# Latest

**URL:** https://discourse.nodered.org/latest.md?page=595

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

**Page:** 596

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## [How can i view the entire flows?](https://discourse.nodered.org/t/how-can-i-view-the-entire-flows/60769)

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**Author:** [@fab29](https://discourse.nodered.org/u/fab29)\
**Replies:** 18\
**Last updated:** [4 April 2022 22:37 UTC](https://discourse.nodered.org/t/how-can-i-view-the-entire-flows/60769 "2022-04-04T22:37:46Z")

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How can i view the entire flows? (work areas). Why can't I see all the blocks I have in the flow:

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## [Sending e-mail using OAuth 2.0](https://discourse.nodered.org/t/sending-e-mail-using-oauth-2-0/59376)

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**Author:** [@fabnavigator](https://discourse.nodered.org/u/fabnavigator)\
**Replies:** 6\
**Last updated:** [4 April 2022 22:23 UTC](https://discourse.nodered.org/t/sending-e-mail-using-oauth-2-0/59376 "2022-04-04T22:23:38Z")

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I'm using node-red-node-email to send e-mail, and just received this notice from Google: On May 30, you may lose access to apps that are using less secure sign-in technology To help keep your account secure, Google wil…

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## [Node Red dashboard connection lost](https://discourse.nodered.org/t/node-red-dashboard-connection-lost/60653)

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**Author:** [@BartuKulak](https://discourse.nodered.org/u/BartuKulak)\
**Replies:** 5\
**Last updated:** [4 April 2022 20:45 UTC](https://discourse.nodered.org/t/node-red-dashboard-connection-lost/60653 "2022-04-04T20:45:38Z")

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I use opc-ua for taking data from plc. Opc-ua works properly but dashboard does not update variable fast enough. It stucks on a previos value after a while says connection lost then image and values disapear then appear …

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## [Power from node-red-contrib-fritzapi](https://discourse.nodered.org/t/power-from-node-red-contrib-fritzapi/60730)

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**Author:** [@Mario](https://discourse.nodered.org/u/Mario)\
**Replies:** 1\
**Last updated:** [4 April 2022 20:37 UTC](https://discourse.nodered.org/t/power-from-node-red-contrib-fritzapi/60730 "2022-04-04T20:37:48Z")

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Hallo, I have a photovoltaic system with which I can read out the value for the energy generated via a DECT 210 of a Fritzbox. Now I want to use it in Node Red as well. Unfortunately I only get the AIN read out as a res…

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## [Adding example flow folders to the node-red library?](https://discourse.nodered.org/t/adding-example-flow-folders-to-the-node-red-library/60795)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 0\
**Last updated:** [4 April 2022 19:57 UTC](https://discourse.nodered.org/t/adding-example-flow-folders-to-the-node-red-library/60795 "2022-04-04T19:57:26Z")

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One of the things I'd like to do next with uibuilder is to allow uibuilder templates to include an examples folder that is automatically added to the Node-RED examples library (or some custom library under the same menu,…

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## [Ideas needed for how to approach this one please](https://discourse.nodered.org/t/ideas-needed-for-how-to-approach-this-one-please/60624)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 5\
**Last updated:** [4 April 2022 19:30 UTC](https://discourse.nodered.org/t/ideas-needed-for-how-to-approach-this-one-please/60624 "2022-04-04T19:30:03Z")

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Guys, OK a bit of a long winded explanation here - but here goes We have an electricity provider that exposes us to wholesale electricity rates in the Australian market - so when the sun shines and the wind blows we ge…

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## [How can a node update its own config/params?](https://discourse.nodered.org/t/how-can-a-node-update-its-own-config-params/60741)

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**Author:** [@tve](https://discourse.nodered.org/u/tve)\
**Replies:** 7\
**Last updated:** [4 April 2022 19:26 UTC](https://discourse.nodered.org/t/how-can-a-node-update-its-own-config-params/60741 "2022-04-04T19:26:52Z")

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I'm trying to persist the FlexDash configuration in the flow, similar to what the current dashboard does. The problem I'm having is how to modify the config from within the runtime. The problem statement is fairly simple…

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## [Want to override .nr-dashboard-theme for custom widgets](https://discourse.nodered.org/t/want-to-override-nr-dashboard-theme-for-custom-widgets/60783)

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**Author:** [@nanomonster](https://discourse.nodered.org/u/nanomonster)\
**Replies:** 7\
**Last updated:** [4 April 2022 19:22 UTC](https://discourse.nodered.org/t/want-to-override-nr-dashboard-theme-for-custom-widgets/60783 "2022-04-04T19:22:47Z")

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Hi. I'm fairly new to Node-red and definitely new here (I just joined...) I apologize in advance if this is a dumb question, but I'm trying to import custom widgets code into the dashboard and I noticed that even though…

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## [Adding conditions to a flow](https://discourse.nodered.org/t/adding-conditions-to-a-flow/60720)

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**Author:** [@Willgfc](https://discourse.nodered.org/u/Willgfc)\
**Replies:** 2\
**Last updated:** [4 April 2022 19:08 UTC](https://discourse.nodered.org/t/adding-conditions-to-a-flow/60720 "2022-04-04T19:08:06Z")

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Hello. I've set up a few flows to control my heating system but I'm having a little trouble figuring out how to set conditions on some of them. I've created some switch entity nodes that I'm using to set the various st…

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## [HTTP Request to get access through an API](https://discourse.nodered.org/t/http-request-to-get-access-through-an-api/60705)

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**Author:** [@astrojav](https://discourse.nodered.org/u/astrojav)\
**Replies:** 5\
**Last updated:** [4 April 2022 18:33 UTC](https://discourse.nodered.org/t/http-request-to-get-access-through-an-api/60705 "2022-04-04T18:33:18Z")

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Hi folks, I'm trying to pass some sensor values to an 'api.php' file as a HTTP request that is located on a remote web server. The request should be accepted by the 'api.php' using a \_GET variable. I am trying to do thi…

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## [ModBus: How to Write 32bits data](https://discourse.nodered.org/t/modbus-how-to-write-32bits-data/60740)

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**Author:** [@Triark](https://discourse.nodered.org/u/Triark)\
**Replies:** 5\
**Last updated:** [4 April 2022 17:36 UTC](https://discourse.nodered.org/t/modbus-how-to-write-32bits-data/60740 "2022-04-04T17:36:49Z")

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Hello, I need to send a string of information to a Modbus device; They can be numbers from 1000 (decimal) to 120000, so the device receives 32 bits of information for each DWORD. I have tried with Modbus TCP Node and w…

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## [Modbus Flex Getter -\> Wrong value with Ferroamp!](https://discourse.nodered.org/t/modbus-flex-getter-wrong-value-with-ferroamp/60526)

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**Author:** [@olapola](https://discourse.nodered.org/u/olapola)\
**Replies:** 3\
**Last updated:** [4 April 2022 16:39 UTC](https://discourse.nodered.org/t/modbus-flex-getter-wrong-value-with-ferroamp/60526 "2022-04-04T16:39:27Z")

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I'm using modbus for my solar inverter and I cant get the correct values from it. Ive tried searching the forum and I cant get it to work. Its this bit that I cant understand: Data formats The float data type can be …

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## [Conditional formatting of a table](https://discourse.nodered.org/t/conditional-formatting-of-a-table/60252)

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**Author:** [@QGIO](https://discourse.nodered.org/u/QGIO)\
**Replies:** 13\
**Last updated:** [4 April 2022 15:09 UTC](https://discourse.nodered.org/t/conditional-formatting-of-a-table/60252 "2022-04-04T15:09:11Z")

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I would like to colour each cell of a table column on the base of some conditions. The field of interest is a date; I have three conditions and so three possible colours to assign. I want to assign one of the three col…

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## [NodeRed connection with ThingSpeak](https://discourse.nodered.org/t/nodered-connection-with-thingspeak/60778)

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**Author:** [@loacker22](https://discourse.nodered.org/u/loacker22)\
**Replies:** 1\
**Last updated:** [4 April 2022 14:45 UTC](https://discourse.nodered.org/t/nodered-connection-with-thingspeak/60778 "2022-04-04T14:45:31Z")

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Hello everyone, first time i ever use NodeRed, excited to learn a lot!! I am dealing with a problem : i don't know how to connect NodeRed to ThingSpeak. I was wondering how could i connect my data from a weather site …

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## [GPIO input to msg.reset](https://discourse.nodered.org/t/gpio-input-to-msg-reset/60761)

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**Author:** [@BWTH](https://discourse.nodered.org/u/BWTH)\
**Replies:** 8\
**Last updated:** [4 April 2022 12:31 UTC](https://discourse.nodered.org/t/gpio-input-to-msg-reset/60761 "2022-04-04T12:31:05Z")

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Hi i wan´t to toggle input from Raspi and convert this to msg.reset. with my toggle inject it works, what i am doing wrong? \[ { "id": "5542a8a0.2ca958", "type": "tab", "label": "Flow 4", "disabled": false, "info"…

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## [Node-red-contrib-i2c is unsupported](https://discourse.nodered.org/t/node-red-contrib-i2c-is-unsupported/60753)

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**Author:** [@elektronik-freak](https://discourse.nodered.org/u/elektronik-freak)\
**Replies:** 10\
**Last updated:** [4 April 2022 12:09 UTC](https://discourse.nodered.org/t/node-red-contrib-i2c-is-unsupported/60753 "2022-04-04T12:09:59Z")

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The node-red-contrib-i2c is saying unsupported in NodRed version 2.2.2 npm -v 8.5.0 The I2C is working on the console, so looks like somthenthing with nodred. With NodRed 2.2.0 it works great. Is there somthing I ca…

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## [How to detect which user is connected to Node-RED](https://discourse.nodered.org/t/how-to-detect-which-user-is-connected-to-node-red/59979)

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**Author:** [@quemf](https://discourse.nodered.org/u/quemf)\
**Replies:** 8\
**Last updated:** [4 April 2022 10:42 UTC](https://discourse.nodered.org/t/how-to-detect-which-user-is-connected-to-node-red/59979 "2022-04-04T10:42:04Z")

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Hi everyone, I am trying to do a Node-RED application authenticated with multiple users, and I want to detect which user is connected, to show different parts of the Dashboard with the ui\_node. How can I get which user…

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## [Dashboard 3D Button Style](https://discourse.nodered.org/t/dashboard-3d-button-style/60750)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 2\
**Last updated:** [4 April 2022 10:13 UTC](https://discourse.nodered.org/t/dashboard-3d-button-style/60750 "2022-04-04T10:13:06Z")

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My current dashboard theme setup looks like this picture below. I have seen an HMI and was wondering if the buttons on a dashboard could look 3D like the picture at the bottom. HMI Thanks you

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## [“Error: Client Not Ready To Read At State reconnecting” when try Huawei Sun2000](https://discourse.nodered.org/t/error-client-not-ready-to-read-at-state-reconnecting-when-try-huawei-sun2000/60692)

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**Author:** [@CAuboy](https://discourse.nodered.org/u/CAuboy)\
**Replies:** 5\
**Last updated:** [4 April 2022 10:08 UTC](https://discourse.nodered.org/t/error-client-not-ready-to-read-at-state-reconnecting-when-try-huawei-sun2000/60692 "2022-04-04T10:08:50Z")

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Hi. I'm trying to conect to my Huawei Sun 2000 by modbus TCP and when I deploy a Modbus Read module and configurated a client with ID 0 appears that error: "Error: Client Not Ready To Read At State reconnecting" I insta…

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## [How to send a temperature data that is more than 30 celcius and save it in excel csv file](https://discourse.nodered.org/t/how-to-send-a-temperature-data-that-is-more-than-30-celcius-and-save-it-in-excel-csv-file/60749)

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**Author:** [@Goldenguyz](https://discourse.nodered.org/u/Goldenguyz)\
**Replies:** 6\
**Last updated:** [4 April 2022 09:50 UTC](https://discourse.nodered.org/t/how-to-send-a-temperature-data-that-is-more-than-30-celcius-and-save-it-in-excel-csv-file/60749 "2022-04-04T09:50:28Z")

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Hi all, I'm trying to send some specific data of temperature in celcius that received an inputs from COMPORT3 which I connect with raspberry pi pico and when the temperature is above 30, it will Line notify to me. Here …

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## [Node-red-contrib-machine-learning (Question)](https://discourse.nodered.org/t/node-red-contrib-machine-learning-question/60759)

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**Author:** [@Thar](https://discourse.nodered.org/u/Thar)\
**Replies:** 0\
**Last updated:** [4 April 2022 09:40 UTC](https://discourse.nodered.org/t/node-red-contrib-machine-learning-question/60759 "2022-04-04T09:40:49Z")

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Hello, I want to know about the result 0.9333333333333 is good or bad in this flow node-red? You can find the flow chart in here : node-red-contrib-machine-learning (node) - Node-RED (nodered.org). And here is my assess…

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## [Not able to write file content into SFTP folder](https://discourse.nodered.org/t/not-able-to-write-file-content-into-sftp-folder/60682)

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**Author:** [@sinmeera](https://discourse.nodered.org/u/sinmeera)\
**Replies:** 2\
**Last updated:** [4 April 2022 07:34 UTC](https://discourse.nodered.org/t/not-able-to-write-file-content-into-sftp-folder/60682 "2022-04-04T07:34:26Z")

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HI All, I have installed "node-red-contrib-better-sftp" into my node red and using this am trying to create the file with the content into the SFTP folder. Issue : i have done the configuration and able to create a fil…

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## [Memory management - js heap size](https://discourse.nodered.org/t/memory-management-js-heap-size/60729)

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**Author:** [@pet](https://discourse.nodered.org/u/pet)\
**Replies:** 0\
**Last updated:** [3 April 2022 16:12 UTC](https://discourse.nodered.org/t/memory-management-js-heap-size/60729 "2022-04-03T16:12:11Z")

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I'm running node-red on a docker container, on Linux. Node.js v 14.18.2 Node-red v 2.2.2 I have several flows. When the all active, or even few of them, i have an error thrown y nodejs. FATAL ERROR: Ineffective mark-…

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## [Need help to understand the below code](https://discourse.nodered.org/t/need-help-to-understand-the-below-code/60721)

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**Author:** [@Kai](https://discourse.nodered.org/u/Kai)\
**Replies:** 2\
**Last updated:** [4 April 2022 00:48 UTC](https://discourse.nodered.org/t/need-help-to-understand-the-below-code/60721 "2022-04-04T00:48:50Z")

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Hi, I actually found a tutorial about how to access the message object in template script: https://flows.nodered.org/flow/2f1aaf0635f9bf23207152682323240a but I dont understand what is "scope" in the closure function.…

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## [Serial Request echo's input message](https://discourse.nodered.org/t/serial-request-echos-input-message/60715)

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**Author:** [@ebrady](https://discourse.nodered.org/u/ebrady)\
**Replies:** 6\
**Last updated:** [3 April 2022 23:19 UTC](https://discourse.nodered.org/t/serial-request-echos-input-message/60715 "2022-04-03T23:19:52Z")

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I am trying to Solve a problem with the Serial Request Node. I am using a Raspberry PI, with a USB Serial converter to send data to an ICOM radio. I am not sure what other information would be helpful with understandi…

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## [Large virtual memory usage with 64-bit OS Bullseye](https://discourse.nodered.org/t/large-virtual-memory-usage-with-64-bit-os-bullseye/60672)

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**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 18\
**Last updated:** [3 April 2022 22:49 UTC](https://discourse.nodered.org/t/large-virtual-memory-usage-with-64-bit-os-bullseye/60672 "2022-04-03T22:49:19Z")

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We are testing 64-bit OS bullseye and noticed large virtual memory usage by Node-RED (more than 10GB), compared to 200MB virtual memory usage of 32-bit OS. See attached pictures of 32-bit OS vs 64-bit OS node-RED virtua…

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## [Node-red-contrib-tplink understanding emeter values](https://discourse.nodered.org/t/node-red-contrib-tplink-understanding-emeter-values/60737)

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**Author:** [@dedelajoie](https://discourse.nodered.org/u/dedelajoie)\
**Replies:** 2\
**Last updated:** [3 April 2022 22:15 UTC](https://discourse.nodered.org/t/node-red-contrib-tplink-understanding-emeter-values/60737 "2022-04-03T22:15:55Z")

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I am willing to use the node-red-contrib-tplink node. I retrieved power consumption values from this node without any problem : { "current":0.054276, "voltage":234.629612, "power":1.102936, "total":13.577, "err\_code"…

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## [Trigger & block in subflow](https://discourse.nodered.org/t/trigger-block-in-subflow/60735)

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**Author:** [@zimcube](https://discourse.nodered.org/u/zimcube)\
**Replies:** 1\
**Last updated:** [3 April 2022 18:15 UTC](https://discourse.nodered.org/t/trigger-block-in-subflow/60735 "2022-04-03T18:15:33Z")

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Can I put a trigger & block node inside a subflow? My guess is each time a new message comes in, a new instance of the subflow will be created. What mental model should I have of a "node". Is it analogous to an insta…

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## [From SQL database to UI bar chart](https://discourse.nodered.org/t/from-sql-database-to-ui-bar-chart/60722)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 2\
**Last updated:** [3 April 2022 16:29 UTC](https://discourse.nodered.org/t/from-sql-database-to-ui-bar-chart/60722 "2022-04-03T16:29:22Z")

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I have an SQL query which produces this output: \[{"id":1,"month":"january","temperature":65},{"id":2,"month":"january","temperature":28},{"id":3,"month":"january","temperature":38},{"id":4,"month":"february","temperatur…

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## [Check If file exists - functionGlobalContext](https://discourse.nodered.org/t/check-if-file-exists-functionglobalcontext/60507)

<div class="topic-metadata">

**Author:** [@mk500](https://discourse.nodered.org/u/mk500)\
**Replies:** 7\
**Last updated:** [3 April 2022 15:58 UTC](https://discourse.nodered.org/t/check-if-file-exists-functionglobalcontext/60507 "2022-04-03T15:58:57Z")

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Hey, it's my first post here at the forum. I simply want to check, if a file in my rasperry directory exist. So I tried a few things. But don't get the right way. So I found this example. I like functions, so this one…

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