**Author:** [@Shan](https://discourse.nodered.org/u/Shan)\
**Replies:** 2\
**Last updated:** [19 July 2022 13:48 UTC](https://discourse.nodered.org/t/is-it-a-standard-feature-that-when-a-flow-is-exported-the-credentials-within-them-are-not-available-in-the-exported-json-file/65322 "2022-07-19T13:48:36Z")
I have a subflow which encapsulates a MySQL node. I have added the credentials to them via subflow environment variables i.e., user enters them by clicking on the subflow node and this information is resolved using $(\
**Author:** [@lovenodered](https://discourse.nodered.org/u/lovenodered)\
**Replies:** 0\
**Last updated:** [19 July 2022 12:04 UTC](https://discourse.nodered.org/t/table-ui-sequence-data-change-when-refresh/65318 "2022-07-19T12:04:37Z")
Dear node red I Use example from "node-red-node-ui-table" = "no.4 Sending Commands".. I'm suit with "add one row @ top" button, because that button is show the last data that comed in the first line (e.g. First Row to t…
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## [Real-time wild boar detection based on yolov5 with video preview](https://discourse.nodered.org/t/real-time-wild-boar-detection-based-on-yolov5-with-video-preview/64221)
**Author:** [@huangyouyou](https://discourse.nodered.org/u/huangyouyou)\
**Replies:** 18\
**Last updated:** [19 July 2022 11:56 UTC](https://discourse.nodered.org/t/real-time-wild-boar-detection-based-on-yolov5-with-video-preview/64221 "2022-07-19T11:56:13Z")
This is an open-source project. Hope you like the project and feel free to contribute to it!
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## [Problem with Raspberry Pms7003 and Arduino](https://discourse.nodered.org/t/problem-with-raspberry-pms7003-and-arduino/65305)
**Author:** [@john12333](https://discourse.nodered.org/u/john12333)\
**Replies:** 9\
**Last updated:** [19 July 2022 11:12 UTC](https://discourse.nodered.org/t/problem-with-raspberry-pms7003-and-arduino/65305 "2022-07-19T11:12:27Z")
hi, I am using a pms7003 sensor connected to an arduino which sends data to the raspberry via serial port and receives via node red values. The problem for me is that the values come split and I can't find a way to combi…
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## [S7 node best practices](https://discourse.nodered.org/t/s7-node-best-practices/65312)
**Author:** [@horsewithnoname](https://discourse.nodered.org/u/horsewithnoname)\
**Replies:** 0\
**Last updated:** [19 July 2022 10:28 UTC](https://discourse.nodered.org/t/s7-node-best-practices/65312 "2022-07-19T10:28:04Z")
Hi. I have 3 units of Siemens LOGO PLCs, 3 units of Data acquisition devices (communicating with PLCs via MODBUS-TCP) and 1 RPi 4 (commuicating with all the LOGO PLCs) in my network. Currently, I am using several s7 in …
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## [InfluxDB node does DNS query in on every message](https://discourse.nodered.org/t/influxdb-node-does-dns-query-in-on-every-message/65257)
**Author:** [@danielgoepp](https://discourse.nodered.org/u/danielgoepp)\
**Replies:** 7\
**Last updated:** [19 July 2022 10:19 UTC](https://discourse.nodered.org/t/influxdb-node-does-dns-query-in-on-every-message/65257 "2022-07-19T10:19:46Z")
It would appear that a DNS query is done for every single message my flow. I have the TTL set to 3600 for my local network since things don't really change too often. Is there any reason that the InfluxDB node needs to d…
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## [Problem of connection with DNS](https://discourse.nodered.org/t/problem-of-connection-with-dns/65306)
**Author:** [@nke9](https://discourse.nodered.org/u/nke9)\
**Replies:** 2\
**Last updated:** [19 July 2022 09:23 UTC](https://discourse.nodered.org/t/problem-of-connection-with-dns/65306 "2022-07-19T09:23:44Z")
Hello i wan't to access to node-red in remote-access, I can connect to my node-red server from another PC and I can see my flows and change them but i can't get the data in the debugger. Is there someone who understa…
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## [Nanosecond Precision with InfluxDB](https://discourse.nodered.org/t/nanosecond-precision-with-influxdb/65278)
**Author:** [@fludki](https://discourse.nodered.org/u/fludki)\
**Replies:** 8\
**Last updated:** [19 July 2022 08:31 UTC](https://discourse.nodered.org/t/nanosecond-precision-with-influxdb/65278 "2022-07-19T08:31:28Z")
I am struggling with ns resolution timestamps from an influxDB (node-red-contrib-influxdb). The data is high-resolution acceleration data with a sampling frequency of several kHz. To make exact timestamps I would need ns…
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## [Node-red-contrib-chatbot 1.0.0](https://discourse.nodered.org/t/node-red-contrib-chatbot-1-0-0/65283)
**Author:** [@guidone](https://discourse.nodered.org/u/guidone)\
**Replies:** 2\
**Last updated:** [19 July 2022 07:54 UTC](https://discourse.nodered.org/t/node-red-contrib-chatbot-1-0-0/65283 "2022-07-19T07:54:24Z")
A new version of RedBot was released today, the biggest change is Mission Control: a persistance layer and pluggable control panel for RedBot’s bots. Key features: Storage for inbound and outbound messages (SQLite) Ch…
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## [Errors Since Node-RED 3.0 Upgrade](https://discourse.nodered.org/t/errors-since-node-red-3-0-upgrade/65107)
**Author:** [@deggle](https://discourse.nodered.org/u/deggle)\
**Replies:** 6\
**Last updated:** [19 July 2022 07:43 UTC](https://discourse.nodered.org/t/errors-since-node-red-3-0-upgrade/65107 "2022-07-19T07:43:14Z")
Updated docker container to latest 3.0.0 and it did not start. After some messing about I think it's now working but I'm having repeated issues with a couple of modules which are throwing errors. 14 Jul 18:49:35 - \[warn…
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## [NodeRed 3.0 Docker - Error writing context: Error: EACCES: permission denied](https://discourse.nodered.org/t/nodered-3-0-docker-error-writing-context-error-eacces-permission-denied/65210)
**Author:** [@PuckeyP](https://discourse.nodered.org/u/PuckeyP)\
**Replies:** 2\
**Last updated:** [19 July 2022 07:08 UTC](https://discourse.nodered.org/t/nodered-3-0-docker-error-writing-context-error-eacces-permission-denied/65210 "2022-07-19T07:08:52Z")
Hi All, I upgrade to Node Red 3.0. Had some problems withe the rfx-com module, but was able to fix that with a reinstall of the module, Now every 30 seconds I have an error in my logs: 17 Jul 13:37:59 - \[error\] Error…
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## [What’s the function of \`@node-red/registry\`?](https://discourse.nodered.org/t/what-s-the-function-of-node-red-registry/65289)
**Author:** [@liaodalin19903](https://discourse.nodered.org/u/liaodalin19903)\
**Replies:** 1\
**Last updated:** [19 July 2022 07:06 UTC](https://discourse.nodered.org/t/what-s-the-function-of-node-red-registry/65289 "2022-07-19T07:06:58Z")
When I read this doc node-red API.mdI have several questions: common utilities for the Node-RED runtime and editor moduleswhether editor modules means @node-red/editor-client and @node-red/editor-api ? whether Node-…
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## [Azure Blob Save Storage](https://discourse.nodered.org/t/azure-blob-save-storage/65299)
**Author:** [@ramona10](https://discourse.nodered.org/u/ramona10)\
**Replies:** 0\
**Last updated:** [19 July 2022 07:00 UTC](https://discourse.nodered.org/t/azure-blob-save-storage/65299 "2022-07-19T07:00:52Z")
Hello! I have bee trying to integrate Azure Save Blob Storage into my flow and I keep getting this error "Parameter localFileName for function \_createBlobFromLocalFile should be a non-empty string". What should I do?
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## [Admin API flow creation with duplicate IDs](https://discourse.nodered.org/t/admin-api-flow-creation-with-duplicate-ids/65261)
**Author:** [@kurago-dev](https://discourse.nodered.org/u/kurago-dev)\
**Replies:** 2\
**Last updated:** [19 July 2022 06:41 UTC](https://discourse.nodered.org/t/admin-api-flow-creation-with-duplicate-ids/65261 "2022-07-19T06:41:39Z")
Hi, When creating flows via the POST method on the Admin API (POST /flow), if the flow has a node with an ID already in use, the method will fail. As the docs state: All of the nodes in the flow must have unique id pr…
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## [Telegram function node](https://discourse.nodered.org/t/telegram-function-node/65287)
**Author:** [@dowermyr](https://discourse.nodered.org/u/dowermyr)\
**Replies:** 3\
**Last updated:** [19 July 2022 06:28 UTC](https://discourse.nodered.org/t/telegram-function-node/65287 "2022-07-19T06:28:26Z")
Hi! What am I dooing wrong with this? I can recieve telegrams to Node red but I can't send. But I Dont get any errrors. My function node looks like this: var content = "Garageport öppen!" msg.payload = {"chatid": 1234…
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## [Adding authentication for REST API](https://discourse.nodered.org/t/adding-authentication-for-rest-api/65293)
**Author:** [@dinesh](https://discourse.nodered.org/u/dinesh)\
**Replies:** 4\
**Last updated:** [19 July 2022 06:26 UTC](https://discourse.nodered.org/t/adding-authentication-for-rest-api/65293 "2022-07-19T06:26:25Z")
Hi I am trying to set up REST api in my node red. I want to set authentication but Im not sure how to do this. In the 'http request' node, Im able to put in authentication to GET/POST from external server. However, if …
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## [Node-Red - Docker: Disappearing Objects](https://discourse.nodered.org/t/node-red-docker-disappearing-objects/65271)
**Author:** [@JohnMa](https://discourse.nodered.org/u/JohnMa)\
**Replies:** 4\
**Last updated:** [19 July 2022 06:25 UTC](https://discourse.nodered.org/t/node-red-docker-disappearing-objects/65271 "2022-07-19T06:25:03Z")
Hello together, I've just installed Node Red on Docker (using WSL). Unfortunately, the objects disappear after I drop them into the workspace. They are literally there, I can identify them in the info section. Also, I …
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## [Doorbell node-red-contrib-homekit-bridged](https://discourse.nodered.org/t/doorbell-node-red-contrib-homekit-bridged/65282)
**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 1\
**Last updated:** [19 July 2022 04:31 UTC](https://discourse.nodered.org/t/doorbell-node-red-contrib-homekit-bridged/65282 "2022-07-19T04:31:03Z")
Hi! I would like to add a doorbell to Homekit. Everything goes so far, but the Homekit app on the iPhone says that it is not supported. Furthermore it is not possible to select the homeobs which should play the sound. …
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## [Using ui\_table 'tickCross' colorization?](https://discourse.nodered.org/t/using-ui-table-tickcross-colorization/65145)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 14\
**Last updated:** [18 July 2022 20:49 UTC](https://discourse.nodered.org/t/using-ui-table-tickcross-colorization/65145 "2022-07-18T20:49:34Z")
Comparing ui\_table tickCloss formatter to the tabulator examples, I noticed that the tickCross is the same color be it true/false or 1/0. Is there a way to color the tick or cross? For example, for tick use the default…
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## [Do not write columns if there is no data](https://discourse.nodered.org/t/do-not-write-columns-if-there-is-no-data/65035)
**Author:** [@Mauri](https://discourse.nodered.org/u/Mauri)\
**Replies:** 5\
**Last updated:** [18 July 2022 19:06 UTC](https://discourse.nodered.org/t/do-not-write-columns-if-there-is-no-data/65035 "2022-07-18T19:06:18Z")
Hello Community I generate a pdf-file with node-red. Inside this dokument i work with columns. Now my question: Can I write a script that won't write the column if there is no data? {text: 'Heizung', style: 'header', …
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## [Change position of notification pop up](https://discourse.nodered.org/t/change-position-of-notification-pop-up/65279)
**Author:** [@tcr000](https://discourse.nodered.org/u/tcr000)\
**Replies:** 2\
**Last updated:** [18 July 2022 17:56 UTC](https://discourse.nodered.org/t/change-position-of-notification-pop-up/65279 "2022-07-18T17:56:07Z")
Is it possible to change the position of the dashboard notification pop up? The OK Cancel Dialog and the OK Cancel Dialog with input appear in the middle of the screen. I need to move them up because I have a virtual key…
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## [Function return not work](https://discourse.nodered.org/t/function-return-not-work/65267)
**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 6\
**Last updated:** [18 July 2022 14:05 UTC](https://discourse.nodered.org/t/function-return-not-work/65267 "2022-07-18T14:05:50Z")
Hi all, I'm writing a function in func-exec node msg.topic = "" var array = \[\]; var exec = child\_process.exec('pgrep firefox', (error, stdout, stderr) =\> { if (error) { console.info("false") msg.pa…
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## [Credentials and HTTP](https://discourse.nodered.org/t/credentials-and-http/65266)
**Author:** [@ramona10](https://discourse.nodered.org/u/ramona10)\
**Replies:** 5\
**Last updated:** [18 July 2022 13:31 UTC](https://discourse.nodered.org/t/credentials-and-http/65266 "2022-07-18T13:31:25Z")
Hello! I have been trying to link the credentials node to a http request, using a bearer token, but I am not sure how. Msg does not have a property of token for credentials. How am I supposed to link the token from the…
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## [Restart service node-red and lightdm if errors](https://discourse.nodered.org/t/restart-service-node-red-and-lightdm-if-errors/65230)
**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 3\
**Last updated:** [18 July 2022 12:49 UTC](https://discourse.nodered.org/t/restart-service-node-red-and-lightdm-if-errors/65230 "2022-07-18T12:49:16Z")
Hi all, I would like that node-red service and lightdm service restarts after errors, and in case of lightdm service it must restart after node-red restart correctly many thanks in advance best regards
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## [Cannot install from script](https://discourse.nodered.org/t/cannot-install-from-script/65198)
**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 23\
**Last updated:** [18 July 2022 10:55 UTC](https://discourse.nodered.org/t/cannot-install-from-script/65198 "2022-07-18T10:55:13Z")
I had an old Sony Vaio desktop PC that had (gasp!) Windows Vista on it. I installed Raspberry Pi Desktop with no issues. Specs are: Release date: July 1st 2022 System: 32-bit Kernel version: 5.10 Debian version: 11 (…
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## [Store only the last 24 hours' Data](https://discourse.nodered.org/t/store-only-the-last-24-hours-data/65252)
**Author:** [@cyntia](https://discourse.nodered.org/u/cyntia)\
**Replies:** 5\
**Last updated:** [18 July 2022 10:02 UTC](https://discourse.nodered.org/t/store-only-the-last-24-hours-data/65252 "2022-07-18T10:02:32Z")
Hello. I'm receiving Data each second from a Database and with the help of the Write and read node and I store my data each minutes. I can delete the stored Data by configuiring another write note as delete instead of …
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## [Alexa Smarthome node: Too many requests. Try again in some time](https://discourse.nodered.org/t/alexa-smarthome-node-too-many-requests-try-again-in-some-time/65184)
**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 5\
**Last updated:** [18 July 2022 10:11 UTC](https://discourse.nodered.org/t/alexa-smarthome-node-too-many-requests-try-again-in-some-time/65184 "2022-07-18T10:11:11Z")
Hi Folks Anyone experienced this error recently whilst using the Smarthome node to operate Smart devices via Alexa routines. Just started happening last week whilst I was away from home. I tested it pretty thoroughly be…
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## [Moving cred files from one env to other](https://discourse.nodered.org/t/moving-cred-files-from-one-env-to-other/63869)
**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 11\
**Last updated:** [18 July 2022 09:55 UTC](https://discourse.nodered.org/t/moving-cred-files-from-one-env-to-other/63869 "2022-07-18T09:55:22Z")
Hi Nick, This is in discussion to the suggestion in the post We did the changes - and kept the cred file common across envs. Now the slave environments - fail on being able to decrypt the cred file. Is there some ke…
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## [Simulation application of a machine and node red](https://discourse.nodered.org/t/simulation-application-of-a-machine-and-node-red/65039)
**Author:** [@matteovi](https://discourse.nodered.org/u/matteovi)\
**Replies:** 9\
**Last updated:** [18 July 2022 07:35 UTC](https://discourse.nodered.org/t/simulation-application-of-a-machine-and-node-red/65039 "2022-07-18T07:35:25Z")
how can I connect a simulation application of a machine to node red? This applicatin send an http request that contain a JSON file. The Client http open and close connection for every information sended to server. Eve…
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## [Run firefox --kiosk on my DPI screen just when page is correctly created](https://discourse.nodered.org/t/run-firefox-kiosk-on-my-dpi-screen-just-when-page-is-correctly-created/65227)
**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 3\
**Last updated:** [18 July 2022 06:59 UTC](https://discourse.nodered.org/t/run-firefox-kiosk-on-my-dpi-screen-just-when-page-is-correctly-created/65227 "2022-07-18T06:59:54Z")
Hi all, I would like run firefox --kiosk http://127.0.0.1:1880/ui on my screen just when page is correctly created by node-red service and not before, because running it on boot a page of unreachable page appears. unti…
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