# Latest

**URL:** https://discourse.nodered.org/latest.md?page=198

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

**Page:** 199

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## [Working with v-data-table in Dashboard 2](https://discourse.nodered.org/t/working-with-v-data-table-in-dashboard-2/87783)

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**Author:** [@Vjagt](https://discourse.nodered.org/u/Vjagt)\
**Replies:** 7\
**Last updated:** [9 May 2024 07:52 UTC](https://discourse.nodered.org/t/working-with-v-data-table-in-dashboard-2/87783 "2024-05-09T07:52:32Z")

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I have been trying to work through v-data-table in template node under dashboard 2.0 and have a problem getting basic functions to work. My data is passed in from an mqtt topic as individual JSON items and passed throug…

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## [Inject repeat function](https://discourse.nodered.org/t/inject-repeat-function/87826)

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**Author:** [@2shlee](https://discourse.nodered.org/u/2shlee)\
**Replies:** 0\
**Last updated:** [9 May 2024 07:49 UTC](https://discourse.nodered.org/t/inject-repeat-function/87826 "2024-05-09T07:49:54Z")

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You are using the \[repeat\] function of \[inject\] to receive data every 15 minutes from the \[modbus-flex-sequencer node\]. You should receive data from a total of 10 devices through modbus. When you first deploy and run No…

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## [One button to control On and Off LED](https://discourse.nodered.org/t/one-button-to-control-on-and-off-led/87821)

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**Author:** [@fourskin99](https://discourse.nodered.org/u/fourskin99)\
**Replies:** 2\
**Last updated:** [9 May 2024 07:28 UTC](https://discourse.nodered.org/t/one-button-to-control-on-and-off-led/87821 "2024-05-09T07:28:54Z")

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Hi, I want to create a single button that can control on and off LED. When I click for the 1st time, it will turn on the LED and stay on until next I click. Then 2nd time click, it will turn off the LED until next click.…

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## [Welcome to Node-Red dashboard page](https://discourse.nodered.org/t/welcome-to-node-red-dashboard-page/87797)

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**Author:** [@dr\_cave\_dweller](https://discourse.nodered.org/u/dr_cave_dweller)\
**Replies:** 17\
**Last updated:** [8 May 2024 13:55 UTC](https://discourse.nodered.org/t/welcome-to-node-red-dashboard-page/87797 "2024-05-08T13:55:46Z")

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Hello, I have a small touchscreen running Node-Red, it is connected to another main controller running Node-Red. The touchscreen is just mirroring the Dashboard by logging into the IP address. Occasionally the main contr…

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## [Directly modify context as reference](https://discourse.nodered.org/t/directly-modify-context-as-reference/87802)

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**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 2\
**Last updated:** [8 May 2024 13:37 UTC](https://discourse.nodered.org/t/directly-modify-context-as-reference/87802 "2024-05-08T13:37:19Z")

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Hi, working with context (context,flow or global) we directly access and modify them unless we don't use RED.util.cloneMessage. So if for instance we have flow.set("mytest",{ "A":\[1,2,3\], "B":{"value1":"B1","value2":"B2…

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## [LWT incorrectly shows system offline](https://discourse.nodered.org/t/lwt-incorrectly-shows-system-offline/87718)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 8\
**Last updated:** [8 May 2024 13:28 UTC](https://discourse.nodered.org/t/lwt-incorrectly-shows-system-offline/87718 "2024-05-08T13:28:33Z")

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Hello I have found one point which I cannot explain The Node send mqtt LWT (last will) simply comes after a time in mqtt that it is offline although this is not the case. If I lock in and trigger a debung to get a ta…

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## [Function: sendIt - avoid incorrect values](https://discourse.nodered.org/t/function-sendit-avoid-incorrect-values/87748)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 7\
**Last updated:** [8 May 2024 13:25 UTC](https://discourse.nodered.org/t/function-sendit-avoid-incorrect-values/87748 "2024-05-08T13:25:00Z")

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Hi, i´m using the following function to send some values to my influxdb: function sendIt(topic, address, roundTo) { let m = { topic: topic, payload: parseFloat(msg.payload\[address\].toFixed(roundTo)) …

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## [Influx db string](https://discourse.nodered.org/t/influx-db-string/87559)

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**Author:** [@Gravino](https://discourse.nodered.org/u/Gravino)\
**Replies:** 8\
**Last updated:** [8 May 2024 10:14 UTC](https://discourse.nodered.org/t/influx-db-string/87559 "2024-05-08T10:14:01Z")

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hello, connecting influxdb with plc siemens en opcua if i try to send a string i receive this error unsupported input type for mean aggregate: string this is what i'm sending 28/4/2024 00:37:29node: debug 38 ns=4;i=8…

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## [Change node is not showing any rules](https://discourse.nodered.org/t/change-node-is-not-showing-any-rules/87773)

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**Author:** [@Fahrerkrieger](https://discourse.nodered.org/u/Fahrerkrieger)\
**Replies:** 10\
**Last updated:** [8 May 2024 10:07 UTC](https://discourse.nodered.org/t/change-node-is-not-showing-any-rules/87773 "2024-05-08T10:07:24Z")

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In the above image change node is not showing any of its rules. It is the same with other nodes such as the string node. What should i do? I have even reinstalled node red and it still couldn't be rectified

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## [Multiple lines of serial in as single file](https://discourse.nodered.org/t/multiple-lines-of-serial-in-as-single-file/87775)

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**Author:** [@Boerwors](https://discourse.nodered.org/u/Boerwors)\
**Replies:** 6\
**Last updated:** [8 May 2024 08:46 UTC](https://discourse.nodered.org/t/multiple-lines-of-serial-in-as-single-file/87775 "2024-05-08T08:46:09Z")

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hey all i am once again in need of some help. i've got a bunch of arduinos sending data to a single arduino which then prints the serial data in individual lines. in short, i want to write both lines (and more) includin…

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## [Filter node suggestion](https://discourse.nodered.org/t/filter-node-suggestion/87800)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [8 May 2024 07:46 UTC](https://discourse.nodered.org/t/filter-node-suggestion/87800 "2024-05-08T07:46:22Z")

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Just wondering if anyone else would like this too. The filter node. It may be nice it shows when it is blocking with text below the node. That way if you are using one and wanting to know when it is blocking you see t…

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## [@leipert/node-red-contrib-stock-ticker errors](https://discourse.nodered.org/t/leipert-node-red-contrib-stock-ticker-errors/87799)

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**Author:** [@k5map](https://discourse.nodered.org/u/k5map)\
**Replies:** 1\
**Last updated:** [8 May 2024 05:02 UTC](https://discourse.nodered.org/t/leipert-node-red-contrib-stock-ticker-errors/87799 "2024-05-08T05:02:12Z")

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I've been using the @leipert/node-red-contrib-stock-ticker (v2.0.1) node to collect stock prices for multiple years but recently, I have been getting errors each time I call the node. Curious if anyone else is receiving…

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## [Node red firewall rules](https://discourse.nodered.org/t/node-red-firewall-rules/87777)

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**Author:** [@MarianoB](https://discourse.nodered.org/u/MarianoB)\
**Replies:** 5\
**Last updated:** [8 May 2024 01:40 UTC](https://discourse.nodered.org/t/node-red-firewall-rules/87777 "2024-05-08T01:40:01Z")

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Im using node red on a network that have a firewall. I want to know the URL i need to put as an exception on the firewall so i can download new nodes when needed

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## [How to set UI-Widget properties from external (DB2)](https://discourse.nodered.org/t/how-to-set-ui-widget-properties-from-external-db2/87759)

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**Author:** [@xx\_Nexus\_xx](https://discourse.nodered.org/u/xx_Nexus_xx)\
**Replies:** 2\
**Last updated:** [7 May 2024 23:07 UTC](https://discourse.nodered.org/t/how-to-set-ui-widget-properties-from-external-db2/87759 "2024-05-07T23:07:05Z")

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Hi everyone, I need to set the UI-Slider properties dynamically during runtime In this case I want to change Range.min Range.max Range.step I'm interessted to understand how this dynamic updating works in DB2 for…

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## [Balluff BAV002N module RED node pallette install problem](https://discourse.nodered.org/t/balluff-bav002n-module-red-node-pallette-install-problem/87716)

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**Author:** [@mikluk](https://discourse.nodered.org/u/mikluk)\
**Replies:** 6\
**Last updated:** [7 May 2024 19:16 UTC](https://discourse.nodered.org/t/balluff-bav002n-module-red-node-pallette-install-problem/87716 "2024-05-07T19:16:29Z")

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Hi, I connect the module LAN2 port ( static address ) to the home router. On the web browser select address:50000 and through the menu select to instal pallette. Notebook is connected to the network by wifi adapter. All…

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## [How to use \`api\` and \`routes\` folder in uibuilder vue3 template?](https://discourse.nodered.org/t/how-to-use-api-and-routes-folder-in-uibuilder-vue3-template/87790)

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**Author:** [@yongbao](https://discourse.nodered.org/u/yongbao)\
**Replies:** 4\
**Last updated:** [7 May 2024 21:19 UTC](https://discourse.nodered.org/t/how-to-use-api-and-routes-folder-in-uibuilder-vue3-template/87790 "2024-05-07T21:19:47Z")

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I am a beginner in node-red and I started node-red a few days ago. I created a new node by using uibuilder with vue3 template. But I am not sure how I can use api and routes folders of uibuilder node. I appreciate you…

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## [Response handling from External NPM Module](https://discourse.nodered.org/t/response-handling-from-external-npm-module/87795)

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**Author:** [@VinistoisR](https://discourse.nodered.org/u/VinistoisR)\
**Replies:** 3\
**Last updated:** [7 May 2024 20:40 UTC](https://discourse.nodered.org/t/response-handling-from-external-npm-module/87795 "2024-05-07T20:40:04Z")

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In a Function Node, I added this NPM module in the setup tab: It's working with the following function code, adapted from the module's readme: // Send "UP" Heartbeat to Prometheus endpoint using Prometheus-Remote-Wri…

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## [Calculate input from two sensor nodes, then trigger output](https://discourse.nodered.org/t/calculate-input-from-two-sensor-nodes-then-trigger-output/87762)

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**Author:** [@kosch](https://discourse.nodered.org/u/kosch)\
**Replies:** 8\
**Last updated:** [7 May 2024 20:36 UTC](https://discourse.nodered.org/t/calculate-input-from-two-sensor-nodes-then-trigger-output/87762 "2024-05-07T20:36:23Z")

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Very new to Node-RED, have some basics working (dashboard with graphs from sensors, switch for relays), but did a decent amount of searching and either cannot find or just cannot grasp how to do this. I have 2 ESP8266s …

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## [Msg.reset on deCONZ states](https://discourse.nodered.org/t/msg-reset-on-deconz-states/87793)

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**Author:** [@cairon](https://discourse.nodered.org/u/cairon)\
**Replies:** 0\
**Last updated:** [7 May 2024 18:56 UTC](https://discourse.nodered.org/t/msg-reset-on-deconz-states/87793 "2024-05-07T18:56:30Z")

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Hi there, do you know an opportunity to set a deCONZ state back to false? Motion from Sensor 1 sets Sensor 1 to true (normal behaviour) Motion from Sensor 2 sets Sensor 1 to false I fact: Is it possible to manipulate…

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## [How to publish MQTT Sparkplug B message](https://discourse.nodered.org/t/how-to-publish-mqtt-sparkplug-b-message/87444)

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**Author:** [@Garrian](https://discourse.nodered.org/u/Garrian)\
**Replies:** 1\
**Last updated:** [7 May 2024 18:37 UTC](https://discourse.nodered.org/t/how-to-publish-mqtt-sparkplug-b-message/87444 "2024-05-07T18:37:00Z")

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Hi there, I'm trying to publish a Sparkplug B message from node-red, but I don't get how I'm supposed to do that. This is my flow: msg.topic = "spBv1.0/namespace/group/device/edgeNode/sensor1"; msg.payload = { "b…

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## [Não consigo obter o status da conexão do PLC S7 1200 com o node red](https://discourse.nodered.org/t/nao-consigo-obter-o-status-da-conexao-do-plc-s7-1200-com-o-node-red/87788)

<div class="topic-metadata">

**Author:** [@uzi206](https://discourse.nodered.org/u/uzi206)\
**Replies:** 0\
**Last updated:** [7 May 2024 15:38 UTC](https://discourse.nodered.org/t/nao-consigo-obter-o-status-da-conexao-do-plc-s7-1200-com-o-node-red/87788 "2024-05-07T15:38:59Z")

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Gostaria de poder exibir o status da conexão com o meu PLC S7 1200 num dashboard, estou trocando dados entre o PLC e o node red pelo palete node-red-contrib-s7 3.1.0, porém ele não lança erro de comunicação num nó Catch,…

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## [How to upload a file using http request](https://discourse.nodered.org/t/how-to-upload-a-file-using-http-request/87737)

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**Author:** [@praveenkumarreddy849](https://discourse.nodered.org/u/praveenkumarreddy849)\
**Replies:** 2\
**Last updated:** [7 May 2024 10:28 UTC](https://discourse.nodered.org/t/how-to-upload-a-file-using-http-request/87737 "2024-05-07T10:28:15Z")

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Hi Community, I'm new to node red and I'm trying to upload a file in the Http request, It is looking different from doing in postman, Any help or guidance would be invaluable

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## [Modify database table](https://discourse.nodered.org/t/modify-database-table/87595)

<div class="topic-metadata">

**Author:** [@Ilkka](https://discourse.nodered.org/u/Ilkka)\
**Replies:** 5\
**Last updated:** [7 May 2024 09:28 UTC](https://discourse.nodered.org/t/modify-database-table/87595 "2024-05-07T09:28:28Z")

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Hello. I'm trying to use Dashboard 2 to modify data table. I have array of objects. Using table node, it shows data correctly. What I want now is way to modify, delete or add one row. I can't find a suitable way to imp…

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## [Create a new value from another value](https://discourse.nodered.org/t/create-a-new-value-from-another-value/87768)

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**Author:** [@pierredemay](https://discourse.nodered.org/u/pierredemay)\
**Replies:** 1\
**Last updated:** [7 May 2024 09:17 UTC](https://discourse.nodered.org/t/create-a-new-value-from-another-value/87768 "2024-05-07T09:17:23Z")

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Hello there, This is my object : My goal is to set the value of Numero like this : BCUSA24PR04152024 Keep in mind that the last 8 caracters (04152024) is based on the value of Date. Can someone help me to do this ? …

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## [Convert date format](https://discourse.nodered.org/t/convert-date-format/87755)

<div class="topic-metadata">

**Author:** [@pierredemay](https://discourse.nodered.org/u/pierredemay)\
**Replies:** 2\
**Last updated:** [7 May 2024 07:55 UTC](https://discourse.nodered.org/t/convert-date-format/87755 "2024-05-07T07:55:15Z")

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Hi there, I would like to know how to convert a date like "4/15/24" into the french date format (15/04/2024). Did someone can help me ? Thank you !

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## [NodeRed compress writes to InfluxDBv2?](https://discourse.nodered.org/t/nodered-compress-writes-to-influxdbv2/87751)

<div class="topic-metadata">

**Author:** [@Starfoxfs](https://discourse.nodered.org/u/Starfoxfs)\
**Replies:** 4\
**Last updated:** [7 May 2024 07:46 UTC](https://discourse.nodered.org/t/nodered-compress-writes-to-influxdbv2/87751 "2024-05-07T07:46:22Z")

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Hi, is there a way to compress the Writes to InfluxDBv2 with Node-Red ? InfluxDBv2 is faster when using gzip compression to Write Data

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## [How to combine several results?](https://discourse.nodered.org/t/how-to-combine-several-results/87760)

<div class="topic-metadata">

**Author:** [@2shlee](https://discourse.nodered.org/u/2shlee)\
**Replies:** 0\
**Last updated:** [7 May 2024 03:48 UTC](https://discourse.nodered.org/t/how-to-combine-several-results/87760 "2024-05-07T03:48:27Z")

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The dashboard displays a list of locations stored in mysql, and when you click the location number, the panels of devices in the corresponding location are displayed. The panel displays several data extracted from the p…

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## [Questions about the dashboard 2 template table](https://discourse.nodered.org/t/questions-about-the-dashboard-2-template-table/87664)

<div class="topic-metadata">

**Author:** [@2shlee](https://discourse.nodered.org/u/2shlee)\
**Replies:** 2\
**Last updated:** [7 May 2024 01:54 UTC](https://discourse.nodered.org/t/questions-about-the-dashboard-2-template-table/87664 "2024-05-07T01:54:04Z")

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I'm writing a program that shows these values in the table and shows the monitoring panel of the device when DeviceID is selected. The DB outputs the location value and DeviceID. with this query. var query = "SELECT D…

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## [NR flows update very slow when \>\> 500 flows](https://discourse.nodered.org/t/nr-flows-update-very-slow-when-500-flows/87687)

<div class="topic-metadata">

**Author:** [@Dunken](https://discourse.nodered.org/u/Dunken)\
**Replies:** 13\
**Last updated:** [6 May 2024 23:48 UTC](https://discourse.nodered.org/t/nr-flows-update-very-slow-when-500-flows/87687 "2024-05-06T23:48:11Z")

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On a test Node-RED instance we face very slow update-time when we want to update a single flow (we tried /flows and /flow/:id APIs). The deployment of a single flow takes up to 20-30 seconds. We currently have roughly 7…

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## [OPC UA Client Configuration from a custom webpage. {It is not a Issue/Bug}](https://discourse.nodered.org/t/opc-ua-client-configuration-from-a-custom-webpage-it-is-not-a-issue-bug/87745)

<div class="topic-metadata">

**Author:** [@Animesh](https://discourse.nodered.org/u/Animesh)\
**Replies:** 1\
**Last updated:** [6 May 2024 21:18 UTC](https://discourse.nodered.org/t/opc-ua-client-configuration-from-a-custom-webpage-it-is-not-a-issue-bug/87745 "2024-05-06T21:18:03Z")

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I want to collect Endpoints, Username, and Password from a custom local webpage. From the webpage, the user can add the Endpoint URL and other connectivity details without opening Node-Red dashboard. I want to keep Node-…

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