# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=316

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

**Page:** 317

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## [Getting Started with node-red-contrib-unifi](https://discourse.nodered.org/t/getting-started-with-node-red-contrib-unifi/68210)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 4\
**Last updated:** [28 September 2022 22:12 UTC](https://discourse.nodered.org/t/getting-started-with-node-red-contrib-unifi/68210 "2022-09-28T22:12:43Z")

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I have been using Node Red quite a while and just got some unifi equipment for my network. I thought this set of nodes would be fun to play with, but I find that for some reason I am getting no feedback other than ERR\_BA…

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## [Convert input from Serial port](https://discourse.nodered.org/t/convert-input-from-serial-port/68201)

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**Author:** [@michl1003](https://discourse.nodered.org/u/michl1003)\
**Replies:** 3\
**Last updated:** [28 September 2022 21:53 UTC](https://discourse.nodered.org/t/convert-input-from-serial-port/68201 "2022-09-28T21:53:18Z")

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hello, i'm new in node-red... i try to convert input from an serial /dev/ttyAMA0 on a RPI i receive value like this: � ~��@�\\O8�TMb��=%�Z��8@�G~|�g��8����LFs)P�ܯFx��$p�(\>dLv�\<��0�w� |��F�4���Qࡆ��I "h��u�J@r=�"��~|�g��…

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## [Flow stops after a few times triggered](https://discourse.nodered.org/t/flow-stops-after-a-few-times-triggered/68309)

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**Author:** [@kroonp](https://discourse.nodered.org/u/kroonp)\
**Replies:** 6\
**Last updated:** [28 September 2022 20:56 UTC](https://discourse.nodered.org/t/flow-stops-after-a-few-times-triggered/68309 "2022-09-28T20:56:47Z")

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I made a flow with a hue button switch. I want that when pressing button 1 an action is performed that triggers a button depending on the light value. When button 4 is pressed, the button must be triggered to perform an…

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## [Using node red for clp memory](https://discourse.nodered.org/t/using-node-red-for-clp-memory/68300)

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**Author:** [@mateustrindadeautoma](https://discourse.nodered.org/u/mateustrindadeautoma)\
**Replies:** 4\
**Last updated:** [28 September 2022 17:59 UTC](https://discourse.nodered.org/t/using-node-red-for-clp-memory/68300 "2022-09-28T17:59:51Z")

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Good morning friends, I'm wanting to build an application using node-red, as a master of an already installed clp. I wanted to be able to read the memory of the clp without touching the clp, does anyone know if this is p…

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## [ConnectionError: Failed to connect to (IP Address) in 5000ms](https://discourse.nodered.org/t/connectionerror-failed-to-connect-to-ip-address-in-5000ms/68347)

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**Author:** [@Engi](https://discourse.nodered.org/u/Engi)\
**Replies:** 4\
**Last updated:** [28 September 2022 17:02 UTC](https://discourse.nodered.org/t/connectionerror-failed-to-connect-to-ip-address-in-5000ms/68347 "2022-09-28T17:02:47Z")

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I've run into this error with the MS SQL database node: ConnectionError: Failed to connect to (IP Address) in 5000ms, it was working fine before but after a recent power outage this error comes up every time I try to run…

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## [Horizontal scrollbar is missing in the workflow pane?](https://discourse.nodered.org/t/horizontal-scrollbar-is-missing-in-the-workflow-pane/68344)

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**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 2\
**Last updated:** [28 September 2022 16:12 UTC](https://discourse.nodered.org/t/horizontal-scrollbar-is-missing-in-the-workflow-pane/68344 "2022-09-28T16:12:51Z")

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I don't know how this happened, but none of my flows have a horizontal scrollbar anymore. I've tried both Safari & Chrome. I tried restarting node-red. The only way I can access nodes off the right of the pane is to eith…

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## [Robotdyn ac dimmer](https://discourse.nodered.org/t/robotdyn-ac-dimmer/11150)

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**Author:** [@mjdula](https://discourse.nodered.org/u/mjdula)\
**Replies:** 7\
**Last updated:** [28 September 2022 16:20 UTC](https://discourse.nodered.org/t/robotdyn-ac-dimmer/11150 "2022-09-28T16:20:34Z")

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Hey all, Newbie to the node red programming and working through it pretty well. I am wanting to create a reptile environment control system using a Robotdyn AC dimmer. I was wondering if anyone has used this or a simila…

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## [Node initialization order](https://discourse.nodered.org/t/node-initialization-order/68341)

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**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 6\
**Last updated:** [28 September 2022 14:58 UTC](https://discourse.nodered.org/t/node-initialization-order/68341 "2022-09-28T14:58:26Z")

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Hi, I need to guarantee that a specific function node initializes (its "On Start" code gets executed) before the construction/initialization of any other node in any other flow. Will it be safe to assume that defining …

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## [Err\_ssl\_decryption\_failed](https://discourse.nodered.org/t/err-ssl-decryption-failed/68218)

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**Author:** [@NiphtiAe](https://discourse.nodered.org/u/NiphtiAe)\
**Replies:** 1\
**Last updated:** [28 September 2022 14:36 UTC](https://discourse.nodered.org/t/err-ssl-decryption-failed/68218 "2022-09-28T14:36:46Z")

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Hi all, I can't install new nodes via the palette or via the terminal. I'm getting that error : ERR\_SSL\_DECRYPTION\_FAILED\_OR\_BAD\_RECORD\_MAC 26 Sep 09:18:49 - \[info\] Node-RED version: v3.0.2 26 Sep 09:18:49 - \[info\] Nod…

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## [I have a question about configuring MQTT message delivery complete](https://discourse.nodered.org/t/i-have-a-question-about-configuring-mqtt-message-delivery-complete/68326)

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**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 2\
**Last updated:** [28 September 2022 12:34 UTC](https://discourse.nodered.org/t/i-have-a-question-about-configuring-mqtt-message-delivery-complete/68326 "2022-09-28T12:34:47Z")

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I have a question about configuring MQTT message delivery complete. After sending the MQTT message, can you check the message that the delivery is complete? You can check the status of MQTT being connected or connected…

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## [Editable list validate with external value](https://discourse.nodered.org/t/editable-list-validate-with-external-value/68335)

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**Author:** [@alevher](https://discourse.nodered.org/u/alevher)\
**Replies:** 1\
**Last updated:** [28 September 2022 09:53 UTC](https://discourse.nodered.org/t/editable-list-validate-with-external-value/68335 "2022-09-28T09:53:46Z")

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Hello Everyone, I'm tryng to validate a value of an editable list based on the value of a checkbox of the node, is it possible ? I'd like to check if value3 is not " " only if the checkbox duplicates is checked. here'…

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## [Getting find() timed out messages with correct creds](https://discourse.nodered.org/t/getting-find-timed-out-messages-with-correct-creds/68334)

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**Author:** [@tinychaos42](https://discourse.nodered.org/u/tinychaos42)\
**Replies:** 0\
**Last updated:** [28 September 2022 09:30 UTC](https://discourse.nodered.org/t/getting-find-timed-out-messages-with-correct-creds/68334 "2022-09-28T09:30:32Z")

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Hi folks, not sure if nodered forum is the right place to put this question, but I've put this on 2x relevant GH repos as well, and I'll close/update them according to my progress with the issue. The bug / issue Got a …

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## [Display the daily work of heating system](https://discourse.nodered.org/t/display-the-daily-work-of-heating-system/68292)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 8\
**Last updated:** [28 September 2022 05:59 UTC](https://discourse.nodered.org/t/display-the-daily-work-of-heating-system/68292 "2022-09-28T05:59:27Z")

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Hello I need the collective knowledge to work out a solution for my node red. I get a 1 second pulse (state goes to 1) via mqtt when my gas meter has advanced by 0.001 qm. I now want to see in the dashboard the runtim…

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## [Generate modbus flex sequence](https://discourse.nodered.org/t/generate-modbus-flex-sequence/68203)

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**Author:** [@xjust](https://discourse.nodered.org/u/xjust)\
**Replies:** 4\
**Last updated:** [27 September 2022 21:37 UTC](https://discourse.nodered.org/t/generate-modbus-flex-sequence/68203 "2022-09-27T21:37:41Z")

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I have a few registers to read using modbus flex: To avoid modbus congestion,can anyone help me generate a sequence of registers/quantity to have as little queries as possible ? For example : numbers = \[10,11,12,18,5…

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## [OPC UA "OPC SUBSCRIBE: StatusCode: Good#Overflow (0x00000080)"](https://discourse.nodered.org/t/opc-ua-opc-subscribe-statuscode-good-overflow-0x00000080/68322)

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**Author:** [@piwi447](https://discourse.nodered.org/u/piwi447)\
**Replies:** 0\
**Last updated:** [27 September 2022 20:58 UTC](https://discourse.nodered.org/t/opc-ua-opc-subscribe-statuscode-good-overflow-0x00000080/68322 "2022-09-27T20:58:52Z")

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Hello, I am using OPC UA node-red-contrib-opcua to read structure from a codesys OPC UA server running on Raspberry Pi target. This interface was developped originally 2 years ago on Nodered 1.2.6 with OPC UA version 0…

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## [Date() giving incorrect time](https://discourse.nodered.org/t/date-giving-incorrect-time/68290)

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**Author:** [@pmknowles](https://discourse.nodered.org/u/pmknowles)\
**Replies:** 10\
**Last updated:** [27 September 2022 21:00 UTC](https://discourse.nodered.org/t/date-giving-incorrect-time/68290 "2022-09-27T21:00:54Z")

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I have a function node which starts with var date = new Date(); The output comes out at 'Zulu time' I read that the time is the computer time but it doesn't seem to be. I can't see how to fix it

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## [Node-red-contrib-shelly for 2 PM in cover mode](https://discourse.nodered.org/t/node-red-contrib-shelly-for-2-pm-in-cover-mode/67899)

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**Author:** [@Simone](https://discourse.nodered.org/u/Simone)\
**Replies:** 8\
**Last updated:** [27 September 2022 20:46 UTC](https://discourse.nodered.org/t/node-red-contrib-shelly-for-2-pm-in-cover-mode/67899 "2022-09-27T20:46:56Z")

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Hi there, I can't find the syntax of the message to control the position of the roller/cover using node-red-contrib-shelly (Shelly Gen 2) and the Shelly Plus 2PM.

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## [Http post request with image to python webservice](https://discourse.nodered.org/t/http-post-request-with-image-to-python-webservice/68257)

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**Author:** [@vanTuxen](https://discourse.nodered.org/u/vanTuxen)\
**Replies:** 6\
**Last updated:** [27 September 2022 20:09 UTC](https://discourse.nodered.org/t/http-post-request-with-image-to-python-webservice/68257 "2022-09-27T20:09:58Z")

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Hi everybody. I am kind of become desperate on a task which seems quite easy at the first glace. I want to call a webservice which is hosted on the same machine to analyze photos for faces etc. The service is provided …

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## [Sorting MySQL-Payload Data for Apex-Charts using JSONata](https://discourse.nodered.org/t/sorting-mysql-payload-data-for-apex-charts-using-jsonata/68258)

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**Author:** [@Martin12](https://discourse.nodered.org/u/Martin12)\
**Replies:** 6\
**Last updated:** [27 September 2022 19:20 UTC](https://discourse.nodered.org/t/sorting-mysql-payload-data-for-apex-charts-using-jsonata/68258 "2022-09-27T19:20:30Z")

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Hey everyone! I'm trying to use JSONata to get a MySQL-Payload in the right format to display that data with ApexCharts. I'm quite new to Node-Red and not sure if my task is probably too complex for JSONata. Here's an e…

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## [How to create a JSON variable to store an OPCUA value](https://discourse.nodered.org/t/how-to-create-a-json-variable-to-store-an-opcua-value/68304)

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**Author:** [@Ghassen](https://discourse.nodered.org/u/Ghassen)\
**Replies:** 2\
**Last updated:** [27 September 2022 18:29 UTC](https://discourse.nodered.org/t/how-to-create-a-json-variable-to-store-an-opcua-value/68304 "2022-09-27T18:29:34Z")

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Hello! I'm actually working on a project to retrieve OPCUA values from a PLC and visualize them on a cloud dashboard. I managed to get the data I wanted but I struggle to send this via http request on the cloud because…

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## [How to use variables in msg path?](https://discourse.nodered.org/t/how-to-use-variables-in-msg-path/68289)

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**Author:** [@Purize](https://discourse.nodered.org/u/Purize)\
**Replies:** 2\
**Last updated:** [27 September 2022 11:29 UTC](https://discourse.nodered.org/t/how-to-use-variables-in-msg-path/68289 "2022-09-27T11:29:56Z")

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Hi, I'm having problems with this "easy" task, please help. Tasks: Lookup value of "msg.data.game\_id" in "msg.data.games" Copy the attribute "media\_image\_url" to "msg.data.game\_image" Is the change node able to perfo…

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## [Alternative to subflow](https://discourse.nodered.org/t/alternative-to-subflow/68286)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 2\
**Last updated:** [27 September 2022 11:14 UTC](https://discourse.nodered.org/t/alternative-to-subflow/68286 "2022-09-27T11:14:32Z")

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Is there a new feature in NodeRED that provides alternative functionality to subflows? Some kind of function template I'm sure I read about it somewhere (/watched a video). I recall thinking "wow, there are now three d…

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## [Join based on identifier](https://discourse.nodered.org/t/join-based-on-identifier/67745)

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**Author:** [@smitterer](https://discourse.nodered.org/u/smitterer)\
**Replies:** 13\
**Last updated:** [27 September 2022 09:14 UTC](https://discourse.nodered.org/t/join-based-on-identifier/67745 "2022-09-27T09:14:48Z")

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Hi! I'm getting several payloads from a sql query in an array. Example: \[{"COL\_PRIMARY\_KEY":7,"COL\_CALL":"ABC123","COL\_QSL\_VIA":"","COL\_TIME\_ON":"2022-08-23T08:47:15.000Z","COL\_MODE":"FT8","COL\_BAND":"20m","COL\_RST\_SE…

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## [GPIO access on Odroid N2+](https://discourse.nodered.org/t/gpio-access-on-odroid-n2/68280)

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**Author:** [@tramanah](https://discourse.nodered.org/u/tramanah)\
**Replies:** 0\
**Last updated:** [27 September 2022 09:10 UTC](https://discourse.nodered.org/t/gpio-access-on-odroid-n2/68280 "2022-09-27T09:10:23Z")

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Hi, is there any way to access odriod N2 gpio via node red. I am stuck here.

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## [Junction node - issue with touch (iPad)](https://discourse.nodered.org/t/junction-node-issue-with-touch-ipad/68279)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 2\
**Last updated:** [27 September 2022 08:19 UTC](https://discourse.nodered.org/t/junction-node-issue-with-touch-ipad/68279 "2022-09-27T08:19:12Z")

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Anyone else here use NodeRED admin with iPad Pro / touch / pencil? It’s surprisingly good because you can combine the use of finger to pan around and move nodes, and pencil to do more accurate stuff, e.g. double clicking…

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## [Time Question Windows 10](https://discourse.nodered.org/t/time-question-windows-10/68237)

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**Author:** [@MarkusW](https://discourse.nodered.org/u/MarkusW)\
**Replies:** 5\
**Last updated:** [27 September 2022 07:09 UTC](https://discourse.nodered.org/t/time-question-windows-10/68237 "2022-09-27T07:09:42Z")

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Hi, I am new to node-red. I already searched with google etc. But I did not find an answer. If I start node-red in windows 10 via cmd. The time in node red has an offset to my system time. For example: node-red: 10:0…

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## [Updating to the latest/newest NR - just asking](https://discourse.nodered.org/t/updating-to-the-latest-newest-nr-just-asking/68264)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [27 September 2022 02:59 UTC](https://discourse.nodered.org/t/updating-to-the-latest-newest-nr-just-asking/68264 "2022-09-27T02:59:26Z")

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Ok, I may seen to be a stubborn person with NR 2.x but it isn't without reason. Three machines are running 24/7 and I updated one to 2.2.2 and the dashboad to 3.1.6 Now (for a long time) when I deploy I get a message a…

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## [Replace port with TCP In](https://discourse.nodered.org/t/replace-port-with-tcp-in/68268)

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**Author:** [@lastheim](https://discourse.nodered.org/u/lastheim)\
**Replies:** 0\
**Last updated:** [27 September 2022 02:49 UTC](https://discourse.nodered.org/t/replace-port-with-tcp-in/68268 "2022-09-27T02:49:01Z")

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Hi, How do replace the port in below code to the output from a TCP in node? I want the piping part to work in below code... import { connect } from 'net' // substitute 192.168.4.1 with the IP address of your module c…

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## [The Node-Red with Apache2 - Reverse Proxy - Web Sockets Labyrinth](https://discourse.nodered.org/t/the-node-red-with-apache2-reverse-proxy-web-sockets-labyrinth/68263)

<div class="topic-metadata">

**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 0\
**Last updated:** [27 September 2022 00:49 UTC](https://discourse.nodered.org/t/the-node-red-with-apache2-reverse-proxy-web-sockets-labyrinth/68263 "2022-09-27T00:49:44Z")

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Summary of Issues: NR Proxy Routing in the Apache2 - conf files for Virtual Host, WSS connection errors, Cannot Click Inject Nodes, Dashboard "Not Loading" Scenario: I am consolidating multiple websites I host onto…

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## [How to create payloads (strings merged/concatenated from array objects) from Excel data?](https://discourse.nodered.org/t/how-to-create-payloads-strings-merged-concatenated-from-array-objects-from-excel-data/68050)

<div class="topic-metadata">

**Author:** [@AleXSR700](https://discourse.nodered.org/u/AleXSR700)\
**Replies:** 19\
**Last updated:** [26 September 2022 20:07 UTC](https://discourse.nodered.org/t/how-to-create-payloads-strings-merged-concatenated-from-array-objects-from-excel-data/68050 "2022-09-26T20:07:03Z")

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Hello everyone, I am just getting back into Node-Red and I am trying to send MQTT payloads. I have an Excel spreadsheet that contains one column with the topics and one column with the commands. I have read the excel…

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