# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=447

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

**Page:** 448

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## [Connecting to LIRC server via lan](https://discourse.nodered.org/t/connecting-to-lirc-server-via-lan/55782)

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**Author:** [@Atilas1](https://discourse.nodered.org/u/Atilas1)\
**Replies:** 0\
**Last updated:** [28 December 2021 11:59 UTC](https://discourse.nodered.org/t/connecting-to-lirc-server-via-lan/55782 "2021-12-28T11:59:22Z")

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Hello, My current setup is Raspberry PI running lirc, which listens on or 9000. My Node-red runs on different machine. I have installed node-red-contrib-lirc however it has no options to control to remote LIRC server f…

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## [Organizing flows / pass data between... how och why?](https://discourse.nodered.org/t/organizing-flows-pass-data-between-how-och-why/55772)

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**Author:** [@syma33](https://discourse.nodered.org/u/syma33)\
**Replies:** 0\
**Last updated:** [27 December 2021 22:32 UTC](https://discourse.nodered.org/t/organizing-flows-pass-data-between-how-och-why/55772 "2021-12-27T22:32:37Z")

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In my example.. i use tabs according to what protocol i get/send data from/to all my RLT433 under one tab, using Link in and out what i need between diffrent tabs... im just curius how you guys orginize your code/blocks…

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## [How to deny a tcp connection](https://discourse.nodered.org/t/how-to-deny-a-tcp-connection/55756)

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**Author:** [@alexander77](https://discourse.nodered.org/u/alexander77)\
**Replies:** 4\
**Last updated:** [27 December 2021 19:45 UTC](https://discourse.nodered.org/t/how-to-deny-a-tcp-connection/55756 "2021-12-27T19:45:42Z")

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I have written a small, specialized version of a "MQTT Server". The only thing it can is to distribute logic states and numbers to all connected systems. The UI lets you declare, which ip-addresses are allowed (and by t…

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## [Split string based on ;](https://discourse.nodered.org/t/split-string-based-on/55754)

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**Author:** [@PiMo131](https://discourse.nodered.org/u/PiMo131)\
**Replies:** 4\
**Last updated:** [27 December 2021 19:08 UTC](https://discourse.nodered.org/t/split-string-based-on/55754 "2021-12-27T19:08:21Z")

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Hi, I have a text file with location data when I use the 'file in' node i get strings with the format "A;B;C" A,B,C don't have a consistent length. How can i split the string and return the value to Msg.A Msg.B Ms…

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## [Timing question (avoiding race conditions)](https://discourse.nodered.org/t/timing-question-avoiding-race-conditions/55616)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 5\
**Last updated:** [27 December 2021 18:49 UTC](https://discourse.nodered.org/t/timing-question-avoiding-race-conditions/55616 "2021-12-27T18:49:05Z")

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In a recent discussion, I proposed a flow that required sending two messages in rapid succession, the first to initialize the flow and the second to set the state of certain nodes. The obvious way is to use a function no…

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## [Error: connect ECONNREFUSED while connecting with MSSQL](https://discourse.nodered.org/t/error-connect-econnrefused-while-connecting-with-mssql/55755)

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**Author:** [@isabel](https://discourse.nodered.org/u/isabel)\
**Replies:** 0\
**Last updated:** [27 December 2021 15:53 UTC](https://discourse.nodered.org/t/error-connect-econnrefused-while-connecting-with-mssql/55755 "2021-12-27T15:53:14Z")

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Hi, I am new in Code-Red, and Iam traying to write in my db in MSSQL , in windows. Can you help me!!

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## [Google Home inputs for Thermostat](https://discourse.nodered.org/t/google-home-inputs-for-thermostat/55733)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 4\
**Last updated:** [27 December 2021 13:43 UTC](https://discourse.nodered.org/t/google-home-inputs-for-thermostat/55733 "2021-12-27T13:43:51Z")

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I have 2 thermostats that are controllable via a Hubitat Elevation. I have a bunch of logic in Node-Red that drives what I want to occur. I have been able to build a NR dashboard that allows me to manually input my desir…

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## [After Node-Red update : Flows stopped due to missing node types. \* mqtt-config](https://discourse.nodered.org/t/after-node-red-update-flows-stopped-due-to-missing-node-types-mqtt-config/55748)

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**Author:** [@Tinchen9b](https://discourse.nodered.org/u/Tinchen9b)\
**Replies:** 3\
**Last updated:** [27 December 2021 12:16 UTC](https://discourse.nodered.org/t/after-node-red-update-flows-stopped-due-to-missing-node-types-mqtt-config/55748 "2021-12-27T12:16:38Z")

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Hello, I have run today an update on Node-Red and also zigbee2mqtt nodes and since then I am getting following error: Flows stopped due to missing node types. mqtt-config I have tried to run the update the second ti…

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## [Flows on server have been updated](https://discourse.nodered.org/t/flows-on-server-have-been-updated/55739)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 9\
**Last updated:** [27 December 2021 11:38 UTC](https://discourse.nodered.org/t/flows-on-server-have-been-updated/55739 "2021-12-27T11:38:48Z")

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I keep getting this message when i am editing flows. however, i am confident there are no other editor sessions open anywhere, i keep re-starting the node-red service to get this message cleared. I sometimes get this sa…

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## [Missing node error on deploy... But it's still in palette manager...(?)](https://discourse.nodered.org/t/missing-node-error-on-deploy-but-its-still-in-palette-manager/55745)

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**Author:** [@Jay1234](https://discourse.nodered.org/u/Jay1234)\
**Replies:** 2\
**Last updated:** [27 December 2021 11:31 UTC](https://discourse.nodered.org/t/missing-node-error-on-deploy-but-its-still-in-palette-manager/55745 "2021-12-27T11:31:13Z")

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I've been experimenting with the Aedes MQTT broker, but have run into an issue where i receive a yellow warning message after deploying changes that reads "Flows stopped due to missing node times: aedes broker" I have a…

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## [Upload file over https without login](https://discourse.nodered.org/t/upload-file-over-https-without-login/55569)

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**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 4\
**Last updated:** [27 December 2021 08:40 UTC](https://discourse.nodered.org/t/upload-file-over-https-without-login/55569 "2021-12-27T08:40:26Z")

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Hi, I'm struggling with this issue: I have node red behind nginix remotely reachable via https, and secured with username and password. I've created an endpoint using http in and http response nodes as simple as it can…

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## [How long did my trip/drive take?](https://discourse.nodered.org/t/how-long-did-my-trip-drive-take/55743)

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**Author:** [@angus123321](https://discourse.nodered.org/u/angus123321)\
**Replies:** 0\
**Last updated:** [27 December 2021 09:37 UTC](https://discourse.nodered.org/t/how-long-did-my-trip-drive-take/55743 "2021-12-27T09:37:11Z")

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i would like to use the zone node from home-assistant-websocket v2.1.4 i want to know the travel time between my zone(cottage) to my zone(home). i would like do a few things with that date. a) how long it took? outpu…

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## [RBE node replaced by the Filter node](https://discourse.nodered.org/t/rbe-node-replaced-by-the-filter-node/55742)

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**Author:** [@krambriw](https://discourse.nodered.org/u/krambriw)\
**Replies:** 3\
**Last updated:** [27 December 2021 09:14 UTC](https://discourse.nodered.org/t/rbe-node-replaced-by-the-filter-node/55742 "2021-12-27T09:14:43Z")

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Hi, I just stumbled over the fact that the RBE node has been replaced by the filter node in 2.1.x versions. Now the thing is, I have a number of existing flows where I use the "good old RBE node" in many places. Should …

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## [What are pros and cons of using Node 14 or 16 over 12?](https://discourse.nodered.org/t/what-are-pros-and-cons-of-using-node-14-or-16-over-12/55725)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [26 December 2021 16:56 UTC](https://discourse.nodered.org/t/what-are-pros-and-cons-of-using-node-14-or-16-over-12/55725 "2021-12-26T16:56:36Z")

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Since the NR install script tends to accept the installed version of node, if it is an acceptable version, I am looking for some discussion on why using Node 14 or 16 over, in my case, have Node 12 already present. Is t…

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## [Access local files mounted from SMB Share](https://discourse.nodered.org/t/access-local-files-mounted-from-smb-share/55683)

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**Author:** [@MarkusKer](https://discourse.nodered.org/u/MarkusKer)\
**Replies:** 2\
**Last updated:** [26 December 2021 15:43 UTC](https://discourse.nodered.org/t/access-local-files-mounted-from-smb-share/55683 "2021-12-26T15:43:28Z")

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Hello, I am trying to play audio files to my media player entity in homeassistant from my smb share. Unfortunately, I cannot access the files without credentials. I was able to map the NAS Folder into the homeassistant …

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## [How use flow variable?](https://discourse.nodered.org/t/how-use-flow-variable/55686)

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**Author:** [@diyIoT](https://discourse.nodered.org/u/diyIoT)\
**Replies:** 11\
**Last updated:** [26 December 2021 15:35 UTC](https://discourse.nodered.org/t/how-use-flow-variable/55686 "2021-12-26T15:35:15Z")

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I get the id of a Tunein station that I memorize { if(data\[i\]\["data-nextguideitem"\] != null && data\[i\]\["data-testid"\] === "guideItem-0") { msg.payload = data\[i\]\["data-nextguideitem"\]; …

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## [How to read data from different databases on TIA Portal using the Modbus Read node on Node Red](https://discourse.nodered.org/t/how-to-read-data-from-different-databases-on-tia-portal-using-the-modbus-read-node-on-node-red/55721)

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**Author:** [@diyabijoy](https://discourse.nodered.org/u/diyabijoy)\
**Replies:** 0\
**Last updated:** [26 December 2021 13:19 UTC](https://discourse.nodered.org/t/how-to-read-data-from-different-databases-on-tia-portal-using-the-modbus-read-node-on-node-red/55721 "2021-12-26T13:19:56Z")

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Hello there, I am new to Node Red and I am trying to read a set of values from two databases in TIA Portal V16, using the Modbus Read node. I am able to read the values only from the first database. The Modbus Read node…

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## [Error. Can be deleted](https://discourse.nodered.org/t/error-can-be-deleted/55706)

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**Author:** [@janedoe123](https://discourse.nodered.org/u/janedoe123)\
**Replies:** 1\
**Last updated:** [26 December 2021 08:08 UTC](https://discourse.nodered.org/t/error-can-be-deleted/55706 "2021-12-26T08:08:28Z")

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Error. Can be deleted as its irrelevant.

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## [Node Red crash on start \>10.1.1](https://discourse.nodered.org/t/node-red-crash-on-start-10-1-1/55715)

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**Author:** [@tstill88](https://discourse.nodered.org/u/tstill88)\
**Replies:** 1\
**Last updated:** [26 December 2021 10:28 UTC](https://discourse.nodered.org/t/node-red-crash-on-start-10-1-1/55715 "2021-12-26T10:28:09Z")

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Im running Node Red in Home Assistant. Currently running version 10.1.1 When i upgrade (currently to 20.2.2) Node Red is looping and the webserver never starts. It looks like its related to a Hue node but im not sure h…

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## [Installation error node-red-node-arduino](https://discourse.nodered.org/t/installation-error-node-red-node-arduino/7892)

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**Author:** [@isaacdanilo](https://discourse.nodered.org/u/isaacdanilo)\
**Replies:** 21\
**Last updated:** [26 December 2021 08:55 UTC](https://discourse.nodered.org/t/installation-error-node-red-node-arduino/7892 "2021-12-26T08:55:51Z")

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Greetings, folks. I am facing a problem when installing the "node-red-node-arduino" in the "manege palette" of Node-Red. Whenever I try to install through the graphical interface it throws the following error: "Failed …

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## [Unable to Install Node\_RED Missing node.js, and NPM stops installation Buster 10](https://discourse.nodered.org/t/unable-to-install-node-red-missing-node-js-and-npm-stops-installation-buster-10/54646)

<div class="topic-metadata">

**Author:** [@Loonhaunt](https://discourse.nodered.org/u/Loonhaunt)\
**Replies:** 23\
**Last updated:** [25 December 2021 22:36 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-missing-node-js-and-npm-stops-installation-buster-10/54646 "2021-12-25T22:36:29Z")

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Hello, I am installing Node-RED on my third Rpi 3 and ran into the following. I am pasting the CLI output as well and a portion of the error logs. The error log indicates some 404 errors is the site experiencing some…

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## [Node-RED node for InfluxDB control - i need a button on NodeRED Dashboard to perform database content delete](https://discourse.nodered.org/t/node-red-node-for-influxdb-control-i-need-a-button-on-nodered-dashboard-to-perform-database-content-delete/55449)

<div class="topic-metadata">

**Author:** [@bogi](https://discourse.nodered.org/u/bogi)\
**Replies:** 11\
**Last updated:** [25 December 2021 15:32 UTC](https://discourse.nodered.org/t/node-red-node-for-influxdb-control-i-need-a-button-on-nodered-dashboard-to-perform-database-content-delete/55449 "2021-12-25T15:32:44Z")

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Hi Folks! i know by this thread: That retention policy feature in InfluxDB itself can control data retention. However my need is specific - i need ability to clean the data base by \\one click\\ action from either Node-…

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## [Node-RED Raspi refuses connection when i try to connect with my PC browser](https://discourse.nodered.org/t/node-red-raspi-refuses-connection-when-i-try-to-connect-with-my-pc-browser/55679)

<div class="topic-metadata">

**Author:** [@LouisV](https://discourse.nodered.org/u/LouisV)\
**Replies:** 2\
**Last updated:** [25 December 2021 15:28 UTC](https://discourse.nodered.org/t/node-red-raspi-refuses-connection-when-i-try-to-connect-with-my-pc-browser/55679 "2021-12-25T15:28:33Z")

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I just installed and started Node-RED on my raspberry pi for the first time and (and least to me) it doesn't look like there's any major issues with running. pi@raspiLV:~ $ node-red-start Start Node-RED Once Node-RED …

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## [Hi Noob here trying to understand node RED and SSH Client Output](https://discourse.nodered.org/t/hi-noob-here-trying-to-understand-node-red-and-ssh-client-output/55318)

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**Author:** [@Stian](https://discourse.nodered.org/u/Stian)\
**Replies:** 15\
**Last updated:** [25 December 2021 12:12 UTC](https://discourse.nodered.org/t/hi-noob-here-trying-to-understand-node-red-and-ssh-client-output/55318 "2021-12-25T12:12:44Z")

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I'm trying to do a SSH using SSHV2. and I got it working. It now outputs msg: Object in an array\[1\]. Now how do I use this? I guess a Function Witch I know nothing about. and looking for your visdom here:) This is what …

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## [How to add custom input type in subflow enviornment variables?](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680)

<div class="topic-metadata">

**Author:** [@akashtalole](https://discourse.nodered.org/u/akashtalole)\
**Replies:** 0\
**Last updated:** [25 December 2021 11:33 UTC](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680 "2021-12-25T11:33:27Z")

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I want to select list of elements from context store in dropdown list for subflow enviornment variables. How I can achive that? Is there any option to pass dropdown list at runtime?

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## [KEB Drive RS485 communication](https://discourse.nodered.org/t/keb-drive-rs485-communication/55647)

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**Author:** [@sam\_r](https://discourse.nodered.org/u/sam_r)\
**Replies:** 3\
**Last updated:** [25 December 2021 08:22 UTC](https://discourse.nodered.org/t/keb-drive-rs485-communication/55647 "2021-12-25T08:22:05Z")

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Hello Friends.. First I will like to apologies for creating new Topic on RS485 as there are already many topics exist,but i tried them and i can't find an my solution so.... I have a KEB VFD(drive) which have some param…

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## [Merry Christmas All](https://discourse.nodered.org/t/merry-christmas-all/55673)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 0\
**Last updated:** [25 December 2021 02:39 UTC](https://discourse.nodered.org/t/merry-christmas-all/55673 "2021-12-25T02:39:29Z")

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Hope you all have a Merry Christmas and Happy New Year!!

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## [Change the value of payload in a function node](https://discourse.nodered.org/t/change-the-value-of-payload-in-a-function-node/55662)

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**Author:** [@RichardU](https://discourse.nodered.org/u/RichardU)\
**Replies:** 2\
**Last updated:** [24 December 2021 22:07 UTC](https://discourse.nodered.org/t/change-the-value-of-payload-in-a-function-node/55662 "2021-12-24T22:07:57Z")

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For various reasons, I'm using a function node to change the payload. My incoming payload is a string. How do I incorporate that into the following function? msg.payload = { data: { "message":" incomin…

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## [I see this when NR is starting - just asking/mentioning](https://discourse.nodered.org/t/i-see-this-when-nr-is-starting-just-asking-mentioning/55666)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [24 December 2021 21:54 UTC](https://discourse.nodered.org/t/i-see-this-when-nr-is-starting-just-asking-mentioning/55666 "2021-12-24T21:54:51Z")

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Just noticed this as I am repeatedly stopping/starting NR. TypeError: Cannot read property 'config' of null at addWidget (/home/pi/.node-red/node\_modules/node-red-dashboard/index.js:73:39) at Object.addWidget (/…

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## [My ongoing confusion after updating to Buster and CPU load](https://discourse.nodered.org/t/my-ongoing-confusion-after-updating-to-buster-and-cpu-load/55642)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 13\
**Last updated:** [24 December 2021 21:20 UTC](https://discourse.nodered.org/t/my-ongoing-confusion-after-updating-to-buster-and-cpu-load/55642 "2021-12-24T21:20:26Z")

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Yeah, ok, I know this isn't a RasPi forum. But Node-Red is implicit. RasPiZ(W). Anyway, getting to the problem: This is what I see with htop Those lines with --max\_old\_space\_size....... So looking about what th…

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