# Latest

**URL:** https://discourse.nodered.org/latest.md?page=306

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

**Page:** 307

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## [Issue with Real-Time Data Reading from MQTT Node - Unable to Display Graph](https://discourse.nodered.org/t/issue-with-real-time-data-reading-from-mqtt-node-unable-to-display-graph/80870)

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**Author:** [@Asiayqyyq](https://discourse.nodered.org/u/Asiayqyyq)\
**Replies:** 22\
**Last updated:** [31 August 2023 19:01 UTC](https://discourse.nodered.org/t/issue-with-real-time-data-reading-from-mqtt-node-unable-to-display-graph/80870 "2023-08-31T19:01:53Z")

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Hello, I'm facing a challenge while trying to display a real-time graph based on data retrieved from an MQTT node in Node-RED. My approach involves reading data from the MQTT node and transforming it into the appropriat…

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## [Home Monitoring](https://discourse.nodered.org/t/home-monitoring/80952)

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**Author:** [@Delle](https://discourse.nodered.org/u/Delle)\
**Replies:** 2\
**Last updated:** [31 August 2023 16:59 UTC](https://discourse.nodered.org/t/home-monitoring/80952 "2023-08-31T16:59:49Z")

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(Excuse my English) Maybe someone will be interested. My path to Node-Red as a home monitoring platform. The year before last, I decided to enter the energy transition and purchase a PV system and a heat pump. Curiousl…

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## [Flow context '#hash' key name can't be deleted](https://discourse.nodered.org/t/flow-context-hash-key-name-cant-be-deleted/80945)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 2\
**Last updated:** [31 August 2023 13:46 UTC](https://discourse.nodered.org/t/flow-context-hash-key-name-cant-be-deleted/80945 "2023-08-31T13:46:04Z")

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Hi There! I started using '#rgb' values as keys in the flow context and discovered that there is issue with deleting those keys via the context pane. I can set the value flow.set('#123456', { ... }) in a function node,…

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## [Add date to 'save to file' node](https://discourse.nodered.org/t/add-date-to-save-to-file-node/993)

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**Author:** [@ardv](https://discourse.nodered.org/u/ardv)\
**Replies:** 12\
**Last updated:** [31 August 2023 11:45 UTC](https://discourse.nodered.org/t/add-date-to-save-to-file-node/993 "2023-08-31T11:45:01Z")

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Hello, i want that the ‘save to file’ node uses the current date in the filename, so i added function in which i add ‘date’ property to the msg, and then in the save node i wrote: “{{msg.date}}.csv”, but the node is not…

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## [Cron-plus: track connections on schedule list move](https://discourse.nodered.org/t/cron-plus-track-connections-on-schedule-list-move/80943)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 2\
**Last updated:** [31 August 2023 11:23 UTC](https://discourse.nodered.org/t/cron-plus-track-connections-on-schedule-list-move/80943 "2023-08-31T11:23:34Z")

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Hi There! I think I found an inconsistency in cron-plus compared to switch node and I'm not sure whether it's desired or not. If I have multiple outputs in a switch and I move the conditions around in the list: the …

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## [Problems understanding and implementing Persistent Storage](https://discourse.nodered.org/t/problems-understanding-and-implementing-persistent-storage/80527)

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**Author:** [@UmbraLimi](https://discourse.nodered.org/u/UmbraLimi)\
**Replies:** 42\
**Last updated:** [31 August 2023 10:25 UTC](https://discourse.nodered.org/t/problems-understanding-and-implementing-persistent-storage/80527 "2023-08-31T10:25:12Z")

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I'm having trouble understanding how to achieve the following: I have a set of 15 global variables that I'd like to have restored after a system restart. I have the following section added to the settings,js file: cont…

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## [Modufying the Node-RED editor and appearence of nodes](https://discourse.nodered.org/t/modufying-the-node-red-editor-and-appearence-of-nodes/80941)

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**Author:** [@BHATURA69](https://discourse.nodered.org/u/BHATURA69)\
**Replies:** 3\
**Last updated:** [31 August 2023 10:07 UTC](https://discourse.nodered.org/t/modufying-the-node-red-editor-and-appearence-of-nodes/80941 "2023-08-31T10:07:28Z")

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Switch Node UI Change - i am new to node-red, i want to change the UI of all the nodes, but to start with can someone tell me how to change the UI of the switch node to match the screenshot that i uploaded

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## [How to manage data cache when disconnected from the Cloud](https://discourse.nodered.org/t/how-to-manage-data-cache-when-disconnected-from-the-cloud/80882)

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**Author:** [@Federica](https://discourse.nodered.org/u/Federica)\
**Replies:** 2\
**Last updated:** [31 August 2023 08:14 UTC](https://discourse.nodered.org/t/how-to-manage-data-cache-when-disconnected-from-the-cloud/80882 "2023-08-31T08:14:10Z")

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Hi everyone, is there a way to manage the data to be sent to the Cloud in case the system is disconnected from the network? For example, if we want to publish data on AWS via MQTT protocol, it is necessary to study how …

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## [Timer between node.send(msg1) and msg(2)](https://discourse.nodered.org/t/timer-between-node-send-msg1-and-msg-2/80936)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 1\
**Last updated:** [31 August 2023 07:10 UTC](https://discourse.nodered.org/t/timer-between-node-send-msg1-and-msg-2/80936 "2023-08-31T07:10:45Z")

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I am trying to inject a timer between TTS text for audible output. I have the following nodes set up to turn to set a variable and output a msg for audible on or off. I have noticed that it seems the initial executio…

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## [Nodered crashes ,when the node palette is not updated](https://discourse.nodered.org/t/nodered-crashes-when-the-node-palette-is-not-updated/80903)

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**Author:** [@franz](https://discourse.nodered.org/u/franz)\
**Replies:** 4\
**Last updated:** [31 August 2023 06:43 UTC](https://discourse.nodered.org/t/nodered-crashes-when-the-node-palette-is-not-updated/80903 "2023-08-31T06:43:10Z")

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When one of the nodes within the palette (photo above) requests to be updated, nodered no longer works.How could this be fixed? is there any command to automate the 'update?

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## [Fixed: Get data from Netatmo Weather Station](https://discourse.nodered.org/t/fixed-get-data-from-netatmo-weather-station/80917)

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**Author:** [@jpultar](https://discourse.nodered.org/u/jpultar)\
**Replies:** 8\
**Last updated:** [31 August 2023 06:42 UTC](https://discourse.nodered.org/t/fixed-get-data-from-netatmo-weather-station/80917 "2023-08-31T06:42:30Z")

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Hi Forum, I'm new to this forum and I want ask a first question. I try to get data from Netatmo Weather Station using Node-Red. Before Netatmo changed from "user/password" authentication to "oauth2" everything went we…

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## [Need Guidance on Integrating Node-RED OAuth API and MERN App Login](https://discourse.nodered.org/t/need-guidance-on-integrating-node-red-oauth-api-and-mern-app-login/80937)

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**Author:** [@HoussemGhabarou](https://discourse.nodered.org/u/HoussemGhabarou)\
**Replies:** 0\
**Last updated:** [30 August 2023 23:50 UTC](https://discourse.nodered.org/t/need-guidance-on-integrating-node-red-oauth-api-and-mern-app-login/80937 "2023-08-30T23:50:20Z")

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I've been working on a project involving a Node-RED flow that utilizes an OAuth API to obtain an access token. This token is then used along with a subscription key to access another API, retrieve data, and publish it to…

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## [Performance of function vs. contrib node](https://discourse.nodered.org/t/performance-of-function-vs-contrib-node/80873)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 15\
**Last updated:** [30 August 2023 23:49 UTC](https://discourse.nodered.org/t/performance-of-function-vs-contrib-node/80873 "2023-08-30T23:49:05Z")

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Hello, In a test app (checking data transfer performance), I need to generate a random string of 50000000 characters (the number may vary, but, it is of this kind of magnitude). I found this contrib node node-red-contr…

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## [Roborock S8 pro ultra](https://discourse.nodered.org/t/roborock-s8-pro-ultra/80895)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 5\
**Last updated:** [30 August 2023 22:33 UTC](https://discourse.nodered.org/t/roborock-s8-pro-ultra/80895 "2023-08-30T22:33:43Z")

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Hello! I have a roborock s8 pro ultra since today. Can I include this in Node red? Maybe someone has already done that. Thanks in advance.

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## [Record High/Low Temps for the day](https://discourse.nodered.org/t/record-high-low-temps-for-the-day/80929)

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**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 5\
**Last updated:** [30 August 2023 22:15 UTC](https://discourse.nodered.org/t/record-high-low-temps-for-the-day/80929 "2023-08-30T22:15:46Z")

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Hey All, I'm building a solar hot water heater and I'm measuring the temperature of the output water. I want to know what the hottest and lowest temps are in a day and reset those numbers at midnight. So far I've cre…

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## [Join node refuse to join msg](https://discourse.nodered.org/t/join-node-refuse-to-join-msg/80931)

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**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 2\
**Last updated:** [30 August 2023 20:56 UTC](https://discourse.nodered.org/t/join-node-refuse-to-join-msg/80931 "2023-08-30T20:56:31Z")

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What is may mistake? If it helps I can easily sen the export file. Thanks

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## [How to split flow after x payload characters?](https://discourse.nodered.org/t/how-to-split-flow-after-x-payload-characters/80830)

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**Author:** [@AleXSR700](https://discourse.nodered.org/u/AleXSR700)\
**Replies:** 21\
**Last updated:** [30 August 2023 17:06 UTC](https://discourse.nodered.org/t/how-to-split-flow-after-x-payload-characters/80830 "2023-08-30T17:06:18Z")

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Hello everyone, I have the following partial flow (original thread Problems with MQTT flow after Excel import and msg modifications - #8 by E1cid ) where I have an array that can contain a lot of characters. What I wou…

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## [3D Graph Visualization - Volumetric view](https://discourse.nodered.org/t/3d-graph-visualization-volumetric-view/80912)

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**Author:** [@spp](https://discourse.nodered.org/u/spp)\
**Replies:** 4\
**Last updated:** [30 August 2023 17:05 UTC](https://discourse.nodered.org/t/3d-graph-visualization-volumetric-view/80912 "2023-08-30T17:05:03Z")

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Hello everyone. I implemented a heat map in node-red using the template node. Each cell has a value and based on that value i have a color. Now for the next step i would like to have a volumetric view. So my initial th…

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## [Receiving TCP Data through an Ethernet Network Interface and Sending via Another Ethernet Network Interface or Wi-Fi](https://discourse.nodered.org/t/receiving-tcp-data-through-an-ethernet-network-interface-and-sending-via-another-ethernet-network-interface-or-wi-fi/80922)

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**Author:** [@CARR10483434946](https://discourse.nodered.org/u/CARR10483434946)\
**Replies:** 1\
**Last updated:** [30 August 2023 16:45 UTC](https://discourse.nodered.org/t/receiving-tcp-data-through-an-ethernet-network-interface-and-sending-via-another-ethernet-network-interface-or-wi-fi/80922 "2023-08-30T16:45:57Z")

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Hello, I would like to know if it is possible to receive TCP data using Node-RED through an Ethernet network connected to a network card on the computer and send it via TCP on another network connected to a different net…

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## [Threema Node: Path to SDK](https://discourse.nodered.org/t/threema-node-path-to-sdk/80913)

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**Author:** [@My\_Millenium](https://discourse.nodered.org/u/My_Millenium)\
**Replies:** 2\
**Last updated:** [30 August 2023 15:20 UTC](https://discourse.nodered.org/t/threema-node-path-to-sdk/80913 "2023-08-30T15:20:34Z")

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Hey, can anyone help me with the Threema-Node? I have Node-Red running in a Docker-Container on a Synology DS918. I have installed the Threema-SDK, I have the public key, the private key, the secret of the API and I h…

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## [Interview failed](https://discourse.nodered.org/t/interview-failed/80915)

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**Author:** [@daak](https://discourse.nodered.org/u/daak)\
**Replies:** 0\
**Last updated:** [30 August 2023 14:54 UTC](https://discourse.nodered.org/t/interview-failed/80915 "2023-08-30T14:54:29Z")

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I created a program to drive 200 air conditioners with z wave but I get this message every time and I can't change the IR code in the remotec nodes.

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## [Mixed configuration property or optional?](https://discourse.nodered.org/t/mixed-configuration-property-or-optional/80909)

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**Author:** [@FezVrasta](https://discourse.nodered.org/u/FezVrasta)\
**Replies:** 2\
**Last updated:** [30 August 2023 14:44 UTC](https://discourse.nodered.org/t/mixed-configuration-property-or-optional/80909 "2023-08-30T14:44:10Z")

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Hi, I need to allow my node to accept one configuration node, but I want it to be one of many types. I have matter-server and matter-aggregator and I would like the server property of my node to accept one from either l…

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## [What is the QoS parameter of the mqtt in node?](https://discourse.nodered.org/t/what-is-the-qos-parameter-of-the-mqtt-in-node/80896)

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**Author:** [@AndreKR](https://discourse.nodered.org/u/AndreKR)\
**Replies:** 5\
**Last updated:** [30 August 2023 07:12 UTC](https://discourse.nodered.org/t/what-is-the-qos-parameter-of-the-mqtt-in-node/80896 "2023-08-30T07:12:49Z")

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I don't understand the meaning of the QoS parameter in the mqtt in node. Is it some kind of filter?

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## [Un-deprecate "string or buffer" autodetection in mqtt-in node](https://discourse.nodered.org/t/un-deprecate-string-or-buffer-autodetection-in-mqtt-in-node/80897)

<div class="topic-metadata">

**Author:** [@AndreKR](https://discourse.nodered.org/u/AndreKR)\
**Replies:** 7\
**Last updated:** [30 August 2023 13:51 UTC](https://discourse.nodered.org/t/un-deprecate-string-or-buffer-autodetection-in-mqtt-in-node/80897 "2023-08-30T13:51:11Z")

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In MQTT in node auto-detect mode should include trying to parse JSON · Issue #3410 · node-red/node-red · GitHub (by @dceejay and @knolleary) the ability to auto-detect and parse JSON in an MQTT message was added. At the …

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## [When deploying in any flow Fritz!Box server issue a lot of "Device not ready" msg](https://discourse.nodered.org/t/when-deploying-in-any-flow-fritz-box-server-issue-a-lot-of-device-not-ready-msg/80828)

<div class="topic-metadata">

**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 14\
**Last updated:** [30 August 2023 12:09 UTC](https://discourse.nodered.org/t/when-deploying-in-any-flow-fritz-box-server-issue-a-lot-of-device-not-ready-msg/80828 "2023-08-30T12:09:11Z")

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This happens for may be 5sec then flooding stops and it never comes back .... except I deploy anything again. The rest works fine! Any idea how to get rid of this flodding?

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## [Home Assistant, integrate a Node red web page, is it possible?](https://discourse.nodered.org/t/home-assistant-integrate-a-node-red-web-page-is-it-possible/80858)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 10\
**Last updated:** [30 August 2023 12:09 UTC](https://discourse.nodered.org/t/home-assistant-integrate-a-node-red-web-page-is-it-possible/80858 "2023-08-30T12:09:35Z")

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Hello everyone. From Home Assistant I can integrate a grafana web page. Indeed, there is a parameter in grafana.ini "allow\_embedding to true" which allows integration into another site. But is this possible with Nodere…

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## [Control current DPM8624 depending on mains supply](https://discourse.nodered.org/t/control-current-dpm8624-depending-on-mains-supply/80905)

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**Author:** [@noah3112](https://discourse.nodered.org/u/noah3112)\
**Replies:** 0\
**Last updated:** [30 August 2023 09:23 UTC](https://discourse.nodered.org/t/control-current-dpm8624-depending-on-mains-supply/80905 "2023-08-30T09:23:17Z")

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Actually a simple task but I do not know how to implement it. Maybe you have some tips for me. I would like to control the current of the DPM824 (0...24A) depending on the mains supply, which should be as close to zero w…

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## [Send and receive emails using @sinch/node-red-mailgun](https://discourse.nodered.org/t/send-and-receive-emails-using-sinch-node-red-mailgun/80904)

<div class="topic-metadata">

**Author:** [@Hartzell](https://discourse.nodered.org/u/Hartzell)\
**Replies:** 0\
**Last updated:** [30 August 2023 09:02 UTC](https://discourse.nodered.org/t/send-and-receive-emails-using-sinch-node-red-mailgun/80904 "2023-08-30T09:02:34Z")

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Sinch has just released a third package of nodes. This time, a package of nodes integrating with Mailgun API. These nodes enables you to send and receive emails through the Mailgun API. The Mailgun package consists of t…

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## [The NR script -help option apparently unsupported](https://discourse.nodered.org/t/the-nr-script-help-option-apparently-unsupported/80890)

<div class="topic-metadata">

**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 2\
**Last updated:** [30 August 2023 08:03 UTC](https://discourse.nodered.org/t/the-nr-script-help-option-apparently-unsupported/80890 "2023-08-30T08:03:12Z")

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To upgrade NR from 2 to 3 to test the MATTER node I used the script. bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) Of course it left my nodejs at 14 w…

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## [Dashboard bar chart data node not working, error](https://discourse.nodered.org/t/dashboard-bar-chart-data-node-not-working-error/80898)

<div class="topic-metadata">

**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\
**Replies:** 1\
**Last updated:** [30 August 2023 06:11 UTC](https://discourse.nodered.org/t/dashboard-bar-chart-data-node-not-working-error/80898 "2023-08-30T06:11:05Z")

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I am trying to use this node to display a chart that has my usage data but the chart displays nothing and i get the following message in the debug: "Error: Invalid property expression: unexpected ' ' at position 14" he…

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