# Latest

**URL:** https://discourse.nodered.org/latest.md?page=544

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

**Page:** 545

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## [How do I know the the type of value of the node?](https://discourse.nodered.org/t/how-do-i-know-the-the-type-of-value-of-the-node/64471)

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**Author:** [@Bingchilling](https://discourse.nodered.org/u/Bingchilling)\
**Replies:** 3\
**Last updated:** [28 June 2022 16:28 UTC](https://discourse.nodered.org/t/how-do-i-know-the-the-type-of-value-of-the-node/64471 "2022-06-28T16:28:01Z")

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Hello, I have to use a node with this definition: SensorInput: A node that allows to receive sensor Inputs from the SmartFactory. This nodes outputs the new sensor value whenever the selected sensor publishes a new v…

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## [Old topic now new, chart line colorization?](https://discourse.nodered.org/t/old-topic-now-new-chart-line-colorization/64315)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 9\
**Last updated:** [28 June 2022 15:28 UTC](https://discourse.nodered.org/t/old-topic-now-new-chart-line-colorization/64315 "2022-06-28T15:28:39Z")

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Old topic now new, chart line colorization? Spent considerable time reading many threads on how to colorize series lines in ui\_chart nodes. And I am stumped at the moment. As I understand it, I should be able to add a…

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## [How to add two function blocks?](https://discourse.nodered.org/t/how-to-add-two-function-blocks/64467)

<div class="topic-metadata">

**Author:** [@EduardoSodre](https://discourse.nodered.org/u/EduardoSodre)\
**Replies:** 3\
**Last updated:** [28 June 2022 15:02 UTC](https://discourse.nodered.org/t/how-to-add-two-function-blocks/64467 "2022-06-28T15:02:10Z")

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Good morning everyone, I have to add two function blocks, can anyone help me? Here's a print of my problem. Thank you for your attention.

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## [Omron NJ OPC UA write to the PLC not working](https://discourse.nodered.org/t/omron-nj-opc-ua-write-to-the-plc-not-working/64446)

<div class="topic-metadata">

**Author:** [@AMSMARTINS](https://discourse.nodered.org/u/AMSMARTINS)\
**Replies:** 8\
**Last updated:** [28 June 2022 14:38 UTC](https://discourse.nodered.org/t/omron-nj-opc-ua-write-to-the-plc-not-working/64446 "2022-06-28T14:38:54Z")

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Hi all. After trying everything , I get into a dead end. I know there is some similar topics on this forum but I tried everything and so far no luck to get the OPCUA to write values into the plc. I tried with the OCPU…

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## [Sending and "recycling" messages to LCD screen](https://discourse.nodered.org/t/sending-and-recycling-messages-to-lcd-screen/64423)

<div class="topic-metadata">

**Author:** [@hiase](https://discourse.nodered.org/u/hiase)\
**Replies:** 5\
**Last updated:** [28 June 2022 14:19 UTC](https://discourse.nodered.org/t/sending-and-recycling-messages-to-lcd-screen/64423 "2022-06-28T14:19:18Z")

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Hello! I have a project where I send messages from Domoticz home automation system to 4x20 LCD screen connected to ESP8266 microcontroller. I use MQTT and Node-RED to get the messages shown on the LCD screen. My node str…

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## [Forms widget doesn't pick the right date](https://discourse.nodered.org/t/forms-widget-doesnt-pick-the-right-date/64441)

<div class="topic-metadata">

**Author:** [@kvramji](https://discourse.nodered.org/u/kvramji)\
**Replies:** 11\
**Last updated:** [28 June 2022 14:00 UTC](https://discourse.nodered.org/t/forms-widget-doesnt-pick-the-right-date/64441 "2022-06-28T14:00:27Z")

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Not sure why, but the date picker on the forms node in dashboard doesn't pick the date i select. Is anyone else seeing this? I choose today's date from the date picker and debug node says yesterdays date ! Here's w…

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## [Dashboard issue with use on two devices](https://discourse.nodered.org/t/dashboard-issue-with-use-on-two-devices/63422)

<div class="topic-metadata">

**Author:** [@holazit](https://discourse.nodered.org/u/holazit)\
**Replies:** 1\
**Last updated:** [28 June 2022 13:36 UTC](https://discourse.nodered.org/t/dashboard-issue-with-use-on-two-devices/63422 "2022-06-28T13:36:21Z")

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Hi! I use the dashboard on two devices (tablet and smartphone) and I have a tab with the interface optimized for the tablet and one for the smartphone. When I press a button the MQTT function is executed but the state of…

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## [Node js version](https://discourse.nodered.org/t/node-js-version/64434)

<div class="topic-metadata">

**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 5\
**Last updated:** [28 June 2022 13:20 UTC](https://discourse.nodered.org/t/node-js-version/64434 "2022-06-28T13:20:33Z")

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Updated one pi 4 to the latest node js and to my horror it says I'm at ver 17.1. Other than breaking one node it seems to run. Should I panic and run in tight little circles or should I be relatively OK as it seems node …

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## [Help needed, Node-red crashed!](https://discourse.nodered.org/t/help-needed-node-red-crashed/64462)

<div class="topic-metadata">

**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 7\
**Last updated:** [28 June 2022 12:37 UTC](https://discourse.nodered.org/t/help-needed-node-red-crashed/64462 "2022-06-28T12:37:33Z")

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After more the a year of working with node-red. Now all over sudden, Node-red chrashed. Can anyone help me with a solution?? :~ $ node-red 28 Jun 14:01:19 - \[info\] Welcome to Node-RED =================== 28 Jun 14:01…

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## [Showing several complex values (realpart + i\*imagin part) in a cartesian or an polar coordinate system](https://discourse.nodered.org/t/showing-several-complex-values-realpart-i-imagin-part-in-a-cartesian-or-an-polar-coordinate-system/64429)

<div class="topic-metadata">

**Author:** [@Tetrastruct](https://discourse.nodered.org/u/Tetrastruct)\
**Replies:** 8\
**Last updated:** [28 June 2022 12:32 UTC](https://discourse.nodered.org/t/showing-several-complex-values-realpart-i-imagin-part-in-a-cartesian-or-an-polar-coordinate-system/64429 "2022-06-28T12:32:27Z")

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Hello, I am quite new here and i am working with ST32cubeMonitor. I urgently need a possibility to show several oscillating values in a complex y over x version. Is there any possibility to make such a module by myself…

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## [MQTT Node frequently connect disconnect with azure iothub](https://discourse.nodered.org/t/mqtt-node-frequently-connect-disconnect-with-azure-iothub/64420)

<div class="topic-metadata">

**Author:** [@ibsoftweb](https://discourse.nodered.org/u/ibsoftweb)\
**Replies:** 6\
**Last updated:** [28 June 2022 12:24 UTC](https://discourse.nodered.org/t/mqtt-node-frequently-connect-disconnect-with-azure-iothub/64420 "2022-06-28T12:24:34Z")

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Hello Experts I am facing issue mqtt connection issue. I am creating mqtt object in function node, I dont see way to disconnect or destroy mqtt connection, on redeploy of flow when I try connect method its get connected…

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## [KNX Device Node reads instead of write](https://discourse.nodered.org/t/knx-device-node-reads-instead-of-write/64453)

<div class="topic-metadata">

**Author:** [@Nilpferd](https://discourse.nodered.org/u/Nilpferd)\
**Replies:** 0\
**Last updated:** [28 June 2022 10:21 UTC](https://discourse.nodered.org/t/knx-device-node-reads-instead-of-write/64453 "2022-06-28T10:21:16Z")

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Some KNX device nodes working fine in writing the information to the KNX bus. But one ist always reading the bus, even in edit the node WRITE is defined, Any idea what to change? hotwater.json (7.3 KB) When I switch th…

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## [Giving Device unactive status after not recieving message for period of time](https://discourse.nodered.org/t/giving-device-unactive-status-after-not-recieving-message-for-period-of-time/64447)

<div class="topic-metadata">

**Author:** [@Samokomo](https://discourse.nodered.org/u/Samokomo)\
**Replies:** 2\
**Last updated:** [28 June 2022 10:00 UTC](https://discourse.nodered.org/t/giving-device-unactive-status-after-not-recieving-message-for-period-of-time/64447 "2022-06-28T10:00:30Z")

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Hello. I might use some help. I am recieving batches of Wi-Fi data which I than filter by MAC adress and define position of each device etc. The thing is I need to mark unactive devices. For example I recieve msgs lik…

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## [CSV string values containing new lines](https://discourse.nodered.org/t/csv-string-values-containing-new-lines/64437)

<div class="topic-metadata">

**Author:** [@RobC](https://discourse.nodered.org/u/RobC)\
**Replies:** 1\
**Last updated:** [28 June 2022 08:50 UTC](https://discourse.nodered.org/t/csv-string-values-containing-new-lines/64437 "2022-06-28T08:50:12Z")

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Hi all, just doing some tests with CSV and I notice that for string object values including commas it will put quotes around the value, but if there is a string containing a new line (e.g.) it doesn't. This has some st…

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## [Coding help to my project tyia](https://discourse.nodered.org/t/coding-help-to-my-project-tyia/64416)

<div class="topic-metadata">

**Author:** [@BeRo](https://discourse.nodered.org/u/BeRo)\
**Replies:** 1\
**Last updated:** [27 June 2022 13:22 UTC](https://discourse.nodered.org/t/coding-help-to-my-project-tyia/64416 "2022-06-27T13:22:15Z")

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Hello i'm new to node red and in need of assistance with a current project of mine. Is the first image using a debug node I was generating strings of data with what the CM and status of my sensor are and I want to sav…

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## [MQTT disconnected but still sends messages](https://discourse.nodered.org/t/mqtt-disconnected-but-still-sends-messages/64352)

<div class="topic-metadata">

**Author:** [@mczakk](https://discourse.nodered.org/u/mczakk)\
**Replies:** 4\
**Last updated:** [28 June 2022 07:48 UTC](https://discourse.nodered.org/t/mqtt-disconnected-but-still-sends-messages/64352 "2022-06-28T07:48:36Z")

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I am running node-red on a brand new pi 4, so completely up to date software. My mqtt node shows as disconnected, but is still sending messages. screenshot shows the flow with debug with messages at 11:16 onwards and th…

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## [How to decode an "Access Token" received from Authorization Server like Keycloak?](https://discourse.nodered.org/t/how-to-decode-an-access-token-received-from-authorization-server-like-keycloak/63044)

<div class="topic-metadata">

**Author:** [@Nirajan](https://discourse.nodered.org/u/Nirajan)\
**Replies:** 9\
**Last updated:** [28 June 2022 07:41 UTC](https://discourse.nodered.org/t/how-to-decode-an-access-token-received-from-authorization-server-like-keycloak/63044 "2022-06-28T07:41:59Z")

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Hi Everyone, I am building an API in Node-Red and i would like to protect the API using Keycloak. I am calling the API from Postman where i could provide authorization data like (Grant Type, Access Token URL, Client ID…

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## [Node date picker y mysql](https://discourse.nodered.org/t/node-date-picker-y-mysql/64372)

<div class="topic-metadata">

**Author:** [@JuanVA](https://discourse.nodered.org/u/JuanVA)\
**Replies:** 5\
**Last updated:** [27 June 2022 21:19 UTC](https://discourse.nodered.org/t/node-date-picker-y-mysql/64372 "2022-06-27T21:19:30Z")

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Good everyone, Someone for the doubts can guide me on how to use the node "date picker" and mysql or if you have any example already made to guide me from that, is that I need to do a data filtering from a date "x" to a …

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## [Visualization in dashboard TEMPLATE](https://discourse.nodered.org/t/visualization-in-dashboard-template/64306)

<div class="topic-metadata">

**Author:** [@LilGrundy](https://discourse.nodered.org/u/LilGrundy)\
**Replies:** 11\
**Last updated:** [27 June 2022 20:15 UTC](https://discourse.nodered.org/t/visualization-in-dashboard-template/64306 "2022-06-27T20:15:13Z")

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Good morning, today I was practicing with node red, and a doubt arose, it turns out that the UI template has an html code of a table to display mysql data, it happens that the date comes out fine but the time does not co…

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## [Http request node issue](https://discourse.nodered.org/t/http-request-node-issue/64431)

<div class="topic-metadata">

**Author:** [@fallenshadow1](https://discourse.nodered.org/u/fallenshadow1)\
**Replies:** 0\
**Last updated:** [27 June 2022 18:46 UTC](https://discourse.nodered.org/t/http-request-node-issue/64431 "2022-06-27T18:46:58Z")

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Hi there. I was using the http request node to perform a get request with basic authorization in Node-Red v1.2.7 and I get a good response back. I have another installation of Node-Red at v2.2.2 and I tried the exact sam…

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## [Dashboard styles override](https://discourse.nodered.org/t/dashboard-styles-override/64424)

<div class="topic-metadata">

**Author:** [@Kundepuu](https://discourse.nodered.org/u/Kundepuu)\
**Replies:** 3\
**Last updated:** [27 June 2022 15:41 UTC](https://discourse.nodered.org/t/dashboard-styles-override/64424 "2022-06-27T15:41:25Z")

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My chart tooltips of series colors are not same as those are coded in chart code (html file) like red,blue and yellow, but in dashboard thosey are all blue. How to fix ? chart code in template \<style\> #char…

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## [High CPU usage when extracting I-frames from an RTSP stream](https://discourse.nodered.org/t/high-cpu-usage-when-extracting-i-frames-from-an-rtsp-stream/64034)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 22\
**Last updated:** [27 June 2022 15:27 UTC](https://discourse.nodered.org/t/high-cpu-usage-when-extracting-i-frames-from-an-rtsp-stream/64034 "2022-06-27T15:27:02Z")

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Hi folks, Finally I did buy some decent camera's... Handling the RTSP stream - from a cam that sends H.264 for video and AAC for audio - works like a charm, since no re-encoding is required. Almost no cpu usage! But …

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## [\[ANNOUNCEMENT\] : node-red-contrib-zwave-js V7](https://discourse.nodered.org/t/announcement-node-red-contrib-zwave-js-v7/62305)

<div class="topic-metadata">

**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 53\
**Last updated:** [27 June 2022 14:29 UTC](https://discourse.nodered.org/t/announcement-node-red-contrib-zwave-js-v7/62305 "2022-06-27T14:29:28Z")

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node-red-contrib-zwave-js V7 After various discussions, ~3 months of work, 51 commits, 34 updated source files, various Alpha and Beta testing stages (thank you to those involved): I am excited to announce the availabi…

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## [Move a measurementValue to a msg.payload using its measurementTypeID](https://discourse.nodered.org/t/move-a-measurementvalue-to-a-msg-payload-using-its-measurementtypeid/64422)

<div class="topic-metadata">

**Author:** [@zouhir](https://discourse.nodered.org/u/zouhir)\
**Replies:** 2\
**Last updated:** [27 June 2022 14:09 UTC](https://discourse.nodered.org/t/move-a-measurementvalue-to-a-msg-payload-using-its-measurementtypeid/64422 "2022-06-27T14:09:08Z")

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Hi, I'm trying to move a measurementValue I'm getting from a HTTP request to a msg.payload using its measurementTypeID, take a look at the below screenshot for better understanding.

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## [Install contrib-opcua offline](https://discourse.nodered.org/t/install-contrib-opcua-offline/64413)

<div class="topic-metadata">

**Author:** [@madlen21](https://discourse.nodered.org/u/madlen21)\
**Replies:** 10\
**Last updated:** [27 June 2022 13:07 UTC](https://discourse.nodered.org/t/install-contrib-opcua-offline/64413 "2022-06-27T13:07:36Z")

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Hi, I am on a project getting data from a PLC over OPCUA to a SQL Server. Therefor i wanted to use NodeRed. The RemotePC where i can connect to the OPCUA does not have an active internet connection. I already finished t…

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## [Smooth Node incoming data](https://discourse.nodered.org/t/smooth-node-incoming-data/64412)

<div class="topic-metadata">

**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 2\
**Last updated:** [27 June 2022 12:57 UTC](https://discourse.nodered.org/t/smooth-node-incoming-data/64412 "2022-06-27T12:57:49Z")

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I would like to use the smooth node to get the std deviation. I have a string of data, similar to this one but with 32 values, streamed every 10 seconds: 12.747:12.884:12.672:12.909 Is there a way to pass all 32 val…

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## [Send data from Node red to UI Builder](https://discourse.nodered.org/t/send-data-from-node-red-to-ui-builder/64401)

<div class="topic-metadata">

**Author:** [@Sai](https://discourse.nodered.org/u/Sai)\
**Replies:** 14\
**Last updated:** [27 June 2022 09:17 UTC](https://discourse.nodered.org/t/send-data-from-node-red-to-ui-builder/64401 "2022-06-27T09:17:03Z")

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Hi, Hope you guys are doing well. I have been following the threads related to Soket.io, so that data from Node red could be sent to UI Builder. Currently Im facing a problem related to get the data in UI Builder. I co…

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## [Node-red-contrib-huemagic slow](https://discourse.nodered.org/t/node-red-contrib-huemagic-slow/64411)

<div class="topic-metadata">

**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 0\
**Last updated:** [27 June 2022 11:06 UTC](https://discourse.nodered.org/t/node-red-contrib-huemagic-slow/64411 "2022-06-27T11:06:40Z")

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Hi! I have a Philips Hue Bridge when I control it via Node Red (switch light on and off) it sometimes takes 5-10 drops before the command is executed. In Node Red very just run command. What could that be? Network is OK…

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## [Audio out on iOS (update?)](https://discourse.nodered.org/t/audio-out-on-ios-update/64394)

<div class="topic-metadata">

**Author:** [@DanielEcheverri](https://discourse.nodered.org/u/DanielEcheverri)\
**Replies:** 3\
**Last updated:** [27 June 2022 08:51 UTC](https://discourse.nodered.org/t/audio-out-on-ios-update/64394 "2022-06-27T08:51:25Z")

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Hi everyone.Right now I am working on a fairly complex flow which, in a very general way, depending on two variables sent by a device, an audio file hosted in a web server is played in the dashboard. I am using the HTTP …

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## [Pass an Access Token to a Function Node](https://discourse.nodered.org/t/pass-an-access-token-to-a-function-node/64391)

<div class="topic-metadata">

**Author:** [@zouhir](https://discourse.nodered.org/u/zouhir)\
**Replies:** 2\
**Last updated:** [27 June 2022 05:29 UTC](https://discourse.nodered.org/t/pass-an-access-token-to-a-function-node/64391 "2022-06-27T05:29:27Z")

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Hi, I hope this finds you well. I'm GETTING an Access Token by calling a RestAPI through an HTTP request, then I'm extracting that Access Token to a msg.payload, I'd like to know how I can pass that Bearer Token to a Fu…

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