# Latest

**URL:** https://discourse.nodered.org/latest.md?page=724

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

**Page:** 725

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## [Insert Into MySQL table](https://discourse.nodered.org/t/insert-into-mysql-table/51698)

<div class="topic-metadata">

**Author:** [@JayDLL](https://discourse.nodered.org/u/JayDLL)\
**Replies:** 4\
**Last updated:** [30 September 2021 09:42 UTC](https://discourse.nodered.org/t/insert-into-mysql-table/51698 "2021-09-30T09:42:36Z")

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Hello everyone, Sorry to have to ask, but I am new to node-red and I am pulling my hair out with this one! I know it's not hard to do this, still, I just can't get it to work. I have a really simple flow, the image is…

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## [Connect Misubishi PLC Q03UDVCPU with mcprotocol node](https://discourse.nodered.org/t/connect-misubishi-plc-q03udvcpu-with-mcprotocol-node/51608)

<div class="topic-metadata">

**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 6\
**Last updated:** [30 September 2021 08:38 UTC](https://discourse.nodered.org/t/connect-misubishi-plc-q03udvcpu-with-mcprotocol-node/51608 "2021-09-30T08:38:03Z")

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Hello, need help connecting Mitsubishi PLC using mcprotocol. PLC's model no. is Q03UDVCPU. can anyone help me configuring the node?

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## [Node that will repeat the action just in case](https://discourse.nodered.org/t/node-that-will-repeat-the-action-just-in-case/51696)

<div class="topic-metadata">

**Author:** [@FormBurden](https://discourse.nodered.org/u/FormBurden)\
**Replies:** 3\
**Last updated:** [30 September 2021 08:34 UTC](https://discourse.nodered.org/t/node-that-will-repeat-the-action-just-in-case/51696 "2021-09-30T08:34:59Z")

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Hey all, New to this whole Node-Red thing, really awesome stuff. I'm looking for some kind of node that can repeat the action that just went off. I'm running into issues with my lights that are behind walls and the Bri…

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## [Add inline SVG in the dashboard](https://discourse.nodered.org/t/add-inline-svg-in-the-dashboard/51622)

<div class="topic-metadata">

**Author:** [@Giu-seppe](https://discourse.nodered.org/u/Giu-seppe)\
**Replies:** 7\
**Last updated:** [30 September 2021 07:26 UTC](https://discourse.nodered.org/t/add-inline-svg-in-the-dashboard/51622 "2021-09-30T07:26:10Z")

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Hi there, I searched among the icons present in node red but I did not find any that suited me. So I looked through the icons in https://materialdesignicons.com/ and I found some that look perfect, the problem is that …

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## [How to Catch "msg : error"?](https://discourse.nodered.org/t/how-to-catch-msg-error/51657)

<div class="topic-metadata">

**Author:** [@Lueftermann](https://discourse.nodered.org/u/Lueftermann)\
**Replies:** 4\
**Last updated:** [30 September 2021 06:26 UTC](https://discourse.nodered.org/t/how-to-catch-msg-error/51657 "2021-09-30T06:26:45Z")

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Hello, I have establish communication between my PLC (Eaton E4) and an OPCUA Server. I think everything works fine. But in case of losing conncection to my PLC my console gives me "msg : error", I tried to catch it with…

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## [What do people use for "long term trending and visualisation"?](https://discourse.nodered.org/t/what-do-people-use-for-long-term-trending-and-visualisation/51537)

<div class="topic-metadata">

**Author:** [@steirx](https://discourse.nodered.org/u/steirx)\
**Replies:** 18\
**Last updated:** [30 September 2021 05:09 UTC](https://discourse.nodered.org/t/what-do-people-use-for-long-term-trending-and-visualisation/51537 "2021-09-30T05:09:46Z")

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hi all, I had been contemplating a couple of times, how other users address the issue of "visualising long term trends.". I kind of have even difficulty to properly describe what I am looking for as trending, logging an…

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## [Help how to work with \`string\` node](https://discourse.nodered.org/t/help-how-to-work-with-string-node/51691)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [30 September 2021 02:58 UTC](https://discourse.nodered.org/t/help-how-to-work-with-string-node/51691 "2021-09-30T02:58:48Z")

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Problem: Incoming message: rgb,x,r,g,b limits: x 0 - 7 r,g,b 0 - 255 This is the base flow: \[{"id":"33f88dd62e9a1854","type":"string","z":"65c9b63cb09879a0","name":"","methods":\[{"name":"delLeftMost","params":\[{"t…

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## [Creating nodes (sensors) dynamically?](https://discourse.nodered.org/t/creating-nodes-sensors-dynamically/51673)

<div class="topic-metadata">

**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 5\
**Last updated:** [30 September 2021 00:48 UTC](https://discourse.nodered.org/t/creating-nodes-sensors-dynamically/51673 "2021-09-30T00:48:42Z")

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Hi all, I am trying to build a basic monitoring for my Proxmox Host with Node-Red. I am able to access the API from Proxmox and get a list of all available containers and their information... These information will be…

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## [Using variables in an array](https://discourse.nodered.org/t/using-variables-in-an-array/51692)

<div class="topic-metadata">

**Author:** [@tfuchs1987](https://discourse.nodered.org/u/tfuchs1987)\
**Replies:** 2\
**Last updated:** [30 September 2021 00:35 UTC](https://discourse.nodered.org/t/using-variables-in-an-array/51692 "2021-09-30T00:35:36Z")

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In my function-Node I have to construct the following msg.payload. I am able to use a variable for the id as well for the value of "Fieldname" but I can't figure out how or if I am able to use a variable to describe the …

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## [Uibulder version V2.03](https://discourse.nodered.org/t/uibulder-version-v2-03/51685)

<div class="topic-metadata">

**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 5\
**Last updated:** [29 September 2021 22:53 UTC](https://discourse.nodered.org/t/uibulder-version-v2-03/51685 "2021-09-29T22:53:55Z")

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i am trying to find where i put variables in index .js in previous versions it was put in: const app = new vue({ el: '#app, data() {return : usertemp: 0 , }}, // --- end of data --- // but unable to find this sec…

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## [See node-red commands in console](https://discourse.nodered.org/t/see-node-red-commands-in-console/51643)

<div class="topic-metadata">

**Author:** [@Jacob](https://discourse.nodered.org/u/Jacob)\
**Replies:** 7\
**Last updated:** [29 September 2021 20:27 UTC](https://discourse.nodered.org/t/see-node-red-commands-in-console/51643 "2021-09-29T20:27:42Z")

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Hi, I guess I have a very stupid question but I am node- red user since a months only so pls excuse this. I used node red over a virtual machine running on Digitalocean. I am modifying a flow and need to adjust many nod…

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## [Just First message delay only](https://discourse.nodered.org/t/just-first-message-delay-only/51677)

<div class="topic-metadata">

**Author:** [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\
**Replies:** 5\
**Last updated:** [29 September 2021 20:12 UTC](https://discourse.nodered.org/t/just-first-message-delay-only/51677 "2021-09-29T20:12:24Z")

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Hi, I just want to delay the first message for a certain amount of time. How can I do it? Subsequent messages should arrive without delay. Thanks for your help.

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## [Issue with Persistent Context when using q-gate](https://discourse.nodered.org/t/issue-with-persistent-context-when-using-q-gate/50886)

<div class="topic-metadata">

**Author:** [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Replies:** 19\
**Last updated:** [29 September 2021 19:17 UTC](https://discourse.nodered.org/t/issue-with-persistent-context-when-using-q-gate/50886 "2021-09-29T19:17:59Z")

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Hi @zenofmud. I'm little confused over cache. If I set it to false. wouldn't it should store my values instantaneously? Case: 1 but here is my error on this code. and it is not storing. \[{"id":"2ad176d6.2631aa","type"…

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## [Convert string of values to key/value object](https://discourse.nodered.org/t/convert-string-of-values-to-key-value-object/51676)

<div class="topic-metadata">

**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 3\
**Last updated:** [29 September 2021 17:09 UTC](https://discourse.nodered.org/t/convert-string-of-values-to-key-value-object/51676 "2021-09-29T17:09:29Z")

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Hi, I am reading the SMART values from a Harddrive and getting the following payload back: { "health":"PASSED", "type":"text", "wearout":90, "text":"\\n SMART/Health Information (NVMe Log 0x02) \\n Criti…

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## [Dashbord ui html source](https://discourse.nodered.org/t/dashbord-ui-html-source/51520)

<div class="topic-metadata">

**Author:** [@jerome](https://discourse.nodered.org/u/jerome)\
**Replies:** 2\
**Last updated:** [29 September 2021 16:05 UTC](https://discourse.nodered.org/t/dashbord-ui-html-source/51520 "2021-09-29T16:05:12Z")

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is there an .html file which represents the dashboard in this case i am under ubuntu?

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## [Memory area in the node-red](https://discourse.nodered.org/t/memory-area-in-the-node-red/51675)

<div class="topic-metadata">

**Author:** [@jlqautomacao](https://discourse.nodered.org/u/jlqautomacao)\
**Replies:** 3\
**Last updated:** [29 September 2021 15:28 UTC](https://discourse.nodered.org/t/memory-area-in-the-node-red/51675 "2021-09-29T15:28:32Z")

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Hi, I'm trying to create a memory area on node-red but I'm not succeeding. this would be to store read information of the modules being read by node-red. is there a pallet for this application? This would be the mod…

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## [Flow Enable/Disable Via Dashboard Control](https://discourse.nodered.org/t/flow-enable-disable-via-dashboard-control/51670)

<div class="topic-metadata">

**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 5\
**Last updated:** [29 September 2021 15:19 UTC](https://discourse.nodered.org/t/flow-enable-disable-via-dashboard-control/51670 "2021-09-29T15:19:46Z")

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Good day O' Learned Ones!! I have a situation where I need to switch a mode of control and data sampling between 2 methods under "emergency" situations.... I have 2 flows - Currently I enable one, disable the other, th…

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## [Node-RED watch node, files edited / created at the same time](https://discourse.nodered.org/t/node-red-watch-node-files-edited-created-at-the-same-time/51666)

<div class="topic-metadata">

**Author:** [@hbedev](https://discourse.nodered.org/u/hbedev)\
**Replies:** 4\
**Last updated:** [29 September 2021 14:45 UTC](https://discourse.nodered.org/t/node-red-watch-node-files-edited-created-at-the-same-time/51666 "2021-09-29T14:45:43Z")

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Hi, i'm using the watch node provided by Node-RED. Does this node support multiple events at the same time? I need to "watch" a folder where 2 files are always updated at the same time. But i am always notified of t…

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## [Worldmap - ui\_worldmap missing](https://discourse.nodered.org/t/worldmap-ui-worldmap-missing/51651)

<div class="topic-metadata">

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 4\
**Last updated:** [29 September 2021 13:28 UTC](https://discourse.nodered.org/t/worldmap-ui-worldmap-missing/51651 "2021-09-29T13:28:21Z")

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Hi, Yesterday I did a new install of Dashboard and World map. It did not load the ui\_worldmap.

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## [Error while installing node-red-contrib-modbus](https://discourse.nodered.org/t/error-while-installing-node-red-contrib-modbus/51660)

<div class="topic-metadata">

**Author:** [@KevJ](https://discourse.nodered.org/u/KevJ)\
**Replies:** 7\
**Last updated:** [29 September 2021 13:07 UTC](https://discourse.nodered.org/t/error-while-installing-node-red-contrib-modbus/51660 "2021-09-29T13:07:23Z")

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Hi, it´s my first post here. I got the Node-RED version: v10.15.3 and the Node.js version: v0.20l.7. I tried to install the node-red-contrib-modbus node, but i got a bunch of erorrs after starting the installation in no…

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## [Read data to buffer and write it to mysql](https://discourse.nodered.org/t/read-data-to-buffer-and-write-it-to-mysql/51667)

<div class="topic-metadata">

**Author:** [@ELParreira](https://discourse.nodered.org/u/ELParreira)\
**Replies:** 2\
**Last updated:** [29 September 2021 12:52 UTC](https://discourse.nodered.org/t/read-data-to-buffer-and-write-it-to-mysql/51667 "2021-09-29T12:52:21Z")

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Hello, I'm new to node red and I want to develop a project that consists os reading data from modbus devices (already done), and buffer the data (to csv file or buffer), after I want to save the same data do mysql(also …

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## [Stop Node-Red randomly](https://discourse.nodered.org/t/stop-node-red-randomly/51656)

<div class="topic-metadata">

**Author:** [@SoftwareIndustrial](https://discourse.nodered.org/u/SoftwareIndustrial)\
**Replies:** 4\
**Last updated:** [29 September 2021 12:28 UTC](https://discourse.nodered.org/t/stop-node-red-randomly/51656 "2021-09-29T12:28:34Z")

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Hi, I have a NodeRed installation: Node-RED version: V1.3.5 Node.js: V16.9.1 running on: Microsoft Windows Server 2012 (64-bit) autostarted from Task Scheduler and suddenly it stops without any cause. The log says: …

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## [Netbeast router URL is missing or device cannot be found](https://discourse.nodered.org/t/netbeast-router-url-is-missing-or-device-cannot-be-found/412)

<div class="topic-metadata">

**Author:** [@variyaSandip](https://discourse.nodered.org/u/variyaSandip)\
**Replies:** 11\
**Last updated:** [29 September 2021 11:22 UTC](https://discourse.nodered.org/t/netbeast-router-url-is-missing-or-device-cannot-be-found/412 "2021-09-29T11:22:53Z")

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Hi, I cannot make it work, once I install npm install -g --unsafe-perm node-red then Install npm install node-red-dashboard and then install node-red I uploaded bellow screenShot \[node-red\] Any hint please? thanks

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## [Node-red-contrib-proxmox - need a starting point](https://discourse.nodered.org/t/node-red-contrib-proxmox-need-a-starting-point/51592)

<div class="topic-metadata">

**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 3\
**Last updated:** [29 September 2021 10:36 UTC](https://discourse.nodered.org/t/node-red-contrib-proxmox-need-a-starting-point/51592 "2021-09-29T10:36:06Z")

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Hi all, is anyone here using the node-red-contrib-proxmox to collect API information from a Server running Proxmox? I am trying to setup some kind of montioring (getting basic information such as Disk usage, uptime, et…

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## [Mqtt-Nodered-Pgadmin](https://discourse.nodered.org/t/mqtt-nodered-pgadmin/51648)

<div class="topic-metadata">

**Author:** [@vishnupriya](https://discourse.nodered.org/u/vishnupriya)\
**Replies:** 3\
**Last updated:** [29 September 2021 10:33 UTC](https://discourse.nodered.org/t/mqtt-nodered-pgadmin/51648 "2021-09-29T10:33:41Z")

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Hi, I'm new to Node-red and I'm in urgent need for a help. I'm trying to insert dynamic data coming from mqtt sensor in to a table in my pgadmin. But I'm facing some issues with inserting data, because its showing ("In…

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## [Simple way to check a file size ? (watch file?)](https://discourse.nodered.org/t/simple-way-to-check-a-file-size-watch-file/51631)

<div class="topic-metadata">

**Author:** [@waquete](https://discourse.nodered.org/u/waquete)\
**Replies:** 5\
**Last updated:** [29 September 2021 10:01 UTC](https://discourse.nodered.org/t/simple-way-to-check-a-file-size-watch-file/51631 "2021-09-29T10:01:46Z")

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Hi ! I download a snap shot of a camera that sometime does not succeed This can be easily checked from filesize (ie: filesize very small = wrong file) and I wanted to use this to filter wrong files for further processi…

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## [Get msg.payload value in exec node](https://discourse.nodered.org/t/get-msg-payload-value-in-exec-node/51612)

<div class="topic-metadata">

**Author:** [@Nisha](https://discourse.nodered.org/u/Nisha)\
**Replies:** 11\
**Last updated:** [29 September 2021 09:55 UTC](https://discourse.nodered.org/t/get-msg-payload-value-in-exec-node/51612 "2021-09-29T09:55:04Z")

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I wanted to get the output from http post method which is in msg.payload form to the exec node. How can get it?

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## [How can I set the error indicator (little red triangle) of a node in the editor?](https://discourse.nodered.org/t/how-can-i-set-the-error-indicator-little-red-triangle-of-a-node-in-the-editor/51481)

<div class="topic-metadata">

**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 24\
**Last updated:** [29 September 2021 09:34 UTC](https://discourse.nodered.org/t/how-can-i-set-the-error-indicator-little-red-triangle-of-a-node-in-the-editor/51481 "2021-09-29T09:34:03Z")

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Is it possible to set the error indicator of a node from within an editor event handler (in order to indicate that a change in another node causes unwanted side effects in the marked one)?

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## [mySQL parse error after update](https://discourse.nodered.org/t/mysql-parse-error-after-update/51661)

<div class="topic-metadata">

**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 1\
**Last updated:** [29 September 2021 09:33 UTC](https://discourse.nodered.org/t/mysql-parse-error-after-update/51661 "2021-09-29T09:33:15Z")

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Hello all, I'm using the mySQL node to generate a DB log for our mobile robots. I used prepared queries with named parameters, and it was running fine before the last update. After the update, I get the following error…

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## [Twitter node starting before msg.payload is configured](https://discourse.nodered.org/t/twitter-node-starting-before-msg-payload-is-configured/51003)

<div class="topic-metadata">

**Author:** [@mbot](https://discourse.nodered.org/u/mbot)\
**Replies:** 1\
**Last updated:** [29 September 2021 09:13 UTC](https://discourse.nodered.org/t/twitter-node-starting-before-msg-payload-is-configured/51003 "2021-09-29T09:13:57Z")

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Hello, I am using the twitter node. Previously I "hardcoded" the accounts in the "for" field of the Twitter node. That worked. Now I want to read the accounts from a file, which I do in an function node before calling …

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