# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=834

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

**Page:** 835

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## [Flow variables troubles](https://discourse.nodered.org/t/flow-variables-troubles/16593)

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**Author:** [@jlb](https://discourse.nodered.org/u/jlb)\
**Replies:** 26\
**Last updated:** [24 October 2019 09:32 UTC](https://discourse.nodered.org/t/flow-variables-troubles/16593 "2019-10-24T09:32:18Z")

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I have some troubles by using the flow variable. In one case with a javascript that's ok i can have a return of the Flow variable, but on another use case, it doesn't work... this is my flow, the one with the debug mess…

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## [Generic / Reusable flows](https://discourse.nodered.org/t/generic-reusable-flows/16703)

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**Author:** [@Oozlum](https://discourse.nodered.org/u/Oozlum)\
**Replies:** 8\
**Last updated:** [23 October 2019 22:48 UTC](https://discourse.nodered.org/t/generic-reusable-flows/16703 "2019-10-23T22:48:38Z")

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I'm very new to this and I am currently reading lots of learning resources to get up to speed. One thing I have noticed (and which has me slightly concerned about Node-RED's suitability for me) is that all the examples …

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## [Troubleshooting an error on IBM cloud](https://discourse.nodered.org/t/troubleshooting-an-error-on-ibm-cloud/16877)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 11\
**Last updated:** [23 October 2019 20:03 UTC](https://discourse.nodered.org/t/troubleshooting-an-error-on-ibm-cloud/16877 "2019-10-23T20:03:55Z")

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Hi folks, This is a specific question from @rtholl in another discussion, but would like to keep the other discussion focussed on heatmaps ... Summarized: I have create an IBM cloud account and installed the node-red-c…

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## [Reset msgs being passed on by delay node in rate limiting mode](https://discourse.nodered.org/t/reset-msgs-being-passed-on-by-delay-node-in-rate-limiting-mode/17055)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [23 October 2019 18:04 UTC](https://discourse.nodered.org/t/reset-msgs-being-passed-on-by-delay-node-in-rate-limiting-mode/17055 "2019-10-23T18:04:19Z")

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\[{"id":"48158429.57399c","type":"inject","z":"85a8fc1f.a06b8","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":620,"y":160,"wires":\[\["1ffd7bc4.065bc4"\]\]},…

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## [Nodes not showing up in palette, grey outline in manager](https://discourse.nodered.org/t/nodes-not-showing-up-in-palette-grey-outline-in-manager/17041)

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**Author:** [@OlafVW](https://discourse.nodered.org/u/OlafVW)\
**Replies:** 16\
**Last updated:** [23 October 2019 14:46 UTC](https://discourse.nodered.org/t/nodes-not-showing-up-in-palette-grey-outline-in-manager/17041 "2019-10-23T14:46:20Z")

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Hey everyone, I recently started working with Node-Red. I decided I wanted to use the node-red-contrib-winccoa module, but when I installed it only a few of the nodes were visible in the palette even though there was th…

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## [Using node-red for RSS / website monitors to replace Huginn](https://discourse.nodered.org/t/using-node-red-for-rss-website-monitors-to-replace-huginn/13765)

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**Author:** [@HeinN](https://discourse.nodered.org/u/HeinN)\
**Replies:** 24\
**Last updated:** [23 October 2019 12:27 UTC](https://discourse.nodered.org/t/using-node-red-for-rss-website-monitors-to-replace-huginn/13765 "2019-10-23T12:27:52Z")

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Greetings together, I write here as I try to transition myself from Huginn to node-red as I found node-red much easier to install while being leaner and multifunctional on the hardware. Problem is, I cannot program and…

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## [CRON Plus help please](https://discourse.nodered.org/t/cron-plus-help-please/17039)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [23 October 2019 10:59 UTC](https://discourse.nodered.org/t/cron-plus-help-please/17039 "2019-10-23T10:59:33Z")

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Hey folks. I am not getting all these fancy tricks with the cronplus node. I sort of do and sort of don't. Although there are examples given, I can't get from them what I want. I am wanting to inject a command to ad…

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## [Error in node "amqp2 in" when getting new messages](https://discourse.nodered.org/t/error-in-node-amqp2-in-when-getting-new-messages/16914)

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**Author:** [@Terry](https://discourse.nodered.org/u/Terry)\
**Replies:** 10\
**Last updated:** [23 October 2019 09:15 UTC](https://discourse.nodered.org/t/error-in-node-amqp2-in-when-getting-new-messages/16914 "2019-10-23T09:15:53Z")

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I got an error message like this, "error: Queue onMessage consumer function returned error: Cannot assign to read only property 'writeQueueSize' of object '#' module=amqp-ts" In my flow, I have a node of "amqp2 in". Thi…

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## [Split JSON string and BASE64 conversion](https://discourse.nodered.org/t/split-json-string-and-base64-conversion/16995)

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**Author:** [@easyE4](https://discourse.nodered.org/u/easyE4)\
**Replies:** 22\
**Last updated:** [23 October 2019 08:59 UTC](https://discourse.nodered.org/t/split-json-string-and-base64-conversion/16995 "2019-10-23T08:59:16Z")

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Hello everybody, I am a PLC programmer and the world of Node-Red is completely new to me. I now want to read data from a small controller, which will be provided to me in a JSON format. The format looks like this: msg…

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## [Replace Dashboard button with uibuilder button](https://discourse.nodered.org/t/replace-dashboard-button-with-uibuilder-button/17000)

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**Author:** [@Squirrelbd](https://discourse.nodered.org/u/Squirrelbd)\
**Replies:** 7\
**Last updated:** [23 October 2019 06:00 UTC](https://discourse.nodered.org/t/replace-dashboard-button-with-uibuilder-button/17000 "2019-10-23T06:00:25Z")

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I am moving from Dashboard to uibuilder for the user interface. Now I need to replace my Dashboard button with uibuilder button. So that it can continue to trigger my other nodes connected to the dashboard button. My ex…

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## [Time control for lights automation](https://discourse.nodered.org/t/time-control-for-lights-automation/16774)

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**Author:** [@juancuellar](https://discourse.nodered.org/u/juancuellar)\
**Replies:** 3\
**Last updated:** [22 October 2019 20:58 UTC](https://discourse.nodered.org/t/time-control-for-lights-automation/16774 "2019-10-22T20:58:43Z")

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Hi so i added a lot of sonoff mini devices running tasmota on my house to control the lights, and i wanted to use a configurable timeout for each light with a enable switch and that you are able to control everything fro…

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## [Is it possible to make a separate user's visualisation panel?](https://discourse.nodered.org/t/is-it-possible-to-make-a-separate-users-visualisation-panel/17012)

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**Author:** [@rmatveev](https://discourse.nodered.org/u/rmatveev)\
**Replies:** 6\
**Last updated:** [22 October 2019 20:58 UTC](https://discourse.nodered.org/t/is-it-possible-to-make-a-separate-users-visualisation-panel/17012 "2019-10-22T20:58:15Z")

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I'm trying to make a simple controller based on Raspberry Pi 3B+. I need the controller to display simple visualisation via web-page (web-based control panel) and communicate with a Modbus device via UART. I think that …

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## [Reset a number to zero an starts counting](https://discourse.nodered.org/t/reset-a-number-to-zero-an-starts-counting/16928)

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**Author:** [@debouttek](https://discourse.nodered.org/u/debouttek)\
**Replies:** 13\
**Last updated:** [22 October 2019 19:30 UTC](https://discourse.nodered.org/t/reset-a-number-to-zero-an-starts-counting/16928 "2019-10-22T19:30:07Z")

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I got a msg.payload that gives me a number for example 62123 and it is still counting liters of water that are flowing in my home. (I receive it from a Mqtt) Its not possible to reset it in the Mqtt device because I can…

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## [Ui template link to worldmap with markers](https://discourse.nodered.org/t/ui-template-link-to-worldmap-with-markers/6668)

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**Author:** [@jupiter8](https://discourse.nodered.org/u/jupiter8)\
**Replies:** 7\
**Last updated:** [10 January 2019 22:03 UTC](https://discourse.nodered.org/t/ui-template-link-to-worldmap-with-markers/6668 "2019-01-10T22:03:38Z")

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I'm having a few buttons designed with the ui template node to link to other web pages like grafana, worldmap and others. What i'd like to achieve is open worldmap WITH the marker already there without having to inject t…

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## [Planning disaster recovery](https://discourse.nodered.org/t/planning-disaster-recovery/16638)

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**Author:** [@ianmacs](https://discourse.nodered.org/u/ianmacs)\
**Replies:** 7\
**Last updated:** [22 October 2019 18:49 UTC](https://discourse.nodered.org/t/planning-disaster-recovery/16638 "2019-10-22T18:49:50Z")

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I find that I am slowly automating more and more things my home with node-red. I use a node-red project (i.e. git), commit and push the repo to my home server (albeit only every few weeks) and thought by doing this I was…

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## [Change node problem](https://discourse.nodered.org/t/change-node-problem/14963)

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**Author:** [@seymour](https://discourse.nodered.org/u/seymour)\
**Replies:** 16\
**Last updated:** [22 October 2019 18:30 UTC](https://discourse.nodered.org/t/change-node-problem/14963 "2019-10-22T18:30:57Z")

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Hi, I'm trying to change a command from true to on and from false to off in order to make a state node for alexa work but It doesn't change the message and still give back TRUE and FALSE, I'll attach some pics. What did…

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## [Using data directly from the JSON output of MQTT](https://discourse.nodered.org/t/using-data-directly-from-the-json-output-of-mqtt/17024)

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**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 6\
**Last updated:** [22 October 2019 17:28 UTC](https://discourse.nodered.org/t/using-data-directly-from-the-json-output-of-mqtt/17024 "2019-10-22T17:28:19Z")

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I have a working flow below, but I want to understand how to simplify it so my flows are cleaner (and learn something new). I was thinking a function node could do all of it, and would appreciate any pointers. The input…

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## [How to new flows and access from another username password](https://discourse.nodered.org/t/how-to-new-flows-and-access-from-another-username-password/16991)

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**Author:** [@Phatthawat](https://discourse.nodered.org/u/Phatthawat)\
**Replies:** 11\
**Last updated:** [22 October 2019 14:37 UTC](https://discourse.nodered.org/t/how-to-new-flows-and-access-from-another-username-password/16991 "2019-10-22T14:37:42Z")

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I have 1 project then finished one i want to create a new project and new dashboard how can i do it ? i installed it on Raspi

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## [Using 'if' statement for Weather Data on NodeRed](https://discourse.nodered.org/t/using-if-statement-for-weather-data-on-nodered/17005)

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**Author:** [@primat11](https://discourse.nodered.org/u/primat11)\
**Replies:** 4\
**Last updated:** [22 October 2019 11:06 UTC](https://discourse.nodered.org/t/using-if-statement-for-weather-data-on-nodered/17005 "2019-10-22T11:06:35Z")

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Hello all, I am using OpenWeatherMap node on Node-Red to fetch weather data for my city. But I am trying to use 'if' statement with a function node. But I am not sure if I am actually doing it right as I am not getting …

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## [Toggle switch initial value?](https://discourse.nodered.org/t/toggle-switch-initial-value/16997)

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**Author:** [@ruraldev](https://discourse.nodered.org/u/ruraldev)\
**Replies:** 5\
**Last updated:** [22 October 2019 10:42 UTC](https://discourse.nodered.org/t/toggle-switch-initial-value/16997 "2019-10-22T10:42:36Z")

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I've got a toggle switch which triggers a MQTT node to control a heater, it works fine but the initial value is always shown as OFF even if the heater is ON. I'm feeding the msg.payload value of "ON" into the toggle swi…

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## [Add current timestamp in ms resolution](https://discourse.nodered.org/t/add-current-timestamp-in-ms-resolution/17004)

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**Author:** [@\_fa](https://discourse.nodered.org/u/_fa)\
**Replies:** 1\
**Last updated:** [22 October 2019 10:24 UTC](https://discourse.nodered.org/t/add-current-timestamp-in-ms-resolution/17004 "2019-10-22T10:24:08Z")

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I am using Node-RED to get values from a Modbus device and store them in a database. The frequency of the Modbus reading varies but may be as high as 100 ms. Every row of the database requires two fields, the value and…

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## [Managing conflicts in Firebase nodes](https://discourse.nodered.org/t/managing-conflicts-in-firebase-nodes/16952)

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**Author:** [@JbIPS](https://discourse.nodered.org/u/JbIPS)\
**Replies:** 7\
**Last updated:** [22 October 2019 09:52 UTC](https://discourse.nodered.org/t/managing-conflicts-in-firebase-nodes/16952 "2019-10-22T09:52:06Z")

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Hi, I'm currently on a project that use lots of Firebase capabilities (store, auth, admin, ...). As I'd like to use specific nodes for each action (not a big fan of the 'One to rules them all' node), I try to use focuse…

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## [Install fails when umask=077](https://discourse.nodered.org/t/install-fails-when-umask-077/16982)

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**Author:** [@ednl](https://discourse.nodered.org/u/ednl)\
**Replies:** 3\
**Last updated:** [22 October 2019 09:09 UTC](https://discourse.nodered.org/t/install-fails-when-umask-077/16982 "2019-10-22T09:09:00Z")

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Fresh install of Raspbian Buster on RPi4, but I changed umask from 022 to 077 as part of my post-install customisations. The install script fails every time at "Failed to install Node.js - Exit" without anything helpful …

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## [Uibuilder multiple button (Button only work once!)](https://discourse.nodered.org/t/uibuilder-multiple-button-button-only-work-once/16955)

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**Author:** [@Squirrelbd](https://discourse.nodered.org/u/Squirrelbd)\
**Replies:** 7\
**Last updated:** [22 October 2019 09:06 UTC](https://discourse.nodered.org/t/uibuilder-multiple-button-button-only-work-once/16955 "2019-10-22T09:06:46Z")

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I am working with uibuilder for last few days. I have created a simple flow like this where there is a form and some button : \[{"id":"e4695ab2.c1ac08","type":"inject","z":"99307f08.810f6","name":"","topic":"cardId","pa…

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## [How to copy file from shared folder to shared folder using node-red flow](https://discourse.nodered.org/t/how-to-copy-file-from-shared-folder-to-shared-folder-using-node-red-flow/16959)

<div class="topic-metadata">

**Author:** [@lpt2007](https://discourse.nodered.org/u/lpt2007)\
**Replies:** 7\
**Last updated:** [22 October 2019 07:38 UTC](https://discourse.nodered.org/t/how-to-copy-file-from-shared-folder-to-shared-folder-using-node-red-flow/16959 "2019-10-22T07:38:00Z")

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Hi, It is possible to copy file from one shared folder to another shared folder using node-red flow? How?

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## [Make a documentation suggestion?](https://discourse.nodered.org/t/make-a-documentation-suggestion/16941)

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**Author:** [@jbob762](https://discourse.nodered.org/u/jbob762)\
**Replies:** 7\
**Last updated:** [22 October 2019 06:27 UTC](https://discourse.nodered.org/t/make-a-documentation-suggestion/16941 "2019-10-22T06:27:38Z")

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Where is the right place to suggest a documentation change? Just beginning using node-red, but really liking what I have seen so far. I was using the node-red docs to install in docker: https://nodered.org/docs/getting…

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## [Get unaffected link out nodes](https://discourse.nodered.org/t/get-unaffected-link-out-nodes/16954)

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**Author:** [@NicolasC](https://discourse.nodered.org/u/NicolasC)\
**Replies:** 6\
**Last updated:** [22 October 2019 04:18 UTC](https://discourse.nodered.org/t/get-unaffected-link-out-nodes/16954 "2019-10-22T04:18:02Z")

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Hi, Is there a way to see "link out nodes" that are not connected to a "link in node" ? It could have been an output after deploying flows. when exporting/importing flows between enironments, links a lost, and I have …

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## [Ethernet-ip protoccol](https://discourse.nodered.org/t/ethernet-ip-protoccol/16382)

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**Author:** [@RamazanAslan38](https://discourse.nodered.org/u/RamazanAslan38)\
**Replies:** 7\
**Last updated:** [22 October 2019 00:25 UTC](https://discourse.nodered.org/t/ethernet-ip-protoccol/16382 "2019-10-22T00:25:38Z")

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Hi Everbody; I am trying to read tags from Allen Bradley Micro 850 PLC with node-red-contrib-cip-ethernet-ip node but I am taking this error : Error connecting to PLC: Error: TIMEOUT occurred while reading Controller P…

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## [Uibuilder and Vuetify - Scripts not working](https://discourse.nodered.org/t/uibuilder-and-vuetify-scripts-not-working/16958)

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**Author:** [@Stylo](https://discourse.nodered.org/u/Stylo)\
**Replies:** 4\
**Last updated:** [21 October 2019 21:11 UTC](https://discourse.nodered.org/t/uibuilder-and-vuetify-scripts-not-working/16958 "2019-10-21T21:11:32Z")

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Hi all, I've been working on using Vuetify alongside uibuilder as I'm building a dashboard for my work project. I've stumbled across a (probably easily mendable) issue however - I'm currently trying to implement a Vuet…

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## [Concat long Base64 string](https://discourse.nodered.org/t/concat-long-base64-string/16869)

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**Author:** [@gilad](https://discourse.nodered.org/u/gilad)\
**Replies:** 2\
**Last updated:** [21 October 2019 20:25 UTC](https://discourse.nodered.org/t/concat-long-base64-string/16869 "2019-10-21T20:25:20Z")

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Hi all, I'm trying to concatenate an encoded Base64 array into a single long string - and then decode it as a single mp3 file. Is there a way to make it work with 300K-500K chars? The idea is to to decode it again to …

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