# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=511

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

**Page:** 512

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## [Mqtt-in node not connecting to broker](https://discourse.nodered.org/t/mqtt-in-node-not-connecting-to-broker/49375)

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**Author:** [@donblago](https://discourse.nodered.org/u/donblago)\
**Replies:** 11\
**Last updated:** [6 August 2021 13:27 UTC](https://discourse.nodered.org/t/mqtt-in-node-not-connecting-to-broker/49375 "2021-08-06T13:27:38Z")

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Hello, I am just starting with Node-red and got to the point of not able to connect to MQTT broker NODE\_RED\_VERSION :vv2.0.5 NODE\_VERSION :14.17.3 HW:PI4b Issue: MQTT node not connecting Issue: 5 Aug 09:40:35 - \[in…

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## [EnOcean - Switch actuator](https://discourse.nodered.org/t/enocean-switch-actuator/49163)

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**Author:** [@steinerma](https://discourse.nodered.org/u/steinerma)\
**Replies:** 9\
**Last updated:** [6 August 2021 12:38 UTC](https://discourse.nodered.org/t/enocean-switch-actuator/49163 "2021-08-06T12:38:48Z")

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Hello At the moment I can read signals from EnOcean sensors (pushbuttons). Is there also a possibility to switch actuators (e.g. blind actuator Eltako FSB61NP-230V) via Nodered and read the status back? If someone of yo…

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## [current-state day month of the year](https://discourse.nodered.org/t/current-state-day-month-of-the-year/49413)

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**Author:** [@brano1990](https://discourse.nodered.org/u/brano1990)\
**Replies:** 2\
**Last updated:** [6 August 2021 10:42 UTC](https://discourse.nodered.org/t/current-state-day-month-of-the-year/49413 "2021-08-06T10:42:20Z")

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hello is there any "current-state" that would start a specific day of the month in a year? something like node-red-contrib-trashschedule (node) - Node-RED trashschedule trashschedule he shows what will happen the next…

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## [Address 2x LCD 2004 via html](https://discourse.nodered.org/t/address-2x-lcd-2004-via-html/49416)

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**Author:** [@pinie\_pinie](https://discourse.nodered.org/u/pinie_pinie)\
**Replies:** 6\
**Last updated:** [6 August 2021 10:19 UTC](https://discourse.nodered.org/t/address-2x-lcd-2004-via-html/49416 "2021-08-06T10:19:12Z")

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Hello, I would like to address 2 LCD 2004 via html or the like with a payload. Reason: Currently, communication is running via the I2C interface. The I2C bus is massively disturbed by my built-in solenoid valves (irriga…

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## [Simple a way to check 6 input](https://discourse.nodered.org/t/simple-a-way-to-check-6-input/49415)

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**Author:** [@funhall](https://discourse.nodered.org/u/funhall)\
**Replies:** 9\
**Last updated:** [6 August 2021 10:27 UTC](https://discourse.nodered.org/t/simple-a-way-to-check-6-input/49415 "2021-08-06T10:27:01Z")

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I have 6 input to NR and I like to check if they all are "on" and the set the payload to "all on". Isn't there a simple node that can do this?

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## [Cant reinstall NR](https://discourse.nodered.org/t/cant-reinstall-nr/49369)

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**Author:** [@funhall](https://discourse.nodered.org/u/funhall)\
**Replies:** 3\
**Last updated:** [6 August 2021 09:36 UTC](https://discourse.nodered.org/t/cant-reinstall-nr/49369 "2021-08-06T09:36:37Z")

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My Node-red broke. Dont know the reason. I get the error in picture to the left. I try reinstal but Npm missing. Please help me

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## [Smart flow for controlling covers for sun protection](https://discourse.nodered.org/t/smart-flow-for-controlling-covers-for-sun-protection/49371)

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**Author:** [@martinst](https://discourse.nodered.org/u/martinst)\
**Replies:** 13\
**Last updated:** [6 August 2021 08:43 UTC](https://discourse.nodered.org/t/smart-flow-for-controlling-covers-for-sun-protection/49371 "2021-08-06T08:43:18Z")

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I have a philips hue outdoor sensor which I use to meassure the amount of lux. When it is above 40.000 lux for 5 minutes then the covers will close. When the lux value is below 40.000 lux for 25 minutes, the covers will…

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## [How do i deal with rabbit MQ connectivity?](https://discourse.nodered.org/t/how-do-i-deal-with-rabbit-mq-connectivity/49392)

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**Author:** [@eeeeuk](https://discourse.nodered.org/u/eeeeuk)\
**Replies:** 2\
**Last updated:** [6 August 2021 07:54 UTC](https://discourse.nodered.org/t/how-do-i-deal-with-rabbit-mq-connectivity/49392 "2021-08-06T07:54:59Z")

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Hi, I'm trying to connect to an application that publishes messages via rabbitMQ . Initially, I thought I'd hit lucky with a node-red-contrib-amqp but that seemed to screw up my installation. Is there a better option,…

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## [Flows file name not set, generating name using hostname](https://discourse.nodered.org/t/flows-file-name-not-set-generating-name-using-hostname/49296)

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**Author:** [@rajhi](https://discourse.nodered.org/u/rajhi)\
**Replies:** 21\
**Last updated:** [6 August 2021 02:00 UTC](https://discourse.nodered.org/t/flows-file-name-not-set-generating-name-using-hostname/49296 "2021-08-06T02:00:50Z")

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## [Upgrading to v2 and install sqlite inside docker image](https://discourse.nodered.org/t/upgrading-to-v2-and-install-sqlite-inside-docker-image/49222)

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**Author:** [@brunoamaral](https://discourse.nodered.org/u/brunoamaral)\
**Replies:** 3\
**Last updated:** [5 August 2021 22:49 UTC](https://discourse.nodered.org/t/upgrading-to-v2-and-install-sqlite-inside-docker-image/49222 "2021-08-05T22:49:43Z")

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I have a few flows that use sqlite running smoothly up to 1.3.6. Upgrading to v2 however stops the flows saying that there are node types missing: sqlitedb and sqlite. But they are already installed: My first guess …

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## [Node-RED SNMP Agent (not listener)](https://discourse.nodered.org/t/node-red-snmp-agent-not-listener/49389)

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**Author:** [@awneil](https://discourse.nodered.org/u/awneil)\
**Replies:** 2\
**Last updated:** [5 August 2021 22:19 UTC](https://discourse.nodered.org/t/node-red-snmp-agent-not-listener/49389 "2021-08-05T22:19:13Z")

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I see lots about Node-RED as an SNMP Manager (listening for Traps, querying MIBs, etc) but nothing as an SNMP Agent - ie, the thing which sends Traps, and has the MIB. This seems to be about the closest (from 2016): h…

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## [Send msg to onvif Media](https://discourse.nodered.org/t/send-msg-to-onvif-media/48416)

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**Author:** [@jamessantoya26](https://discourse.nodered.org/u/jamessantoya26)\
**Replies:** 11\
**Last updated:** [5 August 2021 19:46 UTC](https://discourse.nodered.org/t/send-msg-to-onvif-media/48416 "2021-08-05T19:46:34Z")

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Hi guys, I'm here again I have been trying to use an array of information to send it to the onvif-media node, but apparently, the node needs a default IP to be able to connect, someone knows somehow that I can send the …

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## [Can´t connect to Node Red as Client](https://discourse.nodered.org/t/can-t-connect-to-node-red-as-client/49386)

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**Author:** [@Baluba](https://discourse.nodered.org/u/Baluba)\
**Replies:** 17\
**Last updated:** [5 August 2021 19:40 UTC](https://discourse.nodered.org/t/can-t-connect-to-node-red-as-client/49386 "2021-08-05T19:40:23Z")

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Hello everyone, i created a little Raspberry Pi Node-Red Setup according to some videos and the basic steps from the webpage. Right now everything seems fine. I Installed Mosquttio and created the first mqtt in -\> msg.p…

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## [Problem after updating Telegram bot](https://discourse.nodered.org/t/problem-after-updating-telegram-bot/49338)

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**Author:** [@pinglix](https://discourse.nodered.org/u/pinglix)\
**Replies:** 2\
**Last updated:** [5 August 2021 19:05 UTC](https://discourse.nodered.org/t/problem-after-updating-telegram-bot/49338 "2021-08-05T19:05:31Z")

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Hello, I updated telegram bot to10.0.4 and now I am not able to send pictures anymore with the sender object. Before the update it was working by reading a file from absolute path with filein block in single buffer mod…

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## [Issues with oAuth2](https://discourse.nodered.org/t/issues-with-oauth2/49394)

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**Author:** [@nacartwright](https://discourse.nodered.org/u/nacartwright)\
**Replies:** 0\
**Last updated:** [5 August 2021 19:02 UTC](https://discourse.nodered.org/t/issues-with-oauth2/49394 "2021-08-05T19:02:01Z")

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Environment Container running on Google Cloud Run MongoDB Storage (node-red-mongo-storage-plugin) AdminAuth with passport-google-oauth20 I have two issues and I believe that they're related. \*\* Issue 1 \*\* When I log…

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## [Need help! Get information from payload to put in graphs and files. Excel or Database](https://discourse.nodered.org/t/need-help-get-information-from-payload-to-put-in-graphs-and-files-excel-or-database/49274)

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**Author:** [@kaykor](https://discourse.nodered.org/u/kaykor)\
**Replies:** 5\
**Last updated:** [5 August 2021 18:44 UTC](https://discourse.nodered.org/t/need-help-get-information-from-payload-to-put-in-graphs-and-files-excel-or-database/49274 "2021-08-05T18:44:18Z")

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I have been working on this for multiple years off and on. I have had other solutions that worked but nothing that satisficed my actual needs/wants. This project uses WEL Server which provides a service of download Excel…

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## [Arduino port number on RPI](https://discourse.nodered.org/t/arduino-port-number-on-rpi/49387)

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**Author:** [@mustafa](https://discourse.nodered.org/u/mustafa)\
**Replies:** 1\
**Last updated:** [5 August 2021 18:30 UTC](https://discourse.nodered.org/t/arduino-port-number-on-rpi/49387 "2021-08-05T18:30:20Z")

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Hi I have connected arduino uno to RPI3 but there is something strange which is the port number that appear on node red arduio node in or out is changed each time after switching power OFF/ON of RPI3 sometimes I find i…

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## [Can't drop node between two other nodes...reproducable](https://discourse.nodered.org/t/cant-drop-node-between-two-other-nodes-reproducable/8080)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 19\
**Last updated:** [5 August 2021 18:20 UTC](https://discourse.nodered.org/t/cant-drop-node-between-two-other-nodes-reproducable/8080 "2021-08-05T18:20:05Z")

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macOS 10.13.6 Node-red v0.19.5 node.js v10.15.1 got to settings and turn on Show grid and Snap to grid add an inject and debug node - separate them by a bit (so another node can fit between them) connect the two nod…

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## [Recommendations for air quality metrics](https://discourse.nodered.org/t/recommendations-for-air-quality-metrics/49156)

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**Author:** [@Matt.L](https://discourse.nodered.org/u/Matt.L)\
**Replies:** 7\
**Last updated:** [5 August 2021 18:00 UTC](https://discourse.nodered.org/t/recommendations-for-air-quality-metrics/49156 "2021-08-05T18:00:42Z")

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I want to view and log some air quality data with Node Red. I've struggled a bit with node-red-contrib-openaq (the documentation is lacking both in the examples, and on OpenAQ's site). But I stopped when I noticed the …

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## [Node-red-contrib-users](https://discourse.nodered.org/t/node-red-contrib-users/2703)

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**Author:** [@mannirivera72](https://discourse.nodered.org/u/mannirivera72)\
**Replies:** 1\
**Last updated:** [5 August 2021 15:11 UTC](https://discourse.nodered.org/t/node-red-contrib-users/2703 "2021-08-05T15:11:44Z")

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I tried to used this node as a solution to an issue I've been struggling with for a while. Which is adding user authentication to my http nodes. The problem with this node is that based on the description it should do ex…

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## [Msg.topic = "X" in a if/else function](https://discourse.nodered.org/t/msg-topic-x-in-a-if-else-function/49344)

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**Author:** [@finch6](https://discourse.nodered.org/u/finch6)\
**Replies:** 7\
**Last updated:** [5 August 2021 12:00 UTC](https://discourse.nodered.org/t/msg-topic-x-in-a-if-else-function/49344 "2021-08-05T12:00:26Z")

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Hi all, I'm having trouble with a flow I'm trying to create - I'm sure there is an easier way of doing this whole flow, if so, please let me know... I have a "collection" of a few pictures that I want to send to a tele…

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## [Variables from/to subflow](https://discourse.nodered.org/t/variables-from-to-subflow/49368)

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**Author:** [@funhall](https://discourse.nodered.org/u/funhall)\
**Replies:** 2\
**Last updated:** [5 August 2021 10:19 UTC](https://discourse.nodered.org/t/variables-from-to-subflow/49368 "2021-08-05T10:19:30Z")

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Hi out there. I have a subflow where i get flow. variables from the parent flow. Then I set a variable that I also use in the parent flow. Do I have to use the $parent. in the name there also, or is it ONLY when I get …

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## [Installation of Node-Red fails // RPi Desktop (buster)](https://discourse.nodered.org/t/installation-of-node-red-fails-rpi-desktop-buster/49263)

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**Author:** [@newman-juergen](https://discourse.nodered.org/u/newman-juergen)\
**Replies:** 15\
**Last updated:** [5 August 2021 06:00 UTC](https://discourse.nodered.org/t/installation-of-node-red-fails-rpi-desktop-buster/49263 "2021-08-05T06:00:01Z")

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Hello everyone, I'm currently trying to install node-red on a Raspbian 10 (buster) within a Virtual Box. I used the following instructions for this: Running on Raspberry Pi : Node-RED I get the error message: "Bad ins…

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## [Mindconnect Node](https://discourse.nodered.org/t/mindconnect-node/49324)

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**Author:** [@OmidTmr](https://discourse.nodered.org/u/OmidTmr)\
**Replies:** 3\
**Last updated:** [4 August 2021 22:56 UTC](https://discourse.nodered.org/t/mindconnect-node/49324 "2021-08-04T22:56:50Z")

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Hi all, I'm a beginner in Node-RED. I'm using MindConnect Node and am wondering how I can enable/disable this node and deploy it automatically rather than switching it manually? I need to develop such a program since I'…

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## [Error on launch of NR in browser console - Uncaught TypeError: Cannot read property 'paletteLabel' of undefined](https://discourse.nodered.org/t/error-on-launch-of-nr-in-browser-console-uncaught-typeerror-cannot-read-property-palettelabel-of-undefined/49280)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 2\
**Last updated:** [4 August 2021 22:25 UTC](https://discourse.nodered.org/t/error-on-launch-of-nr-in-browser-console-uncaught-typeerror-cannot-read-property-palettelabel-of-undefined/49280 "2021-08-04T22:25:52Z")

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Haven't seen reported but may be I just cant search ... 3 Aug 22:12:41 - \[info\] Node-RED version: v2.0.5 3 Aug 22:12:41 - \[info\] Node.js version: v14.15.3 3 Aug 22:12:41 - \[info\] Windows\_NT 10.0.19042 x64 LE Browser :…

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## [SocketIO connection and receiving the data from Nginx server (running in docker container) in Node-RED](https://discourse.nodered.org/t/socketio-connection-and-receiving-the-data-from-nginx-server-running-in-docker-container-in-node-red/49355)

<div class="topic-metadata">

**Author:** [@razaaliabid87](https://discourse.nodered.org/u/razaaliabid87)\
**Replies:** 0\
**Last updated:** [4 August 2021 21:29 UTC](https://discourse.nodered.org/t/socketio-connection-and-receiving-the-data-from-nginx-server-running-in-docker-container-in-node-red/49355 "2021-08-04T21:29:07Z")

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I am using Nginx on top of the Flask-SocketIO app on the server-side. I want to receive data from that server to my nodes in Node-RED using sockets. I am new at Node-RED so, I want suggestions on what should I use for th…

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## [SSL/TLS with built-in MySQL node?](https://discourse.nodered.org/t/ssl-tls-with-built-in-mysql-node/49343)

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**Author:** [@JDN](https://discourse.nodered.org/u/JDN)\
**Replies:** 2\
**Last updated:** [4 August 2021 20:19 UTC](https://discourse.nodered.org/t/ssl-tls-with-built-in-mysql-node/49343 "2021-08-04T20:19:18Z")

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Dear Community, just a short question, has anyone established secure (ssl) communication between node-red and a MySQL instance? I am really struggling to find a solution to establish SSL connection between MySQL (runni…

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## [Reduce log size (syslog)](https://discourse.nodered.org/t/reduce-log-size-syslog/49099)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 20\
**Last updated:** [4 August 2021 21:45 UTC](https://discourse.nodered.org/t/reduce-log-size-syslog/49099 "2021-08-04T21:45:21Z")

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Hi, thanks for your kind attention, the TCP node is logging too much in my case, I?ve a device that closes the connection after some times and it attempts to reconnect. I would limit the writes on SD card on Pi3 so I ha…

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## [Using a switch node with JSONata](https://discourse.nodered.org/t/using-a-switch-node-with-jsonata/4867)

<div class="topic-metadata">

**Author:** [@quistuipater](https://discourse.nodered.org/u/quistuipater)\
**Replies:** 23\
**Last updated:** [4 August 2021 20:59 UTC](https://discourse.nodered.org/t/using-a-switch-node-with-jsonata/4867 "2021-08-04T20:59:55Z")

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I'm using a switch and the input is msg.payload from a NetAtmo account. The payload object starts with: { "compact": { "outdoor": { "temperature": 18.4, "humidity": 23, "b…

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## [Seek the expression of 16crc check code](https://discourse.nodered.org/t/seek-the-expression-of-16crc-check-code/49340)

<div class="topic-metadata">

**Author:** [@SunvidWong](https://discourse.nodered.org/u/SunvidWong)\
**Replies:** 9\
**Last updated:** [4 August 2021 20:55 UTC](https://discourse.nodered.org/t/seek-the-expression-of-16crc-check-code/49340 "2021-08-04T20:55:08Z")

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Please help: I use the 16crc check code correctly, but the expression cannot be read by my device. My device needs to express the 4-digit check code separately. Is there any way to achieve it? Thank you I need 03 06 …

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