# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1324

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

**Page:** 1325

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## [Html template: emeded txt-file autoscrolling to the end](https://discourse.nodered.org/t/html-template-emeded-txt-file-autoscrolling-to-the-end/7142)

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**Author:** [@lippih](https://discourse.nodered.org/u/lippih)\
**Replies:** 3\
**Last updated:** [22 January 2019 13:46 UTC](https://discourse.nodered.org/t/html-template-emeded-txt-file-autoscrolling-to-the-end/7142 "2019-01-22T13:46:33Z")

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Hi, I use a template with this code: \<!DOCTYPE html\> \<html lang="de"\> \<head\> \<title\>Logfile\</title\> \<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"\> \</head\> \<body\> \<embed src="http://192.168.2.51:8…

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## [Problem with Themes](https://discourse.nodered.org/t/problem-with-themes/7137)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 1\
**Last updated:** [22 January 2019 12:51 UTC](https://discourse.nodered.org/t/problem-with-themes/7137 "2019-01-22T12:51:14Z")

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I'm using the latest NR on Raspberry Pi 3 - everything up to date - and viewing in Chrome on Windows 10. I get light theme even if I go in and select dark or custom - and that's after stopping and starting NR and refresh…

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## [Node-RED on mobile](https://discourse.nodered.org/t/node-red-on-mobile/6945)

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**Author:** [@yoiang](https://discourse.nodered.org/u/yoiang)\
**Replies:** 3\
**Last updated:** [22 January 2019 11:29 UTC](https://discourse.nodered.org/t/node-red-on-mobile/6945 "2019-01-22T11:29:05Z")

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Hey y'all! As a fun experiment I've gotten Node-RED 0.19.x running in iOS, tested in various simulators and on my iPhone 8. Check it out here: https://github.com/yoiang/node-red-mobile-ios This project is just as much …

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## [Is there a way to read select option of a custom node edit form from an external file?](https://discourse.nodered.org/t/is-there-a-way-to-read-select-option-of-a-custom-node-edit-form-from-an-external-file/6917)

<div class="topic-metadata">

**Author:** [@gbove73](https://discourse.nodered.org/u/gbove73)\
**Replies:** 5\
**Last updated:** [22 January 2019 10:33 UTC](https://discourse.nodered.org/t/is-there-a-way-to-read-select-option-of-a-custom-node-edit-form-from-an-external-file/6917 "2019-01-22T10:33:12Z")

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I'm writing a custom node which allow to edit properties from a limited set of choices. So I would like to read that properties from an external file (for example a csv). Is there a way to do that? Thanks in advance.

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## [Live gpio timer duration to lcd](https://discourse.nodered.org/t/live-gpio-timer-duration-to-lcd/7075)

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**Author:** [@undung](https://discourse.nodered.org/u/undung)\
**Replies:** 4\
**Last updated:** [22 January 2019 09:11 UTC](https://discourse.nodered.org/t/live-gpio-timer-duration-to-lcd/7075 "2019-01-22T09:11:52Z")

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need help I want to make timer that calculate and view duration on my gpio input when my gpio true/false there is my simple flow on this flow i just cant see the result how long my gpio true/false pls help me \[{"id…

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## [Raspberry Pi and UDP?](https://discourse.nodered.org/t/raspberry-pi-and-udp/7129)

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**Author:** [@HenrikHub](https://discourse.nodered.org/u/HenrikHub)\
**Replies:** 4\
**Last updated:** [22 January 2019 08:50 UTC](https://discourse.nodered.org/t/raspberry-pi-and-udp/7129 "2019-01-22T08:50:20Z")

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Hey! I made a program in Node-Red that sends messages through UDP and recives a respons through a local port. I´ve testet the software on Windows and had no problem, although switching to Raspberry Pi some interference o…

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## [RED.httpAdmin.get not refreshing JSON](https://discourse.nodered.org/t/red-httpadmin-get-not-refreshing-json/7113)

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**Author:** [@germancmartinez](https://discourse.nodered.org/u/germancmartinez)\
**Replies:** 2\
**Last updated:** [22 January 2019 02:09 UTC](https://discourse.nodered.org/t/red-httpadmin-get-not-refreshing-json/7113 "2019-01-22T02:09:00Z")

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Hi, I´m using httpAdmin.get to send a json from the runtime js to the html. The problem I have is that the json is only updated the first time the code runs. I can see in the console that data variable is being updated,…

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## [Creating blog site](https://discourse.nodered.org/t/creating-blog-site/6999)

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**Author:** [@amrutha](https://discourse.nodered.org/u/amrutha)\
**Replies:** 6\
**Last updated:** [21 January 2019 07:33 UTC](https://discourse.nodered.org/t/creating-blog-site/6999 "2019-01-21T07:33:26Z")

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i have followed steps in this guide for creating a blog site using MongoDB blogsite After creating they are saying me to go to a webpage http://{username}.fred.sensetecnic.com/api/public/posts. But if i go to that pag…

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## [How to "interact" with another instance of a function?](https://discourse.nodered.org/t/how-to-interact-with-another-instance-of-a-function/7045)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 13\
**Last updated:** [21 January 2019 22:18 UTC](https://discourse.nodered.org/t/how-to-interact-with-another-instance-of-a-function/7045 "2019-01-21T22:18:25Z")

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(Although what I'm trying to achieve can be done with core nodes, the reason I'd like to do this is to further my understanding of Javascript and Node-RED in general.) I have written this little sleep dimmer function (l…

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## [HELP with node red installation](https://discourse.nodered.org/t/help-with-node-red-installation/7115)

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**Author:** [@gmahule](https://discourse.nodered.org/u/gmahule)\
**Replies:** 3\
**Last updated:** [21 January 2019 21:36 UTC](https://discourse.nodered.org/t/help-with-node-red-installation/7115 "2019-01-21T21:36:14Z")

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Hello Everyone, I have a new raspberry pi device the problem which I am facing is as follows: When I start the device then I find out that Node-red is already installed in the device.So, when I run "sudo apt-get inst…

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## [Uibuilder: socket disconnect on enter in html form \[solved\]](https://discourse.nodered.org/t/uibuilder-socket-disconnect-on-enter-in-html-form-solved/6916)

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**Author:** [@Thomseeen](https://discourse.nodered.org/u/Thomseeen)\
**Replies:** 3\
**Last updated:** [21 January 2019 16:50 UTC](https://discourse.nodered.org/t/uibuilder-socket-disconnect-on-enter-in-html-form-solved/6916 "2019-01-21T16:50:12Z")

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Hi! I'm quiet new to node-red, html, javascript and pretty much all of the things going on. I got a node-red flow with a uibuilder node to build a dynamic website. Updating the website based on events in my flow works …

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## [How to declare that an HTML input is required](https://discourse.nodered.org/t/how-to-declare-that-an-html-input-is-required/7096)

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**Author:** [@Lionel](https://discourse.nodered.org/u/Lionel)\
**Replies:** 4\
**Last updated:** [21 January 2019 13:51 UTC](https://discourse.nodered.org/t/how-to-declare-that-an-html-input-is-required/7096 "2019-01-21T13:51:39Z")

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Hi, I want to declare an input (which is part of an EditableList) as required I have tried that $( "\<input/\>", { class: "node-input-text-value-en" , type : "text", style: "margin-left…

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## [Custom node installation removes other node](https://discourse.nodered.org/t/custom-node-installation-removes-other-node/7095)

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**Author:** [@malinthasa](https://discourse.nodered.org/u/malinthasa)\
**Replies:** 3\
**Last updated:** [21 January 2019 13:26 UTC](https://discourse.nodered.org/t/custom-node-installation-removes-other-node/7095 "2019-01-21T13:26:16Z")

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Hi, I have X and Y two custom nodes. I installed node X and Y I used them for a while. Then, I re-install node Y and it removes node X and I have to reinstall X node. What are the possible reasons for this behavior? Is …

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## [RGB tuya Bulbs via Alexa](https://discourse.nodered.org/t/rgb-tuya-bulbs-via-alexa/7000)

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**Author:** [@Smerlin](https://discourse.nodered.org/u/Smerlin)\
**Replies:** 2\
**Last updated:** [21 January 2019 12:27 UTC](https://discourse.nodered.org/t/rgb-tuya-bulbs-via-alexa/7000 "2019-01-21T12:27:44Z")

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I'm pretty new to all this, and don't really know.kich coding so googling my way thru alot of stuff. I've recent set up Hass.io and have been messing about with stuff, I've got it detecting my phone on the network and th…

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## [I edited a module .js file and now I can't deploy, how to recompile?](https://discourse.nodered.org/t/i-edited-a-module-js-file-and-now-i-cant-deploy-how-to-recompile/6892)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 5\
**Last updated:** [21 January 2019 12:26 UTC](https://discourse.nodered.org/t/i-edited-a-module-js-file-and-now-i-cant-deploy-how-to-recompile/6892 "2019-01-21T12:26:54Z")

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HI mates, I got a trouble, since “node-red-contrib-i2c 0.5.2" has an uncomfortable behaviour sending to I2C device a static command in anycase, and I need all datas to be dynamic, so I tried to change myself the script. …

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## [About unsecured instances of Node-RED having a crypto-mining flow automatically deployed](https://discourse.nodered.org/t/about-unsecured-instances-of-node-red-having-a-crypto-mining-flow-automatically-deployed/6913)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 4\
**Last updated:** [21 January 2019 11:55 UTC](https://discourse.nodered.org/t/about-unsecured-instances-of-node-red-having-a-crypto-mining-flow-automatically-deployed/6913 "2019-01-21T11:55:21Z")

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HI! There is the sticky waring in top on forum, but on the link you give they asked to open a topic here.. I have some questions about that, I report them here, I'm running it on a Raspberry3 Is monitor the CPU load en…

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## [How to refresh editableList](https://discourse.nodered.org/t/how-to-refresh-editablelist/6973)

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**Author:** [@Lionel](https://discourse.nodered.org/u/Lionel)\
**Replies:** 5\
**Last updated:** [21 January 2019 10:43 UTC](https://discourse.nodered.org/t/how-to-refresh-editablelist/6973 "2019-01-21T10:43:31Z")

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Hi, I have a node using an editableList. Each item content, for this editableList, depends on an other config parameter of the node. And when this parameter changes, I would like to refresh the editableList. I have no…

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## [Template node: how to merge HTML AND CSS](https://discourse.nodered.org/t/template-node-how-to-merge-html-and-css/7006)

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**Author:** [@cpaolojo](https://discourse.nodered.org/u/cpaolojo)\
**Replies:** 5\
**Last updated:** [21 January 2019 08:18 UTC](https://discourse.nodered.org/t/template-node-how-to-merge-html-and-css/7006 "2019-01-21T08:18:28Z")

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hi all, sorry for stupid question. i've tried to serch on the web the solution for my question but I didn't find anything. reading forum, usually you can find the code divided I'm two part: HTML part and CSS (for examp…

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## [Not able to find node using nodeid](https://discourse.nodered.org/t/not-able-to-find-node-using-nodeid/7066)

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**Author:** [@kartikn](https://discourse.nodered.org/u/kartikn)\
**Replies:** 2\
**Last updated:** [21 January 2019 02:28 UTC](https://discourse.nodered.org/t/not-able-to-find-node-using-nodeid/7066 "2019-01-21T02:28:18Z")

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Hi, I am trying to debug some performance issues with my nodered application and I have enabled "metrics" logging in the settings.js file. I am able to now see the \[metric\] logs in console logs. However, I am not able t…

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## [Continue flow after empty response from HTML node](https://discourse.nodered.org/t/continue-flow-after-empty-response-from-html-node/7035)

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**Author:** [@kuzmich](https://discourse.nodered.org/u/kuzmich)\
**Replies:** 7\
**Last updated:** [21 January 2019 00:20 UTC](https://discourse.nodered.org/t/continue-flow-after-empty-response-from-html-node/7035 "2019-01-21T00:20:10Z")

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I'm using html node to apply a CSS selector and sometimes this selector returns nothing, so html node doesn't return anything. Is there a good way to continue the flow anyway and put something like "false" in the payload…

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## [Problem with corrupt JSON File](https://discourse.nodered.org/t/problem-with-corrupt-json-file/7058)

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**Author:** [@Florian75](https://discourse.nodered.org/u/Florian75)\
**Replies:** 2\
**Last updated:** [20 January 2019 20:23 UTC](https://discourse.nodered.org/t/problem-with-corrupt-json-file/7058 "2019-01-20T20:23:19Z")

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Hello together, i have a problem writing a JSON-struct to a file. I use a standard "file node" to write the data into a JSON-File. But after some (20 to 40) good cases, the file is corrupt. It looks like this: {"payloa…

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## [Netatmo weather station data](https://discourse.nodered.org/t/netatmo-weather-station-data/6976)

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**Author:** [@Mobility3](https://discourse.nodered.org/u/Mobility3)\
**Replies:** 4\
**Last updated:** [19 January 2019 10:04 UTC](https://discourse.nodered.org/t/netatmo-weather-station-data/6976 "2019-01-19T10:04:08Z")

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I'm trying to send notification if humidity reported by Netatmo weather station goes below threshold. I only started to play with Node-Red last week and have my lights working according to sun events so far, so this is t…

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## [Cloning behavior](https://discourse.nodered.org/t/cloning-behavior/7054)

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**Author:** [@Andrei](https://discourse.nodered.org/u/Andrei)\
**Replies:** 2\
**Last updated:** [20 January 2019 17:22 UTC](https://discourse.nodered.org/t/cloning-behavior/7054 "2019-01-20T17:22:00Z")

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While playing with debug nodes I get the feeling that simply adding a debug node seems to change the msg passing (against my beliefs). When triggering the first flow I see the property msg.res being deleted (apparently) …

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## [HomeKit Garage Door Opener (Raspberry Pi)](https://discourse.nodered.org/t/homekit-garage-door-opener-raspberry-pi/7034)

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**Author:** [@texasterminator5](https://discourse.nodered.org/u/texasterminator5)\
**Replies:** 2\
**Last updated:** [20 January 2019 17:05 UTC](https://discourse.nodered.org/t/homekit-garage-door-opener-raspberry-pi/7034 "2019-01-20T17:05:47Z")

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Hello, I am having trouble with GarageDoorOpener HomeKit node. I have a reed switch attached to send the status of the door (open/closed) and that going into the HomeKit node. The problem that I am running into is, whe…

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## [\[solved\] Red blue green colours for standard nodes please?](https://discourse.nodered.org/t/solved-red-blue-green-colours-for-standard-nodes-please/7042)

<div class="topic-metadata">

**Author:** [@Bazmundi](https://discourse.nodered.org/u/Bazmundi)\
**Replies:** 2\
**Last updated:** [20 January 2019 11:44 UTC](https://discourse.nodered.org/t/solved-red-blue-green-colours-for-standard-nodes-please/7042 "2019-01-20T11:44:06Z")

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I am just wanting to match the background colour of a icon to node I have created. I am using the function type. A hint on what file the colours are set in would help. Thanks B

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## [Alexa integration nodered-raspberry](https://discourse.nodered.org/t/alexa-integration-nodered-raspberry/6836)

<div class="topic-metadata">

**Author:** [@fzr91](https://discourse.nodered.org/u/fzr91)\
**Replies:** 16\
**Last updated:** [20 January 2019 08:45 UTC](https://discourse.nodered.org/t/alexa-integration-nodered-raspberry/6836 "2019-01-20T08:45:57Z")

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Hello I tried several contrib with the new echo 3 but the only one that works is the node-red-contrib-wemo-emulator, but I do not know how to get around the limit of 14 switch on the raspberry... anyone knows if you can …

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## [IIS ARR Reverse Proxy Configuration Error 502.3](https://discourse.nodered.org/t/iis-arr-reverse-proxy-configuration-error-502-3/5727)

<div class="topic-metadata">

**Author:** [@Twitmuck](https://discourse.nodered.org/u/Twitmuck)\
**Replies:** 2\
**Last updated:** [19 January 2019 23:57 UTC](https://discourse.nodered.org/t/iis-arr-reverse-proxy-configuration-error-502-3/5727 "2019-01-19T23:57:48Z")

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What I am trying to do: Enable access to the node-red editor hosted on a VM through the web using IIS as a reverse proxy. The node-red editor is accessible through the reverse proxy, but displays "Lost connection to se…

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## [Play sound through external USB card on Armbian](https://discourse.nodered.org/t/play-sound-through-external-usb-card-on-armbian/6990)

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**Author:** [@croco](https://discourse.nodered.org/u/croco)\
**Replies:** 2\
**Last updated:** [19 January 2019 23:40 UTC](https://discourse.nodered.org/t/play-sound-through-external-usb-card-on-armbian/6990 "2019-01-19T23:40:09Z")

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Hello there, I'm new to the Node-RED but as it is so useful I think I'll stay with it for much longer :slight\_smile: I've got a question related to playing sound using external USB card. My instance is working on Orange…

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## [Play audio file](https://discourse.nodered.org/t/play-audio-file/7026)

<div class="topic-metadata">

**Author:** [@Ghbisson](https://discourse.nodered.org/u/Ghbisson)\
**Replies:** 4\
**Last updated:** [19 January 2019 22:54 UTC](https://discourse.nodered.org/t/play-audio-file/7026 "2019-01-19T22:54:33Z")

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I ty to use the "Play audio file" node but can't find the way to make it work. I can play mp3 music from my Raspberry pi with VLC software with no problem. I'd like to know if there is a dependency to have it work or any…

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## [Function node stopping](https://discourse.nodered.org/t/function-node-stopping/7017)

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**Author:** [@mason08](https://discourse.nodered.org/u/mason08)\
**Replies:** 8\
**Last updated:** [19 January 2019 21:56 UTC](https://discourse.nodered.org/t/function-node-stopping/7017 "2019-01-19T21:56:58Z")

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Im having issues with having my node to continually run. It seems to run only one time and until i redeploy it wont run again. \[{"id":"8346c397.c91db","type":"function","z":"6c09d71.3976f28","name":"Boiler Relay 1","fu…

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