# Latest

**URL:** https://discourse.nodered.org/latest.md?page=723

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

**Page:** 724

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## [Read Registers From Modbus Not in Sequence](https://discourse.nodered.org/t/read-registers-from-modbus-not-in-sequence/51710)

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**Author:** [@ELParreira](https://discourse.nodered.org/u/ELParreira)\
**Replies:** 15\
**Last updated:** [2 October 2021 03:11 UTC](https://discourse.nodered.org/t/read-registers-from-modbus-not-in-sequence/51710 "2021-10-02T03:11:44Z")

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Hello, I want to read multiple registers from modbus that are not in a sequence, what would be the best way? Is there any modbus node that I can use to do it, or shoud I use two modbus flex read and then join. I was try…

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## [Unable to install latest dashboard update](https://discourse.nodered.org/t/unable-to-install-latest-dashboard-update/51345)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 27\
**Last updated:** [1 October 2021 22:54 UTC](https://discourse.nodered.org/t/unable-to-install-latest-dashboard-update/51345 "2021-10-01T22:54:32Z")

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Hello I tried to update the node red dashboard palette today as I noticed there was a new one released a few days ago. I got this error: 2021-09-21T14:13:23.442Z Install : node-red-dashboard 3.0.4 2021-09-21T14:13:22…

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## [Omron CJ2M CPU33 Connected! Cannot read data](https://discourse.nodered.org/t/omron-cj2m-cpu33-connected-cannot-read-data/51604)

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**Author:** [@DonCube](https://discourse.nodered.org/u/DonCube)\
**Replies:** 23\
**Last updated:** [1 October 2021 22:38 UTC](https://discourse.nodered.org/t/omron-cj2m-cpu33-connected-cannot-read-data/51604 "2021-10-01T22:38:41Z")

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when i run the flow, it is connected to the plc but when i try to read data, timeout occur. Anyone have encounter this issue? Your help is highly appreciated..

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## [Failed to install ncd-red-ads1115 in Node Red v2.0.6](https://discourse.nodered.org/t/failed-to-install-ncd-red-ads1115-in-node-red-v2-0-6/51674)

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**Author:** [@Chansen2108](https://discourse.nodered.org/u/Chansen2108)\
**Replies:** 6\
**Last updated:** [1 October 2021 20:45 UTC](https://discourse.nodered.org/t/failed-to-install-ncd-red-ads1115-in-node-red-v2-0-6/51674 "2021-10-01T20:45:14Z")

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Hello, Failed to install ncd-red-ads1115 in Node Red v2.0.6 Are running Node Red on two raspberry pi 4 one with Node Red version v2.0.5 and the other with v2.0.6 Only experience the problem with the v2.0.6 have tried …

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## [How to modify an existing flow?](https://discourse.nodered.org/t/how-to-modify-an-existing-flow/51548)

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**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 8\
**Last updated:** [1 October 2021 17:40 UTC](https://discourse.nodered.org/t/how-to-modify-an-existing-flow/51548 "2021-10-01T17:40:30Z")

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Hi all, I am using NodeRed within HomeAssistant... I am using a package "node-red-contrib-solaredge" which allows me to connect to the SolarEdge Monitoring API. This package / palette does include two commands: "Detai…

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## [Creating a message using fixed strings and strings typed in a text box](https://discourse.nodered.org/t/creating-a-message-using-fixed-strings-and-strings-typed-in-a-text-box/51761)

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**Author:** [@Quevedo](https://discourse.nodered.org/u/Quevedo)\
**Replies:** 0\
**Last updated:** [1 October 2021 16:43 UTC](https://discourse.nodered.org/t/creating-a-message-using-fixed-strings-and-strings-typed-in-a-text-box/51761 "2021-10-01T16:43:33Z")

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Hello, I am using the dashboard plugin to generate control messages to be sent to a remote system by MQTT. I will give the example of one of the control functions, as the others are similar in structure. If I want to s…

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## [Arduino Nano RP2040 failing to connect to Aedes MQTT Broker](https://discourse.nodered.org/t/arduino-nano-rp2040-failing-to-connect-to-aedes-mqtt-broker/51745)

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**Author:** [@jprez1998](https://discourse.nodered.org/u/jprez1998)\
**Replies:** 3\
**Last updated:** [1 October 2021 16:14 UTC](https://discourse.nodered.org/t/arduino-nano-rp2040-failing-to-connect-to-aedes-mqtt-broker/51745 "2021-10-01T16:14:15Z")

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Hi, I am new to node-red and IoT databases. I am in frustration as i cannot figure out why i cannot connect to an MQTT broker using my arduino nano rp2040. I can successfully connect on node-red using the aedes MQTT bro…

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## [How to send a Integer From PLC to Siemens Mindsphere](https://discourse.nodered.org/t/how-to-send-a-integer-from-plc-to-siemens-mindsphere/51143)

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**Author:** [@Ario669](https://discourse.nodered.org/u/Ario669)\
**Replies:** 1\
**Last updated:** [1 October 2021 14:23 UTC](https://discourse.nodered.org/t/how-to-send-a-integer-from-plc-to-siemens-mindsphere/51143 "2021-10-01T14:23:12Z")

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Hello everyone. I am student and total new to Node Red. Right now, I am working on a project at the university regarding to sending data from PLC to Siemens cloud servers (Mind Sphere) with the help of a Node Red. In our…

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## [HTTP POST Request on /flows - just get ´unexpected\_error´ / ´config.forEach is not a function´](https://discourse.nodered.org/t/http-post-request-on-flows-just-get-unexpected-error-config-foreach-is-not-a-function/51757)

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**Author:** [@bfxnapnxpv](https://discourse.nodered.org/u/bfxnapnxpv)\
**Replies:** 1\
**Last updated:** [1 October 2021 14:20 UTC](https://discourse.nodered.org/t/http-post-request-on-flows-just-get-unexpected-error-config-foreach-is-not-a-function/51757 "2021-10-01T14:20:48Z")

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Hi there, i need to do a POST request to http://HOSTNAME:1880/flows - to reach a click on the "Deploy" button via machine-to-machine communication... (to simulate the humam user clicks in browser) Somebody told me a PO…

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## [Where does Node-Red save it's definitions ("Nodes") - on what directory location is the .xml (or .json) file?](https://discourse.nodered.org/t/where-does-node-red-save-its-definitions-nodes-on-what-directory-location-is-the-xml-or-json-file/51467)

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**Author:** [@bfxnapnxpv](https://discourse.nodered.org/u/bfxnapnxpv)\
**Replies:** 6\
**Last updated:** [1 October 2021 14:09 UTC](https://discourse.nodered.org/t/where-does-node-red-save-its-definitions-nodes-on-what-directory-location-is-the-xml-or-json-file/51467 "2021-10-01T14:09:08Z")

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Hi there I can see where it is on Linux (Raspbian), but i can't find it on Windows 10 Pro x64... Somewhere on ´C:\\Users\\USER\_NAME\\AppData\\Roaming\\npm\\node\_modules\\node-red´ ? Maybe somebody can help me? Thank you ver…

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## [\[bug\] - ui-button with 'emulate a button click:' checked, does not pass a msg it msg.payload does not exist](https://discourse.nodered.org/t/bug-ui-button-with-emulate-a-button-click-checked-does-not-pass-a-msg-it-msg-payload-does-not-exist/51753)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 0\
**Last updated:** [1 October 2021 13:16 UTC](https://discourse.nodered.org/t/bug-ui-button-with-emulate-a-button-click-checked-does-not-pass-a-msg-it-msg-payload-does-not-exist/51753 "2021-10-01T13:16:30Z")

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Node-RED version: v2.0.6 Node.js version: v14.16.0 Darwin 20.6.0 x64 LE Dashboard version 3.0.4 if you have a ui-button with If msg arrives on input, emulate a button click: checked on, and msg's arrive without a msg.…

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## [Node-red use as a full stack backend?](https://discourse.nodered.org/t/node-red-use-as-a-full-stack-backend/50392)

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**Author:** [@Peter](https://discourse.nodered.org/u/Peter)\
**Replies:** 14\
**Last updated:** [1 October 2021 12:14 UTC](https://discourse.nodered.org/t/node-red-use-as-a-full-stack-backend/50392 "2021-10-01T12:14:32Z")

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Hi Guys, sorry for the stupid question but I need to make a decision on the backend stack for a mobile application, and I feel really tempted to use Node-red just because I absolutely love it and came to understand the …

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## [How to read file date information](https://discourse.nodered.org/t/how-to-read-file-date-information/51706)

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**Author:** [@yfhzs](https://discourse.nodered.org/u/yfhzs)\
**Replies:** 8\
**Last updated:** [1 October 2021 12:04 UTC](https://discourse.nodered.org/t/how-to-read-file-date-information/51706 "2021-10-01T12:04:47Z")

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Hi I am using node red to try to read the date information of the file and determine whether the file exceeds the storage period.everybody have a solution？ thank you

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## [Auto-upgrade of palette and its dependencies?](https://discourse.nodered.org/t/auto-upgrade-of-palette-and-its-dependencies/51663)

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**Author:** [@Ocramius](https://discourse.nodered.org/u/Ocramius)\
**Replies:** 2\
**Last updated:** [1 October 2021 10:48 UTC](https://discourse.nodered.org/t/auto-upgrade-of-palette-and-its-dependencies/51663 "2021-10-01T10:48:04Z")

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Background Heyo! Posting here to ask about a potential auto-upgrade use-case that seems to be overlooked. Specifically, multiple node types that talk to external services often break: protocols get deprecated/disconti…

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## [Create a node without restart node-red](https://discourse.nodered.org/t/create-a-node-without-restart-node-red/9649)

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**Author:** [@Jack](https://discourse.nodered.org/u/Jack)\
**Replies:** 19\
**Last updated:** [1 October 2021 08:28 UTC](https://discourse.nodered.org/t/create-a-node-without-restart-node-red/9649 "2021-10-01T08:28:17Z")

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when I created a node and put it input "/nodes",I must restart node-red to load it. so,Can we have any method to load a node without restart node-red?

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## [Node-red LAN network security, updating and DNS settings](https://discourse.nodered.org/t/node-red-lan-network-security-updating-and-dns-settings/51633)

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**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\
**Replies:** 12\
**Last updated:** [1 October 2021 07:52 UTC](https://discourse.nodered.org/t/node-red-lan-network-security-updating-and-dns-settings/51633 "2021-10-01T07:52:22Z")

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Hello all, After a year and a half of use I can say: well done to Node-RED devs and contributors, it is a wonderful piece of software. Thanks to it I have succeeded to fulfill my some-time-now dream to code after being …

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## ["Error: Timeout while connecting to server" When I try to do File transfer via FTP](https://discourse.nodered.org/t/error-timeout-while-connecting-to-server-when-i-try-to-do-file-transfer-via-ftp/51717)

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**Author:** [@KrishnanRavichandran](https://discourse.nodered.org/u/KrishnanRavichandran)\
**Replies:** 2\
**Last updated:** [1 October 2021 06:49 UTC](https://discourse.nodered.org/t/error-timeout-while-connecting-to-server-when-i-try-to-do-file-transfer-via-ftp/51717 "2021-10-01T06:49:02Z")

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Hello Node-RED enthusiasts, I am using Node-RED to obtain certain data from a remote server to my local server hosted on my PC via the FIle zilla. I am able to access the remote server on the hardware and check my file…

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## [Can HTTP Request nodes send GET requests to their own server?](https://discourse.nodered.org/t/can-http-request-nodes-send-get-requests-to-their-own-server/51723)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 2\
**Last updated:** [1 October 2021 02:35 UTC](https://discourse.nodered.org/t/can-http-request-nodes-send-get-requests-to-their-own-server/51723 "2021-10-01T02:35:23Z")

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Hello, I have a strange problem: I'm trying to send a GET request from within Node-RED to an HTTP entry point provided by Node-RED itself. Using Postman, that entry point successfully receives the request, but when tri…

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## [Infinity as a Number](https://discourse.nodered.org/t/infinity-as-a-number/51736)

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**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 3\
**Last updated:** [30 September 2021 23:38 UTC](https://discourse.nodered.org/t/infinity-as-a-number/51736 "2021-09-30T23:38:26Z")

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When using an "inject node" with msg.payload set to Number in the drop down menu, if the value is set to Infinity Node-RED will place a Triangle on that node and state that the property is invalid. Every time I try to de…

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## [S7 control how does it works?](https://discourse.nodered.org/t/s7-control-how-does-it-works/51333)

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**Author:** [@Giu-seppe](https://discourse.nodered.org/u/Giu-seppe)\
**Replies:** 1\
**Last updated:** [30 September 2021 21:48 UTC](https://discourse.nodered.org/t/s7-control-how-does-it-works/51333 "2021-09-30T21:48:15Z")

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Can some one give me an example of how works the node s7 control? I have read the documentation but I still don't understand how to use it, for a while it worked but now it doesn't work anymore. This is my use case …

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## [Node Red GUI Behind a VPN but allow inbound call in outside of VPN](https://discourse.nodered.org/t/node-red-gui-behind-a-vpn-but-allow-inbound-call-in-outside-of-vpn/51729)

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**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 2\
**Last updated:** [30 September 2021 19:39 UTC](https://discourse.nodered.org/t/node-red-gui-behind-a-vpn-but-allow-inbound-call-in-outside-of-vpn/51729 "2021-09-30T19:39:24Z")

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HI, Is there two separate ports node red runs on? one for inbound traffic and one for GUI? We have node red deployed in the cloud. We changed the default port in the settings file and running https, secured behind auth…

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## [HC-SR04 ultrasonic sensor - manual function](https://discourse.nodered.org/t/hc-sr04-ultrasonic-sensor-manual-function/51686)

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**Author:** [@7Non](https://discourse.nodered.org/u/7Non)\
**Replies:** 4\
**Last updated:** [30 September 2021 19:37 UTC](https://discourse.nodered.org/t/hc-sr04-ultrasonic-sensor-manual-function/51686 "2021-09-30T19:37:08Z")

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Good morning sir, is there any possible to make a flow on node-red manually without using rpi-srf. This flow should exactly do the work of rpi-srf. That sounds not a logic question but I am trying to connect that sensor…

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## [Error installing node-red-node-arduino on Windows 10](https://discourse.nodered.org/t/error-installing-node-red-node-arduino-on-windows-10/51722)

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**Author:** [@gyan](https://discourse.nodered.org/u/gyan)\
**Replies:** 5\
**Last updated:** [30 September 2021 19:07 UTC](https://discourse.nodered.org/t/error-installing-node-red-node-arduino-on-windows-10/51722 "2021-09-30T19:07:05Z")

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I was trying to follow the instruction at Interacting with Arduino : Node-RED to interface arduino with node-red. Until now, I've installed node-red, and loaded the firmata firmware on the board. When I'm trying to inst…

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## [Uibuilder v2.0.3](https://discourse.nodered.org/t/uibuilder-v2-0-3/51713)

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**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 9\
**Last updated:** [30 September 2021 18:53 UTC](https://discourse.nodered.org/t/uibuilder-v2-0-3/51713 "2021-09-30T18:53:09Z")

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Hi i have just updated to Uibuilder V2.0.3 and using the vue template i used to enter my variables here: const app = new Vue({ el: '#app', data() { return { startMsg : 'Vue has started, waiting for mess…

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## [Is there a multi select dropdown widget available in the editor](https://discourse.nodered.org/t/is-there-a-multi-select-dropdown-widget-available-in-the-editor/51498)

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**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 7\
**Last updated:** [30 September 2021 17:24 UTC](https://discourse.nodered.org/t/is-there-a-multi-select-dropdown-widget-available-in-the-editor/51498 "2021-09-30T17:24:04Z")

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Hi, to save the some of the limited space of the config dialog I'm looking for a multi select drop down widget for the editor. (as far as I found out themultiple attribute only works on select lists and not dropdowns) …

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## [Aedes MQTT Broker dropping out 3-4 times per minute](https://discourse.nodered.org/t/aedes-mqtt-broker-dropping-out-3-4-times-per-minute/51707)

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**Author:** [@Calendil](https://discourse.nodered.org/u/Calendil)\
**Replies:** 4\
**Last updated:** [30 September 2021 15:55 UTC](https://discourse.nodered.org/t/aedes-mqtt-broker-dropping-out-3-4-times-per-minute/51707 "2021-09-30T15:55:56Z")

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Hello All, I am using Aedes Node in NR as MQTT broker. (Pi Zero as NR Server). My internal and external MQTT listeners are getting disconnected from broker 3-4 times a minute. Is that an issue of this particular node …

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## [Horizontal scroll of chartjs line chart in dashboard](https://discourse.nodered.org/t/horizontal-scroll-of-chartjs-line-chart-in-dashboard/51718)

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**Author:** [@metter](https://discourse.nodered.org/u/metter)\
**Replies:** 0\
**Last updated:** [30 September 2021 12:40 UTC](https://discourse.nodered.org/t/horizontal-scroll-of-chartjs-line-chart-in-dashboard/51718 "2021-09-30T12:40:32Z")

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I am displaying a line chart (chartjs) via the dashboard template node. Done via this script I found online: \<!-- See the read me comment node. Colin Law's original notes follow --\> \<!-- A node-red Dashboard UI templat…

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## [Setting the key of an object to the value of an variable](https://discourse.nodered.org/t/setting-the-key-of-an-object-to-the-value-of-an-variable/51714)

<div class="topic-metadata">

**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 2\
**Last updated:** [30 September 2021 12:39 UTC](https://discourse.nodered.org/t/setting-the-key-of-an-object-to-the-value-of-an-variable/51714 "2021-09-30T12:39:04Z")

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msg.payload = myObject('DGWZ\_temp\_offset'); node.send(msg); return null; function myObject(key){ let value = global.get(key); return = {key.valueOf():value}; ???????? } result should be {'DGWZ\_temp\_offset':val…

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## [Http request to machine's screen mirror](https://discourse.nodered.org/t/http-request-to-machines-screen-mirror/51388)

<div class="topic-metadata">

**Author:** [@lastheim](https://discourse.nodered.org/u/lastheim)\
**Replies:** 14\
**Last updated:** [30 September 2021 12:12 UTC](https://discourse.nodered.org/t/http-request-to-machines-screen-mirror/51388 "2021-09-30T12:12:46Z")

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Hi, Im trying to get values from my boiler via its web screen mirror/GUI When I send the GET request directly to main resource the output is non-readable and not the html doc I was expecting How should I configure the…

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## [How to send a data from PHP Script to node-red dashboard](https://discourse.nodered.org/t/how-to-send-a-data-from-php-script-to-node-red-dashboard/51554)

<div class="topic-metadata">

**Author:** [@Ghoond](https://discourse.nodered.org/u/Ghoond)\
**Replies:** 14\
**Last updated:** [30 September 2021 11:08 UTC](https://discourse.nodered.org/t/how-to-send-a-data-from-php-script-to-node-red-dashboard/51554 "2021-09-30T11:08:19Z")

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Hi everyone, So i've been working on a project about IoT, and currently im using arduino for my project, especially ESP32-Cam for monitoring plants. And since im new using Node-Red is there are a way to send a data from…

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