# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=879

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

**Page:** 880

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## [Import flow configuration from file](https://discourse.nodered.org/t/import-flow-configuration-from-file/11875)

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**Author:** [@fraver](https://discourse.nodered.org/u/fraver)\
**Replies:** 0\
**Last updated:** [5 June 2019 15:03 UTC](https://discourse.nodered.org/t/import-flow-configuration-from-file/11875 "2019-06-05T15:03:34Z")

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I need to configure node red in order to collect hundreds of tags from a PLC to be sent to our cloud via MQTT. The point is that if I image to manually make the configuration by the graphical interface it will gonna tak…

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## [Array of INT values](https://discourse.nodered.org/t/array-of-int-values/11861)

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**Author:** [@amsij](https://discourse.nodered.org/u/amsij)\
**Replies:** 4\
**Last updated:** [5 June 2019 11:45 UTC](https://discourse.nodered.org/t/array-of-int-values/11861 "2019-06-05T11:45:29Z")

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Hi, I am completely new at NODE-RED, using flows or java script functions (OK here can i a few basics). I am trying to move somewhere with my project but because i am not moving forward, i decided to ask here for an adv…

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## [Node-Red Comms Stuttering](https://discourse.nodered.org/t/node-red-comms-stuttering/11819)

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**Author:** [@TrentB](https://discourse.nodered.org/u/TrentB)\
**Replies:** 9\
**Last updated:** [5 June 2019 05:09 UTC](https://discourse.nodered.org/t/node-red-comms-stuttering/11819 "2019-06-05T05:09:21Z")

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Hi all, Hoping for some guidance with a issue I'm having with the RevPi running Node-Red. Currently I have the RevPi communicating to a Allen Bradley Compact Logix PLC via Ethernet connection, and have setup a timestam…

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## [Where to start to import your npm package](https://discourse.nodered.org/t/where-to-start-to-import-your-npm-package/11799)

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**Author:** [@pviljoen](https://discourse.nodered.org/u/pviljoen)\
**Replies:** 23\
**Last updated:** [4 June 2019 21:54 UTC](https://discourse.nodered.org/t/where-to-start-to-import-your-npm-package/11799 "2019-06-04T21:54:40Z")

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I am a beginner at this so please be patient. I want to import an existing NPM package into node red. I followed the documents in node-red how to publish your package but I am experiencing weird things like my whole mod…

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## [Can we get the official NR docker container updated for RPI to use Node \> v.8?](https://discourse.nodered.org/t/can-we-get-the-official-nr-docker-container-updated-for-rpi-to-use-node-v-8/11853)

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**Author:** [@stone](https://discourse.nodered.org/u/stone)\
**Replies:** 0\
**Last updated:** [4 June 2019 21:35 UTC](https://discourse.nodered.org/t/can-we-get-the-official-nr-docker-container-updated-for-rpi-to-use-node-v-8/11853 "2019-06-04T21:35:02Z")

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running this old v.8.1.3 is causing issues with newer palettes.

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## [Delay one type of message not another](https://discourse.nodered.org/t/delay-one-type-of-message-not-another/11849)

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**Author:** [@Poodlepapa](https://discourse.nodered.org/u/Poodlepapa)\
**Replies:** 1\
**Last updated:** [4 June 2019 18:27 UTC](https://discourse.nodered.org/t/delay-one-type-of-message-not-another/11849 "2019-06-04T18:27:37Z")

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I would like to delay one type of number payload. If the number is 1 then hold that message for 20 min but if it is 0 pass it on with no waiting. Can I do this with a delay and function node? thank you

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## [Custom Authentication using Cookie](https://discourse.nodered.org/t/custom-authentication-using-cookie/11598)

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**Author:** [@RaiBnod](https://discourse.nodered.org/u/RaiBnod)\
**Replies:** 6\
**Last updated:** [4 June 2019 18:05 UTC](https://discourse.nodered.org/t/custom-authentication-using-cookie/11598 "2019-06-04T18:05:29Z")

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We have a documentation on Custom User Authentication: https://nodered.org/docs/security#custom-user-authentication But I need little bit more. I have a React site with: A custom username and a password field validat…

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## [Fix the url of a page - is it possible?](https://discourse.nodered.org/t/fix-the-url-of-a-page-is-it-possible/11841)

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**Author:** [@lozzer65](https://discourse.nodered.org/u/lozzer65)\
**Replies:** 3\
**Last updated:** [4 June 2019 14:02 UTC](https://discourse.nodered.org/t/fix-the-url-of-a-page-is-it-possible/11841 "2019-06-04T14:02:42Z")

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So I have some pages that have urls setup on thin clients with touch screens. These are set to go into kiosk mode with specific urls. Is it possible to force pages to keep these original urls. I have added pages, and it …

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## [Scheduling in the flow with flow input](https://discourse.nodered.org/t/scheduling-in-the-flow-with-flow-input/11836)

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**Author:** [@sheminasalam](https://discourse.nodered.org/u/sheminasalam)\
**Replies:** 4\
**Last updated:** [4 June 2019 13:47 UTC](https://discourse.nodered.org/t/scheduling-in-the-flow-with-flow-input/11836 "2019-06-04T13:47:04Z")

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Last time I was helped by some cool focks in this forum to extract time from a sensor in the format HH:mm. Now i want to set an alarm at this extracted time i,e HH:mm. Is there any node that can be configured in the flo…

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## [Vcgencmd TypeError: Cannot read property 'toFixed(1)](https://discourse.nodered.org/t/vcgencmd-typeerror-cannot-read-property-tofixed-1/11843)

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**Author:** [@papyOsullivan](https://discourse.nodered.org/u/papyOsullivan)\
**Replies:** 2\
**Last updated:** [4 June 2019 13:43 UTC](https://discourse.nodered.org/t/vcgencmd-typeerror-cannot-read-property-tofixed-1/11843 "2019-06-04T13:43:22Z")

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Hello When I run root@Natacha:~# sudo vcgencmd measure\_temp temp=53.5'C ok When I run \[{"id":"c99cf11.468181","type":"exec","z":"36cdc84c.72bd68","command":"sudo vcgencmd measure\_temp ","addpay":true,"append":"","u…

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## [Write more Variables in S7 PLC with S7comm](https://discourse.nodered.org/t/write-more-variables-in-s7-plc-with-s7comm/11665)

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**Author:** [@Schnatter](https://discourse.nodered.org/u/Schnatter)\
**Replies:** 2\
**Last updated:** [4 June 2019 13:36 UTC](https://discourse.nodered.org/t/write-more-variables-in-s7-plc-with-s7comm/11665 "2019-06-04T13:36:12Z")

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Hello, in my project I want to write Data from a MSSQL Database in one DB of S7-PLC. Can I write all 11 Arrays of Data in the DB in one turn, or only one? How can I Adress all Variables at once? Thanks for your he…

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## [Node Red Troubleshooting Postgresql Multitech AEP](https://discourse.nodered.org/t/node-red-troubleshooting-postgresql-multitech-aep/11676)

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**Author:** [@Will](https://discourse.nodered.org/u/Will)\
**Replies:** 6\
**Last updated:** [4 June 2019 09:01 UTC](https://discourse.nodered.org/t/node-red-troubleshooting-postgresql-multitech-aep/11676 "2019-06-04T09:01:11Z")

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Hello There ! I've been working for a couple of days on Node red on a Multitech Conduit AEP. I really like this app, it's well designed and offers a lot of possibilities. However, I've got some issues. I tried to ins…

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## [Settings.js will be ignored](https://discourse.nodered.org/t/settings-js-will-be-ignored/11467)

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**Author:** [@dirkzp](https://discourse.nodered.org/u/dirkzp)\
**Replies:** 19\
**Last updated:** [4 June 2019 11:16 UTC](https://discourse.nodered.org/t/settings-js-will-be-ignored/11467 "2019-06-04T11:16:55Z")

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Hello, I'm using Ubuntu Core on a Raspberry Pi and also on a DELL Edge Gateway. On both systems Node-red is installed (snap). During the start/run of Node-red the used settings.js file is displayed (root/snap/node-red/c…

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## [Global variables](https://discourse.nodered.org/t/global-variables/11833)

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**Author:** [@ashash2](https://discourse.nodered.org/u/ashash2)\
**Replies:** 1\
**Last updated:** [4 June 2019 10:06 UTC](https://discourse.nodered.org/t/global-variables/11833 "2019-06-04T10:06:03Z")

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Hi all, I have integrated NodeRed with an iot system that constantly sends me the temperatures of a system. I would like that nodered alert me by corro if the temperature passes a certain level. So that it does not se…

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## [Ground plane for wifi coverage](https://discourse.nodered.org/t/ground-plane-for-wifi-coverage/11816)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 12\
**Last updated:** [4 June 2019 09:56 UTC](https://discourse.nodered.org/t/ground-plane-for-wifi-coverage/11816 "2019-06-04T09:56:34Z")

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A lot of node-RED users are using ESP devices to provide environmental or other data for node-RED to process, so this post is vaguely on-topic :thinking: I've just replaced my router, which although has more features, i…

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## [How to enable project option in unix](https://discourse.nodered.org/t/how-to-enable-project-option-in-unix/11826)

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**Author:** [@rjdugar](https://discourse.nodered.org/u/rjdugar)\
**Replies:** 3\
**Last updated:** [4 June 2019 08:55 UTC](https://discourse.nodered.org/t/how-to-enable-project-option-in-unix/11826 "2019-06-04T08:55:33Z")

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I setted up node-red on linux env . But I am not getting project options on web to create project. Any help would be great .

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## [Nest-style central heating controller in Node-RED](https://discourse.nodered.org/t/nest-style-central-heating-controller-in-node-red/11025)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 21\
**Last updated:** [4 June 2019 08:26 UTC](https://discourse.nodered.org/t/nest-style-central-heating-controller-in-node-red/11025 "2019-06-04T08:26:16Z")

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Anyone seen the latest news about Google Nest? ArsTechnica reports Nest, the company, died... Gizmodo writes Nest, as You Knew It, Is No More Previously, I was going to buy 5 or 6 Nests for our new home. I already h…

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## [Delay node "quits/dies" prior to completing the timed delay](https://discourse.nodered.org/t/delay-node-quits-dies-prior-to-completing-the-timed-delay/11746)

<div class="topic-metadata">

**Author:** [@cuxcrider](https://discourse.nodered.org/u/cuxcrider)\
**Replies:** 19\
**Last updated:** [4 June 2019 06:06 UTC](https://discourse.nodered.org/t/delay-node-quits-dies-prior-to-completing-the-timed-delay/11746 "2019-06-04T06:06:04Z")

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This is likely just user error, but I am not seeing why. I am pretty confident in my underlying code because it will work for several hours just fine before it has a problem. Problem: As part of a much larger flow I h…

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## [Nodered function node code](https://discourse.nodered.org/t/nodered-function-node-code/11784)

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**Author:** [@sheminasalam](https://discourse.nodered.org/u/sheminasalam)\
**Replies:** 4\
**Last updated:** [4 June 2019 02:01 UTC](https://discourse.nodered.org/t/nodered-function-node-code/11784 "2019-06-04T02:01:15Z")

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I am running node red from hassio. I have a sensor in hassio that gives time of some events as payload in the format 2019-06-03T20:38:00. I want to use this sensor for automation but because of this format its not happe…

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## [What is the usefulness of Node Red?](https://discourse.nodered.org/t/what-is-the-usefulness-of-node-red/11808)

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**Author:** [@haowjern](https://discourse.nodered.org/u/haowjern)\
**Replies:** 10\
**Last updated:** [4 June 2019 00:02 UTC](https://discourse.nodered.org/t/what-is-the-usefulness-of-node-red/11808 "2019-06-04T00:02:45Z")

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Hi there, I'm a beginner and trying to decide whether Node Red will be useful in my project. I have gone through the overview and a few demos on youtube to see how Node Red is used, but I think I don't know enough to un…

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## [Help in Twitter bot](https://discourse.nodered.org/t/help-in-twitter-bot/11813)

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**Author:** [@tomatebg](https://discourse.nodered.org/u/tomatebg)\
**Replies:** 0\
**Last updated:** [3 June 2019 20:28 UTC](https://discourse.nodered.org/t/help-in-twitter-bot/11813 "2019-06-03T20:28:15Z")

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Hello, I have a bot via Twitter on Red node and maintained by api. Virtually all the information comes from this api, but it has limits of use and I do not want to bother with it. I would like ideas of nodes or codes on …

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## [Changing a payload.obects field name](https://discourse.nodered.org/t/changing-a-payload-obects-field-name/11797)

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**Author:** [@orandaadnaro](https://discourse.nodered.org/u/orandaadnaro)\
**Replies:** 5\
**Last updated:** [3 June 2019 17:31 UTC](https://discourse.nodered.org/t/changing-a-payload-obects-field-name/11797 "2019-06-03T17:31:13Z")

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I'm in the process of creating an influx database which reads in the three properties of my central heating system. These readings are being fed from a separate program running on an old raspberry pi to the latest model …

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## [Map device id to name and vice versa](https://discourse.nodered.org/t/map-device-id-to-name-and-vice-versa/11561)

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**Author:** [@rsenden](https://discourse.nodered.org/u/rsenden)\
**Replies:** 4\
**Last updated:** [27 May 2019 12:10 UTC](https://discourse.nodered.org/t/map-device-id-to-name-and-vice-versa/11561 "2019-05-27T12:10:26Z")

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I use an RFXCom to receive input and send output to KlikAanKlikUit devices. The rfx-lights-in/out nodes use KaKu device id's like AC/0x01010101/1, but for various flows I need to translate these device id's to or from fr…

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## [Hide screen parts](https://discourse.nodered.org/t/hide-screen-parts/11790)

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**Author:** [@lozzer65](https://discourse.nodered.org/u/lozzer65)\
**Replies:** 4\
**Last updated:** [3 June 2019 09:15 UTC](https://discourse.nodered.org/t/hide-screen-parts/11790 "2019-06-03T09:15:49Z")

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Anyone know how I can hide the mouse pointer on a touchscreen. also how to hide the menu button in the top left corner. Thanks Laurie

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## [webOS node-red workflow designer toolkit](https://discourse.nodered.org/t/webos-node-red-workflow-designer-toolkit/11776)

<div class="topic-metadata">

**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\
**Replies:** 1\
**Last updated:** [3 June 2019 08:43 UTC](https://discourse.nodered.org/t/webos-node-red-workflow-designer-toolkit/11776 "2019-06-03T08:43:52Z")

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Hi I need help on this.WebOS has node-red designer and it package it with .ipk output file . When i package dashboard ui flows , it doesn't appear as it will use the index.html file in the folder sampleApp at the…

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## [Cannot Update to 20.5](https://discourse.nodered.org/t/cannot-update-to-20-5/11674)

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**Author:** [@hermann1514](https://discourse.nodered.org/u/hermann1514)\
**Replies:** 2\
**Last updated:** [3 June 2019 06:49 UTC](https://discourse.nodered.org/t/cannot-update-to-20-5/11674 "2019-06-03T06:49:28Z")

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Hey, my nodered 19.5 install works fine on my Ubnutu 18.04 . I would like to Update to the latest 20.5 Version. I use the sudo npm install -g --unsafe-perm node-red to update Nodered. After restart i have always the…

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## [Integrate login of node-red](https://discourse.nodered.org/t/integrate-login-of-node-red/11788)

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**Author:** [@Jack](https://discourse.nodered.org/u/Jack)\
**Replies:** 0\
**Last updated:** [3 June 2019 06:29 UTC](https://discourse.nodered.org/t/integrate-login-of-node-red/11788 "2019-06-03T06:29:46Z")

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I want to integrate node-red in a java web ,I've actually realized the functions of process management and node management by using http api of node-red. now i want to use my Login Page instead of node-red's login page,b…

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## [Issue: zoom keyboard shortcut ctrl+\[-\] and ctrl+\[0\] not working](https://discourse.nodered.org/t/issue-zoom-keyboard-shortcut-ctrl-and-ctrl-0-not-working/11755)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 7\
**Last updated:** [2 June 2019 18:42 UTC](https://discourse.nodered.org/t/issue-zoom-keyboard-shortcut-ctrl-and-ctrl-0-not-working/11755 "2019-06-02T18:42:25Z")

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HI all, i use keyboard shortcut to zoom in, with ctrl + \[=\] BUT when i want to zoom out with ctr + or \[0\] there is no response !? I'm in chrome Browser and Nodered v0.20.5 Did you see the same ?

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## [Convert Array intoto JSON](https://discourse.nodered.org/t/convert-array-intoto-json/11758)

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**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 13\
**Last updated:** [2 June 2019 16:41 UTC](https://discourse.nodered.org/t/convert-array-intoto-json/11758 "2019-06-02T16:41:34Z")

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Hi, I need to convert a sql result from an array into JSON like this to present in a graph How can I solve that?

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## [Editable List: Cancel removeItem?](https://discourse.nodered.org/t/editable-list-cancel-removeitem/11762)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 1\
**Last updated:** [2 June 2019 16:34 UTC](https://discourse.nodered.org/t/editable-list-cancel-removeitem/11762 "2019-06-02T16:34:59Z")

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Hi, is there any way to cancel a removeItem? I have an editable list defined as: $('#node-input-packageList').editableList({ addItem: addPackageRow, // function removeItem: removePackageRow, // function(data){}…

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