# Latest

**URL:** https://discourse.nodered.org/latest.md?page=531

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

**Page:** 532

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## [Enhancement Request: Link In/Out Properties - Filter Connected Nodes](https://discourse.nodered.org/t/enhancement-request-link-in-out-properties-filter-connected-nodes/65373)

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**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\
**Replies:** 0\
**Last updated:** [20 July 2022 15:08 UTC](https://discourse.nodered.org/t/enhancement-request-link-in-out-properties-filter-connected-nodes/65373 "2022-07-20T15:08:56Z")

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Within the properties pane of the Link In and Link Out nodes there is a filter box to search for existing nodes to select. Can we get a tick box (or other option) to filter only selected items. I use link nodes quite a…

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## [What is the best Cloud platform to control many different Node-Red instances from distance?](https://discourse.nodered.org/t/what-is-the-best-cloud-platform-to-control-many-different-node-red-instances-from-distance/65366)

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**Author:** [@Wilay](https://discourse.nodered.org/u/Wilay)\
**Replies:** 0\
**Last updated:** [20 July 2022 14:12 UTC](https://discourse.nodered.org/t/what-is-the-best-cloud-platform-to-control-many-different-node-red-instances-from-distance/65366 "2022-07-20T14:12:37Z")

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I'm simply wondering which Cloud platform do you guys prefer to remotely control many Node-Red instances. I was considering using IoT Flows, but was curious if more "legit" options such as IBM, Azure or GCP were better a…

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## [EACCES: permission error when using port 80 with Docker images for node 16/18](https://discourse.nodered.org/t/eacces-permission-error-when-using-port-80-with-docker-images-for-node-16-18/65138)

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**Author:** [@TobiasBg](https://discourse.nodered.org/u/TobiasBg)\
**Replies:** 4\
**Last updated:** [20 July 2022 12:25 UTC](https://discourse.nodered.org/t/eacces-permission-error-when-using-port-80-with-docker-images-for-node-16-18/65138 "2022-07-20T12:25:55Z")

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Hi! Now that 3.0 is out, I wanted to use that opportunity to also switch to the Docker images that have a more recent version of node. I've been successfully running this docker-compose.yml file on a RPi 4B: version: …

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## [Basic for loop to build a string (Newbie question)](https://discourse.nodered.org/t/basic-for-loop-to-build-a-string-newbie-question/65360)

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**Author:** [@Kenson](https://discourse.nodered.org/u/Kenson)\
**Replies:** 2\
**Last updated:** [20 July 2022 12:22 UTC](https://discourse.nodered.org/t/basic-for-loop-to-build-a-string-newbie-question/65360 "2022-07-20T12:22:54Z")

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As a newbie, I'm experimenting, one of the things I would like to do is built a "string" to inject variables into SQLite. If I "write" the string it works i.e. : ""topic":"INSERT INTO LiveData(c01,c02,c03,c04,c05,c06,c07…

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## [Telegram not working](https://discourse.nodered.org/t/telegram-not-working/5810)

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**Author:** [@ffoton](https://discourse.nodered.org/u/ffoton)\
**Replies:** 11\
**Last updated:** [20 July 2022 12:19 UTC](https://discourse.nodered.org/t/telegram-not-working/5810 "2022-07-20T12:19:12Z")

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Hi, I am currently using node-red-contrib-telegrambot (https://www.npmjs.com/package/node-red-contrib-telegrambot) but the issue remains on other similar Telegram nodes as well. I am able to send a message using a http…

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## [Modbus 32 Bit Float to an INT](https://discourse.nodered.org/t/modbus-32-bit-float-to-an-int/64854)

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**Author:** [@bceyresy](https://discourse.nodered.org/u/bceyresy)\
**Replies:** 2\
**Last updated:** [20 July 2022 11:50 UTC](https://discourse.nodered.org/t/modbus-32-bit-float-to-an-int/64854 "2022-07-20T11:50:43Z")

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Hi, I have a power meter which I am pulling readings from via Modbus TCP. The data is in float & I need to put the 2 registers together then convert it to an integer. just a note, I had to click the data in the array t…

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## [🎉 Node-RED 3.0.0-beta.4 released](https://discourse.nodered.org/t/node-red-3-0-0-beta-4-released/64538)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 47\
**Last updated:** [20 July 2022 10:46 UTC](https://discourse.nodered.org/t/node-red-3-0-0-beta-4-released/64538 "2022-07-20T10:46:42Z")

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:tada: The fourth and next final beta release of Node-RED 3.0 is now available. Node-RED 3.x requires at least Node 14.x or later. We recommend the current Active LTS release, Node 16.x. We had hoped beta.3 was going t…

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## [16X2 i2c lcd display](https://discourse.nodered.org/t/16x2-i2c-lcd-display/65358)

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**Author:** [@SplitSecComp](https://discourse.nodered.org/u/SplitSecComp)\
**Replies:** 0\
**Last updated:** [20 July 2022 10:13 UTC](https://discourse.nodered.org/t/16x2-i2c-lcd-display/65358 "2022-07-20T10:13:15Z")

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Hi. I want to display temperature data on a Waveshare 16x2 i2c display. Can any one help me with node red sample code and/or assistance to get it working. I can get it to display text using the using Python code in a P…

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## [Raspberry pi 3 with node-red](https://discourse.nodered.org/t/raspberry-pi-3-with-node-red/65320)

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**Author:** [@Bomber75](https://discourse.nodered.org/u/Bomber75)\
**Replies:** 7\
**Last updated:** [20 July 2022 09:30 UTC](https://discourse.nodered.org/t/raspberry-pi-3-with-node-red/65320 "2022-07-20T09:30:39Z")

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hi everyone, i am using raspberry pi 3 to use node red, but when i start node red the console shows these errors: node-red.service: Failed to determine user credentials: No such process node-red.service: Failed at s…

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## [Help with function node and multiple inputs](https://discourse.nodered.org/t/help-with-function-node-and-multiple-inputs/63411)

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**Author:** [@TheOzarkWizard](https://discourse.nodered.org/u/TheOzarkWizard)\
**Replies:** 16\
**Last updated:** [20 July 2022 08:03 UTC](https://discourse.nodered.org/t/help-with-function-node-and-multiple-inputs/63411 "2022-07-20T08:03:23Z")

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Hey all, Im terrible with programing, I have made it this far by reading and combining multiple tutorials, however im not sure what I am missing and I feel like I am bashing my head against the wall trying to figure this…

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## [Change node to sort/separate differents objects in array](https://discourse.nodered.org/t/change-node-to-sort-separate-differents-objects-in-array/65308)

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**Author:** [@SaSa](https://discourse.nodered.org/u/SaSa)\
**Replies:** 0\
**Last updated:** [19 July 2022 09:47 UTC](https://discourse.nodered.org/t/change-node-to-sort-separate-differents-objects-in-array/65308 "2022-07-19T09:47:31Z")

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hello all, I have an api request from my database containing some data, the aim is to sort them and send in separate messages or in differents objects at least. the using code is : downlinks = \[ \]; for (var i = 0; i \<…

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## [Error while subscribing to OPC UA client on same time frame as the tags](https://discourse.nodered.org/t/error-while-subscribing-to-opc-ua-client-on-same-time-frame-as-the-tags/65351)

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**Author:** [@vraghu1983](https://discourse.nodered.org/u/vraghu1983)\
**Replies:** 0\
**Last updated:** [20 July 2022 07:04 UTC](https://discourse.nodered.org/t/error-while-subscribing-to-opc-ua-client-on-same-time-frame-as-the-tags/65351 "2022-07-20T07:04:33Z")

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Hi All - I receive a strange error while using OPC UA connection to read some tags of a machine for real time streaming from node-red to power bi All I want to do is to showcase some 20 tags of a machine and display the…

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## [Recommendations on pulling a file from SSH session?](https://discourse.nodered.org/t/recommendations-on-pulling-a-file-from-ssh-session/65193)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 23\
**Last updated:** [20 July 2022 04:53 UTC](https://discourse.nodered.org/t/recommendations-on-pulling-a-file-from-ssh-session/65193 "2022-07-20T04:53:58Z")

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Recommendations on pulling, on-demand, a file from SSH session? I have a remote device, that I have only SSH access to, I need to connect via SSH, pull a file over the connection, then of course close the SSH session. I…

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## [Fresh install unRaid server](https://discourse.nodered.org/t/fresh-install-unraid-server/65345)

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**Author:** [@Mlitz](https://discourse.nodered.org/u/Mlitz)\
**Replies:** 0\
**Last updated:** [20 July 2022 04:06 UTC](https://discourse.nodered.org/t/fresh-install-unraid-server/65345 "2022-07-20T04:06:14Z")

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I have a fresh unRaid server that I am trying to install Node-red via Docker. I am still new to learning Linux and this is my first node-red install. It will install from the app store and show up on the GUI but will n…

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## [XML validation error](https://discourse.nodered.org/t/xml-validation-error/65301)

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**Author:** [@chawana](https://discourse.nodered.org/u/chawana)\
**Replies:** 4\
**Last updated:** [20 July 2022 01:46 UTC](https://discourse.nodered.org/t/xml-validation-error/65301 "2022-07-20T01:46:13Z")

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@Steve-Mcl as i read topic as your recomended Difficulty to install node-red-contrib-xml-validate/xml-validate but still have issue import(function mode) \[libxml-xsd\] let you advise?

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## [\[Proposal\] Allow JSONata expression in environment variable definition](https://discourse.nodered.org/t/proposal-allow-jsonata-expression-in-environment-variable-definition/65341)

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**Author:** [@nisiyama](https://discourse.nodered.org/u/nisiyama)\
**Replies:** 0\
**Last updated:** [20 July 2022 01:11 UTC](https://discourse.nodered.org/t/proposal-allow-jsonata-expression-in-environment-variable-definition/65341 "2022-07-20T01:11:56Z")

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When using TypedInput 'environnment variable' type for environment variable definition, it support simple string substitution(e.g. Hello ${FOO}→Hello World). This is a very useful feature, but there are some cases where…

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## [How to turn off script in certain hours](https://discourse.nodered.org/t/how-to-turn-off-script-in-certain-hours/65097)

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**Author:** [@Lizzie](https://discourse.nodered.org/u/Lizzie)\
**Replies:** 4\
**Last updated:** [19 July 2022 23:23 UTC](https://discourse.nodered.org/t/how-to-turn-off-script-in-certain-hours/65097 "2022-07-19T23:23:17Z")

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Hello, I have set up an ac that reacts to temperature sensor data coming from a python script. Can you please guide me on how to turn off ac automatically after 7 pm? Also, how can I run the python script at a certain t…

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## [Email Node: Multiple Recipients in msg.to](https://discourse.nodered.org/t/email-node-multiple-recipients-in-msg-to/65336)

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**Author:** [@lesmar96](https://discourse.nodered.org/u/lesmar96)\
**Replies:** 2\
**Last updated:** [19 July 2022 21:41 UTC](https://discourse.nodered.org/t/email-node-multiple-recipients-in-msg-to/65336 "2022-07-19T21:41:32Z")

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Continuing the discussion from Multiple email recipients: I had posted in this thread awhile back. We used a format like this and it worked. Now, we are setting up a new system and it doesn't seem to work any more. W…

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## [🎉 \[uibuilder new release\] v5.1.1 - Some nice new features and illustration of future features](https://discourse.nodered.org/t/uibuilder-new-release-v5-1-1-some-nice-new-features-and-illustration-of-future-features/64479)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 18\
**Last updated:** [19 July 2022 20:54 UTC](https://discourse.nodered.org/t/uibuilder-new-release-v5-1-1-some-nice-new-features-and-illustration-of-future-features/64479 "2022-07-19T20:54:37Z")

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Hopefully you will be as excited as I am about some of the new features in this release! Most notably, a brand new client library in both ESM and IIFE (UMD) versions so that you can start experimenting with browser-base…

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## [Insert data into Gsheet in same row with new timestamp](https://discourse.nodered.org/t/insert-data-into-gsheet-in-same-row-with-new-timestamp/65275)

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**Author:** [@1onkar](https://discourse.nodered.org/u/1onkar)\
**Replies:** 3\
**Last updated:** [19 July 2022 15:31 UTC](https://discourse.nodered.org/t/insert-data-into-gsheet-in-same-row-with-new-timestamp/65275 "2022-07-19T15:31:53Z")

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Hi.. I need help to Insert data into Google sheet from Nodered. I followed this YouTube video Insert Data to Google Sheet Autoatic with Node Red \[บันทึกข้อมูลลง Google Sheet ด้วย Node Red\] - YouTube . It works , rather …

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## [Mqtt #-message split and write to database](https://discourse.nodered.org/t/mqtt-message-split-and-write-to-database/65130)

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**Author:** [@mssib28](https://discourse.nodered.org/u/mssib28)\
**Replies:** 3\
**Last updated:** [19 July 2022 20:35 UTC](https://discourse.nodered.org/t/mqtt-message-split-and-write-to-database/65130 "2022-07-19T20:35:29Z")

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Hi together, I would like to get data via MQTT to Node-Red. I use the Node 'mqtt in' with the topic 'Speicher/t\_day\_min/#'. Via debug node I get 15.7.2022, 10:36:04node: DB Speicher/t\_day\_min/Wert : msg.payload : st…

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## [Machine Learning via function node](https://discourse.nodered.org/t/machine-learning-via-function-node/65337)

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**Author:** [@guillad](https://discourse.nodered.org/u/guillad)\
**Replies:** 0\
**Last updated:** [19 July 2022 20:27 UTC](https://discourse.nodered.org/t/machine-learning-via-function-node/65337 "2022-07-19T20:27:05Z")

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Hi friends. I've implemented some of the \[most popular machine learning algorithms, on top of JS libraries like ml.js, brain.js and others from NPM. However, some of them are not properly configured and are currently no…

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## [How to convert a barcode to a pdf file](https://discourse.nodered.org/t/how-to-convert-a-barcode-to-a-pdf-file/65285)

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**Author:** [@SebastianCast04](https://discourse.nodered.org/u/SebastianCast04)\
**Replies:** 5\
**Last updated:** [19 July 2022 17:14 UTC](https://discourse.nodered.org/t/how-to-convert-a-barcode-to-a-pdf-file/65285 "2022-07-19T17:14:37Z")

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Hello, I hope everyone is ok, Could someone help me to convert a barcode to a pdf file, I've tried in various ways with no success, this is what I got so far

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## [Resize DPI screen dimension resolution to 1024x600 lightdm](https://discourse.nodered.org/t/resize-dpi-screen-dimension-resolution-to-1024x600-lightdm/65229)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 3\
**Last updated:** [19 July 2022 20:17 UTC](https://discourse.nodered.org/t/resize-dpi-screen-dimension-resolution-to-1024x600-lightdm/65229 "2022-07-19T20:17:48Z")

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Hi all I would like resize DPI screen dimension of firefox page to 1024x600 for dashboard I open the ui page using lightdm service many thanks in advance

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## [Getting alexa volume](https://discourse.nodered.org/t/getting-alexa-volume/18475)

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**Author:** [@ygarti](https://discourse.nodered.org/u/ygarti)\
**Replies:** 3\
**Last updated:** [19 July 2022 20:01 UTC](https://discourse.nodered.org/t/getting-alexa-volume/18475 "2022-07-19T20:01:01Z")

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Hi All, i would like to retrieve my echo volume but i didn't find any way to do that. if somebody know how to achieve this even with an outside script (which is not the preferred way) i'll be forever in your debt. Tha…

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## [Feedback TCP Request Send to MQTT](https://discourse.nodered.org/t/feedback-tcp-request-send-to-mqtt/65187)

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**Author:** [@wiwan-wijoyo](https://discourse.nodered.org/u/wiwan-wijoyo)\
**Replies:** 5\
**Last updated:** [19 July 2022 18:04 UTC](https://discourse.nodered.org/t/feedback-tcp-request-send-to-mqtt/65187 "2022-07-19T18:04:46Z")

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I will process the feedback data from TCP request to MQTT. I send command via terminal and TCP request result as in picture, but in switch "matches regex" no result. I will take feedback data from TCP Request to send…

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## [Toy example of dynamic menus in edit dialog (feedback request)](https://discourse.nodered.org/t/toy-example-of-dynamic-menus-in-edit-dialog-feedback-request/65280)

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**Author:** [@mharsch](https://discourse.nodered.org/u/mharsch)\
**Replies:** 4\
**Last updated:** [19 July 2022 17:16 UTC](https://discourse.nodered.org/t/toy-example-of-dynamic-menus-in-edit-dialog-feedback-request/65280 "2022-07-19T17:16:22Z")

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Greetings, I needed to dynamically change the form elements inside a node edit dialog based on current configuration node selected. I couldn't find an exact match out there, but node-serialport was often mentioned as an…

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## [Node-red-dashboard deprecation warning after upgrade](https://discourse.nodered.org/t/node-red-dashboard-deprecation-warning-after-upgrade/65330)

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**Author:** [@bwims](https://discourse.nodered.org/u/bwims)\
**Replies:** 0\
**Last updated:** [19 July 2022 16:12 UTC](https://discourse.nodered.org/t/node-red-dashboard-deprecation-warning-after-upgrade/65330 "2022-07-19T16:12:44Z")

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Apologies if this is already well known, but after upgrading to 3.0 I saw the following message in the log. I was going to raise an issue in Github, but there was a message there encouraging problems to be raised here. …

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## [Use response from server in HTTP request](https://discourse.nodered.org/t/use-response-from-server-in-http-request/65326)

<div class="topic-metadata">

**Author:** [@Jodos2](https://discourse.nodered.org/u/Jodos2)\
**Replies:** 3\
**Last updated:** [19 July 2022 15:35 UTC](https://discourse.nodered.org/t/use-response-from-server-in-http-request/65326 "2022-07-19T15:35:42Z")

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Hello all, I'm new to node red, but I've been playing with it for hours now. I want to use the response I get after a post request from the server in te debug messages, but I am not sure how to do it. Is there a way t…

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## [Check if data is still being send](https://discourse.nodered.org/t/check-if-data-is-still-being-send/65324)

<div class="topic-metadata">

**Author:** [@Kaij3](https://discourse.nodered.org/u/Kaij3)\
**Replies:** 5\
**Last updated:** [19 July 2022 14:29 UTC](https://discourse.nodered.org/t/check-if-data-is-still-being-send/65324 "2022-07-19T14:29:21Z")

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Hi all :wave: :wave: I am trying to create a flow where it checks for data every single time from an inject node. For example, This is the example flow where it will continuously inject data. But once one of them sto…

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