-not-show-echarts/12951)

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**Author:** [@Tommy200907](https://discourse.nodered.org/u/Tommy200907)\
**Replies:** 6\
**Last updated:** [10 October 2019 04:46 UTC](https://discourse.nodered.org/t/template-node-in-ui-dashboard-does-not-show-echarts/12951 "2019-10-10T04:46:00Z")

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I am trying to use EChart javascript component in the template node of UI Dashboard. The simple test code is as follows. The EChart component does not display in Web UI. Is the problem due to the usage of ng-style or so…

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## [Get txt file in a URL directory and send to mysql DB](https://discourse.nodered.org/t/get-txt-file-in-a-url-directory-and-send-to-mysql-db/16525)

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**Author:** [@federicobalm](https://discourse.nodered.org/u/federicobalm)\
**Replies:** 1\
**Last updated:** [9 October 2019 23:30 UTC](https://discourse.nodered.org/t/get-txt-file-in-a-url-directory-and-send-to-mysql-db/16525 "2019-10-09T23:30:20Z")

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Hello, I write from Argentina and I clarify that my English is quite bad, sorry for that. Let's go to the important thing! ... in this web directory http://ionos.ingv.it/Tucuman/data/ every 20 minutes a new text file (.…

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## [Problem after upgrading Node-RED to 1.0.1](https://discourse.nodered.org/t/problem-after-upgrading-node-red-to-1-0-1/16514)

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**Author:** [@LucLN](https://discourse.nodered.org/u/LucLN)\
**Replies:** 2\
**Last updated:** [9 October 2019 21:17 UTC](https://discourse.nodered.org/t/problem-after-upgrading-node-red-to-1-0-1/16514 "2019-10-09T21:17:21Z")

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.. just updated a freshly installed Raspberry Pi with Buster to the latest version of Node-RED as described under https://nodered.org/docs/getting-started/raspberrypi .. Is there any reason why nodes installed via "mana…

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## [External variables in Range node](https://discourse.nodered.org/t/external-variables-in-range-node/16515)

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**Author:** [@iungo](https://discourse.nodered.org/u/iungo)\
**Replies:** 3\
**Last updated:** [9 October 2019 19:21 UTC](https://discourse.nodered.org/t/external-variables-in-range-node/16515 "2019-10-09T19:21:59Z")

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Is it possible to use external variables in the Range node?

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## [Problem with hue magic =\> hue switch =\> no payload](https://discourse.nodered.org/t/problem-with-hue-magic-hue-switch-no-payload/16306)

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**Author:** [@123dabei](https://discourse.nodered.org/u/123dabei)\
**Replies:** 3\
**Last updated:** [9 October 2019 17:50 UTC](https://discourse.nodered.org/t/problem-with-hue-magic-hue-switch-no-payload/16306 "2019-10-09T17:50:55Z")

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I am using a HueSwitch-Node in hue magic. The switch itself is configured and functioning within the hue bridge. The switch can turn lights on and off. Now, I want to use the switch in Node-red. BUT the switch node doe…

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## [Issue on my node red on raspberry](https://discourse.nodered.org/t/issue-on-my-node-red-on-raspberry/16510)

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**Author:** [@christopheblain](https://discourse.nodered.org/u/christopheblain)\
**Replies:** 6\
**Last updated:** [9 October 2019 17:42 UTC](https://discourse.nodered.org/t/issue-on-my-node-red-on-raspberry/16510 "2019-10-09T17:42:04Z")

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dear all, since 2 days, I have an issue with my not red, all was working fine before but now I fixed to an issue and I need your help :stuck\_out\_tongue: In copy the log and error I have: To find more nodes and example…

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## [Visualize 3D orientation?](https://discourse.nodered.org/t/visualize-3d-orientation/16501)

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**Author:** [@Eric](https://discourse.nodered.org/u/Eric)\
**Replies:** 2\
**Last updated:** [9 October 2019 15:36 UTC](https://discourse.nodered.org/t/visualize-3d-orientation/16501 "2019-10-09T15:36:52Z")

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Hi, If I have sensor data coming from an accelerometer (XYZ data showing direction of gravity), is there any way to visualize orientation in a dashboard component in node-red? I can show the magnitude of the 3 axises i…

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## [Homekit relay to foutain and light bulb](https://discourse.nodered.org/t/homekit-relay-to-foutain-and-light-bulb/15890)

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**Author:** [@Eervi](https://discourse.nodered.org/u/Eervi)\
**Replies:** 16\
**Last updated:** [9 October 2019 15:21 UTC](https://discourse.nodered.org/t/homekit-relay-to-foutain-and-light-bulb/15890 "2019-10-09T15:21:06Z")

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Hej All you :slight\_smile: What I have: Raspi3 2 x 2relays Camera Speaker, Microphone and USB-soundcard 3 x waterpump 1 x LED-light bulp DHT22 sensor ( tempereture and humidity Using Homekit and SIRI Everything is …

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## [Embed dashboard in the editor](https://discourse.nodered.org/t/embed-dashboard-in-the-editor/16308)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [9 October 2019 15:17 UTC](https://discourse.nodered.org/t/embed-dashboard-in-the-editor/16308 "2019-10-09T15:17:41Z")

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Is it possible to have a node that displays the dashboard in the editor .....runs away quickly and hides :slight\_smile: I currently use a Windows app called Deskpins so that I can use the dashboard and watch what's hap…

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## [Notification node questions](https://discourse.nodered.org/t/notification-node-questions/15255)

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**Author:** [@sysman83](https://discourse.nodered.org/u/sysman83)\
**Replies:** 14\
**Last updated:** [9 October 2019 13:58 UTC](https://discourse.nodered.org/t/notification-node-questions/15255 "2019-10-09T13:58:24Z")

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Hi guys, I would like to show a popup window using notification node but I am facing two issues. Firstly I cannot change the size of fonts and secondly I cannot change dynamic the timeout of node. Thank you for a help…

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## [\[Announce\] Dashboard Version 2.17.0, 1](https://discourse.nodered.org/t/announce-dashboard-version-2-17-0-1/16278)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 4\
**Last updated:** [9 October 2019 13:32 UTC](https://discourse.nodered.org/t/announce-dashboard-version-2-17-0-1/16278 "2019-10-09T13:32:23Z")

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Hi everyone, We have just published Dashboard version 2.17.0 Fixes Better vertical align larger button icons if supplied via label text Fix ui\_notification node to not accept raw HTML by default, add option to allow. …

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## [Node-google update calendar event](https://discourse.nodered.org/t/node-google-update-calendar-event/4691)

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**Author:** [@lukasli](https://discourse.nodered.org/u/lukasli)\
**Replies:** 4\
**Last updated:** [9 October 2019 11:43 UTC](https://discourse.nodered.org/t/node-google-update-calendar-event/4691 "2019-10-09T11:43:21Z")

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Hi there, I was wondering if someone is experienced with updating google calendar events with the node-google? I am able to create events with the following function: msg.payload = { 'colorId': 3, 'summary': 'summary…

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## [Calculations within node-red](https://discourse.nodered.org/t/calculations-within-node-red/16505)

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**Author:** [@vinisz](https://discourse.nodered.org/u/vinisz)\
**Replies:** 1\
**Last updated:** [9 October 2019 11:39 UTC](https://discourse.nodered.org/t/calculations-within-node-red/16505 "2019-10-09T11:39:07Z")

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Hi All, quite new here, so don't blame me posting in wrong category. I need node-red to do a specific calculation, how should I do that and is the function node my best option here ? The calculation is newpayload = 1…

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## [Can 't install node-red-contrib-audio 1.0.2](https://discourse.nodered.org/t/can-t-install-node-red-contrib-audio-1-0-2/16502)

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**Author:** [@maku12](https://discourse.nodered.org/u/maku12)\
**Replies:** 2\
**Last updated:** [9 October 2019 11:31 UTC](https://discourse.nodered.org/t/can-t-install-node-red-contrib-audio-1-0-2/16502 "2019-10-09T11:31:44Z")

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Hi, i want to install on a fresh raspbian buster installation with node red the following audio node: i got following error log: Please advise: 2019-10-09T10:55:30.909Z installieren : node-red-contrib-audio 1.0.2 2…

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## [Docker npm install + persistence](https://discourse.nodered.org/t/docker-npm-install-persistence/16496)

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**Author:** [@ssahlender](https://discourse.nodered.org/u/ssahlender)\
**Replies:** 3\
**Last updated:** [9 October 2019 10:45 UTC](https://discourse.nodered.org/t/docker-npm-install-persistence/16496 "2019-10-09T10:45:23Z")

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Hi Together, I have some question about docker and it's persistence especially for packages I installed with npm install. After reading the documentation several times I wanted to ask if I understand it correctly. Yo…

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## [Node is getting deleted on click of backspace on search field](https://discourse.nodered.org/t/node-is-getting-deleted-on-click-of-backspace-on-search-field/16423)

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**Author:** [@Surendra](https://discourse.nodered.org/u/Surendra)\
**Replies:** 4\
**Last updated:** [9 October 2019 05:53 UTC](https://discourse.nodered.org/t/node-is-getting-deleted-on-click-of-backspace-on-search-field/16423 "2019-10-09T05:53:40Z")

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Hello Guys, I have created custom node in which I have search box will search the label from list of labels. Issue : when I type a keywords in searchbox and uses back space button to change my search keywords, that tim…

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## [Ideas for a "database-like" structure in global context](https://discourse.nodered.org/t/ideas-for-a-database-like-structure-in-global-context/16358)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 14\
**Last updated:** [8 October 2019 21:46 UTC](https://discourse.nodered.org/t/ideas-for-a-database-like-structure-in-global-context/16358 "2019-10-08T21:46:21Z")

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Hi all I'm looking for some critique of my implementation of lighting control in NR. For a while I've just set up dashboards with static controls for each light, but I'd like to move towards a dynamic configuration. So…

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## [RPz(W) wlan down detection - help](https://discourse.nodered.org/t/rpz-w-wlan-down-detection-help/16460)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 30\
**Last updated:** [8 October 2019 19:47 UTC](https://discourse.nodered.org/t/rpz-w-wlan-down-detection-help/16460 "2019-10-08T19:47:29Z")

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I have this problem where I have a RPz(W) and now and then the wlan0 interface goes down. I don't know if it is because the WAP goes down - which I hope it isn't happening - or something on the RPI is stopping the inter…

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## [Help Parsing HTTP payload information](https://discourse.nodered.org/t/help-parsing-http-payload-information/16436)

<div class="topic-metadata">

**Author:** [@Exit2Studios](https://discourse.nodered.org/u/Exit2Studios)\
**Replies:** 11\
**Last updated:** [8 October 2019 18:55 UTC](https://discourse.nodered.org/t/help-parsing-http-payload-information/16436 "2019-10-08T18:55:36Z")

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I'm using an HTTP API (OctoPrint Enclosure plugin for those that care) that returns the following payload: payload: "\[{"status": false, "index\_id": 3}, {"status": false, "index\_id": 4}, {"status": false, "index\_id": 5},…

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## [After upgrade error message](https://discourse.nodered.org/t/after-upgrade-error-message/16478)

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**Author:** [@menno](https://discourse.nodered.org/u/menno)\
**Replies:** 4\
**Last updated:** [8 October 2019 18:18 UTC](https://discourse.nodered.org/t/after-upgrade-error-message/16478 "2019-10-08T18:18:01Z")

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Hi guys after upgrading i still have the RED error on top of my page Using an unsupported version of Node.js You should upgrade to the latest Node.js LTS release can you guys please help me with this i googled and g…

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## [Compare two HTTP GET Requests](https://discourse.nodered.org/t/compare-two-http-get-requests/16469)

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**Author:** [@ebnerjoh](https://discourse.nodered.org/u/ebnerjoh)\
**Replies:** 2\
**Last updated:** [8 October 2019 15:34 UTC](https://discourse.nodered.org/t/compare-two-http-get-requests/16469 "2019-10-08T15:34:06Z")

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Dear all, I have a special project, where I want to use the output of two different HTTP GET Requests as Input for an automation. I am querying two different IP Systems with HTTP Get. One System I am querying every mi…

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## [Dynamic style change between Light and Dark](https://discourse.nodered.org/t/dynamic-style-change-between-light-and-dark/4977)

<div class="topic-metadata">

**Author:** [@kaktoos](https://discourse.nodered.org/u/kaktoos)\
**Replies:** 19\
**Last updated:** [8 October 2019 13:47 UTC](https://discourse.nodered.org/t/dynamic-style-change-between-light-and-dark/4977 "2019-10-08T13:47:40Z")

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Hi All, I'm looking for a way to change style dynamically based on time of the day. During day hours style should be light and during night style should be dark. Do you know how to work on this topic? ui control node…

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## [Storing data in flow without using flow.set (array of objects)](https://discourse.nodered.org/t/storing-data-in-flow-without-using-flow-set-array-of-objects/16461)

<div class="topic-metadata">

**Author:** [@homeplayer](https://discourse.nodered.org/u/homeplayer)\
**Replies:** 6\
**Last updated:** [8 October 2019 12:23 UTC](https://discourse.nodered.org/t/storing-data-in-flow-without-using-flow-set-array-of-objects/16461 "2019-10-08T12:23:58Z")

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I am a noob when it comes to programming, See me as a Frankenstein coder. The data stored in flow data = \[ {"ps":"previous state","type":"1","hold":"0","count":0,"name":"name","resrv":0}, {"ps":false,"type":0,"hold":0,…

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