# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=173

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

**Page:** 174

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## [Hub TAPO H100 node red](https://discourse.nodered.org/t/hub-tapo-h100-node-red/81677)

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**Author:** [@Hagory85](https://discourse.nodered.org/u/Hagory85)\
**Replies:** 5\
**Last updated:** [1 October 2023 09:25 UTC](https://discourse.nodered.org/t/hub-tapo-h100-node-red/81677 "2023-10-01T09:25:19Z")

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I would like to integrate the tapo H100 hub into node red, I have other lights, plugs... but I don't know how I can integrate this... does anyone know something and can help me?

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## [Requiring a msg structure - enforcing the presence of fields and attributes](https://discourse.nodered.org/t/requiring-a-msg-structure-enforcing-the-presence-of-fields-and-attributes/81432)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 24\
**Last updated:** [30 September 2023 21:30 UTC](https://discourse.nodered.org/t/requiring-a-msg-structure-enforcing-the-presence-of-fields-and-attributes/81432 "2023-09-30T21:30:45Z")

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Hi There! I'm sure this question has been posed many times before but I didn't find anything quickly - therefore: sorry for the repetition! The core of the question is: is there a way to define the structure of a messa…

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## [Node-Red-Matter-Bridge - Proper Setup?](https://discourse.nodered.org/t/node-red-matter-bridge-proper-setup/81497)

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**Author:** [@rgerrans](https://discourse.nodered.org/u/rgerrans)\
**Replies:** 14\
**Last updated:** [30 September 2023 17:49 UTC](https://discourse.nodered.org/t/node-red-matter-bridge-proper-setup/81497 "2023-09-30T17:49:18Z")

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@sammachin Thanks for starting up this project. This approach seems more in alignment with how I want to use matter nodes. So I've successfully setup a bridge tied to a dimmable light node, setup a Google Home Project t…

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## [Npm install @next option](https://discourse.nodered.org/t/npm-install-next-option/81686)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 1\
**Last updated:** [30 September 2023 16:28 UTC](https://discourse.nodered.org/t/npm-install-next-option/81686 "2023-09-30T16:28:34Z")

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I ran npm install node-red-dashboard@next, hoping to upgrade from v3.6.0 to the not yet released 3.6.1 but instead I got v3.0.3 beta. Does "@next" mean "The highest beta version available" or does an "@next" flag need t…

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## [Node-RED flow to Mermaid diagram](https://discourse.nodered.org/t/node-red-flow-to-mermaid-diagram/81412)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 17\
**Last updated:** [30 September 2023 09:58 UTC](https://discourse.nodered.org/t/node-red-flow-to-mermaid-diagram/81412 "2023-09-30T09:58:54Z")

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Hi There! I've been playing around with Mermaid diagrams for a while and now that in version 3.1.x they are officially supported, I've created a convertor flow that takes your node-red flow and generates a Mermaid flow …

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## [Raspberry Pi TO Node-Red](https://discourse.nodered.org/t/raspberry-pi-to-node-red/81667)

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**Author:** [@VicK](https://discourse.nodered.org/u/VicK)\
**Replies:** 4\
**Last updated:** [30 September 2023 05:28 UTC](https://discourse.nodered.org/t/raspberry-pi-to-node-red/81667 "2023-09-30T05:28:14Z")

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Hi I am part of IIOT project so I need to connect node red with raspberry Pi and need to get the data from S7-1500 then collect all data send to cloud. If anybody worked before raspberry pi,Node-red and cloud network te…

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## [Trying to write a Function Node for monitoring temperatures](https://discourse.nodered.org/t/trying-to-write-a-function-node-for-monitoring-temperatures/81642)

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**Author:** [@terminus](https://discourse.nodered.org/u/terminus)\
**Replies:** 28\
**Last updated:** [29 September 2023 20:57 UTC](https://discourse.nodered.org/t/trying-to-write-a-function-node-for-monitoring-temperatures/81642 "2023-09-29T20:57:57Z")

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Hey Guys, I'm trying to write a function node which monitors a Home Assistant Event State Node output (Temperatur as string e.g. 23.6...) for temperature changes. If the temperature changes within a given time to a certa…

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## [Let or const with use of if statement](https://discourse.nodered.org/t/let-or-const-with-use-of-if-statement/81675)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 4\
**Last updated:** [29 September 2023 20:43 UTC](https://discourse.nodered.org/t/let-or-const-with-use-of-if-statement/81675 "2023-09-29T20:43:01Z")

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Which is the better method of writing JavaScript functions? 1st one uses let variable and 2nd uses a const variable. let isRadioOn; if (global.get("radios").length !== 0) { isRadioOn = 1 }else isRadioOn = 0;…

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## [How to communicate continuously with python](https://discourse.nodered.org/t/how-to-communicate-continuously-with-python/81658)

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**Author:** [@hosohoso](https://discourse.nodered.org/u/hosohoso)\
**Replies:** 2\
**Last updated:** [29 September 2023 20:13 UTC](https://discourse.nodered.org/t/how-to-communicate-continuously-with-python/81658 "2023-09-29T20:13:44Z")

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Hi. Im looking for ways to communicate between node-red and python. Sample\_code.py while True: text = input() print(f'input = {text}') This python script is excuted using exec node in node-red Normaly input() is e…

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## [Nodered projects: compare two commit hashes](https://discourse.nodered.org/t/nodered-projects-compare-two-commit-hashes/81673)

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**Author:** [@WPeters](https://discourse.nodered.org/u/WPeters)\
**Replies:** 0\
**Last updated:** [29 September 2023 13:49 UTC](https://discourse.nodered.org/t/nodered-projects-compare-two-commit-hashes/81673 "2023-09-29T13:49:57Z")

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Hello, I am having trouble with the version control of node-red. The version control is activated and I can load my repository I have. But I like the possibility to compare with older commits. For example: if you made a…

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## [Telegram adding user to channel](https://discourse.nodered.org/t/telegram-adding-user-to-channel/81668)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 0\
**Last updated:** [29 September 2023 10:07 UTC](https://discourse.nodered.org/t/telegram-adding-user-to-channel/81668 "2023-09-29T10:07:06Z")

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I am using node-red-contrib-telegrambot I would like to add some user to a channel. When the user issues a /start-command to my bot, I offer the option to assign the user to some channel via an inline keyboard. This wo…

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## [Weird things happening with \`node.status\`](https://discourse.nodered.org/t/weird-things-happening-with-node-status/81670)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [29 September 2023 11:16 UTC](https://discourse.nodered.org/t/weird-things-happening-with-node-status/81670 "2023-09-29T11:16:35Z")

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(Yes, I've been in a similar place before.) I think this is different. Prelude: I have a function node that is receiving two messages and creating a new message when the two other messages are received. To help me wit…

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## [NODE-Red doesn't have access until i run SQL console as a different user?](https://discourse.nodered.org/t/node-red-doesnt-have-access-until-i-run-sql-console-as-a-different-user/80928)

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**Author:** [@Fell](https://discourse.nodered.org/u/Fell)\
**Replies:** 8\
**Last updated:** [29 September 2023 10:49 UTC](https://discourse.nodered.org/t/node-red-doesnt-have-access-until-i-run-sql-console-as-a-different-user/80928 "2023-09-29T10:49:57Z")

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Hello everybody I've a script engine workflow who make a Query to an SQL View. The Database who contains the view is on a different server on the network. I've a domain account (user name + password) to negociate the c…

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## [Modbus node performance testing](https://discourse.nodered.org/t/modbus-node-performance-testing/81660)

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**Author:** [@amar123](https://discourse.nodered.org/u/amar123)\
**Replies:** 7\
**Last updated:** [29 September 2023 10:12 UTC](https://discourse.nodered.org/t/modbus-node-performance-testing/81660 "2023-09-29T10:12:20Z")

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I did modbus performance testing by using modbus simulator and modbus read node. I have read data every second and generated 3 days report and checked . I could see some data loss so Is there any other node rather than…

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## [Cant see the node-red-contrib-odbc module in palette](https://discourse.nodered.org/t/cant-see-the-node-red-contrib-odbc-module-in-palette/81234)

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**Author:** [@amar123](https://discourse.nodered.org/u/amar123)\
**Replies:** 5\
**Last updated:** [29 September 2023 09:12 UTC](https://discourse.nodered.org/t/cant-see-the-node-red-contrib-odbc-module-in-palette/81234 "2023-09-29T09:12:44Z")

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I am using node-red v3.0.2 and need to install node-red-contrib-odbc but I am not able to see this module in palettes. But my other team mates are able to see that and they have same version which I have. Can somebody…

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## [Import data from sensor into node-red](https://discourse.nodered.org/t/import-data-from-sensor-into-node-red/81534)

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**Author:** [@snax](https://discourse.nodered.org/u/snax)\
**Replies:** 22\
**Last updated:** [29 September 2023 07:20 UTC](https://discourse.nodered.org/t/import-data-from-sensor-into-node-red/81534 "2023-09-29T07:20:05Z")

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Hey people! I’m doing a uni assignment on Iot, and we are doing a soil moisture system with a water pump. One stipulation is that we need to use Node-Red. List of components \*MCP3008 8-channel ADC Raspberry Pi 4 \*Df…

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## [OXRS web app setup](https://discourse.nodered.org/t/oxrs-web-app-setup/81634)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 2\
**Last updated:** [29 September 2023 00:07 UTC](https://discourse.nodered.org/t/oxrs-web-app-setup/81634 "2023-09-29T00:07:51Z")

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@craigcurtin I saw your post on discord, but thought it would be better to respond here. I'm case there are any others interested. I have the web demo app setup for testing in NR. OXRS-IO-TouchPanel-WEB-APP Here is a s…

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## [Alexa Echo Devices](https://discourse.nodered.org/t/alexa-echo-devices/81630)

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**Author:** [@J728man](https://discourse.nodered.org/u/J728man)\
**Replies:** 4\
**Last updated:** [28 September 2023 23:16 UTC](https://discourse.nodered.org/t/alexa-echo-devices/81630 "2023-09-28T23:16:40Z")

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I'm having an issue with Node-Red that it will not see any of my Alexa Echo Devices. I have the latest node-red-contrib-alexa-home 2.0.2 install but it still will not see my Alexa Echo Devices

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## [Disable the status message from http request node](https://discourse.nodered.org/t/disable-the-status-message-from-http-request-node/81637)

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**Author:** [@cristianTeknoir](https://discourse.nodered.org/u/cristianTeknoir)\
**Replies:** 7\
**Last updated:** [28 September 2023 21:03 UTC](https://discourse.nodered.org/t/disable-the-status-message-from-http-request-node/81637 "2023-09-28T21:03:22Z")

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Hi, Maybe it's something simple but I've searched for this setting everywhere and this is my last resort. Whatever URL I input in the node it will show me sort of like a preview of the request below the node. How can …

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## [Inserted options of dropdown disappear after Deploy](https://discourse.nodered.org/t/inserted-options-of-dropdown-disappear-after-deploy/81649)

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**Author:** [@thematrixrearwindow](https://discourse.nodered.org/u/thematrixrearwindow)\
**Replies:** 3\
**Last updated:** [28 September 2023 20:35 UTC](https://discourse.nodered.org/t/inserted-options-of-dropdown-disappear-after-deploy/81649 "2023-09-28T20:35:47Z")

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I am inserting some options for a dropdown node. Everything went fine, until the next deploy, then the options of the dropdown are gone and the dropdown has empty selections (options). When i then insert the options ag…

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## [How to show old and current values in same chart](https://discourse.nodered.org/t/how-to-show-old-and-current-values-in-same-chart/81591)

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**Author:** [@Moosbueffel](https://discourse.nodered.org/u/Moosbueffel)\
**Replies:** 6\
**Last updated:** [28 September 2023 12:37 UTC](https://discourse.nodered.org/t/how-to-show-old-and-current-values-in-same-chart/81591 "2023-09-28T12:37:59Z")

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I have a photovoltaic and want to display the generated power of last day and the current values in the same chart. The reason is e.g. - especialla on days like now - to see, at which time I get a power boost and also …

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## [Removing Nodes from node red in homeassistant](https://discourse.nodered.org/t/removing-nodes-from-node-red-in-homeassistant/81645)

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**Author:** [@lilducky](https://discourse.nodered.org/u/lilducky)\
**Replies:** 7\
**Last updated:** [28 September 2023 20:20 UTC](https://discourse.nodered.org/t/removing-nodes-from-node-red-in-homeassistant/81645 "2023-09-28T20:20:52Z")

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Hi, I am very new to node-red and I'm using it inside of HomeAssistant for some automations. I was wanting to install this node red logic package but it says conflict and wont let me install it. it says it conflict wit…

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## [Insert Dynamic Labels for ChartJS into Template Node](https://discourse.nodered.org/t/insert-dynamic-labels-for-chartjs-into-template-node/81648)

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**Author:** [@KAMERONSWENSON](https://discourse.nodered.org/u/KAMERONSWENSON)\
**Replies:** 1\
**Last updated:** [28 September 2023 18:13 UTC](https://discourse.nodered.org/t/insert-dynamic-labels-for-chartjs-into-template-node/81648 "2023-09-28T18:13:31Z")

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Hello, I have a flow that I am wanting to insert data into chartJS through a template node into the UI template node to view chartjs on dashboard. I have attached the pictures in the following order: Inject =\> Function…

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## [View source code of nodes](https://discourse.nodered.org/t/view-source-code-of-nodes/81646)

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**Author:** [@sepp](https://discourse.nodered.org/u/sepp)\
**Replies:** 4\
**Last updated:** [28 September 2023 18:04 UTC](https://discourse.nodered.org/t/view-source-code-of-nodes/81646 "2023-09-28T18:04:32Z")

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hi, i am trying to use "4-rocker" node from node-red-contrib-enocean, is it posiible to view source code from nodes, if yess, how to? thanks

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## [From buffer-parser to values](https://discourse.nodered.org/t/from-buffer-parser-to-values/81575)

<div class="topic-metadata">

**Author:** [@Wolfe](https://discourse.nodered.org/u/Wolfe)\
**Replies:** 28\
**Last updated:** [28 September 2023 16:54 UTC](https://discourse.nodered.org/t/from-buffer-parser-to-values/81575 "2023-09-28T16:54:52Z")

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Hi together, beeing a novice in Node-Red, I kindly ask for support in my first steps. I managed to connect to a "modbus source" (KSEM), getting power injected to grid (middle) and received (top). Now I like to add both…

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## [Node-red-contrib-mssql-plus 0.11.0 missing UI](https://discourse.nodered.org/t/node-red-contrib-mssql-plus-0-11-0-missing-ui/81621)

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**Author:** [@rjm21](https://discourse.nodered.org/u/rjm21)\
**Replies:** 2\
**Last updated:** [28 September 2023 15:38 UTC](https://discourse.nodered.org/t/node-red-contrib-mssql-plus-0-11-0-missing-ui/81621 "2023-09-28T15:38:31Z")

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I have two identical machines using node-red to take values from a PLC and store in MSSQL using the MSSQL-PLUS node. On one machine, node-red-contrib-mssql-plus is at 0.10.2. The other is updated to 0.11.0. The node ed…

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## [Problem with having multiple messages/events at the same time](https://discourse.nodered.org/t/problem-with-having-multiple-messages-events-at-the-same-time/81640)

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**Author:** [@kaiossoares](https://discourse.nodered.org/u/kaiossoares)\
**Replies:** 1\
**Last updated:** [28 September 2023 15:08 UTC](https://discourse.nodered.org/t/problem-with-having-multiple-messages-events-at-the-same-time/81640 "2023-09-28T15:08:11Z")

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Hello everyone, everything good? I'm developing some flows on node-red and I came across a problem. When I receive just one event/message in my flows, it works great, however, when I receive several events/messages at t…

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## [Telegram custom keyboard](https://discourse.nodered.org/t/telegram-custom-keyboard/81587)

<div class="topic-metadata">

**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 17\
**Last updated:** [28 September 2023 12:46 UTC](https://discourse.nodered.org/t/telegram-custom-keyboard/81587 "2023-09-28T12:46:41Z")

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Im am using node-red-contrib-telegrambot. I am trying to create a custom keyboard but was not able to setup the payload properly. This is how I tried it: \[ { "id": "2cebda8cf198719a", "type": "chan…

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## [Reading global environment variable from function node](https://discourse.nodered.org/t/reading-global-environment-variable-from-function-node/81619)

<div class="topic-metadata">

**Author:** [@msbadreldin](https://discourse.nodered.org/u/msbadreldin)\
**Replies:** 5\
**Last updated:** [28 September 2023 06:19 UTC](https://discourse.nodered.org/t/reading-global-environment-variable-from-function-node/81619 "2023-09-28T06:19:35Z")

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Hi there, I have set "global environment variable" in user setting with value of type "credential", when i try to resolve the value in function node using env.get('xxx'), the value shows like "PWRD" using node.error. W…

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## [Node-red crash with "node-red-node-tail"](https://discourse.nodered.org/t/node-red-crash-with-node-red-node-tail/81614)

<div class="topic-metadata">

**Author:** [@mariomol](https://discourse.nodered.org/u/mariomol)\
**Replies:** 13\
**Last updated:** [27 September 2023 22:48 UTC](https://discourse.nodered.org/t/node-red-crash-with-node-red-node-tail/81614 "2023-09-27T22:48:07Z")

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Hi, I'm trying to build an industrial application to collect data from 20 machines in a production line for a medical device manufacturer company, each machine has a Windows PC with a "Log.txt" where the last line of thi…

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