# Latest

**URL:** https://discourse.nodered.org/latest.md?page=759

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

**Page:** 760

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## [Procedural function block programming with node red (like PLC FBD)](https://discourse.nodered.org/t/procedural-function-block-programming-with-node-red-like-plc-fbd/49329)

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**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\
**Replies:** 0\
**Last updated:** [4 August 2021 14:59 UTC](https://discourse.nodered.org/t/procedural-function-block-programming-with-node-red-like-plc-fbd/49329 "2021-08-04T14:59:31Z")

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When I first discovered Node-RED I was excited because it seemed very similar to Function Block Diagrams that I'd used in PLC programming. They are both visual programming but that's about where the similarities end. It …

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## [Translate Português pt-BR](https://discourse.nodered.org/t/translate-portugues-pt-br/49319)

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**Author:** [@herickf](https://discourse.nodered.org/u/herickf)\
**Replies:** 5\
**Last updated:** [4 August 2021 14:38 UTC](https://discourse.nodered.org/t/translate-portugues-pt-br/49319 "2021-08-04T14:38:02Z")

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Hello people, I started learning about Node-RED recently, the tool is fantastic, congratulations to the whole team! I will need to integrate the tool to a system in Portuguese, so I decided to translate it to pt-BR. I w…

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## [Combining strings (Referencing csv and picking a specific value based on a global value)](https://discourse.nodered.org/t/combining-strings-referencing-csv-and-picking-a-specific-value-based-on-a-global-value/49276)

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**Author:** [@Christoff](https://discourse.nodered.org/u/Christoff)\
**Replies:** 8\
**Last updated:** [4 August 2021 13:27 UTC](https://discourse.nodered.org/t/combining-strings-referencing-csv-and-picking-a-specific-value-based-on-a-global-value/49276 "2021-08-04T13:27:31Z")

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Hi, I'm trying to put a string together to send to google sheets as a msg.cell. I've got return from google sheets working and I can use a inject node to pick and choose cells to get. I'm trying to automate it now and…

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## [Uibuilder + React (socket.io module not found)](https://discourse.nodered.org/t/uibuilder-react-socket-io-module-not-found/49195)

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**Author:** [@Bobo](https://discourse.nodered.org/u/Bobo)\
**Replies:** 12\
**Last updated:** [4 August 2021 13:03 UTC](https://discourse.nodered.org/t/uibuilder-react-socket-io-module-not-found/49195 "2021-08-04T13:03:19Z")

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Wondering if anyone can assist with the following error (after running npm run start): /home/pi/.node-red/node\_modules/node-red-contrib-uibuilder/front-end/src/uibuilderfe.js Module not found: Can't resolve 'socket.io-c…

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## [How use opc ua events](https://discourse.nodered.org/t/how-use-opc-ua-events/49300)

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**Author:** [@oualid](https://discourse.nodered.org/u/oualid)\
**Replies:** 2\
**Last updated:** [4 August 2021 12:00 UTC](https://discourse.nodered.org/t/how-use-opc-ua-events/49300 "2021-08-04T12:00:50Z")

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hi, i want to generate events using opcua, but i did not find any example. could you please explain how to do by showing an example. thanks a lot

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## [Node-red getting image from network](https://discourse.nodered.org/t/node-red-getting-image-from-network/49266)

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**Author:** [@TomyT](https://discourse.nodered.org/u/TomyT)\
**Replies:** 5\
**Last updated:** [4 August 2021 11:51 UTC](https://discourse.nodered.org/t/node-red-getting-image-from-network/49266 "2021-08-04T11:51:32Z")

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Hello, I would like to show an image on my dashboard. The image(s) is located on a network share. Node red is running on a ubuntu server. I tried with node-red-contrib-image-tools but without success. I would also l…

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## [Node-red opened and closed](https://discourse.nodered.org/t/node-red-opened-and-closed/4621)

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**Author:** [@gomju](https://discourse.nodered.org/u/gomju)\
**Replies:** 8\
**Last updated:** [4 August 2021 11:49 UTC](https://discourse.nodered.org/t/node-red-opened-and-closed/4621 "2021-08-04T11:49:31Z")

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Hello. I am starting with node-red but I have a problem. I can´t run it. I have followed some tutorials and installed it as the official page says but i don´t know what happens. When I type node-red start then everyt…

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## [Aws-sdk package giving isse](https://discourse.nodered.org/t/aws-sdk-package-giving-isse/49310)

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**Author:** [@sterinapen](https://discourse.nodered.org/u/sterinapen)\
**Replies:** 0\
**Last updated:** [4 August 2021 08:03 UTC](https://discourse.nodered.org/t/aws-sdk-package-giving-isse/49310 "2021-08-04T08:03:14Z")

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I have node-red version v1.3.5 installed on the ubuntu(1804) server with node version: v10.22.1. I have added few packages in my settings.js file and starting the node red using pm2. few packages such as: built" : re…

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## [Daylight savings ignored when using inject](https://discourse.nodered.org/t/daylight-savings-ignored-when-using-inject/49307)

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**Author:** [@mrmike](https://discourse.nodered.org/u/mrmike)\
**Replies:** 2\
**Last updated:** [4 August 2021 07:58 UTC](https://discourse.nodered.org/t/daylight-savings-ignored-when-using-inject/49307 "2021-08-04T07:58:03Z")

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Hi, Is it the intended behaviour for the inject timers to ignore daylight savings? The correct timestamp is actually logged by the inject node, but when I have set it to fire using the 'at a specific time' option, dayli…

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## [Updating to 1.3.5 (from 1.3.0)](https://discourse.nodered.org/t/updating-to-1-3-5-from-1-3-0/49268)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 3\
**Last updated:** [4 August 2021 07:27 UTC](https://discourse.nodered.org/t/updating-to-1-3-5-from-1-3-0/49268 "2021-08-04T07:27:31Z")

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Just checking before I press go - I've an old PiZero running Jessie (for LIRC reasons) Node v10.24.1 and NR 1.3.0 If I use the standard install/upgrade script with --nodered-version="1.3.6" will it leave the Node 10 …

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## [Permissions Error for Advanced Logger](https://discourse.nodered.org/t/permissions-error-for-advanced-logger/49239)

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**Author:** [@multicm](https://discourse.nodered.org/u/multicm)\
**Replies:** 8\
**Last updated:** [4 August 2021 05:46 UTC](https://discourse.nodered.org/t/permissions-error-for-advanced-logger/49239 "2021-08-04T05:46:43Z")

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I feel like I am missing something very simple here and it is infuriating, I must be an idiot. I installed node-red on my raspberry pi using the instructions at Running on Raspberry Pi : Node-RED Everything is setup an…

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## [MQTT Connection works from Raspian but not Windows](https://discourse.nodered.org/t/mqtt-connection-works-from-raspian-but-not-windows/49304)

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**Author:** [@geoffarobinson](https://discourse.nodered.org/u/geoffarobinson)\
**Replies:** 2\
**Last updated:** [4 August 2021 05:36 UTC](https://discourse.nodered.org/t/mqtt-connection-works-from-raspian-but-not-windows/49304 "2021-08-04T05:36:26Z")

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Hi All, I can make a succesful MQTT connection (TLS) from a RaspberryPi to an Azure IoT Hub using SAS Token authentication but when I try the identical flow from a Windows10 machine it won't connect. I'm just using the …

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## [Node-Red 2.01 Editor theme](https://discourse.nodered.org/t/node-red-2-01-editor-theme/48774)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 37\
**Last updated:** [4 August 2021 05:21 UTC](https://discourse.nodered.org/t/node-red-2-01-editor-theme/48774 "2021-08-04T05:21:41Z")

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I've just upgrade from NR 1.33 to 2.01 - thanks guys for a smooth upgrade this time - no issues with any nodes - probably due to me being on nodejs 14.17.2... I tried installing the new Monaco text editor. I already ha…

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## [How to split UDP message](https://discourse.nodered.org/t/how-to-split-udp-message/49281)

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**Author:** [@dohnalradek](https://discourse.nodered.org/u/dohnalradek)\
**Replies:** 2\
**Last updated:** [4 August 2021 05:08 UTC](https://discourse.nodered.org/t/how-to-split-udp-message/49281 "2021-08-04T05:08:20Z")

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Im getting UDP message from my weather station in this format: payload: "tempinc=25.8 humidityin=52 baromrelhpa=1013.82 baromabshpa=988.01 tempc=17.8 humidity=86 winddir=350 windspeedkmh=1.13 windgustkmh=1.77 maxdailygu…

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## [Is the Node-RED editor using html5?](https://discourse.nodered.org/t/is-the-node-red-editor-using-html5/49282)

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**Author:** [@jaime.villasenor](https://discourse.nodered.org/u/jaime.villasenor)\
**Replies:** 3\
**Last updated:** [4 August 2021 01:21 UTC](https://discourse.nodered.org/t/is-the-node-red-editor-using-html5/49282 "2021-08-04T01:21:49Z")

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Hello guy, does any one know if the Node-RED editor is built using HTML5?

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## [Dynamically Changing group colour](https://discourse.nodered.org/t/dynamically-changing-group-colour/49178)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 13\
**Last updated:** [4 August 2021 00:53 UTC](https://discourse.nodered.org/t/dynamically-changing-group-colour/49178 "2021-08-04T00:53:00Z")

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Hi All, I am using UI-LED to indicate a fault in a certain area of a plant. is it porrible to change the background of a group to a different colour with a ui template node but leave the other groups grey? I will be rec…

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## [Reading Timeout error when using contrib-bacnet](https://discourse.nodered.org/t/reading-timeout-error-when-using-contrib-bacnet/46424)

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**Author:** [@abravov](https://discourse.nodered.org/u/abravov)\
**Replies:** 4\
**Last updated:** [4 August 2021 00:28 UTC](https://discourse.nodered.org/t/reading-timeout-error-when-using-contrib-bacnet/46424 "2021-08-04T00:28:04Z")

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When try to read Bacnet Simulator Device using Yet Bacnet tool and Node Red using contrib-bacnet, there is a Timeout error message, in the PPT attached file are the steps to replicate the scenario. PD: The simulation …

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## [Possible EventEmitter memory leak detected. Unknown (unfindable) node](https://discourse.nodered.org/t/possible-eventemitter-memory-leak-detected-unknown-unfindable-node/49114)

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**Author:** [@thebaldgeek](https://discourse.nodered.org/u/thebaldgeek)\
**Replies:** 7\
**Last updated:** [4 August 2021 00:00 UTC](https://discourse.nodered.org/t/possible-eventemitter-memory-leak-detected-unknown-unfindable-node/49114 "2021-08-04T00:00:32Z")

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Greetings. I am getting the following error pretty often in my cmd console: (node:66456) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 data listeners added to \[SockJSConnection\]. Use emitt…

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## [I broke Node-Red port bind](https://discourse.nodered.org/t/i-broke-node-red-port-bind/49285)

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**Author:** [@finch6](https://discourse.nodered.org/u/finch6)\
**Replies:** 6\
**Last updated:** [3 August 2021 22:37 UTC](https://discourse.nodered.org/t/i-broke-node-red-port-bind/49285 "2021-08-03T22:37:49Z")

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Hi all, I was playing around with web sockets and found node-red-contrib-socketio. I configured a socketio server and bound it to Node-Red in the config settings of the socketio node. I wasn't having much luck with we…

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## [Logo Image in Dashboard Toolbar](https://discourse.nodered.org/t/logo-image-in-dashboard-toolbar/49226)

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**Author:** [@awneil](https://discourse.nodered.org/u/awneil)\
**Replies:** 14\
**Last updated:** [3 August 2021 22:27 UTC](https://discourse.nodered.org/t/logo-image-in-dashboard-toolbar/49226 "2021-08-03T22:27:37Z")

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I have seen previous posts on this, but not got anything to work. I want to put an image (a logo) in the toolbar at the top of a Node-RED Dashboard: I have tried this: https://flows.nodered.org/flow/9ddf29277057e46…

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## [Button navigation "left" / "right" similarly to swipe left / right?](https://discourse.nodered.org/t/button-navigation-left-right-similarly-to-swipe-left-right/49284)

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**Author:** [@steirx](https://discourse.nodered.org/u/steirx)\
**Replies:** 2\
**Last updated:** [3 August 2021 21:30 UTC](https://discourse.nodered.org/t/button-navigation-left-right-similarly-to-swipe-left-right/49284 "2021-08-03T21:30:28Z")

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hi there, I need a tip on how to use buttons (e.g. in the toolbar) to navigate "left" or "right", similarly to what would happen on a touchscreen when swiping left and right. Is there a readily built function (e.g with…

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## [NR Lint indicates "loop detected"](https://discourse.nodered.org/t/nr-lint-indicates-loop-detected/49273)

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**Author:** [@FireWizard52](https://discourse.nodered.org/u/FireWizard52)\
**Replies:** 5\
**Last updated:** [3 August 2021 17:52 UTC](https://discourse.nodered.org/t/nr-lint-indicates-loop-detected/49273 "2021-08-03T17:52:05Z")

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Hi all, After upgrading from version 1.3.5 to version 2.0.5 (which went fine), I decided to try the new features, like the debugger, lint and Monaco editor. All looks fine and I think it is a enormous step forward for …

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## [Nrlint - can't ignore 'Too many nodes on flow"](https://discourse.nodered.org/t/nrlint-cant-ignore-too-many-nodes-on-flow/49124)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 4\
**Last updated:** [3 August 2021 17:43 UTC](https://discourse.nodered.org/t/nrlint-cant-ignore-too-many-nodes-on-flow/49124 "2021-08-03T17:43:49Z")

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I have a flow with lots of nodes and I get the "Too many nodes on flow" warning. Hovering over the error and clicking the dropdown button gives the options to ignore for node and ignore for flow, but neither of them sil…

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## [How to send messages to the simulated IoT device on my PC when the received temperature value is \> 23 while using a public MQTT broker](https://discourse.nodered.org/t/how-to-send-messages-to-the-simulated-iot-device-on-my-pc-when-the-received-temperature-value-is-23-while-using-a-public-mqtt-broker/48986)

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**Author:** [@mikey101](https://discourse.nodered.org/u/mikey101)\
**Replies:** 8\
**Last updated:** [3 August 2021 15:05 UTC](https://discourse.nodered.org/t/how-to-send-messages-to-the-simulated-iot-device-on-my-pc-when-the-received-temperature-value-is-23-while-using-a-public-mqtt-broker/48986 "2021-08-03T15:05:40Z")

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Hi i want to send a message to the simulated IoT device on my PC when the received temperature is \> 23 using a public MQTT broker, the temperature and the humidity value is being sent from my simulated IoT device on my l…

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## [Npm -v problem with RPI3](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145)

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**Author:** [@mustafa](https://discourse.nodered.org/u/mustafa)\
**Replies:** 28\
**Last updated:** [3 August 2021 14:58 UTC](https://discourse.nodered.org/t/npm-v-problem-with-rpi3/49145 "2021-08-03T14:58:14Z")

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Hi please advise for the below : npm -v node: /usr/lib/arm-linux-gnueabihf/libstdc++.so.6: version CXXABI\_1.3.9' not found (required by node) node: /usr/lib/arm-linux-gnueabihf/libstdc++.so.6: version GLIBCXX\_3.4.21' …

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## [Flashing ESP32 OTA via Node red + MQTT?](https://discourse.nodered.org/t/flashing-esp32-ota-via-node-red-mqtt/48533)

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**Author:** [@LuisPereira](https://discourse.nodered.org/u/LuisPereira)\
**Replies:** 6\
**Last updated:** [3 August 2021 13:56 UTC](https://discourse.nodered.org/t/flashing-esp32-ota-via-node-red-mqtt/48533 "2021-08-03T13:56:26Z")

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Hello everyone I working on a way to update an esp32 firmware via MQTT. I have seen this example for ESP8266 with HTTP and this post without code, which is precisely about MQTT OTA to Esp32 from Node red, all mentioned…

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## [A Dark-Theme for Node-RED here!](https://discourse.nodered.org/t/a-dark-theme-for-node-red-here/1669)

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**Author:** [@selo](https://discourse.nodered.org/u/selo)\
**Replies:** 21\
**Last updated:** [3 August 2021 12:53 UTC](https://discourse.nodered.org/t/a-dark-theme-for-node-red-here/1669 "2021-08-03T12:53:26Z")

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Hello everyone, here I leave a small dark-theme for Node RED. If anyone has any suggestions, please comment. Greetings. EDIT 31/12/20 - Please see the post below - https://discourse.nodered.org/t/a-dark-theme-for…

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## [Download csv between 2 dates - conection lost](https://discourse.nodered.org/t/download-csv-between-2-dates-conection-lost/49151)

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**Author:** [@Apoki21](https://discourse.nodered.org/u/Apoki21)\
**Replies:** 11\
**Last updated:** [3 August 2021 12:50 UTC](https://discourse.nodered.org/t/download-csv-between-2-dates-conection-lost/49151 "2021-08-03T12:50:36Z")

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Hi Guys i need help this problem, if i download csv get data on mysql between 2 date node red is conection lost and i cant function time get data on mysql, maybe can correct me if i wrong this flow this debug afte…

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## [Production line control and data](https://discourse.nodered.org/t/production-line-control-and-data/49204)

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**Author:** [@gliepins](https://discourse.nodered.org/u/gliepins)\
**Replies:** 4\
**Last updated:** [3 August 2021 12:49 UTC](https://discourse.nodered.org/t/production-line-control-and-data/49204 "2021-08-03T12:49:50Z")

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Hi, everyone! I am developing a small automation software for a production site/plant. Basically it will be dashboard, that will register small operations by "employee". To put it simple - "employee" picks a " projectID…

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## [Google sheets sync](https://discourse.nodered.org/t/google-sheets-sync/49258)

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**Author:** [@John\_Barry](https://discourse.nodered.org/u/John_Barry)\
**Replies:** 1\
**Last updated:** [3 August 2021 12:36 UTC](https://discourse.nodered.org/t/google-sheets-sync/49258 "2021-08-03T12:36:42Z")

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Hi All, I am building a mobile scale that logs weight with a RFID tag. I have this setup sending the data to google sheets but the issue is the device will most likely loose connectivity intermittently so I need to buff…

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