# Latest

**URL:** https://discourse.nodered.org/latest.md?page=730

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

**Page:** 731

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## [SubFlow wires disconnected frequently](https://discourse.nodered.org/t/subflow-wires-disconnected-frequently/50677)

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**Author:** [@kamaal](https://discourse.nodered.org/u/kamaal)\
**Replies:** 4\
**Last updated:** [21 September 2021 09:18 UTC](https://discourse.nodered.org/t/subflow-wires-disconnected-frequently/50677 "2021-09-21T09:18:27Z")

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Preformatted textWe are noticing frequent disconnects to input and output nodes . There is nothing in the logs to detect any issue. But the frequency of the nodes disconnecting in subflow is high. sample FLow \[{"id":"…

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## [\[beta testing\] nodes for live streaming mp4](https://discourse.nodered.org/t/beta-testing-nodes-for-live-streaming-mp4/33743)

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**Author:** [@kevinGodell](https://discourse.nodered.org/u/kevinGodell)\
**Replies:** 338\
**Last updated:** [21 September 2021 08:57 UTC](https://discourse.nodered.org/t/beta-testing-nodes-for-live-streaming-mp4/33743 "2021-09-21T08:57:08Z")

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For those of you interested in re-streaming your ip cams or other videos sources as HLS and playable in the browser or app, I have some nodes that are available to test. npm install kevinGodell/node-red-contrib-mp4frag …

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## [Use one function-node for many lights](https://discourse.nodered.org/t/use-one-function-node-for-many-lights/51318)

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**Author:** [@burton666](https://discourse.nodered.org/u/burton666)\
**Replies:** 6\
**Last updated:** [21 September 2021 08:44 UTC](https://discourse.nodered.org/t/use-one-function-node-for-many-lights/51318 "2021-09-21T08:44:45Z")

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Ok, sorry for the bad title but I could not figure out how to formulate myself. I have several lights where I use several separate flows that are almost identical. It checks for motion and for the time of day and the rea…

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## [OPC-UA Server Compact](https://discourse.nodered.org/t/opc-ua-server-compact/15723)

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**Author:** [@smalhao](https://discourse.nodered.org/u/smalhao)\
**Replies:** 1\
**Last updated:** [21 September 2021 08:42 UTC](https://discourse.nodered.org/t/opc-ua-server-compact/15723 "2021-09-21T08:42:17Z")

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I'm trying to configure the node block OPC-UA Server Compact, I tried to follow one of the examples but I can't get the value of the inductive sensor in Ua Expert that I can even access the variable defined in the code b…

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## [If(.. && ...) Please help with this bit of code](https://discourse.nodered.org/t/if-please-help-with-this-bit-of-code/51278)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 13\
**Last updated:** [21 September 2021 07:04 UTC](https://discourse.nodered.org/t/if-please-help-with-this-bit-of-code/51278 "2021-09-21T07:04:37Z")

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I have never been good at handling this structure. This bit of code should (maybe even did used to) work. But now it is failing and I am getting 22 for x. if(Array.isArray(msg.table) && msg.table.length) { x = msg…

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## [credentialSecret](https://discourse.nodered.org/t/credentialsecret/51316)

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**Author:** [@russ57](https://discourse.nodered.org/u/russ57)\
**Replies:** 2\
**Last updated:** [21 September 2021 07:03 UTC](https://discourse.nodered.org/t/credentialsecret/51316 "2021-09-21T07:03:31Z")

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hi i'm trying to set credentialSecret, in preparation to moving my installation to a new Pi. I uncomment the credentialSecret line in settings.js, and put in my secret password. On restart i get credentialSecret: 'xx…

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## [Issues/questions about Modbus TCP and controlling the application with context](https://discourse.nodered.org/t/issues-questions-about-modbus-tcp-and-controlling-the-application-with-context/51264)

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**Author:** [@stgj](https://discourse.nodered.org/u/stgj)\
**Replies:** 7\
**Last updated:** [21 September 2021 05:14 UTC](https://discourse.nodered.org/t/issues-questions-about-modbus-tcp-and-controlling-the-application-with-context/51264 "2021-09-21T05:14:23Z")

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I have a system that controls heating of metal through temperature sensors and a PID controller in Node-red. I use context too file for the controlling and storing of setpoints, temperature, statuses and so forth. I ha…

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## [Ng-if with includes method in template node?](https://discourse.nodered.org/t/ng-if-with-includes-method-in-template-node/51284)

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**Author:** [@geoseph](https://discourse.nodered.org/u/geoseph)\
**Replies:** 1\
**Last updated:** [21 September 2021 04:22 UTC](https://discourse.nodered.org/t/ng-if-with-includes-method-in-template-node/51284 "2021-09-21T04:22:40Z")

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Hello everyone, I have an array of objects that have URL properties, with values that contain giphy.com or youtube.com I'm trying to present them as either an Image or a Embedded Video depending on their src. What am …

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## [Node red to HMI connection](https://discourse.nodered.org/t/node-red-to-hmi-connection/50790)

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**Author:** [@Vanj](https://discourse.nodered.org/u/Vanj)\
**Replies:** 1\
**Last updated:** [21 September 2021 01:06 UTC](https://discourse.nodered.org/t/node-red-to-hmi-connection/50790 "2021-09-21T01:06:41Z")

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Hello, I want to ask a help in my project. I am creating a single monitor for multiple machines in our company, the problem is. I cant use Omron PLC to create a connection, only in HMI. I tried to communicate using node-…

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## [Is there a professional IDE hidden in node red?](https://discourse.nodered.org/t/is-there-a-professional-ide-hidden-in-node-red/51313)

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**Author:** [@essereumano](https://discourse.nodered.org/u/essereumano)\
**Replies:** 0\
**Last updated:** [20 September 2021 23:54 UTC](https://discourse.nodered.org/t/is-there-a-professional-ide-hidden-in-node-red/51313 "2021-09-20T23:54:08Z")

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Hi everyone, when I found out about Node Red I wanted to try it immediately, certainly due to its ease of use and its accommodating graphics, I treated it more like a toy than a development system, I created more and mor…

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## [Hubitat to Node-Red Hue, Saturation, and Level combination](https://discourse.nodered.org/t/hubitat-to-node-red-hue-saturation-and-level-combination/51312)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 0\
**Last updated:** [20 September 2021 23:43 UTC](https://discourse.nodered.org/t/hubitat-to-node-red-hue-saturation-and-level-combination/51312 "2021-09-20T23:43:27Z")

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Not a full project, but in case someone looks here instead of the Hubitat forum, I wanted to share a flow. I had discussed a challenge with separating input from Hubitat into Node-Red. The situation is that when a colo…

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## [How to connect android phone via websocket with Node-RED to recieve messages](https://discourse.nodered.org/t/how-to-connect-android-phone-via-websocket-with-node-red-to-recieve-messages/51127)

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**Author:** [@peterminztee](https://discourse.nodered.org/u/peterminztee)\
**Replies:** 8\
**Last updated:** [20 September 2021 21:20 UTC](https://discourse.nodered.org/t/how-to-connect-android-phone-via-websocket-with-node-red-to-recieve-messages/51127 "2021-09-20T21:20:55Z")

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Hi I am currently working on a project for my university and I am not really familiar with Node-RED, and Java Websockets. Bascily the Project is a voice assistant: you speak into a Rasspberry PI which runs Rhasspy(voi…

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## [Adding external fonts to dashboard](https://discourse.nodered.org/t/adding-external-fonts-to-dashboard/51025)

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**Author:** [@jgreenmt](https://discourse.nodered.org/u/jgreenmt)\
**Replies:** 18\
**Last updated:** [20 September 2021 20:13 UTC](https://discourse.nodered.org/t/adding-external-fonts-to-dashboard/51025 "2021-09-20T20:13:32Z")

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Hello, I am trying to use an external font for the ui\_text object on the dashboard. I have researched and tried many options and have not found a working solution. This has led me to two thoughts. Where can I find wha…

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## [Output standard template script data](https://discourse.nodered.org/t/output-standard-template-script-data/51304)

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**Author:** [@notnice](https://discourse.nodered.org/u/notnice)\
**Replies:** 0\
**Last updated:** [20 September 2021 19:44 UTC](https://discourse.nodered.org/t/output-standard-template-script-data/51304 "2021-09-20T19:44:24Z")

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I want users to confirm a web form action in a standard template before its POST'ed to prevent them accidentally erasing some data in the next function. I have this script in my html which returns true or false on test,…

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## [Issues while experimenting with node-red-contrib-ui-mp4frag](https://discourse.nodered.org/t/issues-while-experimenting-with-node-red-contrib-ui-mp4frag/51257)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 3\
**Last updated:** [20 September 2021 15:17 UTC](https://discourse.nodered.org/t/issues-while-experimenting-with-node-red-contrib-ui-mp4frag/51257 "2021-09-20T15:17:17Z")

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Hi folks, I started playing with the node-red-contrib-ui-mp4frag node of @kevinGodell, but I have a few beginner issues: When I try the example flow from the readme page, the "France 24 News" stream does not start pl…

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## [Uibuilder Webpack Wiki](https://discourse.nodered.org/t/uibuilder-webpack-wiki/51131)

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**Author:** [@joinke](https://discourse.nodered.org/u/joinke)\
**Replies:** 7\
**Last updated:** [20 September 2021 14:53 UTC](https://discourse.nodered.org/t/uibuilder-webpack-wiki/51131 "2021-09-20T14:53:55Z")

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Hello, I've got some questions on the Wiki wrt to this topic :slight\_smile: (Node Red : 2.0.5) (UiBuilder : 4.1.1) (copy-webpack-plugin@9.0.1) https://github.com/TotallyInformation/node-red-contrib-uibuilder/wiki/Us…

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## [Simple temp control](https://discourse.nodered.org/t/simple-temp-control/50990)

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**Author:** [@9toejack](https://discourse.nodered.org/u/9toejack)\
**Replies:** 13\
**Last updated:** [20 September 2021 14:31 UTC](https://discourse.nodered.org/t/simple-temp-control/50990 "2021-09-20T14:31:01Z")

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This may have been answered but I have search and I'm probably not using the correct verbiage. I want to control a valve, (open or close) depending on on actual temp and set temp. I want to be able to set temp manuall…

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## [Apply border CSS to one page](https://discourse.nodered.org/t/apply-border-css-to-one-page/51287)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 1\
**Last updated:** [20 September 2021 13:38 UTC](https://discourse.nodered.org/t/apply-border-css-to-one-page/51287 "2021-09-20T13:38:50Z")

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Hello I currently have a template node with the following code: .nr-dashboard-theme ui-card-panel { background: transparent; border:none; } I want to maintain a border around some of my gauges on different tabs. Is…

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## [How check undefined msg in a function node?](https://discourse.nodered.org/t/how-check-undefined-msg-in-a-function-node/51263)

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**Author:** [@essereumano](https://discourse.nodered.org/u/essereumano)\
**Replies:** 30\
**Last updated:** [20 September 2021 12:45 UTC](https://discourse.nodered.org/t/how-check-undefined-msg-in-a-function-node/51263 "2021-09-20T12:45:56Z")

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Hi again everyone, this time I'm going crazy with the function node. To understand which message arrived (each has a different name and arrives at different times) I tried various ways but seems they are wrong: if (!ms…

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## [Dashboard not displaying correctly on ipad](https://discourse.nodered.org/t/dashboard-not-displaying-correctly-on-ipad/51202)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 5\
**Last updated:** [20 September 2021 12:04 UTC](https://discourse.nodered.org/t/dashboard-not-displaying-correctly-on-ipad/51202 "2021-09-20T12:04:21Z")

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Hello I have an iPad Air 10.9 inch and I can’t get the node red dashboard to display in full screen mode properly. As you can see in the attached screenshot there’s a white bar at the top. I am using safari and I added …

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## [Node-red doesn't start](https://discourse.nodered.org/t/node-red-doesnt-start/51274)

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**Author:** [@federico.barenghi](https://discourse.nodered.org/u/federico.barenghi)\
**Replies:** 10\
**Last updated:** [20 September 2021 11:28 UTC](https://discourse.nodered.org/t/node-red-doesnt-start/51274 "2021-09-20T11:28:43Z")

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I start node-red but i have this error and the web interface is not loading nothing. How can I fix this?

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## [Gateway Time-out error](https://discourse.nodered.org/t/gateway-time-out-error/51267)

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**Author:** [@Aakash](https://discourse.nodered.org/u/Aakash)\
**Replies:** 2\
**Last updated:** [20 September 2021 11:13 UTC](https://discourse.nodered.org/t/gateway-time-out-error/51267 "2021-09-20T11:13:18Z")

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Hi, I got this error while working midway on node red. I got a pop up saying session expired and it logged out of the flows, but when I am trying to log back in again it says something like "Gateway time-out" ngix. Has …

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## [Modbus help to read messages](https://discourse.nodered.org/t/modbus-help-to-read-messages/51282)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 0\
**Last updated:** [20 September 2021 11:05 UTC](https://discourse.nodered.org/t/modbus-help-to-read-messages/51282 "2021-09-20T11:05:02Z")

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Hi all, I'm new in modbus protocol communication and I would ask few questions. I have a slave and an excel with a table of registers, quantities and description and I would understant how to receive the data in correct…

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## [Changing the color of the font awesome V5 or 6, possible?](https://discourse.nodered.org/t/changing-the-color-of-the-font-awesome-v5-or-6-possible/51176)

<div class="topic-metadata">

**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 5\
**Last updated:** [20 September 2021 09:45 UTC](https://discourse.nodered.org/t/changing-the-color-of-the-font-awesome-v5-or-6-possible/51176 "2021-09-20T09:45:50Z")

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Hi, I'd like to bounce around the topic of awesome V5 or 6 fonts. I can display this car for example, but I can't make it change color. Do you have any idea if this is feasible? Here are the 2 templates I use to displ…

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## [Postgresql - how can I create table](https://discourse.nodered.org/t/postgresql-how-can-i-create-table/51273)

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**Author:** [@vishnupriya](https://discourse.nodered.org/u/vishnupriya)\
**Replies:** 1\
**Last updated:** [20 September 2021 09:03 UTC](https://discourse.nodered.org/t/postgresql-how-can-i-create-table/51273 "2021-09-20T09:03:14Z")

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I'm trying to create a table in my pgadmin using node-red. But I'm not getting the table in pgadmin even after deploying it. This is my Flow Inject Node is given below command given in msg.payload = CREATE TABL…

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## [Suggestion Request Color Bulb state synchronization](https://discourse.nodered.org/t/suggestion-request-color-bulb-state-synchronization/51019)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 13\
**Last updated:** [19 September 2021 23:28 UTC](https://discourse.nodered.org/t/suggestion-request-color-bulb-state-synchronization/51019 "2021-09-19T23:28:20Z")

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Warning, this post may be annoyingly long, but there is a lot of context to my question. I am hoping maybe in the rubber ducking sense, just laying it all out might help point to a solution. I am using NR as the central…

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## [Move widgets under a group](https://discourse.nodered.org/t/move-widgets-under-a-group/51259)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 8\
**Last updated:** [19 September 2021 23:00 UTC](https://discourse.nodered.org/t/move-widgets-under-a-group/51259 "2021-09-19T23:00:01Z")

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Hi, I've such situation: a group with for sliders, I want to put down there some bttons with width 1, if I crate a new one it will put on the new colum on the right. Can I put instead down, like the copy/past I realize…

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## [Software PWM on RPi](https://discourse.nodered.org/t/software-pwm-on-rpi/51254)

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**Author:** [@wester.weerdt](https://discourse.nodered.org/u/wester.weerdt)\
**Replies:** 7\
**Last updated:** [19 September 2021 22:47 UTC](https://discourse.nodered.org/t/software-pwm-on-rpi/51254 "2021-09-19T22:47:20Z")

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I'd like to create a node for the Software PWM which supports any GPIO pins and support a fixed frequency(38kHz) and fixed duty cycle(50%). In other word, I just need 5~6 GPIO pins that output 38kHz/50% PWM signal. I h…

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## [Access a payload property by using a string variable](https://discourse.nodered.org/t/access-a-payload-property-by-using-a-string-variable/50981)

<div class="topic-metadata">

**Author:** [@Daniele-Tampieri](https://discourse.nodered.org/u/Daniele-Tampieri)\
**Replies:** 5\
**Last updated:** [19 September 2021 21:14 UTC](https://discourse.nodered.org/t/access-a-payload-property-by-using-a-string-variable/50981 "2021-09-19T21:14:28Z")

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Premise My question is related to this Q&A as my problem is similar. I have a msg.payload which has several properties (as a matter of facts arrays, but this is not meaningful for the question) whose name is section\_x w…

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## [Stress Test - ECU and MYSQL](https://discourse.nodered.org/t/stress-test-ecu-and-mysql/51252)

<div class="topic-metadata">

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 0\
**Last updated:** [19 September 2021 19:53 UTC](https://discourse.nodered.org/t/stress-test-ecu-and-mysql/51252 "2021-09-19T19:53:54Z")

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Hi, I want to use Node-Red to stress test my ECU and the writing speed to my DB, a flow that wrights a few values to the DB So say wright to the DB a string "asdf123" and a time stamp for 10min every second and then s…

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