# Latest

**URL:** https://discourse.nodered.org/latest.md?page=248

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

**Page:** 249

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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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## [HTTP Response based on action](https://discourse.nodered.org/t/http-response-based-on-action/84559)

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**Author:** [@shershah](https://discourse.nodered.org/u/shershah)\
**Replies:** 5\
**Last updated:** [15 January 2024 13:00 UTC](https://discourse.nodered.org/t/http-response-based-on-action/84559 "2024-01-15T13:00:43Z")

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Hi All, I am working on nodered flow where I am receiving data from http post and publishing the data to MQTT. Now if data is successfully published I need to send the success response back otherwise the error response. …

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## [Hold status for x seconds](https://discourse.nodered.org/t/hold-status-for-x-seconds/84556)

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**Author:** [@ic81](https://discourse.nodered.org/u/ic81)\
**Replies:** 5\
**Last updated:** [15 January 2024 11:05 UTC](https://discourse.nodered.org/t/hold-status-for-x-seconds/84556 "2024-01-15T11:05:22Z")

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Hi everyone, I'm begineer....:slight\_smile: I need an info.... I've two node (iot sensors) with boolean output (updated every seconds) that pilot raspberry GPIO. I need that when one of this sensor goes true, the tru…

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## [Dashboard Issue with node-red-dashboard: ui\_text](https://discourse.nodered.org/t/dashboard-issue-with-node-red-dashboard-ui-text/84543)

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**Author:** [@cancacao](https://discourse.nodered.org/u/cancacao)\
**Replies:** 12\
**Last updated:** [15 January 2024 09:50 UTC](https://discourse.nodered.org/t/dashboard-issue-with-node-red-dashboard-ui-text/84543 "2024-01-15T09:50:24Z")

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This is a ui\_text of node-red-dashboard. Before, everything has operated correctly. But currently, I'm facing the problems as image, please help me to identify the root cause and fix it.

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## [How to get data from rest api with pagination](https://discourse.nodered.org/t/how-to-get-data-from-rest-api-with-pagination/84541)

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**Author:** [@robsonsilva](https://discourse.nodered.org/u/robsonsilva)\
**Replies:** 1\
**Last updated:** [15 January 2024 08:52 UTC](https://discourse.nodered.org/t/how-to-get-data-from-rest-api-with-pagination/84541 "2024-01-15T08:52:14Z")

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Hello everyone. I need get data from REST API that using pagination control. First I call one endpoint to get a list of cars code, second I call the other endpoint that has all cars features passing cars code and page n…

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## [Terminating the Database Connection of MySQL node in Node-Red](https://discourse.nodered.org/t/terminating-the-database-connection-of-mysql-node-in-node-red/84548)

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**Author:** [@WeiChuen1118](https://discourse.nodered.org/u/WeiChuen1118)\
**Replies:** 0\
**Last updated:** [15 January 2024 07:05 UTC](https://discourse.nodered.org/t/terminating-the-database-connection-of-mysql-node-in-node-red/84548 "2024-01-15T07:05:53Z")

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Good day to all of you! Have any of you tried closing the database connection of the MySQL node in Node-Red? I am working on a project that requires connecting to a shared cloud database using Node-Red. However, I have n…

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## [School Days Event Logic](https://discourse.nodered.org/t/school-days-event-logic/61263)

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**Author:** [@mrdvt92](https://discourse.nodered.org/u/mrdvt92)\
**Replies:** 0\
**Last updated:** [13 April 2022 20:17 UTC](https://discourse.nodered.org/t/school-days-event-logic/61263 "2022-04-13T20:17:57Z")

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I'm trying to setup automation logic based on when my local school system has student days or not. As anyone with kids is aware, the days that kids have off is quite random and one jurisdiction does not have the same sc…

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## [Raspberry Pi "failed to open" error for "sqlite"](https://discourse.nodered.org/t/raspberry-pi-failed-to-open-error-for-sqlite/84532)

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**Author:** [@Rabbit](https://discourse.nodered.org/u/Rabbit)\
**Replies:** 3\
**Last updated:** [15 January 2024 00:29 UTC](https://discourse.nodered.org/t/raspberry-pi-failed-to-open-error-for-sqlite/84532 "2024-01-15T00:29:32Z")

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I get error "failed to open /tmp/splite/testdb.db" when I deploy my "sqlite" project at Node-Red. The "sqlite" node properties "Database" setting is "/tmp/splite/testdb.db". The database file is "pi@raspberrypi:/tmp/s…

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## [Node red switch](https://discourse.nodered.org/t/node-red-switch/84535)

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**Author:** [@mike1976](https://discourse.nodered.org/u/mike1976)\
**Replies:** 4\
**Last updated:** [14 January 2024 20:43 UTC](https://discourse.nodered.org/t/node-red-switch/84535 "2024-01-14T20:43:05Z")

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Hello, Can someone please help me. I would like to create a switch with true and false. It should be true if the msg.payload = "PUT operation successful." He should be bad if: "msg.error time out" Reason: If the t…

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## [Write present Value via node-bacnet-contrib-extended 0.2.0 or node-red-contrib-bacnet](https://discourse.nodered.org/t/write-present-value-via-node-bacnet-contrib-extended-0-2-0-or-node-red-contrib-bacnet/84538)

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**Author:** [@Karsten](https://discourse.nodered.org/u/Karsten)\
**Replies:** 0\
**Last updated:** [14 January 2024 19:26 UTC](https://discourse.nodered.org/t/write-present-value-via-node-bacnet-contrib-extended-0-2-0-or-node-red-contrib-bacnet/84538 "2024-01-14T19:26:55Z")

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Dear Community, I am currently testing the following BACnet plugins: node-bacnet-contrib-extended 0.2.0 and node-red-contrib-bacnet. The test with node-red-contrib-bacnet went very well, but when writing the present…

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## [Modbus Failure On State sending Get More About It By Logging](https://discourse.nodered.org/t/modbus-failure-on-state-sending-get-more-about-it-by-logging/84536)

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**Author:** [@Martin12](https://discourse.nodered.org/u/Martin12)\
**Replies:** 2\
**Last updated:** [14 January 2024 18:49 UTC](https://discourse.nodered.org/t/modbus-failure-on-state-sending-get-more-about-it-by-logging/84536 "2024-01-14T18:49:52Z")

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I am using a USB to RS485 converter (Waveshare) on my Raspberry Pi 4 to query two power meter (SDM630) via Modbus RTU using the Modbus-Flex-Getter. Everything works fine and stable without any errors over days as long as…

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## [How to trap or determine when a row is deselected in ui-table?](https://discourse.nodered.org/t/how-to-trap-or-determine-when-a-row-is-deselected-in-ui-table/84293)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 5\
**Last updated:** [14 January 2024 17:51 UTC](https://discourse.nodered.org/t/how-to-trap-or-determine-when-a-row-is-deselected-in-ui-table/84293 "2024-01-14T17:51:14Z")

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How to trap or determine when a row is deselected ui-table? I have a use case where I need to know if a row is deselected by the operator. If you enable, send data on click, and ui\_control is et to selectable value 1, …

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## [Good documentation or manual for Node-Red or OpenJS](https://discourse.nodered.org/t/good-documentation-or-manual-for-node-red-or-openjs/84217)

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**Author:** [@Karsten](https://discourse.nodered.org/u/Karsten)\
**Replies:** 4\
**Last updated:** [14 January 2024 17:45 UTC](https://discourse.nodered.org/t/good-documentation-or-manual-for-node-red-or-openjs/84217 "2024-01-14T17:45:25Z")

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Hello Community, I am looking for a good documentation for Node-Red or OpenJS (preferably as free documentation). It would be important for me to have material that teaches the basics in a structured way (which of cour…

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## [Empty dashboard window](https://discourse.nodered.org/t/empty-dashboard-window/84478)

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**Author:** [@luemar](https://discourse.nodered.org/u/luemar)\
**Replies:** 47\
**Last updated:** [14 January 2024 15:20 UTC](https://discourse.nodered.org/t/empty-dashboard-window/84478 "2024-01-14T15:20:42Z")

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I just started with Node-RED and loaded node-red-dashboard be palette manage. If I open the dashboard by http://IP-address:1880/ui I'm only getting a window with nothing on it except the dashboard logo and wellcome. No…

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## [Node-red-node-ui-table node, dashboard block](https://discourse.nodered.org/t/node-red-node-ui-table-node-dashboard-block/84528)

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**Author:** [@janschuijling](https://discourse.nodered.org/u/janschuijling)\
**Replies:** 2\
**Last updated:** [14 January 2024 11:14 UTC](https://discourse.nodered.org/t/node-red-node-ui-table-node-dashboard-block/84528 "2024-01-14T11:14:27Z")

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I have a dashboard with several tabs. When I insert the table UI node, it won't show up. After restarting the dashboard, only the table shows up and works fine, but the other tabs are gone. Combining the table with text …

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## [Turn off switch only if triggered by same flow](https://discourse.nodered.org/t/turn-off-switch-only-if-triggered-by-same-flow/84529)

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**Author:** [@smitterer](https://discourse.nodered.org/u/smitterer)\
**Replies:** 1\
**Last updated:** [14 January 2024 10:15 UTC](https://discourse.nodered.org/t/turn-off-switch-only-if-triggered-by-same-flow/84529 "2024-01-14T10:15:13Z")

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Hi everyone, I have the following flow which turns on and off pumps of a hot tub to protect it from freezing. The circulation pump should only be turned off if it wasn't turned on from a different flow which trigger…

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## [RBPi GPIO issues](https://discourse.nodered.org/t/rbpi-gpio-issues/84519)

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**Author:** [@Simone](https://discourse.nodered.org/u/Simone)\
**Replies:** 5\
**Last updated:** [13 January 2024 20:59 UTC](https://discourse.nodered.org/t/rbpi-gpio-issues/84519 "2024-01-13T20:59:07Z")

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Hi friends, with the last NODE RED i've issues with RBPi's GPIOs. I've a setup with Raspberry Pi 2W and two SD cards with the following setups: SD1) Linux 5.10.17-v7+ armv7, Node Red 2.1.3, NPM v14.18.1, node-red-node…

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## [Output a very simple JSON object instead of a string?](https://discourse.nodered.org/t/output-a-very-simple-json-object-instead-of-a-string/84414)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 18\
**Last updated:** [13 January 2024 18:40 UTC](https://discourse.nodered.org/t/output-a-very-simple-json-object-instead-of-a-string/84414 "2024-01-13T18:40:50Z")

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Hi, I have looked at the ArdiunoJSON library, but it is very complicated and I only need something very simple. At the moment I send out a string of data. Example of my code ... MQTT\_client.publish ( Module 99 /info/d…

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## [Possibility to choose multiline editor instead of classic string editor in subflow environment variable input type](https://discourse.nodered.org/t/possibility-to-choose-multiline-editor-instead-of-classic-string-editor-in-subflow-environment-variable-input-type/84507)

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**Author:** [@bombjackit](https://discourse.nodered.org/u/bombjackit)\
**Replies:** 3\
**Last updated:** [13 January 2024 17:52 UTC](https://discourse.nodered.org/t/possibility-to-choose-multiline-editor-instead-of-classic-string-editor-in-subflow-environment-variable-input-type/84507 "2024-01-13T17:52:45Z")

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When I create a subflow it might be useful to have the possibility to choose a multiline editor for some environment variable instead of classic one line string editor

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## [ETL Pipelines with Node-RED?](https://discourse.nodered.org/t/etl-pipelines-with-node-red/84347)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 75\
**Last updated:** [13 January 2024 16:01 UTC](https://discourse.nodered.org/t/etl-pipelines-with-node-red/84347 "2024-01-13T16:01:31Z")

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Hi There, So when someone asks me whether Node-RED can be used for ETL (Extract Transform Load) pipelines I say No. No because of the size of data involved: sending a 1GB message through Node-RED isn't for the fainthear…

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## [Creating a PDF file at Google drive](https://discourse.nodered.org/t/creating-a-pdf-file-at-google-drive/84518)

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**Author:** [@Heursqem](https://discourse.nodered.org/u/Heursqem)\
**Replies:** 2\
**Last updated:** [13 January 2024 15:36 UTC](https://discourse.nodered.org/t/creating-a-pdf-file-at-google-drive/84518 "2024-01-13T15:36:21Z")

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Hi I am struggling to create / save a PDF file to my Google Drive. I have been able to install & run node-red-contrib-google-oauth2, this gives me access to my google account with the right permission. I am using file…

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## [REAL datatype values from s7 node](https://discourse.nodered.org/t/real-datatype-values-from-s7-node/84513)

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**Author:** [@jupiter8](https://discourse.nodered.org/u/jupiter8)\
**Replies:** 1\
**Last updated:** [13 January 2024 12:31 UTC](https://discourse.nodered.org/t/real-datatype-values-from-s7-node/84513 "2024-01-13T12:31:00Z")

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Hi all, i'm struggling to make sense of values of type REAL (Floating point 32-bit number) coming from the contrib-s7 node. i have a siemens S7-1200 and the values i'm getting are 10 digit numbers. i tried the buffer par…

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## [Advice on using hasOwnProperty](https://discourse.nodered.org/t/advice-on-using-hasownproperty/84508)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 19\
**Last updated:** [13 January 2024 09:49 UTC](https://discourse.nodered.org/t/advice-on-using-hasownproperty/84508 "2024-01-13T09:49:44Z")

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Hello I need to check if a payload property exists. The payload looks like this: The path to that payload object is payload.data.dps\["5"\] Sometimes element 5 is not present. How do I check if element 5 exists in thi…

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## [Node-red-contrib-meross crashing node-red](https://discourse.nodered.org/t/node-red-contrib-meross-crashing-node-red/84514)

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**Author:** [@zoppolig](https://discourse.nodered.org/u/zoppolig)\
**Replies:** 1\
**Last updated:** [13 January 2024 04:21 UTC](https://discourse.nodered.org/t/node-red-contrib-meross-crashing-node-red/84514 "2024-01-13T04:21:52Z")

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I installed the meross node to control some MSS310 plugs. I followed all instructions and got the token and IP of the plug (which is connected, pings fine, and is controlled well by the app). Issue is, when try to send m…

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## ["RequestError: socket hang up"](https://discourse.nodered.org/t/requesterror-socket-hang-up/84509)

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**Author:** [@sabir](https://discourse.nodered.org/u/sabir)\
**Replies:** 7\
**Last updated:** [12 January 2024 15:21 UTC](https://discourse.nodered.org/t/requesterror-socket-hang-up/84509 "2024-01-12T15:21:48Z")

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I'm using http-request node to call with api, if my api takes more than a minute to response, I'm getting error: "RequestError: socket hang up" exactly after one minute How can I increase the request time-out to more th…

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## [Conexion Hikvision](https://discourse.nodered.org/t/conexion-hikvision/84493)

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**Author:** [@luz](https://discourse.nodered.org/u/luz)\
**Replies:** 2\
**Last updated:** [12 January 2024 15:17 UTC](https://discourse.nodered.org/t/conexion-hikvision/84493 "2024-01-12T15:17:53Z")

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Hola recientemente estoy configurando detecion de camara de marca Hikvision pero me aparece este error le cambio el usuario, pero me aparece sin conexion Hikvision-config: streamPipeline: The user aborted a request ---…

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## [BIGSSH - passing server IP to SSH connector?](https://discourse.nodered.org/t/bigssh-passing-server-ip-to-ssh-connector/84489)

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**Author:** [@MCPCN](https://discourse.nodered.org/u/MCPCN)\
**Replies:** 5\
**Last updated:** [12 January 2024 14:51 UTC](https://discourse.nodered.org/t/bigssh-passing-server-ip-to-ssh-connector/84489 "2024-01-12T14:51:15Z")

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Hi - I'm looking to use Node-RED to pull the same data from multiple servers via SSH and combine it into a single SQL table, which can be queried by our reporting tools. The servers all authenticate via AD, so the User/P…

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## [How to 'whitelist' IP address's that can access Node RED](https://discourse.nodered.org/t/how-to-whitelist-ip-addresss-that-can-access-node-red/83990)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 28\
**Last updated:** [12 January 2024 14:18 UTC](https://discourse.nodered.org/t/how-to-whitelist-ip-addresss-that-can-access-node-red/83990 "2024-01-12T14:18:20Z")

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Node RED is a powerfull tool, and one that fits perfectly in the ever increasing connected world. But when doing so, security should be the first priority, sadly a lot of users do not adhere to this. With this in mind,…

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## [Suggestions on filtering out an object in an array between SPLIT and JOIN](https://discourse.nodered.org/t/suggestions-on-filtering-out-an-object-in-an-array-between-split-and-join/84480)

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**Author:** [@W6PNG](https://discourse.nodered.org/u/W6PNG)\
**Replies:** 8\
**Last updated:** [12 January 2024 12:11 UTC](https://discourse.nodered.org/t/suggestions-on-filtering-out-an-object-in-an-array-between-split-and-join/84480 "2024-01-12T12:11:13Z")

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I'm looking for a suggestion on the easiest way to try and filter out objects I receive from a web site. Background is mountain top amateur radio and getting info from a web site of who is currently atop a mountain (or …

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## [MySQL node has queue?](https://discourse.nodered.org/t/mysql-node-has-queue/84487)

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**Author:** [@jttjtt](https://discourse.nodered.org/u/jttjtt)\
**Replies:** 7\
**Last updated:** [12 January 2024 09:46 UTC](https://discourse.nodered.org/t/mysql-node-has-queue/84487 "2024-01-12T09:46:52Z")

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Hello I am using node-red-node-mysql 2.0.0 node to insert data to MySQL database. I am trying to insert one row every 5 second. The problem is, that i have found out, that i have some inserted data which have only 1 sec…

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