# Latest

**URL:** https://discourse.nodered.org/latest.md?page=876

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

**Page:** 877

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## [Struggle with boolean](https://discourse.nodered.org/t/struggle-with-boolean/41581)

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**Author:** [@JJdave](https://discourse.nodered.org/u/JJdave)\
**Replies:** 20\
**Last updated:** [25 February 2021 10:36 UTC](https://discourse.nodered.org/t/struggle-with-boolean/41581 "2021-02-25T10:36:30Z")

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Hi, I am pretty new here and started working with NR a couple of weeks ago, so still a novice. Currently struggeling with simple boolean logic. I just want to made a simple AND logic, where one input is a state-change …

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## [Two different SQLite3 Databases in one flow](https://discourse.nodered.org/t/two-different-sqlite3-databases-in-one-flow/41601)

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**Author:** [@iotred3307](https://discourse.nodered.org/u/iotred3307)\
**Replies:** 9\
**Last updated:** [25 February 2021 10:17 UTC](https://discourse.nodered.org/t/two-different-sqlite3-databases-in-one-flow/41601 "2021-02-25T10:17:26Z")

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Hello NodeRed Team, I have two different sqlite3 databases in one flow. I want to select one value, each from those different databases, and compare. Unfortunately, when I change the path in one database, the other auto…

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## [How to write to multiple registers using FC 16](https://discourse.nodered.org/t/how-to-write-to-multiple-registers-using-fc-16/41609)

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**Author:** [@Waled22](https://discourse.nodered.org/u/Waled22)\
**Replies:** 1\
**Last updated:** [25 February 2021 10:23 UTC](https://discourse.nodered.org/t/how-to-write-to-multiple-registers-using-fc-16/41609 "2021-02-25T10:23:27Z")

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Hi there, I want to write these Modbus registers (attached figure), however, I am getting confused about what to write in function code while using FC 16. I am able to write them individually using FC 06, individual fun…

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## [Flows\_raspberrypi.json loading backup issue](https://discourse.nodered.org/t/flows-raspberrypi-json-loading-backup-issue/41611)

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**Author:** [@Dave](https://discourse.nodered.org/u/Dave)\
**Replies:** 2\
**Last updated:** [25 February 2021 09:55 UTC](https://discourse.nodered.org/t/flows-raspberrypi-json-loading-backup-issue/41611 "2021-02-25T09:55:36Z")

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I have a really strange problem, I saved a copy of my flows\_raspberrypi.json file 2844kb to a separate attached drive and changed its name to stable\_flows\_raspberrypi.json, back on the open browser I deleted a flow that …

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## [Project mode - information on how setting.js, package.json and depenendencies are handled](https://discourse.nodered.org/t/project-mode-information-on-how-setting-js-package-json-and-depenendencies-are-handled/41552)

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**Author:** [@rogerjames99](https://discourse.nodered.org/u/rogerjames99)\
**Replies:** 4\
**Last updated:** [25 February 2021 08:48 UTC](https://discourse.nodered.org/t/project-mode-information-on-how-setting-js-package-json-and-depenendencies-are-handled/41552 "2021-02-25T08:48:29Z")

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Is there any documentation anywhere on how this works. I can see there are; A number of hidden files in the node red home directory. A package.json file in the individual project directories. A package.json file…

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## [Persistent global variables](https://discourse.nodered.org/t/persistent-global-variables/41559)

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**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 7\
**Last updated:** [25 February 2021 07:12 UTC](https://discourse.nodered.org/t/persistent-global-variables/41559 "2021-02-25T07:12:38Z")

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Hi, I have a certain amount of global variable saved in the localfilesystem. I have seen that the variables are saved in .node-red/context/global/global.json, but there is something weird: not all the variables are in t…

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## [Mdashboard Tables](https://discourse.nodered.org/t/mdashboard-tables/40351)

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**Author:** [@renzoc](https://discourse.nodered.org/u/renzoc)\
**Replies:** 2\
**Last updated:** [25 February 2021 00:39 UTC](https://discourse.nodered.org/t/mdashboard-tables/40351 "2021-02-25T00:39:24Z")

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Hi, I'm trying to make a table in mdashboard using template, I've tried it in dashboard and it works but when i replicate it in mdashboard it doesn't work, does anyone have a sample or suggestion that i can try in mdashb…

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## [Abandoned Module - Can I Take It Over?](https://discourse.nodered.org/t/abandoned-module-can-i-take-it-over/41429)

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**Author:** [@recursivecodes](https://discourse.nodered.org/u/recursivecodes)\
**Replies:** 8\
**Last updated:** [25 February 2021 00:16 UTC](https://discourse.nodered.org/t/abandoned-module-can-i-take-it-over/41429 "2021-02-25T00:16:13Z")

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I forked and updated an older module that interacts with Oracle DB: I submitted a PR: But it looks as if the original creator/maintainer is no longer active on GitHub (no activity within the last 2+ years). Can I b…

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## [\[SUGGESTION\] a node "ring that brings them all together 🧙"](https://discourse.nodered.org/t/suggestion-a-node-ring-that-brings-them-all-together/41306)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 8\
**Last updated:** [25 February 2021 00:03 UTC](https://discourse.nodered.org/t/suggestion-a-node-ring-that-brings-them-all-together/41306 "2021-02-25T00:03:55Z")

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I am often embarrassed with the quantity of thread that I have to pull to unite several knots between them. Therefore, I suggest a knot that lets all kinds of messages pass. I know that we can do it with a Function node…

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## [Memory problem Dashboard/plotly.js](https://discourse.nodered.org/t/memory-problem-dashboard-plotly-js/41368)

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**Author:** [@rko](https://discourse.nodered.org/u/rko)\
**Replies:** 25\
**Last updated:** [24 February 2021 22:54 UTC](https://discourse.nodered.org/t/memory-problem-dashboard-plotly-js/41368 "2021-02-24T22:54:37Z")

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We are struggling with a memory problem. The attached flow should be ready to run but following nodes are needed: node-red-contrib-linux-memory (0.8.1) node-red-contrib-pid (1.1.7) node-red-dashboard (2.28.1) To make …

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## [Siemens LOGO in NodeRED: How to use one instance and split variables / messages?](https://discourse.nodered.org/t/siemens-logo-in-nodered-how-to-use-one-instance-and-split-variables-messages/41588)

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**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 8\
**Last updated:** [24 February 2021 22:46 UTC](https://discourse.nodered.org/t/siemens-logo-in-nodered-how-to-use-one-instance-and-split-variables-messages/41588 "2021-02-24T22:46:56Z")

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Hi, after getting the basic setup of my LOGO PLC with NodeRed running as expected, I would like trying to optimize my flow a little bit (if possible and if it make sense at all :slight\_smile: ) Here's what the whole th…

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## [Node-red-contrib-ikea-tradfri](https://discourse.nodered.org/t/node-red-contrib-ikea-tradfri/41579)

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**Author:** [@ponkje](https://discourse.nodered.org/u/ponkje)\
**Replies:** 2\
**Last updated:** [24 February 2021 22:30 UTC](https://discourse.nodered.org/t/node-red-contrib-ikea-tradfri/41579 "2021-02-24T22:30:22Z")

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Hi! Does anyone have an example how to send in JSON to control my IKEA lamps using the node-red-contrib-ikea-tradfri. I have tried a lot but I does not work. Maybe I have the wrong format or something and I don't unde…

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## [Node-red-contrib-zigbee - documentation](https://discourse.nodered.org/t/node-red-contrib-zigbee-documentation/41504)

<div class="topic-metadata">

**Author:** [@KoenH](https://discourse.nodered.org/u/KoenH)\
**Replies:** 1\
**Last updated:** [24 February 2021 22:15 UTC](https://discourse.nodered.org/t/node-red-contrib-zigbee-documentation/41504 "2021-02-24T22:15:54Z")

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Hello all, i'm trying to set up the " node-red-contrib-zigbee" node, but one of the open points is the documentation. No offence, i understand not everything can be done at once. I think i have set up my herdsmen node …

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## [Node Red at enterprise level](https://discourse.nodered.org/t/node-red-at-enterprise-level/11205)

<div class="topic-metadata">

**Author:** [@Immrgreen](https://discourse.nodered.org/u/Immrgreen)\
**Replies:** 24\
**Last updated:** [24 February 2021 22:11 UTC](https://discourse.nodered.org/t/node-red-at-enterprise-level/11205 "2021-02-24T22:11:55Z")

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I need a help regarding Node-red at enterprise level As I want to use Node-red to collect data from Siemens S7 PLC for my project I/O may vary from 10s to 1000s and I am gonna use Node-red on my desktop computer so I wan…

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## [Detect Payload is JSON object vs. String vs. Array](https://discourse.nodered.org/t/detect-payload-is-json-object-vs-string-vs-array/41565)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 18\
**Last updated:** [24 February 2021 22:04 UTC](https://discourse.nodered.org/t/detect-payload-is-json-object-vs-string-vs-array/41565 "2021-02-24T22:04:46Z")

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Upon using MQTT nodes, my testing has run up against a problem which is in the Forum post "MQTT-in node - autodetect string, buffer and JSON object". You can either have the MQTT-in force a JSON object or pass the objec…

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## [Play Music from Spotify on GH Speaker Group](https://discourse.nodered.org/t/play-music-from-spotify-on-gh-speaker-group/41591)

<div class="topic-metadata">

**Author:** [@anqdc](https://discourse.nodered.org/u/anqdc)\
**Replies:** 0\
**Last updated:** [24 February 2021 21:28 UTC](https://discourse.nodered.org/t/play-music-from-spotify-on-gh-speaker-group/41591 "2021-02-24T21:28:34Z")

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Hello! I'm trying to trigger Spotify playback on my "Whole House" speaker group from Node Red... I assume this is possible with the right amount of coding knowledge? I have the Spotify node up and running, I can success…

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## [Displaying Boolean Global Via a Switch Node](https://discourse.nodered.org/t/displaying-boolean-global-via-a-switch-node/41584)

<div class="topic-metadata">

**Author:** [@gcortes](https://discourse.nodered.org/u/gcortes)\
**Replies:** 7\
**Last updated:** [24 February 2021 21:16 UTC](https://discourse.nodered.org/t/displaying-boolean-global-via-a-switch-node/41584 "2021-02-24T21:16:19Z")

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I've created a global variable and set it to boolean true or false in my sequences. I would like to display it on a dashboard. I connected the change nodes for the global to a switch and set on and off payload to global.…

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## [Split sensor readings](https://discourse.nodered.org/t/split-sensor-readings/41528)

<div class="topic-metadata">

**Author:** [@PinPat](https://discourse.nodered.org/u/PinPat)\
**Replies:** 5\
**Last updated:** [24 February 2021 20:29 UTC](https://discourse.nodered.org/t/split-sensor-readings/41528 "2021-02-24T20:29:24Z")

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I am getting transmitter data as below. Temperature Channel 1: C: 29.68Temperature Channel 2: C: 29.43Temperature Channel 3: C: 31.12 Can someone please guide me how can i separate these three readings? I want to creat…

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## [Formating input signal into Time Format](https://discourse.nodered.org/t/formating-input-signal-into-time-format/41544)

<div class="topic-metadata">

**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 2\
**Last updated:** [24 February 2021 19:16 UTC](https://discourse.nodered.org/t/formating-input-signal-into-time-format/41544 "2021-02-24T19:16:32Z")

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Hi, I am completely new to Node Red and want to use it to integrate some PLC Logic into HomeAssistant. My PLC is a Siemens LOGO!8 which controlls light and temperature of some terrariums - while HomeAssistant should be …

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## [Insert flat text and variable into sqlite db](https://discourse.nodered.org/t/insert-flat-text-and-variable-into-sqlite-db/41540)

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**Author:** [@Gino\_Schreuders](https://discourse.nodered.org/u/Gino_Schreuders)\
**Replies:** 3\
**Last updated:** [24 February 2021 18:50 UTC](https://discourse.nodered.org/t/insert-flat-text-and-variable-into-sqlite-db/41540 "2021-02-24T18:50:14Z")

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I run into a new problem :frowning:. I want to Scrap the data from another site. There are 3 rows(Firma,ArtikelNaam,Prijs) that I want to fill up. The Firma row has to contain "Jaggsalarm" on every column. The ArtikelNa…

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## [Solved: Formatting message with subtopics for mqtt](https://discourse.nodered.org/t/solved-formatting-message-with-subtopics-for-mqtt/41573)

<div class="topic-metadata">

**Author:** [@ArcherThompson](https://discourse.nodered.org/u/ArcherThompson)\
**Replies:** 6\
**Last updated:** [24 February 2021 18:47 UTC](https://discourse.nodered.org/t/solved-formatting-message-with-subtopics-for-mqtt/41573 "2021-02-24T18:47:03Z")

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I am trying to send a mqtt message where I have a subtopic but I am having no luck getting my message formatted correctly. The main topic contains identifiers and the subtopic will be an array with the name/values. My e…

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## [Add Docs on VS Code to debug Node-RED and nodes](https://discourse.nodered.org/t/add-docs-on-vs-code-to-debug-node-red-and-nodes/11891)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 13\
**Last updated:** [24 February 2021 18:17 UTC](https://discourse.nodered.org/t/add-docs-on-vs-code-to-debug-node-red-and-nodes/11891 "2021-02-24T18:17:34Z")

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For those who are beginning Node-RED and running into some problems with particular nodes, Can someone please post a typical configuration in order to run Node-RED in VS Code in order to facilitate finding problems with…

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## [Can't find correct settings.js - the one I found is not used](https://discourse.nodered.org/t/cant-find-correct-settings-js-the-one-i-found-is-not-used/41548)

<div class="topic-metadata">

**Author:** [@americanium](https://discourse.nodered.org/u/americanium)\
**Replies:** 12\
**Last updated:** [24 February 2021 18:03 UTC](https://discourse.nodered.org/t/cant-find-correct-settings-js-the-one-i-found-is-not-used/41548 "2021-02-24T18:03:23Z")

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Hello! I have problems unsing node-red. I installed it on a raspberry pi with the "automatic" installer and all worked. The backend and the "ui" is accessable on port 1880. I wanted to set a username and password and…

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## [Multiple lines on a chart- not working -"labels" are not pushed](https://discourse.nodered.org/t/multiple-lines-on-a-chart-not-working-labels-are-not-pushed/41554)

<div class="topic-metadata">

**Author:** [@A.K](https://discourse.nodered.org/u/A.K)\
**Replies:** 7\
**Last updated:** [24 February 2021 16:29 UTC](https://discourse.nodered.org/t/multiple-lines-on-a-chart-not-working-labels-are-not-pushed/41554 "2021-02-24T16:29:20Z")

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Hi, I have made a project in which the points come from mySQL and are listed in ui\_template. By selecting each point, that point will be added to the chart array.!\[History|690x298\] The problem: Although series and d…

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## [Convert switch state to binary and add seperate array](https://discourse.nodered.org/t/convert-switch-state-to-binary-and-add-seperate-array/41550)

<div class="topic-metadata">

**Author:** [@vikingsraven](https://discourse.nodered.org/u/vikingsraven)\
**Replies:** 3\
**Last updated:** [24 February 2021 16:26 UTC](https://discourse.nodered.org/t/convert-switch-state-to-binary-and-add-seperate-array/41550 "2021-02-24T16:26:30Z")

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HI all, ive been working on this for a while now, im trying to control a can bus module. pulling data out fine and the rest is working , im not stuck on getting the control state out. i have 6 switches, each is initall…

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## [Stream data from node-red to c program?](https://discourse.nodered.org/t/stream-data-from-node-red-to-c-program/41266)

<div class="topic-metadata">

**Author:** [@a1ex](https://discourse.nodered.org/u/a1ex)\
**Replies:** 23\
**Last updated:** [24 February 2021 15:55 UTC](https://discourse.nodered.org/t/stream-data-from-node-red-to-c-program/41266 "2021-02-24T15:55:57Z")

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Thanks to all who helped with the reverse question. I’d now like to stream data from node-red to a c program for use as input in computations. I’ll keep it simple. All I want is to inject a timestamp, stream it live to…

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## [GeoJson information](https://discourse.nodered.org/t/geojson-information/41571)

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**Author:** [@geppoleppo](https://discourse.nodered.org/u/geppoleppo)\
**Replies:** 0\
**Last updated:** [24 February 2021 15:54 UTC](https://discourse.nodered.org/t/geojson-information/41571 "2021-02-24T15:54:42Z")

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Hi, I ask you for help. I have a dashboard where I upload 4 satellite images in Geojson format. I would like to be able to select a point in the image and plot the trend of the value of the last 4 images in a graph. I…

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## [PI zero - performance Tips Please](https://discourse.nodered.org/t/pi-zero-performance-tips-please/41305)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 25\
**Last updated:** [24 February 2021 15:47 UTC](https://discourse.nodered.org/t/pi-zero-performance-tips-please/41305 "2021-02-24T15:47:19Z")

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Hi, I have a PI Zero W and are running node-red with 32 nodes on it, it is very slow. Takes a good 15 to 30 sec to deploy the flow if not longer (most of the time longer and the dashboard even longer). Is this normal o…

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## [YI-HACK - Send video files to Telegram](https://discourse.nodered.org/t/yi-hack-send-video-files-to-telegram/41490)

<div class="topic-metadata">

**Author:** [@Grist](https://discourse.nodered.org/u/Grist)\
**Replies:** 6\
**Last updated:** [24 February 2021 15:00 UTC](https://discourse.nodered.org/t/yi-hack-send-video-files-to-telegram/41490 "2021-02-24T15:00:26Z")

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Hi, I am using an YI camera that has the MQTT service enabled. When a motion is detected, then there is a topic on the MQTT broker with e.g. the following value: { "start":"2021-02-23T14:28:47+0100", "end":"2021-02-23T…

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## [\[ANNOUNCE\]node-red-contrib-ui-multistate-switch: v1.0.0](https://discourse.nodered.org/t/announce-node-red-contrib-ui-multistate-switch-v1-0-0/41047)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 56\
**Last updated:** [24 February 2021 14:29 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-multistate-switch-v1-0-0/41047 "2021-02-24T14:29:14Z")

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Hi folks, Based on another discussion, I created the node-red-contrib-ui-multistate-switch UI node: Thanks to our CSS guru @hotNipi for all styling tips!! Known issues: Too much space between the widgets. Need t…

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