# Latest

**URL:** https://discourse.nodered.org/latest.md?page=300

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

**Page:** 301

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## [Getting Started with OPC-UA and Node-RED](https://discourse.nodered.org/t/getting-started-with-opc-ua-and-node-red/80563)

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**Author:** [@iskerrett](https://discourse.nodered.org/u/iskerrett)\
**Replies:** 5\
**Last updated:** [14 September 2023 07:57 UTC](https://discourse.nodered.org/t/getting-started-with-opc-ua-and-node-red/80563 "2023-09-14T07:57:57Z")

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Lots of people use OPC-UA to gather data from industrial hardware. Node-RED has OPC-UA nodes available to make it possible to create an OPC-UA client to receive OPC-UA data. FlowForge is hosting a webinar to show how eas…

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## [Switching DigitalOutputs in Timeloop](https://discourse.nodered.org/t/switching-digitaloutputs-in-timeloop/81294)

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**Author:** [@gumue](https://discourse.nodered.org/u/gumue)\
**Replies:** 1\
**Last updated:** [14 September 2023 07:33 UTC](https://discourse.nodered.org/t/switching-digitaloutputs-in-timeloop/81294 "2023-09-14T07:33:31Z")

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Hello dear Comunity, I have another problem with a timeloop. I have 6 switching outputs that should be switched in a loop with adjustable time on and pause in a loop. The logic is as follows: Via UI setting switching t…

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## [Automatic flow backups to GitHub](https://discourse.nodered.org/t/automatic-flow-backups-to-github/81238)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 4\
**Last updated:** [14 September 2023 06:56 UTC](https://discourse.nodered.org/t/automatic-flow-backups-to-github/81238 "2023-09-14T06:56:28Z")

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Hi There, I built a flow that automatically commits flow data to GitHub using their API. I needed this since I'm using a disk-less server so I couldn't use the project feature of Node-RED. For those interested, the flo…

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## [Shelly Duo bulbs crashing via MQTT](https://discourse.nodered.org/t/shelly-duo-bulbs-crashing-via-mqtt/81244)

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**Author:** [@jsprenkle](https://discourse.nodered.org/u/jsprenkle)\
**Replies:** 12\
**Last updated:** [14 September 2023 01:29 UTC](https://discourse.nodered.org/t/shelly-duo-bulbs-crashing-via-mqtt/81244 "2023-09-14T01:29:21Z")

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Good morning, I've just purchased a pack of Shelly Duo bulbs. I don't want to use the cloud service, so their advertising that it uses MQTT and has variable brightness it was a deciding factor for me. When using MQTT y…

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## [Executing a node from an external website](https://discourse.nodered.org/t/executing-a-node-from-an-external-website/81292)

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**Author:** [@BrunoQuaresma](https://discourse.nodered.org/u/BrunoQuaresma)\
**Replies:** 4\
**Last updated:** [13 September 2023 23:24 UTC](https://discourse.nodered.org/t/executing-a-node-from-an-external-website/81292 "2023-09-13T23:24:39Z")

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Hey folks! I'm developing a web system and I want to execute a Node-RED node from this app so I'm wondering if the Node-RED API provides something to help me with that. I have a flow that contains a button and a "Modbu…

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## [Object is referenced instead of cloned](https://discourse.nodered.org/t/object-is-referenced-instead-of-cloned/81287)

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**Author:** [@tfuchs1987](https://discourse.nodered.org/u/tfuchs1987)\
**Replies:** 2\
**Last updated:** [13 September 2023 21:10 UTC](https://discourse.nodered.org/t/object-is-referenced-instead-of-cloned/81287 "2023-09-13T21:10:43Z")

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Hi Forum, I have the following code in a function node and I wonder why Node-RED behaves the way it does. If I say "msg.debug = msg.test" and I make changes to msg.debug, msg.text will get changed the same way. Probabl…

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## [Upgraded to 3.1 - http request nodes are now giving ERR\_TLS\_CERT\_ALTNAME\_INVALID error. Rolled back to 3.0, error is gone](https://discourse.nodered.org/t/upgraded-to-3-1-http-request-nodes-are-now-giving-err-tls-cert-altname-invalid-error-rolled-back-to-3-0-error-is-gone/81280)

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**Author:** [@sstratoti](https://discourse.nodered.org/u/sstratoti)\
**Replies:** 5\
**Last updated:** [13 September 2023 19:56 UTC](https://discourse.nodered.org/t/upgraded-to-3-1-http-request-nodes-are-now-giving-err-tls-cert-altname-invalid-error-rolled-back-to-3-0-error-is-gone/81280 "2023-09-13T19:56:25Z")

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Hi all - I recently upgraded to Node-Red 3.1 (docker) and I'm having a weird issue with the "http request" nodes. I rolled back to 3.0 to confirm that it was the upgrade that caused the problem. It seems like in 3.1 the…

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## [NodeRed TCP OUT Node Success Response](https://discourse.nodered.org/t/nodered-tcp-out-node-success-response/81256)

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**Author:** [@shershah](https://discourse.nodered.org/u/shershah)\
**Replies:** 16\
**Last updated:** [13 September 2023 17:58 UTC](https://discourse.nodered.org/t/nodered-tcp-out-node-success-response/81256 "2023-09-13T17:58:59Z")

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I have created a flow on nodered. NodeRed instance is receiving a request on MQTT broker and sending a request to TCP server. How Can I configure TCPOUT node to reply the response and send back the received message to m…

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## [Error when using openapi-red](https://discourse.nodered.org/t/error-when-using-openapi-red/81088)

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**Author:** [@TheSauce](https://discourse.nodered.org/u/TheSauce)\
**Replies:** 5\
**Last updated:** [13 September 2023 17:22 UTC](https://discourse.nodered.org/t/error-when-using-openapi-red/81088 "2023-09-13T17:22:08Z")

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I'm trying to use openapi-red and when I put in the link for my yaml file and hit the "read" button, I get this: I have tried other yaml files as well and I get the same error. I tried running Node-RED from the consol…

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## [Shelly blu DW sensor -\> shelly plus plug s scripting -\> node-red](https://discourse.nodered.org/t/shelly-blu-dw-sensor-shelly-plus-plug-s-scripting-node-red/81245)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 2\
**Last updated:** [13 September 2023 16:40 UTC](https://discourse.nodered.org/t/shelly-blu-dw-sensor-shelly-plus-plug-s-scripting-node-red/81245 "2023-09-13T16:40:01Z")

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I just got my new shelly blu DW sensor which is small and has low energy usage. I managed to connect it to a shelly plus Plug s and it works ok. Now I want to create actions within the shelly script on the plug s in ord…

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## [Send files or data via internet](https://discourse.nodered.org/t/send-files-or-data-via-internet/81277)

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**Author:** [@issambfs1](https://discourse.nodered.org/u/issambfs1)\
**Replies:** 7\
**Last updated:** [13 September 2023 16:04 UTC](https://discourse.nodered.org/t/send-files-or-data-via-internet/81277 "2023-09-13T16:04:00Z")

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is there any way to send files size of 2-5mb from "raspberry pi zero w " to a cloud drive or to a server ? i don't care about security !

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## [PDF Reports service](https://discourse.nodered.org/t/pdf-reports-service/81275)

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**Author:** [@jtalbourdet](https://discourse.nodered.org/u/jtalbourdet)\
**Replies:** 3\
**Last updated:** [13 September 2023 14:24 UTC](https://discourse.nodered.org/t/pdf-reports-service/81275 "2023-09-13T14:24:08Z")

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Dear Node-RED community, I am reaching out to you as a representative of a company specializing in industrial automation and IT. I would like to seek your opinions and insights on a project we are considering developing…

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## [Information on memory/buffer](https://discourse.nodered.org/t/information-on-memory-buffer/80865)

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**Author:** [@Luca91](https://discourse.nodered.org/u/Luca91)\
**Replies:** 24\
**Last updated:** [13 September 2023 13:51 UTC](https://discourse.nodered.org/t/information-on-memory-buffer/80865 "2023-09-13T13:51:59Z")

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Hi all, I'm trying to figure out how to use NodeRed's memory. I acquire data through modbus registers. The goal of my flow is to collect all the data and aggregate it every 15 min. I already managed to do this using 2…

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## [Output non correct](https://discourse.nodered.org/t/output-non-correct/81276)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 5\
**Last updated:** [13 September 2023 13:48 UTC](https://discourse.nodered.org/t/output-non-correct/81276 "2023-09-13T13:48:08Z")

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Hi, I try to explain ..... this is the code: const output = \[null, null\]; const x = msg.payload if (x == 1) { output\[0\] = { payload: "uno" } output\[1\] = { payload: "due" } setTimeout(() =\> { node.send(o…

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## [Node-red-contrib-tahoma (v3.0.0.beta5) customRotation function doesn't work](https://discourse.nodered.org/t/node-red-contrib-tahoma-v3-0-0-beta5-customrotation-function-doesnt-work/81273)

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**Author:** [@Murmelspieler](https://discourse.nodered.org/u/Murmelspieler)\
**Replies:** 0\
**Last updated:** [13 September 2023 11:11 UTC](https://discourse.nodered.org/t/node-red-contrib-tahoma-v3-0-0-beta5-customrotation-function-doesnt-work/81273 "2023-09-13T11:11:25Z")

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Hi together, I have installed the node-red-contrib-tahoma v3.0.0.beta5. The communication with the box works and I can read values from the sun sensor. Using syntax {"action":"customPosition","position":25} I can move …

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## [RED.sidebar plugin UI updation from JS file](https://discourse.nodered.org/t/red-sidebar-plugin-ui-updation-from-js-file/81267)

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**Author:** [@Pioneerj](https://discourse.nodered.org/u/Pioneerj)\
**Replies:** 3\
**Last updated:** [13 September 2023 11:16 UTC](https://discourse.nodered.org/t/red-sidebar-plugin-ui-updation-from-js-file/81267 "2023-09-13T11:16:46Z")

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Hello All, I have created a custom plugin to Node-Red Editor to add my tab to sidebar. I referred: I have two files in plugin: testplugin.html I have created a drop down list like this: var x = document.creat…

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## [Global context data to create and fetch with JSONata](https://discourse.nodered.org/t/global-context-data-to-create-and-fetch-with-jsonata/81264)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 10\
**Last updated:** [13 September 2023 10:45 UTC](https://discourse.nodered.org/t/global-context-data-to-create-and-fetch-with-jsonata/81264 "2023-09-13T10:45:43Z")

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I would like to create some persistent global context data and fetch the values via a JSONata expression. \[ { "id": "64036d4f75497fb8", "type": "inject", "z": "33667947.7eff86", "name…

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## [Wanting to change numbers to text - not what you think](https://discourse.nodered.org/t/wanting-to-change-numbers-to-text-not-what-you-think/81215)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [13 September 2023 09:53 UTC](https://discourse.nodered.org/t/wanting-to-change-numbers-to-text-not-what-you-think/81215 "2023-09-13T09:53:05Z")

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I was stuck how to ask the question. Say my payload is 09:14:10 (text) I want to convert it to words. So it would become zero nine fourteen ten I think I know how to do it, but it is a lot of typing. Only because …

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## [Search function request - bigger list](https://discourse.nodered.org/t/search-function-request-bigger-list/81271)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [13 September 2023 09:51 UTC](https://discourse.nodered.org/t/search-function-request-bigger-list/81271 "2023-09-13T09:51:02Z")

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Sorry but this one came back to my attention: I know it is a battle between the two extremes for the size of the list presented. But when you search for something and have a (sarcasm on) few (sarcasm off) matches...…

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## [Calling Environment variables as a Global variable name](https://discourse.nodered.org/t/calling-environment-variables-as-a-global-variable-name/81232)

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**Author:** [@douchebagraccoon](https://discourse.nodered.org/u/douchebagraccoon)\
**Replies:** 7\
**Last updated:** [13 September 2023 08:36 UTC](https://discourse.nodered.org/t/calling-environment-variables-as-a-global-variable-name/81232 "2023-09-13T08:36:47Z")

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Hello everyone, I'm attempting to do the same thing as in the topic linked below : Continuing the discussion from Calling Environment Variables in Change Node for Global Variable name: let envr = env.get("evr\_name") ?…

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## [Text\_input logic in Node-red Dashboard](https://discourse.nodered.org/t/text-input-logic-in-node-red-dashboard/81242)

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**Author:** [@sercancetin](https://discourse.nodered.org/u/sercancetin)\
**Replies:** 3\
**Last updated:** [13 September 2023 08:20 UTC](https://discourse.nodered.org/t/text-input-logic-in-node-red-dashboard/81242 "2023-09-13T08:20:05Z")

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Hello everyone, I am making widgets like in the video. The point I use as reference is the knot red instrument panel. In "text entry" in the Node-red control panel, data is not lost when the page is refreshed and data is…

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## [Nat forwarding port dashboard but not admin (config flow)](https://discourse.nodered.org/t/nat-forwarding-port-dashboard-but-not-admin-config-flow/81262)

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**Author:** [@LinkView\_Maze](https://discourse.nodered.org/u/LinkView_Maze)\
**Replies:** 2\
**Last updated:** [13 September 2023 08:17 UTC](https://discourse.nodered.org/t/nat-forwarding-port-dashboard-but-not-admin-config-flow/81262 "2023-09-13T08:17:03Z")

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Hello I willed open dashboard in external acces but if created nat forwarding on port I expose the dashboard and the admin (config flow). Do you have a solution for exporte in web juste the dashboard ? It is possible t…

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## [Run update configuration node via shell command](https://discourse.nodered.org/t/run-update-configuration-node-via-shell-command/80996)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 4\
**Last updated:** [13 September 2023 07:27 UTC](https://discourse.nodered.org/t/run-update-configuration-node-via-shell-command/80996 "2023-09-13T07:27:07Z")

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Hi, is there a way to update a configuration node via a shell command? Reason: I have some configuation nodes like FRITZ!Box which sometimes lose connection and they need to get restarted/update manually before workin…

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## [Parse Request Response JSON](https://discourse.nodered.org/t/parse-request-response-json/81263)

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**Author:** [@shershah](https://discourse.nodered.org/u/shershah)\
**Replies:** 1\
**Last updated:** [13 September 2023 06:33 UTC](https://discourse.nodered.org/t/parse-request-response-json/81263 "2023-09-13T06:33:39Z")

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Hi, I have request json which contains multiple sensor details and parameter details. How can I parse the request json, update values on sensor and send the response back with success error status. I am doing it over TCP…

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## [Getting Last Object payload for an array that varies](https://discourse.nodered.org/t/getting-last-object-payload-for-an-array-that-varies/4032)

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**Author:** [@2004sk4](https://discourse.nodered.org/u/2004sk4)\
**Replies:** 6\
**Last updated:** [12 September 2023 23:43 UTC](https://discourse.nodered.org/t/getting-last-object-payload-for-an-array-that-varies/4032 "2023-09-12T23:43:32Z")

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What is the best way to get the last object payload from a sql array. I am calling a sql server which depending on datatime pulls different amount a results. I need that last object payload to display on the dashboard …

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## [Restart Node-RED Windows Service using the Exec Node in Node-RED](https://discourse.nodered.org/t/restart-node-red-windows-service-using-the-exec-node-in-node-red/81239)

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**Author:** [@dudleyjosh](https://discourse.nodered.org/u/dudleyjosh)\
**Replies:** 6\
**Last updated:** [12 September 2023 21:02 UTC](https://discourse.nodered.org/t/restart-node-red-windows-service-using-the-exec-node-in-node-red/81239 "2023-09-12T21:02:11Z")

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I'm hoping someone might be able to help figure this out. I have Node-RED running on a Windows Server and it is setup as a Windows Service using NSSM (Non-Sucking Service Manager). I was hoping to be able to use an Exec …

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## [Updating node on dietpi?](https://discourse.nodered.org/t/updating-node-on-dietpi/81251)

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**Author:** [@Kazzy](https://discourse.nodered.org/u/Kazzy)\
**Replies:** 0\
**Last updated:** [12 September 2023 20:47 UTC](https://discourse.nodered.org/t/updating-node-on-dietpi/81251 "2023-09-12T20:47:30Z")

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Hello, I'm currently running Node-Red 3.02 installed on a Raspberry Pi4 using Dietpi. When i start up Node-Red it says it using Node 15.5.0. Sep 12 21:42:22 DietPi systemd\[1\]: Started Node-RED (DietPi). Sep 12 21:42:2…

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## [The inner working of a talking clock. No voice part included!](https://discourse.nodered.org/t/the-inner-working-of-a-talking-clock-no-voice-part-included/81222)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [12 September 2023 06:22 UTC](https://discourse.nodered.org/t/the-inner-working-of-a-talking-clock-no-voice-part-included/81222 "2023-09-12T06:22:29Z")

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Only that there are a few different ones and people have their own likes. I have just spent the afternoon/day writing this. There is a bit of redundant code. I've left it there only as an option to which you want to u…

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## [How can we show only dashboard of node-red from any location........?](https://discourse.nodered.org/t/how-can-we-show-only-dashboard-of-node-red-from-any-location/81227)

<div class="topic-metadata">

**Author:** [@jitesh](https://discourse.nodered.org/u/jitesh)\
**Replies:** 4\
**Last updated:** [12 September 2023 18:54 UTC](https://discourse.nodered.org/t/how-can-we-show-only-dashboard-of-node-red-from-any-location/81227 "2023-09-12T18:54:09Z")

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Please guide me or share any related video for my concern topic.

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## [Awtrix light MQTT](https://discourse.nodered.org/t/awtrix-light-mqtt/81248)

<div class="topic-metadata">

**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 1\
**Last updated:** [12 September 2023 18:49 UTC](https://discourse.nodered.org/t/awtrix-light-mqtt/81248 "2023-09-12T18:49:34Z")

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Hello! I would like to control the Ulanzi (awtrix light) with Node Red via MQTT. Unfortunately I haven't done that yet. Can anyone help me how to do this? Thanks in advance.

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