# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1247

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

**Page:** 1248

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## [Ui template with ui controls for rooms](https://discourse.nodered.org/t/ui-template-with-ui-controls-for-rooms/13907)

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**Author:** [@Phunkafizer](https://discourse.nodered.org/u/Phunkafizer)\
**Replies:** 3\
**Last updated:** [3 August 2019 11:02 UTC](https://discourse.nodered.org/t/ui-template-with-ui-controls-for-rooms/13907 "2019-08-03T11:02:05Z")

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Hi there! I wrote a function node which generates a JSON object reporting the temperature and other things for a room: { "T": 23.4, "RH": 55, "AH": 13.9 } Is it possilbe to create an ui template which contains som…

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## [Workspace background color](https://discourse.nodered.org/t/workspace-background-color/13912)

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**Author:** [@greenembrace](https://discourse.nodered.org/u/greenembrace)\
**Replies:** 3\
**Last updated:** [3 August 2019 03:40 UTC](https://discourse.nodered.org/t/workspace-background-color/13912 "2019-08-03T03:40:43Z")

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Hi, I'm sure someone has asked this, but unable to find anything: How to change the background color of the workspace, (not the dashboard) the editor area. I find the white to bright late at night. cheers daniel

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## [Sending an API Key as a Header (Calling REST)](https://discourse.nodered.org/t/sending-an-api-key-as-a-header-calling-rest/13943)

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**Author:** [@leftShark2019](https://discourse.nodered.org/u/leftShark2019)\
**Replies:** 6\
**Last updated:** [2 August 2019 22:53 UTC](https://discourse.nodered.org/t/sending-an-api-key-as-a-header-calling-rest/13943 "2019-08-02T22:53:32Z")

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Hello, I've read this https://discourse.nodered.org/t/calling-rest-api/1089 and know that to query an API requires an inject, change, http request, and debug node. I'm trying to send a GET request to this API, but to …

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## [Function Arrays from Database](https://discourse.nodered.org/t/function-arrays-from-database/13949)

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**Author:** [@biz](https://discourse.nodered.org/u/biz)\
**Replies:** 3\
**Last updated:** [2 August 2019 21:50 UTC](https://discourse.nodered.org/t/function-arrays-from-database/13949 "2019-08-02T21:50:23Z")

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Hello All I am having a bit of trouble with some arrays within a function node. Currently I have a mysql database that returns the last 7 days worth of data. It returns it all within an array. See here After it retur…

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## [Permission error Copying or Writing to a file in Fileshare remote folder](https://discourse.nodered.org/t/permission-error-copying-or-writing-to-a-file-in-fileshare-remote-folder/13874)

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**Author:** [@KevinPamu](https://discourse.nodered.org/u/KevinPamu)\
**Replies:** 13\
**Last updated:** [2 August 2019 16:17 UTC](https://discourse.nodered.org/t/permission-error-copying-or-writing-to-a-file-in-fileshare-remote-folder/13874 "2019-08-02T16:17:42Z")

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This could be a really simple thing I am missing, I am trying to write to a file or copy a file to a remote file share location. I get a permission error when I try to do so. I am not sure what I should be giving permis…

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## [Sensor log data to Mysql](https://discourse.nodered.org/t/sensor-log-data-to-mysql/13720)

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**Author:** [@dksmar](https://discourse.nodered.org/u/dksmar)\
**Replies:** 19\
**Last updated:** [2 August 2019 14:09 UTC](https://discourse.nodered.org/t/sensor-log-data-to-mysql/13720 "2019-08-02T14:09:37Z")

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Good day to all I am new to Nodered and would appreciate some help on the below: I have some soil moisture and temperature sensors that send via MQTT their data and I want to log them in MYSQL. Till now i can plot the …

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## [Node-RED-Nodes Code](https://discourse.nodered.org/t/node-red-nodes-code/13923)

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**Author:** [@bobbyB](https://discourse.nodered.org/u/bobbyB)\
**Replies:** 2\
**Last updated:** [2 August 2019 10:28 UTC](https://discourse.nodered.org/t/node-red-nodes-code/13923 "2019-08-02T10:28:45Z")

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Hey, I was wondering if someone can tell me where i can find the .js and .html files of the standard node-red nodes. Thanks in advance

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## [Custom Authentication](https://discourse.nodered.org/t/custom-authentication/13919)

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**Author:** [@lastm4n](https://discourse.nodered.org/u/lastm4n)\
**Replies:** 0\
**Last updated:** [2 August 2019 08:03 UTC](https://discourse.nodered.org/t/custom-authentication/13919 "2019-08-02T08:03:55Z")

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Hi node-RED community, I would like to develop a custom authentication. The authentication will be a Post Http Request with some form-urlencoded parameters in order to identify the user and then to continue the flow to…

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## [Secure HTTP cookies](https://discourse.nodered.org/t/secure-http-cookies/11046)

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**Author:** [@oliv3](https://discourse.nodered.org/u/oliv3)\
**Replies:** 1\
**Last updated:** [2 August 2019 07:04 UTC](https://discourse.nodered.org/t/secure-http-cookies/11046 "2019-08-02T07:04:03Z")

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Hi, in the HTTP response node, I can't find a way to set cookies as "Secure" and/or "HttpOnly". Are there any plans to handle this ? Thanks !

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## [Calculate the mean of data pairs in an Object](https://discourse.nodered.org/t/calculate-the-mean-of-data-pairs-in-an-object/13890)

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**Author:** [@ptamike](https://discourse.nodered.org/u/ptamike)\
**Replies:** 5\
**Last updated:** [2 August 2019 04:54 UTC](https://discourse.nodered.org/t/calculate-the-mean-of-data-pairs-in-an-object/13890 "2019-08-02T04:54:57Z")

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I'm creating a flow to monitor signal levels on a selected radio frequency. The main component is the rtl-power node and this produces output in the format shown at the end of this post. In order to cope with slightly o…

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## [Stateless Button intergration, MQTT, OpenHab, Node RED](https://discourse.nodered.org/t/stateless-button-intergration-mqtt-openhab-node-red/13914)

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**Author:** [@Bedrock](https://discourse.nodered.org/u/Bedrock)\
**Replies:** 0\
**Last updated:** [2 August 2019 04:35 UTC](https://discourse.nodered.org/t/stateless-button-intergration-mqtt-openhab-node-red/13914 "2019-08-02T04:35:54Z")

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Hi guys, i have an arduino button that reports to MQTT in a stateless form of 20-41 for example How could i take this and check the current state of the switch in openhab and and do the opposite. so if light is on turn…

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## [BigFile Start option](https://discourse.nodered.org/t/bigfile-start-option/13909)

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**Author:** [@saramcc](https://discourse.nodered.org/u/saramcc)\
**Replies:** 5\
**Last updated:** [1 August 2019 22:31 UTC](https://discourse.nodered.org/t/bigfile-start-option/13909 "2019-08-01T22:31:32Z")

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Has anyone used the BigFile module (node-red-contrib-bigfile)? And, if so, do you know how to set the start and end options in order to read a range of the file instead of the entire file? I'm passing in a message with…

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## [How to convert a 16-bit variable to 64-bit](https://discourse.nodered.org/t/how-to-convert-a-16-bit-variable-to-64-bit/13902)

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**Author:** [@eduardotodero](https://discourse.nodered.org/u/eduardotodero)\
**Replies:** 1\
**Last updated:** [1 August 2019 18:59 UTC](https://discourse.nodered.org/t/how-to-convert-a-16-bit-variable-to-64-bit/13902 "2019-08-01T18:59:07Z")

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Hello everyone, I am reading registers from a Siemens PAC2200 64 bit, how do I display this value correctly by node red? I need to join the 4-number vector to just one string. Thank you very much

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## [I need to separate the values from a group](https://discourse.nodered.org/t/i-need-to-separate-the-values-from-a-group/13886)

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**Author:** [@alvinstewart](https://discourse.nodered.org/u/alvinstewart)\
**Replies:** 3\
**Last updated:** [1 August 2019 14:09 UTC](https://discourse.nodered.org/t/i-need-to-separate-the-values-from-a-group/13886 "2019-08-01T14:09:05Z")

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I hate having to ask for help when I should be able to make it happen on my own. However, below is an output from my weather station API. This came out of a HTTP Request node. I x'ed out the MAC address. I would like to …

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## [Set Response header for HTTP Request](https://discourse.nodered.org/t/set-response-header-for-http-request/13887)

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**Author:** [@Devbrat](https://discourse.nodered.org/u/Devbrat)\
**Replies:** 5\
**Last updated:** [1 August 2019 13:42 UTC](https://discourse.nodered.org/t/set-response-header-for-http-request/13887 "2019-08-01T13:42:12Z")

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I am trying to send response header in all HTTP request: I tried two way: First by adding below code in settings.js httpNodeMiddleware: function(req,res,next) { res.header("X-Frame-Options", "SAMEORIGIN"); …

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## [Two USB camera access by node-red](https://discourse.nodered.org/t/two-usb-camera-access-by-node-red/6686)

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**Author:** [@gotonodered](https://discourse.nodered.org/u/gotonodered)\
**Replies:** 1\
**Last updated:** [1 August 2019 12:48 UTC](https://discourse.nodered.org/t/two-usb-camera-access-by-node-red/6686 "2019-08-01T12:48:01Z")

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Hi , Anyone try to connect the two or more USB camera with Node-RED? I try with usbcamera node. But only able to access one camera. Thanks

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## [Dynamic ip on eth0:0?](https://discourse.nodered.org/t/dynamic-ip-on-eth0-0/13894)

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**Author:** [@robertocanton](https://discourse.nodered.org/u/robertocanton)\
**Replies:** 4\
**Last updated:** [1 August 2019 09:25 UTC](https://discourse.nodered.org/t/dynamic-ip-on-eth0-0/13894 "2019-08-01T09:25:15Z")

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Hi, i need to switch from dashboard my eth connection from static ip to dynamic ip. I guess i've to setting up my dhcpcd.conf and then using ifup ifdown to switch the mode. ok. for static ip i wrote the following lines…

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## [Adding a counter](https://discourse.nodered.org/t/adding-a-counter/13892)

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**Author:** [@pinkdolphins](https://discourse.nodered.org/u/pinkdolphins)\
**Replies:** 1\
**Last updated:** [1 August 2019 08:21 UTC](https://discourse.nodered.org/t/adding-a-counter/13892 "2019-08-01T08:21:58Z")

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Hello! I am trying to add a counter to my node-red process. I would like it to add one to the counter every time that the whole process runs once. This is because I am accumulating a math value until a certain counter …

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## [Bit Mask not working correctly from Switch](https://discourse.nodered.org/t/bit-mask-not-working-correctly-from-switch/13870)

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**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\
**Replies:** 12\
**Last updated:** [1 August 2019 06:33 UTC](https://discourse.nodered.org/t/bit-mask-not-working-correctly-from-switch/13870 "2019-08-01T06:33:12Z")

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Hi, Thank you for a great project! It makes things so easy. Your hard work benefits many. Working with Dashboard switch, but nor sure if this should be in this Category. When it comes to Javascript, I am to be consi…

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## [Adding time to my state machine](https://discourse.nodered.org/t/adding-time-to-my-state-machine/13884)

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**Author:** [@pinkdolphins](https://discourse.nodered.org/u/pinkdolphins)\
**Replies:** 1\
**Last updated:** [31 July 2019 23:18 UTC](https://discourse.nodered.org/t/adding-time-to-my-state-machine/13884 "2019-07-31T23:18:39Z")

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Hello! I am trying to build a state machine in node red, but the problem is that it keeps going back to 0 before it gets to states 2 and 3. I have implemented it all in one function. I have been trying to add some time …

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## [Pass msg object containing HTML to \<select\> in UI template](https://discourse.nodered.org/t/pass-msg-object-containing-html-to-select-in-ui-template/13882)

<div class="topic-metadata">

**Author:** [@Lbee11](https://discourse.nodered.org/u/Lbee11)\
**Replies:** 9\
**Last updated:** [31 July 2019 22:09 UTC](https://discourse.nodered.org/t/pass-msg-object-containing-html-to-select-in-ui-template/13882 "2019-07-31T22:09:51Z")

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I am trying to pass a msg that contains the string value "numbers". "numbers" contains options for a dropdown box as HTML. This is the msg object I am using: And this is the code in my template node: \<table id="tabl…

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## [Why am I getting this as an error](https://discourse.nodered.org/t/why-am-i-getting-this-as-an-error/13881)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [31 July 2019 22:06 UTC](https://discourse.nodered.org/t/why-am-i-getting-this-as-an-error/13881 "2019-07-31T22:06:18Z")

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I have a flow to catch errors. This morning I saw there were a few. Yes, something was happening, but why I got this error is confusing. {"delay":"18000","payload":"2019-8-1 07:39:18 up 27 minutes\\n","\_msgid":"a9dafd…

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## [Is Node-Red Cookbook downloadable for offline?](https://discourse.nodered.org/t/is-node-red-cookbook-downloadable-for-offline/13880)

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**Author:** [@Cathprotech](https://discourse.nodered.org/u/Cathprotech)\
**Replies:** 5\
**Last updated:** [31 July 2019 22:02 UTC](https://discourse.nodered.org/t/is-node-red-cookbook-downloadable-for-offline/13880 "2019-07-31T22:02:12Z")

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Hi, I just came across the Node-Red Cookbook by reading a post somewhere on the forum. Is it downloadable so I can read it off-line or is there a .pdf available. I'm at work on a ship and don't have continuous interne…

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## [Tool with UI to quickly build firmware to send & receive MQTT data from IOT device (ESP8266,ESP32, Arduino) for Node-RED](https://discourse.nodered.org/t/tool-with-ui-to-quickly-build-firmware-to-send-receive-mqtt-data-from-iot-device-esp8266-esp32-arduino-for-node-red/12529)

<div class="topic-metadata">

**Author:** [@linhtranvu](https://discourse.nodered.org/u/linhtranvu)\
**Replies:** 7\
**Last updated:** [31 July 2019 21:15 UTC](https://discourse.nodered.org/t/tool-with-ui-to-quickly-build-firmware-to-send-receive-mqtt-data-from-iot-device-esp8266-esp32-arduino-for-node-red/12529 "2019-07-31T21:15:26Z")

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Quick IoTs - One click app for Internet of Thing Hi, After months of working, I am happy to release Quick IoTs http://www.quickiots.com It is an opensource project with the core is Open MQTT Gateway . Quick IoTs all…

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## [Tcp Input Module Multiple Ports](https://discourse.nodered.org/t/tcp-input-module-multiple-ports/13878)

<div class="topic-metadata">

**Author:** [@saramcc](https://discourse.nodered.org/u/saramcc)\
**Replies:** 0\
**Last updated:** [31 July 2019 21:11 UTC](https://discourse.nodered.org/t/tcp-input-module-multiple-ports/13878 "2019-07-31T21:11:33Z")

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The Tcp Input module has a parameter for a single port. Does anyone know of a tcp input module that will allow setting multiple ports or a range of ports for tcp to listen on? Or when you start node-red, is there a way…

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## [Pushcut Web API - Node for smart notifications?](https://discourse.nodered.org/t/pushcut-web-api-node-for-smart-notifications/13876)

<div class="topic-metadata">

**Author:** [@sliemeobn](https://discourse.nodered.org/u/sliemeobn)\
**Replies:** 3\
**Last updated:** [31 July 2019 20:43 UTC](https://discourse.nodered.org/t/pushcut-web-api-node-for-smart-notifications/13876 "2019-07-31T20:43:00Z")

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I just released the brand new Web API for Pushcut, and my intention is to offer everything that is needed to integrate Pushcut with Node-RED in a good way. Here is the documentation. \<- You can even play around with the…

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## [Error on INSERT INTO sqlite DB](https://discourse.nodered.org/t/error-on-insert-into-sqlite-db/13872)

<div class="topic-metadata">

**Author:** [@pautorras](https://discourse.nodered.org/u/pautorras)\
**Replies:** 2\
**Last updated:** [31 July 2019 16:41 UTC](https://discourse.nodered.org/t/error-on-insert-into-sqlite-db/13872 "2019-07-31T16:41:12Z")

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Hi, When I insert some var values in sqlite DB, debug console send me this kind of message: "Error: SQLITE\_ERROR: near ":12": syntax error" "Error: SQLITE\_ERROR: near ":02": syntax error" In a function i'm trying to …

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## [How to integrate node red with wifi](https://discourse.nodered.org/t/how-to-integrate-node-red-with-wifi/13828)

<div class="topic-metadata">

**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 7\
**Last updated:** [31 July 2019 16:24 UTC](https://discourse.nodered.org/t/how-to-integrate-node-red-with-wifi/13828 "2019-07-31T16:24:23Z")

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I am having Advantech gateway. I wanted to install node-red in that which is having ubuntu OS. I wanted to make the Advantech gateway to work as wifi hotspot. And using wifimote I wanted to connect to that hostspot for…

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## [User interface with Node RED](https://discourse.nodered.org/t/user-interface-with-node-red/13859)

<div class="topic-metadata">

**Author:** [@lymbo](https://discourse.nodered.org/u/lymbo)\
**Replies:** 3\
**Last updated:** [31 July 2019 16:17 UTC](https://discourse.nodered.org/t/user-interface-with-node-red/13859 "2019-07-31T16:17:30Z")

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Hi, is it possible to integrate a webpage GUI OR electron desktop application w/user input with Node RED backend? Thanks!

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## [Node Module Install](https://discourse.nodered.org/t/node-module-install/13857)

<div class="topic-metadata">

**Author:** [@rayy](https://discourse.nodered.org/u/rayy)\
**Replies:** 16\
**Last updated:** [31 July 2019 14:49 UTC](https://discourse.nodered.org/t/node-module-install/13857 "2019-07-31T14:49:36Z")

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I'm trying to install a nodered module but it keeps on failing any ideas?

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