# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1012

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

**Page:** 1013

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## [Read UINT64 From a SE iEM3250](https://discourse.nodered.org/t/read-uint64-from-a-se-iem3250/32038)

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**Author:** [@ilmisu](https://discourse.nodered.org/u/ilmisu)\
**Replies:** 2\
**Last updated:** [26 August 2020 13:40 UTC](https://discourse.nodered.org/t/read-uint64-from-a-se-iem3250/32038 "2020-08-26T13:40:05Z")

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Hi everyone. I need to read the active energy counter provider by a Schneider Electric iEM3250 Modbus connected to my NR istance. I've got to say in advance that as well the first 32bit of that value are enough, but as…

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## [Convert array of UINT (16bit) numbers to array of Double (64bit) numbers](https://discourse.nodered.org/t/convert-array-of-uint-16bit-numbers-to-array-of-double-64bit-numbers/14258)

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**Author:** [@eduardotodero](https://discourse.nodered.org/u/eduardotodero)\
**Replies:** 11\
**Last updated:** [26 August 2020 13:13 UTC](https://discourse.nodered.org/t/convert-array-of-uint-16bit-numbers-to-array-of-double-64bit-numbers/14258 "2020-08-26T13:13:12Z")

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Guys, I need to join 4 positions of this array and only join 1, turning 4x16bits into 64 bits. So basically I need to merge 4 by 4 sequences into just 1 and turn that 4 16-bit data into a 64-bit one. Can you help me?

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## [Reducing Database Connections](https://discourse.nodered.org/t/reducing-database-connections/31950)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 8\
**Last updated:** [26 August 2020 12:21 UTC](https://discourse.nodered.org/t/reducing-database-connections/31950 "2020-08-26T12:21:16Z")

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Hello, I have a big flow with 17 "functional flow lines" that do the same but with different payloads. One part of that is working on a Database. Reading here, writing there and so on. The Flow is updated everty 1.2 s…

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## [Docker container installed node red in w10 - can't connect to serial port](https://discourse.nodered.org/t/docker-container-installed-node-red-in-w10-cant-connect-to-serial-port/31805)

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**Author:** [@edanyel](https://discourse.nodered.org/u/edanyel)\
**Replies:** 13\
**Last updated:** [26 August 2020 11:20 UTC](https://discourse.nodered.org/t/docker-container-installed-node-red-in-w10-cant-connect-to-serial-port/31805 "2020-08-26T11:20:58Z")

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Hi, I'm new to node red, I have a docker container installed node red in w10. I'm trying simple comm with arduino pro mini board through serial port. I get this message: "serial port COM3 error: Error: Error: No such f…

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## [How to send a post request with content](https://discourse.nodered.org/t/how-to-send-a-post-request-with-content/15537)

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**Author:** [@Cybertron](https://discourse.nodered.org/u/Cybertron)\
**Replies:** 16\
**Last updated:** [26 August 2020 10:35 UTC](https://discourse.nodered.org/t/how-to-send-a-post-request-with-content/15537 "2020-08-26T10:35:17Z")

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I want to use a button to trigger a post request with additional content, how to achieve it As shown in the figure, it contains multiple headers and a JSON content

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## [Need to help edit funtion UI Template send payload to gauge](https://discourse.nodered.org/t/need-to-help-edit-funtion-ui-template-send-payload-to-gauge/32034)

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**Author:** [@chawana](https://discourse.nodered.org/u/chawana)\
**Replies:** 8\
**Last updated:** [26 August 2020 10:34 UTC](https://discourse.nodered.org/t/need-to-help-edit-funtion-ui-template-send-payload-to-gauge/32034 "2020-08-26T10:34:02Z")

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\[ { "id": "4e028e5a.e8527", "type": "ui\_template", "z": "fb8fbe0d.771ea", "group": "48190cbf.587d84", "name": "", "order": 4, "width": 0, "height": 0, "format": "\\n\<html xmlns="http://www.w3.org/1999/xhtml"\>\\n\<h…

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## [Node-red-node-serialport : change baudrate on the fly](https://discourse.nodered.org/t/node-red-node-serialport-change-baudrate-on-the-fly/4313)

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**Author:** [@Orfait](https://discourse.nodered.org/u/Orfait)\
**Replies:** 7\
**Last updated:** [26 August 2020 08:41 UTC](https://discourse.nodered.org/t/node-red-node-serialport-change-baudrate-on-the-fly/4313 "2020-08-26T08:41:35Z")

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Hi here, I am using intensively the serialport node and need to have the ability to change the baudrate on the fly. This is possible and I was able to modify the node to do so. In fact, I would like to share the modif…

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## [Url redriect or render inside table](https://discourse.nodered.org/t/url-redriect-or-render-inside-table/32022)

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**Author:** [@apex](https://discourse.nodered.org/u/apex)\
**Replies:** 4\
**Last updated:** [26 August 2020 10:09 UTC](https://discourse.nodered.org/t/url-redriect-or-render-inside-table/32022 "2020-08-26T10:09:06Z")

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i am working in the Table node, using the example table , how can i render when i click on "Oli Bob" to like http://192.168.xx.xx:1880/ui/a and "Mary May" to http://192.168.xx.xx:1880/ui/b thanks Jeff

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## [Lockups when using groups](https://discourse.nodered.org/t/lockups-when-using-groups/31934)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 7\
**Last updated:** [26 August 2020 10:02 UTC](https://discourse.nodered.org/t/lockups-when-using-groups/31934 "2020-08-26T10:02:50Z")

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Morning all, Having a few problems with the GUI freezing when using the new node grouping feature. Copying a node and then pasting it within a group of nodes seems to trigger it! It does not come back, F5 does nothing…

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## [Change state dinamically of ui-switch](https://discourse.nodered.org/t/change-state-dinamically-of-ui-switch/32020)

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**Author:** [@Paolo](https://discourse.nodered.org/u/Paolo)\
**Replies:** 4\
**Last updated:** [26 August 2020 10:02 UTC](https://discourse.nodered.org/t/change-state-dinamically-of-ui-switch/32020 "2020-08-26T10:02:19Z")

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Hi guys this is my scenario I have an esp32 device conected with a temeratures sensor. this esp32 have two mode of operation manual and automatic manual means that in the dashboard i have a ui-switch that control th…

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## [Dashboard Audio Out Voice Options](https://discourse.nodered.org/t/dashboard-audio-out-voice-options/31919)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 8\
**Last updated:** [26 August 2020 09:43 UTC](https://discourse.nodered.org/t/dashboard-audio-out-voice-options/31919 "2020-08-26T09:43:07Z")

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I have started playing with the Audio Out for Text-To-Speach (TTS) and it is working well but I have run into one item that confuses me. In the dropdown, it shows 20 different voice choices, but some of them if I select …

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## [Disable a tabsheet in config screen](https://discourse.nodered.org/t/disable-a-tabsheet-in-config-screen/32031)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 2\
**Last updated:** [26 August 2020 09:26 UTC](https://discourse.nodered.org/t/disable-a-tabsheet-in-config-screen/32031 "2020-08-26T09:26:39Z")

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Hi folks, I have created some tabsheets in the config screen of a custom node: node.tabs = RED.tabs.create({ id: "node-plotly-tabs" }); node.tabs.addTab({ id: "node-plotly-tab-chart", label: "Chart" }); Is it…

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## [Second admin or user account](https://discourse.nodered.org/t/second-admin-or-user-account/32026)

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**Author:** [@MarcusWeber](https://discourse.nodered.org/u/MarcusWeber)\
**Replies:** 2\
**Last updated:** [26 August 2020 08:48 UTC](https://discourse.nodered.org/t/second-admin-or-user-account/32026 "2020-08-26T08:48:19Z")

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Hey, it's clear to (and works for) me how to create an admin-account and login into Node-RED remotely but is there any option to grant backend-access to another person with which I don't like to share the password? So,…

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## [Possible to dynamically update a node's label?](https://discourse.nodered.org/t/possible-to-dynamically-update-a-nodes-label/31989)

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**Author:** [@mountaindude](https://discourse.nodered.org/u/mountaindude)\
**Replies:** 10\
**Last updated:** [26 August 2020 07:40 UTC](https://discourse.nodered.org/t/possible-to-dynamically-update-a-nodes-label/31989 "2020-08-26T07:40:33Z")

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Long story short: I am trying to set a node's label based on info in some other properties on the same node. I want the node label to be an "app name", which is retrieved by sending an "app ID" to a REST API on a serve…

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## [Control the delay node with input from dashboard](https://discourse.nodered.org/t/control-the-delay-node-with-input-from-dashboard/31994)

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**Author:** [@Kushal](https://discourse.nodered.org/u/Kushal)\
**Replies:** 3\
**Last updated:** [26 August 2020 06:43 UTC](https://discourse.nodered.org/t/control-the-delay-node-with-input-from-dashboard/31994 "2020-08-26T06:43:16Z")

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I want to set "x" minutes and "y" minutes delay by using dashboard's numeric nodes. eg - if I set number 7 in the numeric node on the dashboard, the delay node will delay the messages for 7 minutes. The attached image …

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## [Influx + JSONata + Multiline Chart](https://discourse.nodered.org/t/influx-jsonata-multiline-chart/31860)

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**Author:** [@Cristiano](https://discourse.nodered.org/u/Cristiano)\
**Replies:** 9\
**Last updated:** [25 August 2020 21:54 UTC](https://discourse.nodered.org/t/influx-jsonata-multiline-chart/31860 "2020-08-25T21:54:16Z")

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Hello, Im trying to show in dashboard a multiline chart....im getting data from influx (in raw mode), and use Jsonata to show in chart....LINK I dont know if my method is the best for that... My difficulty is how to m…

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## [What happens to Context value if you delete the flow (storing to Filesystem)](https://discourse.nodered.org/t/what-happens-to-context-value-if-you-delete-the-flow-storing-to-filesystem/31995)

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**Author:** [@Raul\_77](https://discourse.nodered.org/u/Raul_77)\
**Replies:** 6\
**Last updated:** [25 August 2020 21:06 UTC](https://discourse.nodered.org/t/what-happens-to-context-value-if-you-delete-the-flow-storing-to-filesystem/31995 "2020-08-25T21:06:15Z")

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Hey guys, I have my context values stored in filesystem (modified the settings.json) anyway, my question is: If i have stuff stored in flow.context etc and DELETE the flow from Node-Red UI. What happens to the value o…

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## [WebSocket Multiple data sends at once](https://discourse.nodered.org/t/websocket-multiple-data-sends-at-once/32007)

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**Author:** [@Newbie01](https://discourse.nodered.org/u/Newbie01)\
**Replies:** 1\
**Last updated:** [25 August 2020 20:55 UTC](https://discourse.nodered.org/t/websocket-multiple-data-sends-at-once/32007 "2020-08-25T20:55:19Z")

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Not shure if this is a node red question or html. But I am trying to send data to a webpage when an update occurs it is working as is but "document.getElementById" will only pull one value at a time and the other values …

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## [Sending multiple modbus data values to SQL Server (Azure) in one stored procedure](https://discourse.nodered.org/t/sending-multiple-modbus-data-values-to-sql-server-azure-in-one-stored-procedure/30488)

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**Author:** [@ermanish533](https://discourse.nodered.org/u/ermanish533)\
**Replies:** 23\
**Last updated:** [25 August 2020 20:52 UTC](https://discourse.nodered.org/t/sending-multiple-modbus-data-values-to-sql-server-azure-in-one-stored-procedure/30488 "2020-08-25T20:52:18Z")

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Hello friends, I have prepared one flow where I am reading Energy Meter data through TCP. I have used Modbus node and sending data to Azure Database. with MSSQL-UCG node. I am reading total 11 parameters from the mete…

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## [Device State Information (Probably just MQTT novice issue)](https://discourse.nodered.org/t/device-state-information-probably-just-mqtt-novice-issue/31967)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 8\
**Last updated:** [25 August 2020 20:06 UTC](https://discourse.nodered.org/t/device-state-information-probably-just-mqtt-novice-issue/31967 "2020-08-25T20:06:39Z")

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I am housing all of my Smarthome logic in Node-Red. I control devices connected to Zigbee2MQTT, Homebridge, and Hubitat there. A simple example of something I am looking to do is as follows: When a button is pushed to…

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## [42/5000 How to send Node-red data to thinger.io](https://discourse.nodered.org/t/42-5000-how-to-send-node-red-data-to-thinger-io/31999)

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**Author:** [@edw](https://discourse.nodered.org/u/edw)\
**Replies:** 0\
**Last updated:** [25 August 2020 19:36 UTC](https://discourse.nodered.org/t/42-5000-how-to-send-node-red-data-to-thinger-io/31999 "2020-08-25T19:36:04Z")

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How can I send Node-red data via thiger library in node-red to thinger.io

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## [MQTT Sparkplug decoder/encoder](https://discourse.nodered.org/t/mqtt-sparkplug-decoder-encoder/31998)

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**Author:** [@mcjohnson777](https://discourse.nodered.org/u/mcjohnson777)\
**Replies:** 0\
**Last updated:** [25 August 2020 18:55 UTC](https://discourse.nodered.org/t/mqtt-sparkplug-decoder-encoder/31998 "2020-08-25T18:55:40Z")

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I have installed the palette node-red-contrib-protobuf in Node Red. I placed the sparkpug\_b.proto in a directory and used that directory path and file name. After deploying the flow, I get the following error: "No .prot…

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## [How to get data with JSON from inverter](https://discourse.nodered.org/t/how-to-get-data-with-json-from-inverter/31984)

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**Author:** [@rguita](https://discourse.nodered.org/u/rguita)\
**Replies:** 10\
**Last updated:** [25 August 2020 17:43 UTC](https://discourse.nodered.org/t/how-to-get-data-with-json-from-inverter/31984 "2020-08-25T17:43:20Z")

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I~m pretty new with programming languages, Nod red and JSON. I want to get data from a SMA Webbox with "JSON". I already created a couple of nodes (inject node -\> change node -\> http request node -\> debug) has per \[Cybe…

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## [Node-Red UI elements not updating on some browsers](https://discourse.nodered.org/t/node-red-ui-elements-not-updating-on-some-browsers/15702)

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**Author:** [@scorbin](https://discourse.nodered.org/u/scorbin)\
**Replies:** 7\
**Last updated:** [25 August 2020 16:15 UTC](https://discourse.nodered.org/t/node-red-ui-elements-not-updating-on-some-browsers/15702 "2020-08-25T16:15:37Z")

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I have a UI that I have created that is simply two button nodes. Depending on a signal derived from an IOT device the button changes its label and background color. Everything works as it should usually but I have noti…

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## [How to delete published node from flow-library?](https://discourse.nodered.org/t/how-to-delete-published-node-from-flow-library/31981)

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**Author:** [@x454211277](https://discourse.nodered.org/u/x454211277)\
**Replies:** 2\
**Last updated:** [25 August 2020 16:01 UTC](https://discourse.nodered.org/t/how-to-delete-published-node-from-flow-library/31981 "2020-08-25T16:01:04Z")

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I am sorry, I have published a misnamed node. How can I delete it？ https://flows.nodered.org/node/node-red-larkea-local-device

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## [ADLINK Vizi-AI OpenVINO Edge Vision "who let the dogs out"](https://discourse.nodered.org/t/adlink-vizi-ai-openvino-edge-vision-who-let-the-dogs-out/31777)

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**Author:** [@goto50](https://discourse.nodered.org/u/goto50)\
**Replies:** 1\
**Last updated:** [25 August 2020 13:32 UTC](https://discourse.nodered.org/t/adlink-vizi-ai-openvino-edge-vision-who-let-the-dogs-out/31777 "2020-08-25T13:32:47Z")

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The Vizi-AI Devkit enables you to get started very easily and scale into production by replicating the profile that you have created with your software configuration and AI models onto multiple devices. We have added No…

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## [Set Object name from msg.topic?](https://discourse.nodered.org/t/set-object-name-from-msg-topic/31987)

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**Author:** [@Brew](https://discourse.nodered.org/u/Brew)\
**Replies:** 2\
**Last updated:** [25 August 2020 13:29 UTC](https://discourse.nodered.org/t/set-object-name-from-msg-topic/31987 "2020-08-25T13:29:29Z")

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Hi All, I'm banging my head with this and I'm sure the answer is obvious but I can't find the search term or work it out. I'm pinging a series of devices with the ping node I want to create a message object that contain…

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## [Node-red-contrib-pdfjs, no output](https://discourse.nodered.org/t/node-red-contrib-pdfjs-no-output/31969)

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**Author:** [@ArneR](https://discourse.nodered.org/u/ArneR)\
**Replies:** 5\
**Last updated:** [25 August 2020 12:01 UTC](https://discourse.nodered.org/t/node-red-contrib-pdfjs-no-output/31969 "2020-08-25T12:01:49Z")

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Hey I am trying to convert a pdf to text. I can already set up the PDf filename. However, I am not able to convert the PDF to text. I am using "node-red-contrib-pdfjs" but I am not getting any output. What am I doing…

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## [Control the rules of Switch node with input from dashboard.](https://discourse.nodered.org/t/control-the-rules-of-switch-node-with-input-from-dashboard/31948)

<div class="topic-metadata">

**Author:** [@Kushal](https://discourse.nodered.org/u/Kushal)\
**Replies:** 4\
**Last updated:** [25 August 2020 09:57 UTC](https://discourse.nodered.org/t/control-the-rules-of-switch-node-with-input-from-dashboard/31948 "2020-08-25T09:57:18Z")

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I have a switch node, which has 2 rules. Its checks whether Sensor value \<= X(number) Sensor value \>= Y(number) I wish to set the X and Y with the Dashboard Numeric node. So that I will set the value of X and Y to any…

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## [Can't clear text in text input node of mdashboard](https://discourse.nodered.org/t/cant-clear-text-in-text-input-node-of-mdashboard/31974)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 2\
**Last updated:** [25 August 2020 09:27 UTC](https://discourse.nodered.org/t/cant-clear-text-in-text-input-node-of-mdashboard/31974 "2020-08-25T09:27:01Z")

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I am using node-red-contrib-mdashboard (this is not the standard Node-RED dashboard !) Problem: I want to clear my text input by clicking on a button that is sending an empty string as payload to this text input node. …

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