# Latest

**URL:** https://discourse.nodered.org/latest.md?page=528

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

**Page:** 529

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## [How to pass session to TCP REQUEST?](https://discourse.nodered.org/t/how-to-pass-session-to-tcp-request/64215)

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**Author:** [@mpolazzo](https://discourse.nodered.org/u/mpolazzo)\
**Replies:** 4\
**Last updated:** [25 July 2022 15:44 UTC](https://discourse.nodered.org/t/how-to-pass-session-to-tcp-request/64215 "2022-07-25T15:44:37Z")

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I have a device that listens on a specific ip port (e.g. 30000). I need to connect multiple times to that device, at least from two different tcp-request nodes. Typically when the device accepts the connection, it retur…

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## [Tcp request node issue](https://discourse.nodered.org/t/tcp-request-node-issue/65476)

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**Author:** [@akinlong](https://discourse.nodered.org/u/akinlong)\
**Replies:** 7\
**Last updated:** [25 July 2022 13:49 UTC](https://discourse.nodered.org/t/tcp-request-node-issue/65476 "2022-07-25T13:49:32Z")

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I am using node-red to do a low code flow development. When I use the below flow to implement the request, something unexpected happens. http in \> tcp request \> http response the tcp request will call another remote se…

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## [In SSO after receiving auth code, gets unauthorized 401 in javascript console](https://discourse.nodered.org/t/in-sso-after-receiving-auth-code-gets-unauthorized-401-in-javascript-console/65555)

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**Author:** [@kiru](https://discourse.nodered.org/u/kiru)\
**Replies:** 3\
**Last updated:** [25 July 2022 13:28 UTC](https://discourse.nodered.org/t/in-sso-after-receiving-auth-code-gets-unauthorized-401-in-javascript-console/65555 "2022-07-25T13:28:15Z")

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Hi, i am trying to enable SSO for my nodered editor. Using azure ad as Identity provider, i could receive the authentication code having response type as code. But the problem is the code is not getting authenticated, an…

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## [Google OAuth2 issues](https://discourse.nodered.org/t/google-oauth2-issues/3489)

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**Author:** [@cgallPekham](https://discourse.nodered.org/u/cgallPekham)\
**Replies:** 13\
**Last updated:** [25 July 2022 13:07 UTC](https://discourse.nodered.org/t/google-oauth2-issues/3489 "2022-07-25T13:07:24Z")

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I'm trying to setup Google OAuth and well, just can't seem to get it to work - I get: Error: invalid\_request Invalid parameter value for redirect\_uri: Missing authority: Localhost:1880/auth/strategy/callback My sectio…

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## [Saving node parameter in an variable in the html file](https://discourse.nodered.org/t/saving-node-parameter-in-an-variable-in-the-html-file/65576)

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**Author:** [@OsamaAlAhmadieh](https://discourse.nodered.org/u/OsamaAlAhmadieh)\
**Replies:** 6\
**Last updated:** [25 July 2022 12:52 UTC](https://discourse.nodered.org/t/saving-node-parameter-in-an-variable-in-the-html-file/65576 "2022-07-25T12:52:44Z")

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I have a node for which i am setting different attributes (Name, fruit, vegetable) from a typedInput. For further processing, I want to get the values that I set for each parameter into my html file in which i define th…

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## [Quick question about Global Cache (IP2IR, iTach)](https://discourse.nodered.org/t/quick-question-about-global-cache-ip2ir-itach/64955)

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**Author:** [@RichardU](https://discourse.nodered.org/u/RichardU)\
**Replies:** 12\
**Last updated:** [25 July 2022 12:44 UTC](https://discourse.nodered.org/t/quick-question-about-global-cache-ip2ir-itach/64955 "2022-07-25T12:44:58Z")

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node-red-contrib-globalcache works great when I specify the Output number in the -out node config like this: And I use a function node to set the message: msg.payload = '0000 006d 0025 ... ' msg.format = 'hex' How c…

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## [Logs of my flow](https://discourse.nodered.org/t/logs-of-my-flow/65263)

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**Author:** [@Abhi1](https://discourse.nodered.org/u/Abhi1)\
**Replies:** 8\
**Last updated:** [25 July 2022 11:28 UTC](https://discourse.nodered.org/t/logs-of-my-flow/65263 "2022-07-25T11:28:55Z")

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Hi everyone, I want to see the logs for all my flows(debugs/events of my flow) in Node-Red. Can anyone help me with any information. I am running my Node-red in my local machine. So, please share me the path where d…

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## [Editable List: How to limit editable list widget](https://discourse.nodered.org/t/editable-list-how-to-limit-editable-list-widget/65571)

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**Author:** [@namph-sgn](https://discourse.nodered.org/u/namph-sgn)\
**Replies:** 1\
**Last updated:** [25 July 2022 11:10 UTC](https://discourse.nodered.org/t/editable-list-how-to-limit-editable-list-widget/65571 "2022-07-25T11:10:01Z")

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Hi all, is there any way to limit the amount of items users can create in the list? I'm currently creating a nodes with editable list and I want to limit the items in the list to only 3. I have checked the document: Edi…

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## [How to avoid use same flow multiple times with differents parameters and running in parallel](https://discourse.nodered.org/t/how-to-avoid-use-same-flow-multiple-times-with-differents-parameters-and-running-in-parallel/65539)

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**Author:** [@jmelendez](https://discourse.nodered.org/u/jmelendez)\
**Replies:** 12\
**Last updated:** [25 July 2022 10:59 UTC](https://discourse.nodered.org/t/how-to-avoid-use-same-flow-multiple-times-with-differents-parameters-and-running-in-parallel/65539 "2022-07-25T10:59:55Z")

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I've created a flow to read data from device trought external API request. The data is sent by MQTT to my own API. This flow is inside infinity loop. Exists multiple devices, then, I copy & paste the flow multiple times…

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## [Communicate Node-RED with rs485](https://discourse.nodered.org/t/communicate-node-red-with-rs485/65434)

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**Author:** [@vidal\_jr](https://discourse.nodered.org/u/vidal_jr)\
**Replies:** 2\
**Last updated:** [25 July 2022 09:34 UTC](https://discourse.nodered.org/t/communicate-node-red-with-rs485/65434 "2022-07-25T09:34:40Z")

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Hi everyone, I’m trying to communicate with red node to a ballast via an RS485 to USB converter. This ballast is used to light some lamps. I have the ballast configured for communication via RS485, connected to the RS48…

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## [\[Proposal\] Global Environment Variable](https://discourse.nodered.org/t/proposal-global-environment-variable/65560)

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**Author:** [@nisiyama](https://discourse.nodered.org/u/nisiyama)\
**Replies:** 7\
**Last updated:** [25 July 2022 09:30 UTC](https://discourse.nodered.org/t/proposal-global-environment-variable/65560 "2022-07-25T09:30:59Z")

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The current Node-Red allows environment variables to be defined for Subflow, Group, and Tab. However, in some cases, we may want to specify environment variables that are effective for multiple tabs and settings of conf…

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## [Change msg.payload from text to value](https://discourse.nodered.org/t/change-msg-payload-from-text-to-value/65547)

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**Author:** [@Joep.piet](https://discourse.nodered.org/u/Joep.piet)\
**Replies:** 4\
**Last updated:** [25 July 2022 09:28 UTC](https://discourse.nodered.org/t/change-msg-payload-from-text-to-value/65547 "2022-07-25T09:28:51Z")

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Hi everyone, First of all, I'm pretty new here so if I'm using the wrong termonology or my problem has to be in a different topic, I'll apologise beforehand :slight\_smile: I'm having trouble to show coördinates on a wo…

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## [How do I convert a csv file into a chart?](https://discourse.nodered.org/t/how-do-i-convert-a-csv-file-into-a-chart/65454)

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**Author:** [@person09](https://discourse.nodered.org/u/person09)\
**Replies:** 8\
**Last updated:** [25 July 2022 09:17 UTC](https://discourse.nodered.org/t/how-do-i-convert-a-csv-file-into-a-chart/65454 "2022-07-25T09:17:15Z")

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I've been having such a hard time understanding how to use Node Red's functionality in reading a csv file and converting it into a scatter plot chart. I have a CSV file that looks like this: 09-16-1989, 45 09-16-1990,…

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## [Using Node-RED to transfer data from InfluxDB 1.7 to 2.3, but receiving ENOBUFS error when dataset is too large](https://discourse.nodered.org/t/using-node-red-to-transfer-data-from-influxdb-1-7-to-2-3-but-receiving-enobufs-error-when-dataset-is-too-large/65532)

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**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 9\
**Last updated:** [25 July 2022 08:30 UTC](https://discourse.nodered.org/t/using-node-red-to-transfer-data-from-influxdb-1-7-to-2-3-but-receiving-enobufs-error-when-dataset-is-too-large/65532 "2022-07-25T08:30:25Z")

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I am using Node-RED to convert my InfluxDB 1.7 data to populate InfluxDB 2.3 using the attached flow. Influx1.7 to 2.3.json (2.7 KB) In both databases, the frequency is 1 reading per minute. If I run the flow and limi…

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## [Dynamic ip address for "node-red-contrib-gree-hvac"](https://discourse.nodered.org/t/dynamic-ip-address-for-node-red-contrib-gree-hvac/64450)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 10\
**Last updated:** [25 July 2022 08:20 UTC](https://discourse.nodered.org/t/dynamic-ip-address-for-node-red-contrib-gree-hvac/64450 "2022-07-25T08:20:28Z")

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I installed this node for my new GREE airco's and it works very well. My problem is that I cannot give this AC a fixed IP address by DHCP reservation, so now I was wondering if I can dynamically change the ip address of…

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## [Save multiple inputs Sqlite - undefined](https://discourse.nodered.org/t/save-multiple-inputs-sqlite-undefined/65513)

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**Author:** [@dave-the-gardener](https://discourse.nodered.org/u/dave-the-gardener)\
**Replies:** 8\
**Last updated:** [25 July 2022 04:20 UTC](https://discourse.nodered.org/t/save-multiple-inputs-sqlite-undefined/65513 "2022-07-25T04:20:38Z")

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I am a very beginner and have been able to bring in data via MQTT and graph it, but now I want to save to SQLite. I am using Ubuntu on an old PC not sure what I am doing wrong to get 'undefined' Here is a debug from t…

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## [Node-red with BACnet](https://discourse.nodered.org/t/node-red-with-bacnet/65457)

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**Author:** [@saila](https://discourse.nodered.org/u/saila)\
**Replies:** 2\
**Last updated:** [25 July 2022 01:31 UTC](https://discourse.nodered.org/t/node-red-with-bacnet/65457 "2022-07-25T01:31:18Z")

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hi , i would like to know how can i connect node-red with bacnet device , i am using yet another bacnet explorer but i keep getting the error time out .

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## [How read data from balance (Serial port rs232 ) available on the network](https://discourse.nodered.org/t/how-read-data-from-balance-serial-port-rs232-available-on-the-network/65473)

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**Author:** [@matteovi](https://discourse.nodered.org/u/matteovi)\
**Replies:** 2\
**Last updated:** [24 July 2022 21:14 UTC](https://discourse.nodered.org/t/how-read-data-from-balance-serial-port-rs232-available-on-the-network/65473 "2022-07-24T21:14:00Z")

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Hi, I need to connect a balance that use a serial port rs232, that it is connected in another terminal, but available on the network and visible from an ip server. That's ip server it's a moxa server and could manage set…

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## [Errors updating multiple nodes: mysql, email](https://discourse.nodered.org/t/errors-updating-multiple-nodes-mysql-email/65478)

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**Author:** [@Ashfaak](https://discourse.nodered.org/u/Ashfaak)\
**Replies:** 15\
**Last updated:** [24 July 2022 21:11 UTC](https://discourse.nodered.org/t/errors-updating-multiple-nodes-mysql-email/65478 "2022-07-24T21:11:11Z")

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Debian 10 Node.js: 16.16.0 node-red: 2.2.2 node-red-node-email: 1.15.1 node-red-node-mysql: 1.0.2 I just updated node-red-node-mysql to 1.0.2 successfully. Tried to update the email node and got the below error. Saw…

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## [Starting with flows stopped](https://discourse.nodered.org/t/starting-with-flows-stopped/65537)

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**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 5\
**Last updated:** [24 July 2022 20:34 UTC](https://discourse.nodered.org/t/starting-with-flows-stopped/65537 "2022-07-24T20:34:47Z")

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Hi, all. I hate Discourse's search! I've created a start-crash-restart loop and I need to start NR in Docker with the flows stopped so I can fix it. I tried --safe but Docker refuses it so I'd like to set whatever in s…

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## [Variable within flow group](https://discourse.nodered.org/t/variable-within-flow-group/65542)

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**Author:** [@samezrp](https://discourse.nodered.org/u/samezrp)\
**Replies:** 1\
**Last updated:** [24 July 2022 20:20 UTC](https://discourse.nodered.org/t/variable-within-flow-group/65542 "2022-07-24T20:20:37Z")

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Hi, Is it possible to set variable within flow group? The case: -I have several the same groups for different Shelly dimmers; -I use number in Shelly name to distinguish them like shellydimmer01, shellydimmer02; -no…

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## [Dimmer Button - Moes / Smart Knob](https://discourse.nodered.org/t/dimmer-button-moes-smart-knob/65535)

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**Author:** [@gregolin](https://discourse.nodered.org/u/gregolin)\
**Replies:** 1\
**Last updated:** [24 July 2022 19:53 UTC](https://discourse.nodered.org/t/dimmer-button-moes-smart-knob/65535 "2022-07-24T19:53:10Z")

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Hi. Has anyone had success with Moes/Smart Knob button setup with Node Red? It seems Z2M is accepting 4 actions: single press, double press, long press and rotate (left/right). I'm not been able to work with it and I'd…

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## [Instructions for modules through function node](https://discourse.nodered.org/t/instructions-for-modules-through-function-node/64967)

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**Author:** [@Kylespamaccoun7](https://discourse.nodered.org/u/Kylespamaccoun7)\
**Replies:** 4\
**Last updated:** [24 July 2022 18:12 UTC](https://discourse.nodered.org/t/instructions-for-modules-through-function-node/64967 "2022-07-24T18:12:26Z")

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I recently updated to the version that allows modules to be added from the function node. I am trying to test this out. I have the module installed. Is there documentation available explaining what to do next? I can't …

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## [Action based in hours and previous signals](https://discourse.nodered.org/t/action-based-in-hours-and-previous-signals/65502)

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**Author:** [@gregolin](https://discourse.nodered.org/u/gregolin)\
**Replies:** 2\
**Last updated:** [24 July 2022 17:02 UTC](https://discourse.nodered.org/t/action-based-in-hours-and-previous-signals/65502 "2022-07-24T17:02:32Z")

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Hi. I'm new with node red, but having some success with the most of my projects :slight\_smile: I'm facing issues with one of them where I want to turn the light on when I open my smart lock and the time is between 6pm …

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## [File upload and additional fields via multipart/form-data](https://discourse.nodered.org/t/file-upload-and-additional-fields-via-multipart-form-data/65404)

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**Author:** [@3dimensional](https://discourse.nodered.org/u/3dimensional)\
**Replies:** 1\
**Last updated:** [24 July 2022 14:47 UTC](https://discourse.nodered.org/t/file-upload-and-additional-fields-via-multipart-form-data/65404 "2022-07-24T14:47:14Z")

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Since the original thread was closed and i was struggling for hours finding a solution so I would like to present my solution to you. Requirement: Had to upload a PDF document and send a JSON string to an API endpoint an…

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## [Is it possible to include inbuilt dashboard nodes inside template node in node-red dashboard](https://discourse.nodered.org/t/is-it-possible-to-include-inbuilt-dashboard-nodes-inside-template-node-in-node-red-dashboard/65361)

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**Author:** [@iotgroup04](https://discourse.nodered.org/u/iotgroup04)\
**Replies:** 4\
**Last updated:** [24 July 2022 14:39 UTC](https://discourse.nodered.org/t/is-it-possible-to-include-inbuilt-dashboard-nodes-inside-template-node-in-node-red-dashboard/65361 "2022-07-24T14:39:14Z")

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I'm trying to create my own dashboard node using the template node. But I want include some already available dashboard nodes like charts & buttons inside that custom template node. Is it possible ? Thank you

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## [FR : Projects : New enhancement request to have Git Logs as part of the flows when exported](https://discourse.nodered.org/t/fr-projects-new-enhancement-request-to-have-git-logs-as-part-of-the-flows-when-exported/65511)

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**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 3\
**Last updated:** [24 July 2022 13:42 UTC](https://discourse.nodered.org/t/fr-projects-new-enhancement-request-to-have-git-logs-as-part-of-the-flows-when-exported/65511 "2022-07-24T13:42:20Z")

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Hi - My request is specifically when Projects are enabled. When projects are enabled , in addition to the current Export - can we look to add "Export committed flows" . This option will export the specific committed f…

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## [Google Calendar “new event created”](https://discourse.nodered.org/t/google-calendar-new-event-created/65519)

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**Author:** [@joeblack2k](https://discourse.nodered.org/u/joeblack2k)\
**Replies:** 1\
**Last updated:** [24 July 2022 13:34 UTC](https://discourse.nodered.org/t/google-calendar-new-event-created/65519 "2022-07-24T13:34:01Z")

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Hey, My wife and I share a google calendar and whenever she makes a change I would like to receive a message preferably on our telegram group chat. I googled the last 2 days but I don’t thing anyone has ever made or di…

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## [Graphic display of ping results](https://discourse.nodered.org/t/graphic-display-of-ping-results/65390)

<div class="topic-metadata">

**Author:** [@alexander77](https://discourse.nodered.org/u/alexander77)\
**Replies:** 3\
**Last updated:** [24 July 2022 13:14 UTC](https://discourse.nodered.org/t/graphic-display-of-ping-results/65390 "2022-07-24T13:14:35Z")

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Hi, i want to monitor a small Network with ~ 18 fixed devices. For that reason i ping them every 15 minutes. To visualize the result i tried a state-trail node. Unfortunately, the state trail clears after the configur…

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## [Modbus TCP Server on port 502](https://discourse.nodered.org/t/modbus-tcp-server-on-port-502/4760)

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**Author:** [@victor](https://discourse.nodered.org/u/victor)\
**Replies:** 13\
**Last updated:** [24 July 2022 12:31 UTC](https://discourse.nodered.org/t/modbus-tcp-server-on-port-502/4760 "2022-07-24T12:31:26Z")

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Hi . I am trying to create a TCP modbus server on standard port 502, but when using this port , I do not know why but the system crash. Does anyone have experience in this matter? Thanks

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