# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=181

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

**Page:** 182

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## [Message Payload build-up](https://discourse.nodered.org/t/message-payload-build-up/81002)

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**Author:** [@ieddev](https://discourse.nodered.org/u/ieddev)\
**Replies:** 3\
**Last updated:** [3 September 2023 15:54 UTC](https://discourse.nodered.org/t/message-payload-build-up/81002 "2023-09-03T15:54:28Z")

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Hi All, I'm a bit puzzled. I've got a device which sends a MQTT message stream. Some values are sent as an object with a value f.i. "temp": 23.2, "hum": 66.6, "Speed status": 44, when debugging the single values i g…

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## [Http requst for token](https://discourse.nodered.org/t/http-requst-for-token/81007)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 0\
**Last updated:** [3 September 2023 15:06 UTC](https://discourse.nodered.org/t/http-requst-for-token/81007 "2023-09-03T15:06:57Z")

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The documentation of the api uses curl to show how to obtain a topken: curl http://localhost:1880/auth/token --data 'client\_id=node-red-admin&grant\_type=password&scope=\*&username=admin&password=password' Now I would li…

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## [Raspberry Pi 3B web browser blank with Bullseys image](https://discourse.nodered.org/t/raspberry-pi-3b-web-browser-blank-with-bullseys-image/81005)

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**Author:** [@Rabbit](https://discourse.nodered.org/u/Rabbit)\
**Replies:** 4\
**Last updated:** [3 September 2023 14:30 UTC](https://discourse.nodered.org/t/raspberry-pi-3b-web-browser-blank-with-bullseys-image/81005 "2023-09-03T14:30:51Z")

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According the Node-Red prerequisites for Raspberry Pi, "Bullseys" is the currently supported version. After I using "Raspberry pi Imager" to write the "Raspberry Pi OS(64-bit) (Bullsey)" to SD card, I plug it to Raspbe…

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## [Arduino Nano Every with Firmata](https://discourse.nodered.org/t/arduino-nano-every-with-firmata/80988)

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**Author:** [@Crashy77](https://discourse.nodered.org/u/Crashy77)\
**Replies:** 19\
**Last updated:** [3 September 2023 13:51 UTC](https://discourse.nodered.org/t/arduino-nano-every-with-firmata/80988 "2023-09-03T13:51:31Z")

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Hi guys. I´m using a Nano Every connected by USB to Raspberry Pi. Digital outputs and analogue output are working since months, but now I need a digital input who´s fluctuating. I´ve tried the node setting "digital in…

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## [Best practice fast write to external data storage](https://discourse.nodered.org/t/best-practice-fast-write-to-external-data-storage/81004)

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**Author:** [@tobiasselin](https://discourse.nodered.org/u/tobiasselin)\
**Replies:** 1\
**Last updated:** [3 September 2023 14:03 UTC](https://discourse.nodered.org/t/best-practice-fast-write-to-external-data-storage/81004 "2023-09-03T14:03:14Z")

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I have a flow where I loop through large json objects and then feed the relevant data to a mysql-r2 node to write to a mysql database. In order to ensure safe writing to the database, is there any point limiting the mess…

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## [Visually optimize my flow to reduce the number of nodes used](https://discourse.nodered.org/t/visually-optimize-my-flow-to-reduce-the-number-of-nodes-used/81003)

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**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\
**Replies:** 2\
**Last updated:** [3 September 2023 13:18 UTC](https://discourse.nodered.org/t/visually-optimize-my-flow-to-reduce-the-number-of-nodes-used/81003 "2023-09-03T13:18:04Z")

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Good morning and happy Sunday. I have several (many) home assistant call service node to modify a value in Home Assistant entity. It works. What I'm trying to do is visually optimize my flow. I would like to be able…

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## [2-step countdown (loop)](https://discourse.nodered.org/t/2-step-countdown-loop/80998)

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**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 5\
**Last updated:** [3 September 2023 13:02 UTC](https://discourse.nodered.org/t/2-step-countdown-loop/80998 "2023-09-03T13:02:53Z")

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Hello, I ve reated a 2 step countdown (with the help of this forum). Means: 1 countdown runs down and at the end it triggers another countdown, which triggers at the end the first one again. I am using this to control …

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## [Help with stripping a message to what I want](https://discourse.nodered.org/t/help-with-stripping-a-message-to-what-i-want/80993)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 28\
**Last updated:** [3 September 2023 09:28 UTC](https://discourse.nodered.org/t/help-with-stripping-a-message-to-what-i-want/80993 "2023-09-03T09:28:04Z")

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(If I don't ask, I will get stuck. If I ask I may work it out myself. But if I don't - as said: I'll get stuck) Here goes: exec node. ntpdate -q 192.168.17.39 I get: server 192.168.17.39, stratum 3, offset -0.00…

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## [How to connect Node-RED projects to Github](https://discourse.nodered.org/t/how-to-connect-node-red-projects-to-github/80989)

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**Author:** [@AleXSR700](https://discourse.nodered.org/u/AleXSR700)\
**Replies:** 2\
**Last updated:** [3 September 2023 08:32 UTC](https://discourse.nodered.org/t/how-to-connect-node-red-projects-to-github/80989 "2023-09-03T08:32:47Z")

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Hi everyone I wanted to start using Projects and created an empty Repository on Github. I then used the https link but my credentials are not being accepted in Node-RED. I then tried to use ssh-key, but then I am told …

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## [UDP In Node, How to get the global param for UDP port set?](https://discourse.nodered.org/t/udp-in-node-how-to-get-the-global-param-for-udp-port-set/80991)

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**Author:** [@goredhawk](https://discourse.nodered.org/u/goredhawk)\
**Replies:** 2\
**Last updated:** [3 September 2023 06:12 UTC](https://discourse.nodered.org/t/udp-in-node-how-to-get-the-global-param-for-udp-port-set/80991 "2023-09-03T06:12:51Z")

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Hi，I use UDP in node, and i already set the global port , like this: global.set('QT\_VHL\_PORT', 9009); and here is my question, how to get the global QT\_VHL\_PORT for UDP\_IN node port setting? By the way, for udp out…

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## [Errors removing node tts-ultimate](https://discourse.nodered.org/t/errors-removing-node-tts-ultimate/80984)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 7\
**Last updated:** [2 September 2023 14:13 UTC](https://discourse.nodered.org/t/errors-removing-node-tts-ultimate/80984 "2023-09-02T14:13:27Z")

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I am having issues with removing the node node-red-contrib-tts-ultimate Node red is working ok, but after I removed this node from node-red, I get following message during start-up of node-red, Starting as a systemd se…

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## [Is it possible to use Cheerio by directly importing it into a function node?](https://discourse.nodered.org/t/is-it-possible-to-use-cheerio-by-directly-importing-it-into-a-function-node/80951)

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**Author:** [@cali](https://discourse.nodered.org/u/cali)\
**Replies:** 16\
**Last updated:** [2 September 2023 11:29 UTC](https://discourse.nodered.org/t/is-it-possible-to-use-cheerio-by-directly-importing-it-into-a-function-node/80951 "2023-09-02T11:29:12Z")

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Is it possible to use Cheerio by directly importing it into a function node? I tried adding the module and deploying the flow just to test it, but an error occurred: function : (error) "Error: Cannot find module '/data/…

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## [Need help for Alexa cookies...problem on docker](https://discourse.nodered.org/t/need-help-for-alexa-cookies-problem-on-docker/80957)

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**Author:** [@mactwin](https://discourse.nodered.org/u/mactwin)\
**Replies:** 3\
**Last updated:** [2 September 2023 06:52 UTC](https://discourse.nodered.org/t/need-help-for-alexa-cookies-problem-on-docker/80957 "2023-09-02T06:52:57Z")

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Hi, I have a problem with the authentication of alexa-remote2-applestrudel, basically after configuring the profile and going to the page to activate the authentication everything works. However, the problem occurs with…

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## [Issue in deploying flow after modifying](https://discourse.nodered.org/t/issue-in-deploying-flow-after-modifying/80900)

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**Author:** [@chiru](https://discourse.nodered.org/u/chiru)\
**Replies:** 16\
**Last updated:** [2 September 2023 05:38 UTC](https://discourse.nodered.org/t/issue-in-deploying-flow-after-modifying/80900 "2023-09-02T05:38:06Z")

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Hi, I have created simple custom nodes to send messages in Node RED. I'm facing issue when I modify the flow and deploy it. Changes wont get reflected first time. If I delete the changes and make same changes again, the…

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## [NodeRed for Dummies?](https://discourse.nodered.org/t/nodered-for-dummies/80980)

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**Author:** [@Stomachbuzz](https://discourse.nodered.org/u/Stomachbuzz)\
**Replies:** 1\
**Last updated:** [2 September 2023 04:42 UTC](https://discourse.nodered.org/t/nodered-for-dummies/80980 "2023-09-02T04:42:36Z")

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Is there a recommendation to learn NodeRed from baby building blocks and move up from there? I have ~amatuer computer science knowledge with moderate logical programming skills for embedded devices (not legit stuff like…

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## [Unifi Protect Smart Chime](https://discourse.nodered.org/t/unifi-protect-smart-chime/80979)

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**Author:** [@peterryck](https://discourse.nodered.org/u/peterryck)\
**Replies:** 0\
**Last updated:** [1 September 2023 23:33 UTC](https://discourse.nodered.org/t/unifi-protect-smart-chime/80979 "2023-09-01T23:33:08Z")

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I'm looking for a node to ring the Unifi Protect Smart Chime. My goal is to detect when the G4 Doorbell has been pushed, and then ring the Unifi Protect Smart Chime a few times. Does anyone know how to ring the Unifi P…

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## [Node Red Service implemented error](https://discourse.nodered.org/t/node-red-service-implemented-error/80971)

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**Author:** [@VicK](https://discourse.nodered.org/u/VicK)\
**Replies:** 4\
**Last updated:** [1 September 2023 11:34 UTC](https://discourse.nodered.org/t/node-red-service-implemented-error/80971 "2023-09-01T11:34:31Z")

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"This service is not implemented on the module or a frame error was reported" can anyone tell me what error is this?

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## [YOLOV8 with NODERED](https://discourse.nodered.org/t/yolov8-with-nodered/80954)

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**Author:** [@WalaDM](https://discourse.nodered.org/u/WalaDM)\
**Replies:** 1\
**Last updated:** [1 September 2023 05:05 UTC](https://discourse.nodered.org/t/yolov8-with-nodered/80954 "2023-09-01T05:05:14Z")

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hello, I'm working on a project to detect an object in rela time from an IP camera. I started to use YOLOV8 and i think it has good perfomance so i want to use it in production. What architetcure can i use ? is there a…

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## [Update long-term live Node-RED in readiness for testing the new Matter node](https://discourse.nodered.org/t/update-long-term-live-node-red-in-readiness-for-testing-the-new-matter-node/80893)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 48\
**Last updated:** [31 August 2023 20:17 UTC](https://discourse.nodered.org/t/update-long-term-live-node-red-in-readiness-for-testing-the-new-matter-node/80893 "2023-08-31T20:17:10Z")

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Cant upgrade to latest. Even if I wanted to punish myself - Grafana does not seem to want to install now. I've a ton of control stuff running on NR I don;t want to lose...

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## [Node-red-contrib-threema](https://discourse.nodered.org/t/node-red-contrib-threema/80960)

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**Author:** [@My\_Millenium](https://discourse.nodered.org/u/My_Millenium)\
**Replies:** 0\
**Last updated:** [31 August 2023 18:57 UTC](https://discourse.nodered.org/t/node-red-contrib-threema/80960 "2023-08-31T18:57:03Z")

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Is here anyone who uses node-red-contrib-threema in node-red successfully? I have installed the Python SDK as described here and due to some error-messages in the terminal I also installed libsodium-dev. Via command li…

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## [Flow context '#hash' key name can't be deleted](https://discourse.nodered.org/t/flow-context-hash-key-name-cant-be-deleted/80945)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 2\
**Last updated:** [31 August 2023 13:46 UTC](https://discourse.nodered.org/t/flow-context-hash-key-name-cant-be-deleted/80945 "2023-08-31T13:46:04Z")

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Hi There! I started using '#rgb' values as keys in the flow context and discovered that there is issue with deleting those keys via the context pane. I can set the value flow.set('#123456', { ... }) in a function node,…

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## [Cron-plus: track connections on schedule list move](https://discourse.nodered.org/t/cron-plus-track-connections-on-schedule-list-move/80943)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 2\
**Last updated:** [31 August 2023 11:23 UTC](https://discourse.nodered.org/t/cron-plus-track-connections-on-schedule-list-move/80943 "2023-08-31T11:23:34Z")

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Hi There! I think I found an inconsistency in cron-plus compared to switch node and I'm not sure whether it's desired or not. If I have multiple outputs in a switch and I move the conditions around in the list: the …

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## [Problems understanding and implementing Persistent Storage](https://discourse.nodered.org/t/problems-understanding-and-implementing-persistent-storage/80527)

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**Author:** [@UmbraLimi](https://discourse.nodered.org/u/UmbraLimi)\
**Replies:** 42\
**Last updated:** [31 August 2023 10:25 UTC](https://discourse.nodered.org/t/problems-understanding-and-implementing-persistent-storage/80527 "2023-08-31T10:25:12Z")

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I'm having trouble understanding how to achieve the following: I have a set of 15 global variables that I'd like to have restored after a system restart. I have the following section added to the settings,js file: cont…

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## [How to manage data cache when disconnected from the Cloud](https://discourse.nodered.org/t/how-to-manage-data-cache-when-disconnected-from-the-cloud/80882)

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**Author:** [@Federica](https://discourse.nodered.org/u/Federica)\
**Replies:** 2\
**Last updated:** [31 August 2023 08:14 UTC](https://discourse.nodered.org/t/how-to-manage-data-cache-when-disconnected-from-the-cloud/80882 "2023-08-31T08:14:10Z")

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Hi everyone, is there a way to manage the data to be sent to the Cloud in case the system is disconnected from the network? For example, if we want to publish data on AWS via MQTT protocol, it is necessary to study how …

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## [Timer between node.send(msg1) and msg(2)](https://discourse.nodered.org/t/timer-between-node-send-msg1-and-msg-2/80936)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 1\
**Last updated:** [31 August 2023 07:10 UTC](https://discourse.nodered.org/t/timer-between-node-send-msg1-and-msg-2/80936 "2023-08-31T07:10:45Z")

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I am trying to inject a timer between TTS text for audible output. I have the following nodes set up to turn to set a variable and output a msg for audible on or off. I have noticed that it seems the initial executio…

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## [Nodered crashes ,when the node palette is not updated](https://discourse.nodered.org/t/nodered-crashes-when-the-node-palette-is-not-updated/80903)

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**Author:** [@franz](https://discourse.nodered.org/u/franz)\
**Replies:** 4\
**Last updated:** [31 August 2023 06:43 UTC](https://discourse.nodered.org/t/nodered-crashes-when-the-node-palette-is-not-updated/80903 "2023-08-31T06:43:10Z")

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When one of the nodes within the palette (photo above) requests to be updated, nodered no longer works.How could this be fixed? is there any command to automate the 'update?

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## [Need Guidance on Integrating Node-RED OAuth API and MERN App Login](https://discourse.nodered.org/t/need-guidance-on-integrating-node-red-oauth-api-and-mern-app-login/80937)

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**Author:** [@HoussemGhabarou](https://discourse.nodered.org/u/HoussemGhabarou)\
**Replies:** 0\
**Last updated:** [30 August 2023 23:50 UTC](https://discourse.nodered.org/t/need-guidance-on-integrating-node-red-oauth-api-and-mern-app-login/80937 "2023-08-30T23:50:20Z")

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I've been working on a project involving a Node-RED flow that utilizes an OAuth API to obtain an access token. This token is then used along with a subscription key to access another API, retrieve data, and publish it to…

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## [Performance of function vs. contrib node](https://discourse.nodered.org/t/performance-of-function-vs-contrib-node/80873)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 15\
**Last updated:** [30 August 2023 23:49 UTC](https://discourse.nodered.org/t/performance-of-function-vs-contrib-node/80873 "2023-08-30T23:49:05Z")

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Hello, In a test app (checking data transfer performance), I need to generate a random string of 50000000 characters (the number may vary, but, it is of this kind of magnitude). I found this contrib node node-red-contr…

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## [Roborock S8 pro ultra](https://discourse.nodered.org/t/roborock-s8-pro-ultra/80895)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 5\
**Last updated:** [30 August 2023 22:33 UTC](https://discourse.nodered.org/t/roborock-s8-pro-ultra/80895 "2023-08-30T22:33:43Z")

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Hello! I have a roborock s8 pro ultra since today. Can I include this in Node red? Maybe someone has already done that. Thanks in advance.

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## [Record High/Low Temps for the day](https://discourse.nodered.org/t/record-high-low-temps-for-the-day/80929)

<div class="topic-metadata">

**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 5\
**Last updated:** [30 August 2023 22:15 UTC](https://discourse.nodered.org/t/record-high-low-temps-for-the-day/80929 "2023-08-30T22:15:46Z")

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Hey All, I'm building a solar hot water heater and I'm measuring the temperature of the output water. I want to know what the hottest and lowest temps are in a day and reset those numbers at midnight. So far I've cre…

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