# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=180

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

**Page:** 181

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## [Node teachable machine](https://discourse.nodered.org/t/node-teachable-machine/81096)

<div class="topic-metadata">

**Author:** [@chawana](https://discourse.nodered.org/u/chawana)\
**Replies:** 0\
**Last updated:** [7 September 2023 07:57 UTC](https://discourse.nodered.org/t/node-teachable-machine/81096 "2023-09-07T07:57:06Z")

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Some one is able install node teachable machine node red complete on win10? How to resloving?

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## [What is it I don't understand about HTTP request?](https://discourse.nodered.org/t/what-is-it-i-dont-understand-about-http-request/81099)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 2\
**Last updated:** [7 September 2023 09:45 UTC](https://discourse.nodered.org/t/what-is-it-i-dont-understand-about-http-request/81099 "2023-09-07T09:45:45Z")

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I want to send this, only with a payload as the Playlist number: 192.168.1.4:16008/MCWS/v1/Playback/PlayPlaylist?Zone=0&ZoneType=Index&Playlist=2&PlaylistType=Path Putting that in a HTTP request node works, both on GET…

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## [Teachable machine node red win10](https://discourse.nodered.org/t/teachable-machine-node-red-win10/81094)

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**Author:** [@chawana](https://discourse.nodered.org/u/chawana)\
**Replies:** 0\
**Last updated:** [7 September 2023 07:48 UTC](https://discourse.nodered.org/t/teachable-machine-node-red-win10/81094 "2023-09-07T07:48:16Z")

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Did you able install node teachable machine node red complete on win10? How to resloving?

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## [Post data to influxdb 1.x with own timestamp](https://discourse.nodered.org/t/post-data-to-influxdb-1-x-with-own-timestamp/81090)

<div class="topic-metadata">

**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 2\
**Last updated:** [7 September 2023 07:44 UTC](https://discourse.nodered.org/t/post-data-to-influxdb-1-x-with-own-timestamp/81090 "2023-09-07T07:44:33Z")

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I need to post data to InfluxDB with its original timestamp since the data may arrive at the database at a different time from when it was generated. I'm encountering difficulties! The influx version is still the 1.x T…

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## [Catch error message](https://discourse.nodered.org/t/catch-error-message/81070)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 15\
**Last updated:** [7 September 2023 07:07 UTC](https://discourse.nodered.org/t/catch-error-message/81070 "2023-09-07T07:07:22Z")

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Hi, I have received this message from a node: 6.9.2023, 08:15:44node: xxx msg : string\[30\] "No Services response received." This seems to be not an msg-object, but a simple string. All nodes I know, like change, work…

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## [I have a question regarding buffers](https://discourse.nodered.org/t/i-have-a-question-regarding-buffers/80967)

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**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 2\
**Last updated:** [7 September 2023 05:52 UTC](https://discourse.nodered.org/t/i-have-a-question-regarding-buffers/80967 "2023-09-07T05:52:21Z")

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I have a question regarding buffers. The buffer appears as shown in the current image. The problem arises when the buffer is only one digit. For example, it comes out in the form of 0x7, but in the case of , it should…

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## [Advice for using node-red-contrib-image-tools](https://discourse.nodered.org/t/advice-for-using-node-red-contrib-image-tools/81082)

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**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 9\
**Last updated:** [6 September 2023 20:09 UTC](https://discourse.nodered.org/t/advice-for-using-node-red-contrib-image-tools/81082 "2023-09-06T20:09:37Z")

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I am using these nodes to do some image processing on a locally hosted 567 KB file (see sample attached jpeg) This flow works on a RPi Zero. It takes about 30 seconds for the output to appear in the debug node, and …

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## [Problem with "disconnected" flows](https://discourse.nodered.org/t/problem-with-disconnected-flows/81087)

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**Author:** [@Dozer](https://discourse.nodered.org/u/Dozer)\
**Replies:** 8\
**Last updated:** [6 September 2023 18:51 UTC](https://discourse.nodered.org/t/problem-with-disconnected-flows/81087 "2023-09-06T18:51:08Z")

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I have an issue with some code that's running under Home Assistant on Proxmon.... The flow works.. some of the time.. and other times it shows "disconnected" in red under each node and nothing works. Makeing a minor c…

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## [HowTo define and use global utillity function in V3.x and higher](https://discourse.nodered.org/t/howto-define-and-use-global-utillity-function-in-v3-x-and-higher/81054)

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**Author:** [@Moosbueffel](https://discourse.nodered.org/u/Moosbueffel)\
**Replies:** 3\
**Last updated:** [6 September 2023 14:49 UTC](https://discourse.nodered.org/t/howto-define-and-use-global-utillity-function-in-v3-x-and-higher/81054 "2023-09-06T14:49:43Z")

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I found a post here for this question, but it is 2 years ago and there were remarks to the solution, that it is not good and perhaps not usable in future. Also I found a solution in stackoverflow, but also more a workaro…

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## [Node red opcua server help](https://discourse.nodered.org/t/node-red-opcua-server-help/81080)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 0\
**Last updated:** [6 September 2023 14:02 UTC](https://discourse.nodered.org/t/node-red-opcua-server-help/81080 "2023-09-06T14:02:30Z")

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hi all, i'm starting writing a node red code with opcua server package. I need comunicate in read and write mode many variables with client: arrays strings, char, int and many other and I need capture when client change …

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## [How to check function node is working correctly](https://discourse.nodered.org/t/how-to-check-function-node-is-working-correctly/81064)

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**Author:** [@Vinnyvangogo](https://discourse.nodered.org/u/Vinnyvangogo)\
**Replies:** 3\
**Last updated:** [6 September 2023 12:59 UTC](https://discourse.nodered.org/t/how-to-check-function-node-is-working-correctly/81064 "2023-09-06T12:59:45Z")

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I am needing help trying to figure out why my function node isn't separating the time, date and TC data correctly. My code is below. Any help would be greatly appreciated. \[ { "id": "73e4e16.4d9742", …

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## [How to send email with Mailgun in node-red](https://discourse.nodered.org/t/how-to-send-email-with-mailgun-in-node-red/7875)

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**Author:** [@cowchimp](https://discourse.nodered.org/u/cowchimp)\
**Replies:** 2\
**Last updated:** [6 September 2023 12:29 UTC](https://discourse.nodered.org/t/how-to-send-email-with-mailgun-in-node-red/7875 "2023-09-06T12:29:26Z")

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Hi. I want to use Mailgun in order to send mail from node-red, but I can't figure out how to get this done. Anyone already accomplish this by any chance? Thanks.

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## [Why join node is not responding. Is it some kind of BUG?](https://discourse.nodered.org/t/why-join-node-is-not-responding-is-it-some-kind-of-bug/81047)

<div class="topic-metadata">

**Author:** [@shubhamnodered](https://discourse.nodered.org/u/shubhamnodered)\
**Replies:** 8\
**Last updated:** [6 September 2023 12:07 UTC](https://discourse.nodered.org/t/why-join-node-is-not-responding-is-it-some-kind-of-bug/81047 "2023-09-06T12:07:21Z")

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I am using "join node" in my flow but its not working today.

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## [How to read req.query from /ui created by dashboard nodes](https://discourse.nodered.org/t/how-to-read-req-query-from-ui-created-by-dashboard-nodes/81044)

<div class="topic-metadata">

**Author:** [@Ralac07](https://discourse.nodered.org/u/Ralac07)\
**Replies:** 3\
**Last updated:** [5 September 2023 21:29 UTC](https://discourse.nodered.org/t/how-to-read-req-query-from-ui-created-by-dashboard-nodes/81044 "2023-09-05T21:29:26Z")

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I have created a separate login system using a HTTP endpoint and it adds it to the end of /ui how do i access this data with nodes http://localhost:1880/ui/?username=user&password=123#!/0?socketid=KZgw8S79tHwK-JUTAABH …

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## [Fatal\_Error\_Allocation](https://discourse.nodered.org/t/fatal-error-allocation/81063)

<div class="topic-metadata">

**Author:** [@Davi](https://discourse.nodered.org/u/Davi)\
**Replies:** 1\
**Last updated:** [5 September 2023 21:03 UTC](https://discourse.nodered.org/t/fatal-error-allocation/81063 "2023-09-05T21:03:26Z")

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Every 3 days this error happens

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## [EAI\_AGAIN, expected, but can a workaround be suggested?](https://discourse.nodered.org/t/eai-again-expected-but-can-a-workaround-be-suggested/81014)

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**Author:** [@pconroy328](https://discourse.nodered.org/u/pconroy328)\
**Replies:** 14\
**Last updated:** [5 September 2023 19:33 UTC](https://discourse.nodered.org/t/eai-again-expected-but-can-a-workaround-be-suggested/81014 "2023-09-05T19:33:21Z")

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I'm very, very new to Node-RED. I have some simple flows that call the USA's NOAA website. They work fine. But my Raspberry Pi has the ability to switch it's internet connection from a Wifi Access point, to a phone ho…

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## [UI table formatter If Else creates broken sort](https://discourse.nodered.org/t/ui-table-formatter-if-else-creates-broken-sort/81061)

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**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 1\
**Last updated:** [5 September 2023 19:21 UTC](https://discourse.nodered.org/t/ui-table-formatter-if-else-creates-broken-sort/81061 "2023-09-05T19:21:24Z")

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Hello, if I use the following If Else statement in my msg.ui\_control I get the expected result but the table is broken and doesn't display all the rows and is only able to sort in one direction. The other direction creat…

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## [Running a flow is blocking access to nodered.org website on my PC](https://discourse.nodered.org/t/running-a-flow-is-blocking-access-to-nodered-org-website-on-my-pc/81056)

<div class="topic-metadata">

**Author:** [@ojek](https://discourse.nodered.org/u/ojek)\
**Replies:** 5\
**Last updated:** [5 September 2023 15:10 UTC](https://discourse.nodered.org/t/running-a-flow-is-blocking-access-to-nodered-org-website-on-my-pc/81056 "2023-09-05T15:10:29Z")

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I have created a splitter node that can split json array into multiple separate messages. I wanted to do load testing so I created an array with several thousands elements, then began spllitting them and running subflows…

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## [Strategy for managing lots of functions and js code](https://discourse.nodered.org/t/strategy-for-managing-lots-of-functions-and-js-code/81042)

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**Author:** [@jpravetz](https://discourse.nodered.org/u/jpravetz)\
**Replies:** 4\
**Last updated:** [5 September 2023 14:28 UTC](https://discourse.nodered.org/t/strategy-for-managing-lots-of-functions-and-js-code/81042 "2023-09-05T14:28:29Z")

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As my Home Assistant Node-RED project is becoming bigger, I am looking for better ways to manage my flows and, in particular, the javascript from my function nodes. I'm impressed that Node-REDs javascript enables classes…

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## [How to customize the node red editor](https://discourse.nodered.org/t/how-to-customize-the-node-red-editor/80710)

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**Author:** [@Pioneerj](https://discourse.nodered.org/u/Pioneerj)\
**Replies:** 23\
**Last updated:** [5 September 2023 09:02 UTC](https://discourse.nodered.org/t/how-to-customize-the-node-red-editor/80710 "2023-09-05T09:02:32Z")

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Hello All, I want to have some custom things on node-red dashboard. For example: Some text boxes, buttons etc. along with drag-drop of Nodes which existing dashboard is supporting. Can you please help on this. Thank…

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## [uDMX node issue](https://discourse.nodered.org/t/udmx-node-issue/80448)

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**Author:** [@Erbachm](https://discourse.nodered.org/u/Erbachm)\
**Replies:** 3\
**Last updated:** [5 September 2023 07:58 UTC](https://discourse.nodered.org/t/udmx-node-issue/80448 "2023-09-05T07:58:47Z")

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Hi. I'm having some issues with the uDMX node. Every now and again it will stop working with the following error. 10 Aug 08:38:13 - \[error\] \[udmx:98fdcba301d48ecc\] TypeError: Cannot read properties of undefined (reading…

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## [Modbus sensors positing data at same address](https://discourse.nodered.org/t/modbus-sensors-positing-data-at-same-address/81033)

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**Author:** [@paca](https://discourse.nodered.org/u/paca)\
**Replies:** 5\
**Last updated:** [5 September 2023 03:31 UTC](https://discourse.nodered.org/t/modbus-sensors-positing-data-at-same-address/81033 "2023-09-05T03:31:20Z")

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Hi. I have a few Modbus RTU RS485 SHT20 Temperature Humidity Transmitter Sensors. https://www.aliexpress.com/item/32966097805.html?spm=a2g0o.order\_detail.order\_detail\_item.4.4d7af19cw7ZS6K All of them are posting data …

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## [Node-red-contrib-chatbot](https://discourse.nodered.org/t/node-red-contrib-chatbot/81010)

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**Author:** [@MaxTryhub](https://discourse.nodered.org/u/MaxTryhub)\
**Replies:** 1\
**Last updated:** [5 September 2023 01:01 UTC](https://discourse.nodered.org/t/node-red-contrib-chatbot/81010 "2023-09-05T01:01:44Z")

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I’m just starting to study node-red, I didn’t find in the documentation why the message is not sent, I connected node-red-contrib-chatbot, and I want to send a message (let payload = { chatId: \*\*\*\*\*\*, type: "message", …

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## [Multiple instances with one node\_modules](https://discourse.nodered.org/t/multiple-instances-with-one-node-modules/81040)

<div class="topic-metadata">

**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 3\
**Last updated:** [4 September 2023 20:55 UTC](https://discourse.nodered.org/t/multiple-instances-with-one-node-modules/81040 "2023-09-04T20:55:38Z")

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Hello friends, I am experimenting with different node-red instances. I know that the topic is discussed muiltple times here and i read a lot about it. I hope my questions are not to dumb. I try to aks a couple of unders…

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## [Node S7 Import Modules](https://discourse.nodered.org/t/node-s7-import-modules/81039)

<div class="topic-metadata">

**Author:** [@Mohamed\_1711](https://discourse.nodered.org/u/Mohamed_1711)\
**Replies:** 3\
**Last updated:** [4 September 2023 19:49 UTC](https://discourse.nodered.org/t/node-s7-import-modules/81039 "2023-09-04T19:49:46Z")

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I want to know the location of nodes7 ... and what is nodes7 This function is read from PLC What is this imported modules

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## [Abrupt termination after some time running - \[error\] Error: Connection terminated unexpectedly](https://discourse.nodered.org/t/abrupt-termination-after-some-time-running-error-error-connection-terminated-unexpectedly/80973)

<div class="topic-metadata">

**Author:** [@ItsVitor](https://discourse.nodered.org/u/ItsVitor)\
**Replies:** 5\
**Last updated:** [4 September 2023 14:59 UTC](https://discourse.nodered.org/t/abrupt-termination-after-some-time-running-error-error-connection-terminated-unexpectedly/80973 "2023-09-04T14:59:12Z")

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Hello. I'm using Node-RED with Docker, trying to run this flow below: It's a simple flow: get some data from this postgres db, do something, then insert the data into this other postgres db. For the db interactions, …

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## [Visualizing data from Excel sheet with Filter in NodeRed](https://discourse.nodered.org/t/visualizing-data-from-excel-sheet-with-filter-in-nodered/81026)

<div class="topic-metadata">

**Author:** [@Trma\_chaser](https://discourse.nodered.org/u/Trma_chaser)\
**Replies:** 4\
**Last updated:** [4 September 2023 12:57 UTC](https://discourse.nodered.org/t/visualizing-data-from-excel-sheet-with-filter-in-nodered/81026 "2023-09-04T12:57:39Z")

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Hi iam looking for a way to exctract/visualize data from a excel sheet or CSV Aim: We have a booking system that wir export a CSV/Excel file very 30min. with new or change bookings. I want to display the current book…

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## [BUG: Date picker format does not match Dashboard -\> Site -\> Date format](https://discourse.nodered.org/t/bug-date-picker-format-does-not-match-dashboard-site-date-format/12409)

<div class="topic-metadata">

**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 7\
**Last updated:** [4 September 2023 09:43 UTC](https://discourse.nodered.org/t/bug-date-picker-format-does-not-match-dashboard-site-date-format/12409 "2023-09-04T09:43:45Z")

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Node-RED version: v0.20.5 Node.js version: v10.15.3 Dashboard version 2.15.4 The ui\_date\_picker node says The date display can be formatted in the Dashboard - Site tab using moment.js formatting. For example MM/DD…

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## [TCP Request: how to change address and close connection?](https://discourse.nodered.org/t/tcp-request-how-to-change-address-and-close-connection/81029)

<div class="topic-metadata">

**Author:** [@protonmw](https://discourse.nodered.org/u/protonmw)\
**Replies:** 0\
**Last updated:** [4 September 2023 09:21 UTC](https://discourse.nodered.org/t/tcp-request-how-to-change-address-and-close-connection/81029 "2023-09-04T09:21:16Z")

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Hi experts! Nodered is running on a raspberry pi (up-to-date) in a working environment with 2 identical SCPI measurement devices on different IP address. I need to communicate with one of them (user chooses wich one) bu…

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## [Sharing data (json) between Node-red Editor (Nodes) and custom editor theme comonents](https://discourse.nodered.org/t/sharing-data-json-between-node-red-editor-nodes-and-custom-editor-theme-comonents/81028)

<div class="topic-metadata">

**Author:** [@Pioneerj](https://discourse.nodered.org/u/Pioneerj)\
**Replies:** 3\
**Last updated:** [4 September 2023 08:47 UTC](https://discourse.nodered.org/t/sharing-data-json-between-node-red-editor-nodes-and-custom-editor-theme-comonents/81028 "2023-09-04T08:47:29Z")

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Hello All, I am experimenting custom theme for Node-Red editor. I am also referring: I have one query: How to send/share node data (like json data) to my custom theme component and vice-versa. Thanks in advance.

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