# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=400

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

**Page:** 401

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## [Node-red-contrib-nrf24 install problems](https://discourse.nodered.org/t/node-red-contrib-nrf24-install-problems/59224)

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**Author:** [@mariusl](https://discourse.nodered.org/u/mariusl)\
**Replies:** 8\
**Last updated:** [25 March 2022 09:57 UTC](https://discourse.nodered.org/t/node-red-contrib-nrf24-install-problems/59224 "2022-03-25T09:57:15Z")

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Hi I am very new here and to Node Red for that matter. I installed HomeBridge on a rpi zero from the pre-compiled image. Then I installed Node Red from the HB config utility. That is all running fine. I then tried to i…

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## [Failed to load node catalogue, use browser console for details](https://discourse.nodered.org/t/failed-to-load-node-catalogue-use-browser-console-for-details/60326)

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**Author:** [@Tejas](https://discourse.nodered.org/u/Tejas)\
**Replies:** 1\
**Last updated:** [25 March 2022 09:25 UTC](https://discourse.nodered.org/t/failed-to-load-node-catalogue-use-browser-console-for-details/60326 "2022-03-25T09:25:43Z")

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Message shown by Node Red. Internet access is available but srill cannot download any node modules. Browser console error. Can anyone please guide me with a solution to get Node modules in manage pallete.

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## [Create a chart from an array of object taken from a libreoffice calc file](https://discourse.nodered.org/t/create-a-chart-from-an-array-of-object-taken-from-a-libreoffice-calc-file/60187)

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**Author:** [@Ricca\_Porcia](https://discourse.nodered.org/u/Ricca_Porcia)\
**Replies:** 2\
**Last updated:** [25 March 2022 07:26 UTC](https://discourse.nodered.org/t/create-a-chart-from-an-array-of-object-taken-from-a-libreoffice-calc-file/60187 "2022-03-25T07:26:16Z")

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good morning, I state that I am new to this platform and I am not at all expert in Javascript. I need to do a project in which I have to take data from a sheet of libreoffice calc and create a chart with those. I found …

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## [Running Multiple Node-RED Projects in a Single System Separately on Dashboard](https://discourse.nodered.org/t/running-multiple-node-red-projects-in-a-single-system-separately-on-dashboard/60273)

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**Author:** [@Ganesh](https://discourse.nodered.org/u/Ganesh)\
**Replies:** 6\
**Last updated:** [25 March 2022 06:32 UTC](https://discourse.nodered.org/t/running-multiple-node-red-projects-in-a-single-system-separately-on-dashboard/60273 "2022-03-25T06:32:15Z")

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Hi I have developed couple of Screens that I want to launch on dashboard UI , now can I launch these screen separately on dashboard at a same time and use different settings and dashboard styles for each of the screens…

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## [Suggestion about tracking orders in SQL](https://discourse.nodered.org/t/suggestion-about-tracking-orders-in-sql/58596)

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**Author:** [@demokedes](https://discourse.nodered.org/u/demokedes)\
**Replies:** 25\
**Last updated:** [24 March 2022 21:58 UTC](https://discourse.nodered.org/t/suggestion-about-tracking-orders-in-sql/58596 "2022-03-24T21:58:30Z")

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Dear all, I need some suggestion on how to get notified about completed orders from crypto exchange. There is a node that is giving me a parameters about completed orders. I am getting it in the following format: I…

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## [Fast-bandwidth not working](https://discourse.nodered.org/t/fast-bandwidth-not-working/60172)

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**Author:** [@manjha](https://discourse.nodered.org/u/manjha)\
**Replies:** 25\
**Last updated:** [24 March 2022 21:48 UTC](https://discourse.nodered.org/t/fast-bandwidth-not-working/60172 "2022-03-24T21:48:45Z")

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After trying several different flavours of speedtest, I found the fast-bandwidth node and decided to try it. Installing is not a problem, but when I trigger the node I get an error message: "failed to load the browser p…

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## [Table only shows 1st entry](https://discourse.nodered.org/t/table-only-shows-1st-entry/60302)

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**Author:** [@dsplitz](https://discourse.nodered.org/u/dsplitz)\
**Replies:** 3\
**Last updated:** [24 March 2022 16:36 UTC](https://discourse.nodered.org/t/table-only-shows-1st-entry/60302 "2022-03-24T16:36:57Z")

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I'm using a table node to display information per device. The information comes in async and I add it to the array of objects then send to the table. The flow is below. The table will only display the 1st entry. \[{"i…

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## [NR Editor constently loses connections and Trying to setup NR https using the https key and cert for a docker image running in pivotal cloudFoundry backed by AWS to resolve](https://discourse.nodered.org/t/nr-editor-constently-loses-connections-and-trying-to-setup-nr-https-using-the-https-key-and-cert-for-a-docker-image-running-in-pivotal-cloudfoundry-backed-by-aws-to-resolve/60268)

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**Author:** [@jimm1139](https://discourse.nodered.org/u/jimm1139)\
**Replies:** 1\
**Last updated:** [24 March 2022 16:19 UTC](https://discourse.nodered.org/t/nr-editor-constently-loses-connections-and-trying-to-setup-nr-https-using-the-https-key-and-cert-for-a-docker-image-running-in-pivotal-cloudfoundry-backed-by-aws-to-resolve/60268 "2022-03-24T16:19:44Z")

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Pivotal uses instance Identity Credentials and they are surfaced with the environment variables I during run time I convert them using openssl as follows to get the RSA key and the Certificate only section as follows: o…

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## [Read file node - read from file does not work](https://discourse.nodered.org/t/read-file-node-read-from-file-does-not-work/60225)

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**Author:** [@Johnster](https://discourse.nodered.org/u/Johnster)\
**Replies:** 27\
**Last updated:** [24 March 2022 14:34 UTC](https://discourse.nodered.org/t/read-file-node-read-from-file-does-not-work/60225 "2022-03-24T14:34:18Z")

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Hello, I am trying to read from file using read node, but it doesn´t work, I got this message error: "Error: ENOENT: no such file or directory, open 'C:\\Users\\Admin\\Desktop\\NR\_read.txt'". I am using NR v 2.2.2 on Win 10…

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## [Boolean message injection](https://discourse.nodered.org/t/boolean-message-injection/10637)

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**Author:** [@ihebabidi](https://discourse.nodered.org/u/ihebabidi)\
**Replies:** 7\
**Last updated:** [24 March 2022 12:53 UTC](https://discourse.nodered.org/t/boolean-message-injection/10637 "2022-03-24T12:53:01Z")

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hello all ! im using a switch to send a boolean message to a function, but i want the switch to keep sending the same message unless i change the state of the switch, is it possible?

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## [The complete msg.payload in Debug - howto](https://discourse.nodered.org/t/the-complete-msg-payload-in-debug-howto/7951)

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**Author:** [@janek](https://discourse.nodered.org/u/janek)\
**Replies:** 5\
**Last updated:** [24 March 2022 10:52 UTC](https://discourse.nodered.org/t/the-complete-msg-payload-in-debug-howto/7951 "2022-03-24T10:52:34Z")

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Hi, Is it possible to see the complete msg.payload using Debug node? I have a very long string (about 4096 characters) and only a part of it is visible in debug. Is there another way to see it? Janek

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## [Providing data on modbus for external device](https://discourse.nodered.org/t/providing-data-on-modbus-for-external-device/60284)

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**Author:** [@nico25](https://discourse.nodered.org/u/nico25)\
**Replies:** 1\
**Last updated:** [24 March 2022 10:49 UTC](https://discourse.nodered.org/t/providing-data-on-modbus-for-external-device/60284 "2022-03-24T10:49:34Z")

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Hello everyone, It´s the first for me, that I have to use modbus so I come here with some questions, just to make sure I understood right. I want to provide data on nodered-side using modbus. Therfore I installed contr…

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## [How to expose a SOAP WSDL in Node-RED so that others can do a GET Call](https://discourse.nodered.org/t/how-to-expose-a-soap-wsdl-in-node-red-so-that-others-can-do-a-get-call/60282)

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**Author:** [@kirankumar.gunjalli](https://discourse.nodered.org/u/kirankumar.gunjalli)\
**Replies:** 1\
**Last updated:** [24 March 2022 10:44 UTC](https://discourse.nodered.org/t/how-to-expose-a-soap-wsdl-in-node-red-so-that-others-can-do-a-get-call/60282 "2022-03-24T10:44:12Z")

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Hi Team, I am looking a sample example where i need to expose a SOAP WS on Node-Red so that others can do a GET call and get some data.

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## [How to parse and update group of objects of array](https://discourse.nodered.org/t/how-to-parse-and-update-group-of-objects-of-array/60278)

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**Author:** [@stanley783](https://discourse.nodered.org/u/stanley783)\
**Replies:** 2\
**Last updated:** [24 March 2022 07:51 UTC](https://discourse.nodered.org/t/how-to-parse-and-update-group-of-objects-of-array/60278 "2022-03-24T07:51:30Z")

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Hi, i have message in javascript format which i get from TheHive. I would like then to get object payload.object.tags and put that tag in prepared curl. I have this working when there is only one tag in message. The iss…

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## [Anyone using ClickHouse DB?](https://discourse.nodered.org/t/anyone-using-clickhouse-db/58274)

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**Author:** [@tcurdt](https://discourse.nodered.org/u/tcurdt)\
**Replies:** 1\
**Last updated:** [24 March 2022 07:45 UTC](https://discourse.nodered.org/t/anyone-using-clickhouse-db/58274 "2022-03-24T07:45:54Z")

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Anyone here using Node-RED with ClickHouse? If so... Do you use the MySQL interface? Or one of the client libraries via HTTP/HTTPS?

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## [Problems Node Arduino](https://discourse.nodered.org/t/problems-node-arduino/60201)

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**Author:** [@alessandro](https://discourse.nodered.org/u/alessandro)\
**Replies:** 2\
**Last updated:** [24 March 2022 07:35 UTC](https://discourse.nodered.org/t/problems-node-arduino/60201 "2022-03-24T07:35:14Z")

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Hi, I'm new here and I have a problem with the Arduino node. When sending data from node-red to Arduino, the number -1 always arrives in Arduino, while sending data (of any type) from Arduino to node-red the node is alwa…

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## [Download table generated by node-red-node-ui-table node to local machine](https://discourse.nodered.org/t/download-table-generated-by-node-red-node-ui-table-node-to-local-machine/60244)

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**Author:** [@Utkarsh](https://discourse.nodered.org/u/Utkarsh)\
**Replies:** 1\
**Last updated:** [24 March 2022 07:16 UTC](https://discourse.nodered.org/t/download-table-generated-by-node-red-node-ui-table-node-to-local-machine/60244 "2022-03-24T07:16:16Z")

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Hello, I have created a ui-table for sensor data. I would like to download it using a download button in the dashboard on the local machine. Node-red is not running on the same machine. Following is the Screenshot of t…

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## [How to play audio on raspberry from node red](https://discourse.nodered.org/t/how-to-play-audio-on-raspberry-from-node-red/60266)

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**Author:** [@Flomp](https://discourse.nodered.org/u/Flomp)\
**Replies:** 1\
**Last updated:** [24 March 2022 07:08 UTC](https://discourse.nodered.org/t/how-to-play-audio-on-raspberry-from-node-red/60266 "2022-03-24T07:08:12Z")

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Does anyone know how to play audio from my raspberry using node-red. I'm doing a project where I need an audio to be played when my sensor detects movement, so far I haven't seen anything how it can be done.

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## [Where are the subflow ids defined?](https://discourse.nodered.org/t/where-are-the-subflow-ids-defined/60274)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [24 March 2022 05:31 UTC](https://discourse.nodered.org/t/where-are-the-subflow-ids-defined/60274 "2022-03-24T05:31:07Z")

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I fell into a trap of not keeping subflows in sync between machines and recently had a problem with swapping them between machines. Nic (@knolleary) explained about the id of the subflow and that is/was the problem. Th…

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## [Node-Red SpB SCADA](https://discourse.nodered.org/t/node-red-spb-scada/57733)

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**Author:** [@aallen](https://discourse.nodered.org/u/aallen)\
**Replies:** 7\
**Last updated:** [24 March 2022 01:40 UTC](https://discourse.nodered.org/t/node-red-spb-scada/57733 "2022-03-24T01:40:33Z")

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I do not know what belongs in this field, can somebody please help me? I would like to use the store and forward feature.

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## [Error while installing legacy package versions](https://discourse.nodered.org/t/error-while-installing-legacy-package-versions/60254)

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**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\
**Replies:** 4\
**Last updated:** [23 March 2022 20:31 UTC](https://discourse.nodered.org/t/error-while-installing-legacy-package-versions/60254 "2022-03-23T20:31:37Z")

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Hi, I've installed some packages using uibuilder frontend library manager. The problem is some of them dont work with each other, so I removed them and used a console to install legacy packages using @3.5.3. The packa…

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## [HTTP Request without Success](https://discourse.nodered.org/t/http-request-without-success/60220)

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**Author:** [@Triark](https://discourse.nodered.org/u/Triark)\
**Replies:** 4\
**Last updated:** [23 March 2022 18:14 UTC](https://discourse.nodered.org/t/http-request-without-success/60220 "2022-03-23T18:14:22Z")

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Hello, I'm trying to make the same request as this one, but with a CHANGE or FUNCTION node, and I can't get it... the server responds that it doesn't receive the USERNAME or the LEVEL... NODEJS example: var request = …

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## [Add prefix to string and send it to Thingsboard](https://discourse.nodered.org/t/add-prefix-to-string-and-send-it-to-thingsboard/60253)

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**Author:** [@\_mirjka](https://discourse.nodered.org/u/_mirjka)\
**Replies:** 3\
**Last updated:** [23 March 2022 17:41 UTC](https://discourse.nodered.org/t/add-prefix-to-string-and-send-it-to-thingsboard/60253 "2022-03-23T17:41:33Z")

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Hi, I´m struggeling with a syntax problem: I only want to add a prefix to a number und convert it into a JSON in order to send it as "key": value to Thingsboard. Message: {"attribute1":"value1"} This flow shows my pro…

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## [Node-red-debugger install broken?](https://discourse.nodered.org/t/node-red-debugger-install-broken/60193)

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**Author:** [@smithy](https://discourse.nodered.org/u/smithy)\
**Replies:** 2\
**Last updated:** [23 March 2022 17:20 UTC](https://discourse.nodered.org/t/node-red-debugger-install-broken/60193 "2022-03-23T17:20:14Z")

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Hi I recently upgraded an old pre version 2 install of NR on a PI4 and also coincidentally built a brand new NR install on Synology. One of the main reasons I upgraded my old NR install was to use the new flow debugger. …

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## [Sending synology NAS temperature value in a complete sentence by email](https://discourse.nodered.org/t/sending-synology-nas-temperature-value-in-a-complete-sentence-by-email/60249)

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**Author:** [@minouch](https://discourse.nodered.org/u/minouch)\
**Replies:** 2\
**Last updated:** [23 March 2022 16:19 UTC](https://discourse.nodered.org/t/sending-synology-nas-temperature-value-in-a-complete-sentence-by-email/60249 "2022-03-23T16:19:24Z")

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Hi everyone. before starting i'm a real beginner with node red and i'm trying to train myself with some basics. right now, i'm trying to collect the temperature information from my synology NAS and i'd like to send the…

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## [How to autoinstall external nodes when importing flows](https://discourse.nodered.org/t/how-to-autoinstall-external-nodes-when-importing-flows/60235)

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**Author:** [@quemf](https://discourse.nodered.org/u/quemf)\
**Replies:** 2\
**Last updated:** [23 March 2022 15:25 UTC](https://discourse.nodered.org/t/how-to-autoinstall-external-nodes-when-importing-flows/60235 "2022-03-23T15:25:29Z")

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Hi everyone, Lately I need to import different flows to my Node-RED, with nodes that are not installed by default, and I was wondering if there is a parameter in the configuration or a way to auto-install them automatic…

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## [How can I dim light to a min number amount](https://discourse.nodered.org/t/how-can-i-dim-light-to-a-min-number-amount/60241)

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**Author:** [@DariBer](https://discourse.nodered.org/u/DariBer)\
**Replies:** 1\
**Last updated:** [23 March 2022 14:17 UTC](https://discourse.nodered.org/t/how-can-i-dim-light-to-a-min-number-amount/60241 "2022-03-23T14:17:30Z")

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I'm new to Node-RED so please go easy on me here :slight\_smile: I have created a flow when I change a sensor from off to on it will dim down a light bulb I have in Home Assistant. Unfortunately when the dim comes to 0 …

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## [Node red flow frequently stopped](https://discourse.nodered.org/t/node-red-flow-frequently-stopped/59961)

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**Author:** [@TROJAN053](https://discourse.nodered.org/u/TROJAN053)\
**Replies:** 16\
**Last updated:** [23 March 2022 11:01 UTC](https://discourse.nodered.org/t/node-red-flow-frequently-stopped/59961 "2022-03-23T11:01:51Z")

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HI, My Node flows are stopped frequently showing error for javaScript heap out of memory. Screenshot attached. What could be the possible reason any ideas!!!.

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## [Pass msq payload to SQL query where clause](https://discourse.nodered.org/t/pass-msq-payload-to-sql-query-where-clause/60231)

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**Author:** [@QGIO](https://discourse.nodered.org/u/QGIO)\
**Replies:** 5\
**Last updated:** [23 March 2022 10:58 UTC](https://discourse.nodered.org/t/pass-msq-payload-to-sql-query-where-clause/60231 "2022-03-23T10:58:42Z")

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Hi node-red forum, Is it possible to pass a msg payload to SQL query node to use in the where cluase? I mean somenthing like this: Which is the correct syntax? The path of the msg payload to pass is payload.topic1…

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## [How do you change the properties of a node while the application is running?](https://discourse.nodered.org/t/how-do-you-change-the-properties-of-a-node-while-the-application-is-running/60230)

<div class="topic-metadata">

**Author:** [@chappo\_2](https://discourse.nodered.org/u/chappo_2)\
**Replies:** 1\
**Last updated:** [23 March 2022 10:39 UTC](https://discourse.nodered.org/t/how-do-you-change-the-properties-of-a-node-while-the-application-is-running/60230 "2022-03-23T10:39:24Z")

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I am using the 'serial in' (node-red-node-serialport) node and would like to change the serial port settings based on information recieved over mqtt. However, I do not know a way to change the properties of a node while…

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