# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=140

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

**Page:** 141

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## [Adding payload into JSON object?](https://discourse.nodered.org/t/adding-payload-into-json-object/84668)

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**Author:** [@EaB11](https://discourse.nodered.org/u/EaB11)\
**Replies:** 6\
**Last updated:** [18 January 2024 02:31 UTC](https://discourse.nodered.org/t/adding-payload-into-json-object/84668 "2024-01-18T02:31:53Z")

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hi all... im trying to put a number being output from a smooth node into a JSON object.. here is the JSON object { "inputName": "Tempo", "inputSettings": { "text": "hello test" } } the number being output from the…

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## [Voice control in Android Tablet + NR](https://discourse.nodered.org/t/voice-control-in-android-tablet-nr/84666)

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**Author:** [@Vilnis\_R](https://discourse.nodered.org/u/Vilnis_R)\
**Replies:** 0\
**Last updated:** [17 January 2024 22:00 UTC](https://discourse.nodered.org/t/voice-control-in-android-tablet-nr/84666 "2024-01-17T22:00:35Z")

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Hi! I wonder if anybody can suggest me Android based voice control app with MQTT functionality. I do have Rasp and NR+Mqtt on it. Additionally I have 4 Android tablets running WallPanel app and displaying NR Dashboard. N…

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## [Data collections from PLC\`s](https://discourse.nodered.org/t/data-collections-from-plc-s/84643)

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**Author:** [@gordone](https://discourse.nodered.org/u/gordone)\
**Replies:** 5\
**Last updated:** [17 January 2024 19:07 UTC](https://discourse.nodered.org/t/data-collections-from-plc-s/84643 "2024-01-17T19:07:09Z")

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I have a SCADA system with 3-4 PLC\`s and looking into building a data collector with Node-RED and push the data forward to AWS. Is there any limitations on number of tags ? Is it only come down to the hardware? Example…

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## [Inluxdb in node](https://discourse.nodered.org/t/inluxdb-in-node/84664)

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**Author:** [@Kimber](https://discourse.nodered.org/u/Kimber)\
**Replies:** 2\
**Last updated:** [17 January 2024 17:38 UTC](https://discourse.nodered.org/t/inluxdb-in-node/84664 "2024-01-17T17:38:31Z")

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Good Afternoon. I'm looking for assistance with my project. I am using Node-Red and InfluxDB2.0 I have several instances where I'm moving data into a database from Node-red. Now I want to pull data from the Database an…

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## [How to get path params from http post url](https://discourse.nodered.org/t/how-to-get-path-params-from-http-post-url/84591)

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**Author:** [@shershah](https://discourse.nodered.org/u/shershah)\
**Replies:** 5\
**Last updated:** [17 January 2024 17:14 UTC](https://discourse.nodered.org/t/how-to-get-path-params-from-http-post-url/84591 "2024-01-17T17:14:00Z")

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Hi, How to get path params from http post url. e.g. http://nodered:1880/post/{name}. I am trying through msg.req.name but its not working.

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## [TCP Server Issue with Docker](https://discourse.nodered.org/t/tcp-server-issue-with-docker/84658)

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**Author:** [@IoTG](https://discourse.nodered.org/u/IoTG)\
**Replies:** 5\
**Last updated:** [17 January 2024 16:29 UTC](https://discourse.nodered.org/t/tcp-server-issue-with-docker/84658 "2024-01-17T16:29:56Z")

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New to Node-Red but learning from the last few days. Here is my setup and my issue. I would appreciate it if someone guided me on what I miss here. My Ubuntu server IP address is - 192.168.1.34 My Node-Red is running …

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## [First Post - Combine csv node with my filename assignment](https://discourse.nodered.org/t/first-post-combine-csv-node-with-my-filename-assignment/84580)

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**Author:** [@DWoodlock](https://discourse.nodered.org/u/DWoodlock)\
**Replies:** 15\
**Last updated:** [17 January 2024 16:05 UTC](https://discourse.nodered.org/t/first-post-combine-csv-node-with-my-filename-assignment/84580 "2024-01-17T16:05:12Z")

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Hello All, Recently started getting my feet wet with node-red, and slowly progressing, but I've reached a point where I thought I would ask for guidance. Connect to OPCUA server - done Connect to local network share -…

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## [HTTP Response Header for static content](https://discourse.nodered.org/t/http-response-header-for-static-content/84605)

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**Author:** [@crispy](https://discourse.nodered.org/u/crispy)\
**Replies:** 21\
**Last updated:** [17 January 2024 16:02 UTC](https://discourse.nodered.org/t/http-response-header-for-static-content/84605 "2024-01-17T16:02:46Z")

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Hi all, I have a working flow that serves a page of HTML in response to a GET request. The HTML references some images that I have in a 'images' directory in the location configured in settings.js (/home/username/.node-…

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## [Trigger flow when dashboard tab displayed?](https://discourse.nodered.org/t/trigger-flow-when-dashboard-tab-displayed/84588)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [17 January 2024 15:52 UTC](https://discourse.nodered.org/t/trigger-flow-when-dashboard-tab-displayed/84588 "2024-01-17T15:52:43Z")

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Trigger flow when dashboard tab displayed? I recall doing this when I first started learning NR... but for the life of me, I can't seem to find my old flow where I used this technique. And, can't seem to find the forum…

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## [Can we log 2000 tag data into MySQL](https://discourse.nodered.org/t/can-we-log-2000-tag-data-into-mysql/84638)

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**Author:** [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Replies:** 6\
**Last updated:** [17 January 2024 15:42 UTC](https://discourse.nodered.org/t/can-we-log-2000-tag-data-into-mysql/84638 "2024-01-17T15:42:47Z")

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I am doing a ems projects in which 2000 tags I have to read and log tag data into MySQL. Is it possible to log 2000 tag data into MySQL from node-red without any issue? If any use case please suggest.

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## [Where is the package name stored and how would you hint to it if it was missing?](https://discourse.nodered.org/t/where-is-the-package-name-stored-and-how-would-you-hint-to-it-if-it-was-missing/84654)

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**Author:** [@zombiesbyte](https://discourse.nodered.org/u/zombiesbyte)\
**Replies:** 1\
**Last updated:** [17 January 2024 14:04 UTC](https://discourse.nodered.org/t/where-is-the-package-name-stored-and-how-would-you-hint-to-it-if-it-was-missing/84654 "2024-01-17T14:04:31Z")

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Hi, I'm new to node red and one thing I've noticed was that missing nodes do not hint to their actual packages in some situations. For instance, if I create a package locally and provide the required prefix of "node-red…

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## [Email Node problem](https://discourse.nodered.org/t/email-node-problem/84648)

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**Author:** [@Klarab](https://discourse.nodered.org/u/Klarab)\
**Replies:** 0\
**Last updated:** [17 January 2024 12:20 UTC](https://discourse.nodered.org/t/email-node-problem/84648 "2024-01-17T12:20:45Z")

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I would like to connect Node red to a room folder in Outlook, and that works so far. But now I would like to use a subcontract of it. In the email node I entered INBOX/subfolder under directory, but that doesn't work.

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## [Help configuring 2 way light switching in Node Red](https://discourse.nodered.org/t/help-configuring-2-way-light-switching-in-node-red/84642)

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**Author:** [@Steuart](https://discourse.nodered.org/u/Steuart)\
**Replies:** 6\
**Last updated:** [17 January 2024 12:06 UTC](https://discourse.nodered.org/t/help-configuring-2-way-light-switching-in-node-red/84642 "2024-01-17T12:06:14Z")

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Hi, I'm new to Node Red and I'm stuck with what seems the simplest of problems. I've changed the light switches in my house to Tasmota flashed smart switches. I've followed Peter Scargill's advice and avoided "rules" wit…

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## [Home Assistant + Yeelight + Node-red](https://discourse.nodered.org/t/home-assistant-yeelight-node-red/83593)

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**Author:** [@seyeon](https://discourse.nodered.org/u/seyeon)\
**Replies:** 1\
**Last updated:** [11 December 2023 07:32 UTC](https://discourse.nodered.org/t/home-assistant-yeelight-node-red/83593 "2023-12-11T07:32:41Z")

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Hello, I'm experiencing an issue where updates to my Node-RED flow are not being applied correctly, specifically with nodes controlling the brightness of lights in my home automation setup. The expected behavior is for …

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## [Array length limit](https://discourse.nodered.org/t/array-length-limit/84625)

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**Author:** [@ibsoftweb](https://discourse.nodered.org/u/ibsoftweb)\
**Replies:** 4\
**Last updated:** [17 January 2024 07:07 UTC](https://discourse.nodered.org/t/array-length-limit/84625 "2024-01-17T07:07:39Z")

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How to increase array length? I have to store move then 20K records in array

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## [How Node-red's memory recycling mechanism works](https://discourse.nodered.org/t/how-node-reds-memory-recycling-mechanism-works/84462)

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**Author:** [@Yesung](https://discourse.nodered.org/u/Yesung)\
**Replies:** 38\
**Last updated:** [16 January 2024 20:37 UTC](https://discourse.nodered.org/t/how-node-reds-memory-recycling-mechanism-works/84462 "2024-01-16T20:37:29Z")

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I installed a Node-red on a Linux embedded device with limited space, and wrote some complex flowcharts. Through the "top" command in Linux, it was found that Node-red has a very high usage of virtual memory (exceeding …

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## [Using node.status to indicate that a flow has stopped](https://discourse.nodered.org/t/using-node-status-to-indicate-that-a-flow-has-stopped/84603)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 2\
**Last updated:** [16 January 2024 19:26 UTC](https://discourse.nodered.org/t/using-node-status-to-indicate-that-a-flow-has-stopped/84603 "2024-01-16T19:26:50Z")

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The aim is to give a visual warning in the editor that a flow has stopped flowing using node.status. I wrote the code below using setTimeout but it doesn't seem to work as planned, as it displays "STALE" despite the flo…

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## [Google-cloud-bigquery crash](https://discourse.nodered.org/t/google-cloud-bigquery-crash/84604)

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**Author:** [@Jen](https://discourse.nodered.org/u/Jen)\
**Replies:** 4\
**Last updated:** [16 January 2024 13:45 UTC](https://discourse.nodered.org/t/google-cloud-bigquery-crash/84604 "2024-01-16T13:45:46Z")

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I am trying to use google-cloud-bigquery from node-red-contrib-google-cloud But when performing "select", nod red crashes and does not produce a result. what could be the problem? \[inject\]—-\[google-cloud-bigquery\]—-\[de…

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## [Erreur de syntax a l installation une solution?](https://discourse.nodered.org/t/erreur-de-syntax-a-l-installation-une-solution/84597)

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**Author:** [@perdusansvous](https://discourse.nodered.org/u/perdusansvous)\
**Replies:** 5\
**Last updated:** [16 January 2024 12:05 UTC](https://discourse.nodered.org/t/erreur-de-syntax-a-l-installation-une-solution/84597 "2024-01-16T12:05:56Z")

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bonjour je viens d installer nod red et j ai l erreur suivante a l installation SyntaxError: Error parsing /usr/local/lib/node\_modules/npm/package.json: Unexpected end of JSON input comment contourner ce probleme mer…

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## [Hacker erased my flows and put THIS flow in](https://discourse.nodered.org/t/hacker-erased-my-flows-and-put-this-flow-in/84190)

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**Author:** [@Charlier26](https://discourse.nodered.org/u/Charlier26)\
**Replies:** 18\
**Last updated:** [16 January 2024 10:45 UTC](https://discourse.nodered.org/t/hacker-erased-my-flows-and-put-this-flow-in/84190 "2024-01-16T10:45:47Z")

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When I woke up today, none of my flows were there anymore, and a 'flow' that I have no idea where it came from was there. Here is what it showed: Does anyone have an idea what this node was doing to my system? Thanks…

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## [Poll state node with timer](https://discourse.nodered.org/t/poll-state-node-with-timer/84594)

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**Author:** [@dandgam](https://discourse.nodered.org/u/dandgam)\
**Replies:** 0\
**Last updated:** [16 January 2024 07:21 UTC](https://discourse.nodered.org/t/poll-state-node-with-timer/84594 "2024-01-16T07:21:23Z")

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Hello everyone. I have climate control based on the temperature that I receive from the poll state node. Tell me the node scheme that will have a schedule for the days of the week and if, when the virtual button is activ…

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## [Mustache date expansion bug?](https://discourse.nodered.org/t/mustache-date-expansion-bug/84590)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 2\
**Last updated:** [16 January 2024 08:05 UTC](https://discourse.nodered.org/t/mustache-date-expansion-bug/84590 "2024-01-16T08:05:29Z")

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I am rendering a template with mustache formatting. format\_date('{{{payload.0.OrderDate}}}') payload.0.OrderDate comes from a database, format: 2024-01-11 11:59:32.903 However, after rendering the template, this is th…

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## [How to connect a Oracle DB](https://discourse.nodered.org/t/how-to-connect-a-oracle-db/84586)

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**Author:** [@LuisFer](https://discourse.nodered.org/u/LuisFer)\
**Replies:** 1\
**Last updated:** [16 January 2024 07:59 UTC](https://discourse.nodered.org/t/how-to-connect-a-oracle-db/84586 "2024-01-16T07:59:24Z")

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Good evening, I have a problem to make the configuration of the oracledb mod node, I make the connection configuration but I do not know how to fill the instant client path field, I am new to oracle, try the configuratio…

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## [Redis Context Store](https://discourse.nodered.org/t/redis-context-store/84587)

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**Author:** [@notscottsmith](https://discourse.nodered.org/u/notscottsmith)\
**Replies:** 0\
**Last updated:** [16 January 2024 03:36 UTC](https://discourse.nodered.org/t/redis-context-store/84587 "2024-01-16T03:36:46Z")

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Hi All, I am looking to use Redis as a store for several things used/retrieved in node red but I'd also love to be able to redirect the context store to use redis as well. I've found this: GitHub - node-red/node-red-co…

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## [Two Node-RED instances embeded in the same application](https://discourse.nodered.org/t/two-node-red-instances-embeded-in-the-same-application/84571)

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**Author:** [@scbp16](https://discourse.nodered.org/u/scbp16)\
**Replies:** 3\
**Last updated:** [15 January 2024 23:46 UTC](https://discourse.nodered.org/t/two-node-red-instances-embeded-in-the-same-application/84571 "2024-01-15T23:46:43Z")

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Hello, I have a Node-RED instance embeded in a Express application using the setup explained here: Embedding into an existing app : Node-RED But now I want to have another separate Node-RED instance in the same applica…

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## [Configuring the setting.js file](https://discourse.nodered.org/t/configuring-the-setting-js-file/84563)

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**Author:** [@sercancetin](https://discourse.nodered.org/u/sercancetin)\
**Replies:** 3\
**Last updated:** [15 January 2024 20:19 UTC](https://discourse.nodered.org/t/configuring-the-setting-js-file/84563 "2024-01-15T20:19:53Z")

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Hello. How can I configure /.node-red/settings.js from the node-red interface? Is there such a node or flow?

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## [How can I filter out 1 JSON input from another?](https://discourse.nodered.org/t/how-can-i-filter-out-1-json-input-from-another/84557)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 14\
**Last updated:** [15 January 2024 18:06 UTC](https://discourse.nodered.org/t/how-can-i-filter-out-1-json-input-from-another/84557 "2024-01-15T18:06:42Z")

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Hi, I am receiving msg.payload.humidity and msg.payload.temperature correctly on debug payload node. You can see i have setup a change node. the debug 54 gets the correct msg.payload.temperature, but I guess also the…

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## [Concat in mqtt topic variable plus text](https://discourse.nodered.org/t/concat-in-mqtt-topic-variable-plus-text/84568)

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**Author:** [@domingopdf](https://discourse.nodered.org/u/domingopdf)\
**Replies:** 3\
**Last updated:** [15 January 2024 17:38 UTC](https://discourse.nodered.org/t/concat-in-mqtt-topic-variable-plus-text/84568 "2024-01-15T17:38:24Z")

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Hi, I'm trying to publish and subscribe on several topics that have the same first part. I include this first part in a subflow using a variable. I am not able to add the final part of the topic. For example, I want the …

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## [Cronplus day/month specification](https://discourse.nodered.org/t/cronplus-day-month-specification/84544)

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**Author:** [@xytsrm](https://discourse.nodered.org/u/xytsrm)\
**Replies:** 7\
**Last updated:** [15 January 2024 16:01 UTC](https://discourse.nodered.org/t/cronplus-day-month-specification/84544 "2024-01-15T16:01:11Z")

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I have used the following specification: 0 45 23 \* DEC,JAN \*. The timer will fire every day at 2345 for December & January. I wanted to add specific days to December & January. For this specification: 0 45 23 6-31 DEC,…

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## [Noisecraft - anyone heard of it?](https://discourse.nodered.org/t/noisecraft-anyone-heard-of-it/79813)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 106\
**Last updated:** [15 January 2024 14:54 UTC](https://discourse.nodered.org/t/noisecraft-anyone-heard-of-it/79813 "2024-01-15T14:54:08Z")

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Hi There! I just found this and was amazed: https://noisecraft.app for example: bounding balls - NoiseCraft (press play top right) Basically node-based visual-coding for synths! Its all open source and available at git…

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