# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1093

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

**Page:** 1094

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## [Message payload - String?](https://discourse.nodered.org/t/message-payload-string/26494)

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**Author:** [@uproden](https://discourse.nodered.org/u/uproden)\
**Replies:** 10\
**Last updated:** [11 May 2020 21:15 UTC](https://discourse.nodered.org/t/message-payload-string/26494 "2020-05-11T21:15:27Z")

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I have been using NodeRed for quite a while and have never seen this before. I am using the "file" in node to grab the contents of a file and it seems to work fine, but it's outputting the message payload as a "string" i…

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## [Charts on UI are freezing](https://discourse.nodered.org/t/charts-on-ui-are-freezing/26013)

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**Author:** [@htrendafilov](https://discourse.nodered.org/u/htrendafilov)\
**Replies:** 16\
**Last updated:** [11 May 2020 20:22 UTC](https://discourse.nodered.org/t/charts-on-ui-are-freezing/26013 "2020-05-11T20:22:03Z")

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Hi! I just started with NodeRED and IOT 1 week ago. I'm running Siemens IOT2040 device connected to a PLC. I programd a seconds counter in the PLC - integer changing from 0 to 60 each sekond. Then I tried the UI in m…

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## [Getting raw data from TTN Uplink node](https://discourse.nodered.org/t/getting-raw-data-from-ttn-uplink-node/25997)

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**Author:** [@spark57](https://discourse.nodered.org/u/spark57)\
**Replies:** 37\
**Last updated:** [11 May 2020 20:02 UTC](https://discourse.nodered.org/t/getting-raw-data-from-ttn-uplink-node/25997 "2020-05-11T20:02:11Z")

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I am getting a full frame \[51B\] of raw bytes from a device connected to TTN. For that purpose, an Uplink TTN node is connected to TTN in Node-Red screen. If I pass the results directly to the debug node, I can see the c…

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## [Node-red crashes after "Started flows". Uncaught Exception : EADDRNOTAVAIL port 502](https://discourse.nodered.org/t/node-red-crashes-after-started-flows-uncaught-exception-eaddrnotavail-port-502/26478)

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**Author:** [@kumarsemal](https://discourse.nodered.org/u/kumarsemal)\
**Replies:** 6\
**Last updated:** [11 May 2020 18:57 UTC](https://discourse.nodered.org/t/node-red-crashes-after-started-flows-uncaught-exception-eaddrnotavail-port-502/26478 "2020-05-11T18:57:44Z")

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I am unable to run node-red on my computer. This throws an error while starting NR. I uninstalled node.js and npm both and reinstalled again but the problem persists. Please tell me how to overcome this so that my node-r…

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## [Exec Node and Terminal Problem ( Alsa)](https://discourse.nodered.org/t/exec-node-and-terminal-problem-alsa/24980)

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**Author:** [@m4rten](https://discourse.nodered.org/u/m4rten)\
**Replies:** 19\
**Last updated:** [11 May 2020 18:28 UTC](https://discourse.nodered.org/t/exec-node-and-terminal-problem-alsa/24980 "2020-05-11T18:28:57Z")

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Hello everyone, i try to play music with the raspberry and also play random sound effects at the same time. i followed this tutorial: http://pacmans-revenge.blogspot.com/2018/08/raspberry-pi-bluetooth-speakers.html bu…

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## [Node-red-contrib-component-dashboard major update](https://discourse.nodered.org/t/node-red-contrib-component-dashboard-major-update/26483)

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**Author:** [@cinhcet](https://discourse.nodered.org/u/cinhcet)\
**Replies:** 13\
**Last updated:** [11 May 2020 17:47 UTC](https://discourse.nodered.org/t/node-red-contrib-component-dashboard-major-update/26483 "2020-05-11T17:47:58Z")

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Hi, I updated node-red-contrib-component-dashboard quite significantly. Before the update, all widgets have been written with polymer 3. Since this framework is not developed any further, I have rewritten all widgets f…

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## [Can't receive error from node Node-red-contrib-mssql-plus](https://discourse.nodered.org/t/cant-receive-error-from-node-node-red-contrib-mssql-plus/26290)

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**Author:** [@R-sa](https://discourse.nodered.org/u/R-sa)\
**Replies:** 10\
**Last updated:** [11 May 2020 17:27 UTC](https://discourse.nodered.org/t/cant-receive-error-from-node-node-red-contrib-mssql-plus/26290 "2020-05-11T17:27:03Z")

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In Node-Red V1.0.6 Node.js V12.16.3 I update Node-red-contrib-mssql to Node-red-contrib-mssql-plus(V 0.4.3) by use nmp uninstall. It can connect and receive data from SQL correctly. But when error occur node status stu…

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## [Making flows asynchronous by default](https://discourse.nodered.org/t/making-flows-asynchronous-by-default/14390)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 94\
**Last updated:** [11 May 2020 16:51 UTC](https://discourse.nodered.org/t/making-flows-asynchronous-by-default/14390 "2020-05-11T16:51:25Z")

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In Node-RED 1.0 we're changing the message passing between nodes to be fully asynchronous. To find out what that means and how it might affect your flows, read this new blog post: We'll have a new beta of 1.0 next we…

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## [Node-Red Install Issue - Unable to get issuer cert locally](https://discourse.nodered.org/t/node-red-install-issue-unable-to-get-issuer-cert-locally/9964)

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**Author:** [@jch360](https://discourse.nodered.org/u/jch360)\
**Replies:** 2\
**Last updated:** [12 April 2019 15:25 UTC](https://discourse.nodered.org/t/node-red-install-issue-unable-to-get-issuer-cert-locally/9964 "2019-04-12T15:25:04Z")

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I am trying to install Node-Red, I have installed many versions of Node.js to resolve the issue with no success. This is the errors I receive in powershell and cmd prompt. npm install -g --unsafe-perm node-red npm ERR!…

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## [Node-Red in IBM Cloud](https://discourse.nodered.org/t/node-red-in-ibm-cloud/26492)

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**Author:** [@Hautsi](https://discourse.nodered.org/u/Hautsi)\
**Replies:** 4\
**Last updated:** [11 May 2020 16:40 UTC](https://discourse.nodered.org/t/node-red-in-ibm-cloud/26492 "2020-05-11T16:40:14Z")

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Hi, I'm having problems with running Node-Red in IBM Cloud. It keeps crashing and after when I try to enter Node-Red instance it says "Welcome to your new Node-RED instance in IBM Cloud" and ask me to create new usernam…

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## [Is node-red the right tool for me](https://discourse.nodered.org/t/is-node-red-the-right-tool-for-me/26490)

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**Author:** [@bbesCode](https://discourse.nodered.org/u/bbesCode)\
**Replies:** 10\
**Last updated:** [11 May 2020 16:22 UTC](https://discourse.nodered.org/t/is-node-red-the-right-tool-for-me/26490 "2020-05-11T16:22:28Z")

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Hi, I want to build a little smarthome project with standard REST service, an android app and what I need now is to decide whether I want mqtt for the MCU-communication. Is node-red the tool to do exactly that? if not, d…

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## [Brave browser: Stored data charts have too many X labels](https://discourse.nodered.org/t/brave-browser-stored-data-charts-have-too-many-x-labels/26487)

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**Author:** [@opatiny](https://discourse.nodered.org/u/opatiny)\
**Replies:** 0\
**Last updated:** [11 May 2020 15:28 UTC](https://discourse.nodered.org/t/brave-browser-stored-data-charts-have-too-many-x-labels/26487 "2020-05-11T15:28:19Z")

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I use Brave as my default browser and I've been having loads of troubles with displaying stored data in a chart. This is the kind of result I was getting with a simple test case, with chart payload copied from the doc: …

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## [Node-red-node-ui-table formatting one field based on values in another](https://discourse.nodered.org/t/node-red-node-ui-table-formatting-one-field-based-on-values-in-another/26274)

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**Author:** [@mcdonald\_ajr](https://discourse.nodered.org/u/mcdonald_ajr)\
**Replies:** 4\
**Last updated:** [11 May 2020 14:39 UTC](https://discourse.nodered.org/t/node-red-node-ui-table-formatting-one-field-based-on-values-in-another/26274 "2020-05-11T14:39:19Z")

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I would like to get this field to be green when above zero, red below zero with the progress bar showing the absolute magnitude. Currently if it is negative, it doesn't display (understandably). can I either: refer to …

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## [Protobuf help with decoding a message](https://discourse.nodered.org/t/protobuf-help-with-decoding-a-message/26435)

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**Author:** [@freddyrm](https://discourse.nodered.org/u/freddyrm)\
**Replies:** 4\
**Last updated:** [11 May 2020 14:27 UTC](https://discourse.nodered.org/t/protobuf-help-with-decoding-a-message/26435 "2020-05-11T14:27:48Z")

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Hello everyone, I am pretty new with protocol buffer and need to get a message from a device that uses this kind of communication mean. I am using protobuf-fixed (last updated) node to get an http post containing the …

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## [How to change time from message payload](https://discourse.nodered.org/t/how-to-change-time-from-message-payload/26442)

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**Author:** [@tstill88](https://discourse.nodered.org/u/tstill88)\
**Replies:** 11\
**Last updated:** [11 May 2020 14:15 UTC](https://discourse.nodered.org/t/how-to-change-time-from-message-payload/26442 "2020-05-11T14:15:21Z")

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I have a HomeAssistant automation that writes the date and time to a sensor when i press an RF button. So i have that node in NR and use the current\_state node to read. It outputs the message as msg.payload (as below) 2…

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## [Need for an Android App Supported by the Node Red Community](https://discourse.nodered.org/t/need-for-an-android-app-supported-by-the-node-red-community/24669)

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**Author:** [@maakhanj](https://discourse.nodered.org/u/maakhanj)\
**Replies:** 10\
**Last updated:** [11 May 2020 14:09 UTC](https://discourse.nodered.org/t/need-for-an-android-app-supported-by-the-node-red-community/24669 "2020-05-11T14:09:52Z")

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Continuing the discussion from Node-RED on Android: Android platform provides a nice place to be employed in IoT domain especially its ease of sensors handling. As already highlighted in the referred link, termux not on…

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## [Correct json notation?](https://discourse.nodered.org/t/correct-json-notation/26466)

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**Author:** [@haskle](https://discourse.nodered.org/u/haskle)\
**Replies:** 5\
**Last updated:** [11 May 2020 13:49 UTC](https://discourse.nodered.org/t/correct-json-notation/26466 "2020-05-11T13:49:15Z")

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Hello - very much a NR newbie. I want to make a HomeBridge compatable light come on when the drive gate opens, but I can't work out what the correct notation is within a change node. To test things I have created this …

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## [How to access the individual serial port data buffer bytes and send a reply?](https://discourse.nodered.org/t/how-to-access-the-individual-serial-port-data-buffer-bytes-and-send-a-reply/26403)

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**Author:** [@Waled22](https://discourse.nodered.org/u/Waled22)\
**Replies:** 18\
**Last updated:** [11 May 2020 12:52 UTC](https://discourse.nodered.org/t/how-to-access-the-individual-serial-port-data-buffer-bytes-and-send-a-reply/26403 "2020-05-11T12:52:57Z")

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Hi, I am getting the hex commands from the device through serial in node as can be seen in the picture attached. The buffer contains the five bytes. I want to do the following things and looking forward to your sugge…

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## [How to get the flowId in the flow?](https://discourse.nodered.org/t/how-to-get-the-flowid-in-the-flow/26453)

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**Author:** [@Jack](https://discourse.nodered.org/u/Jack)\
**Replies:** 5\
**Last updated:** [11 May 2020 10:58 UTC](https://discourse.nodered.org/t/how-to-get-the-flowid-in-the-flow/26453 "2020-05-11T10:58:47Z")

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I want to get flowId in my flow, which are used as key to store process error information into the database. Is there any way to do it, such as flow.get("flowId") or?

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## [Node-red project: Cannot pull from remote when repository is private](https://discourse.nodered.org/t/node-red-project-cannot-pull-from-remote-when-repository-is-private/26473)

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**Author:** [@opatiny](https://discourse.nodered.org/u/opatiny)\
**Replies:** 8\
**Last updated:** [11 May 2020 10:03 UTC](https://discourse.nodered.org/t/node-red-project-cannot-pull-from-remote-when-repository-is-private/26473 "2020-05-11T10:03:38Z")

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Hello, I recently started to use Node-red projects in order to have version control of my projects, and especially to be able to have my code in GitHub. For now, I had no problems with pushing to a GitHub repository. …

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## [Selecting code when people paste code here](https://discourse.nodered.org/t/selecting-code-when-people-paste-code-here/26471)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [11 May 2020 09:55 UTC](https://discourse.nodered.org/t/selecting-code-when-people-paste-code-here/26471 "2020-05-11T09:55:57Z")

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(I've got to ask, because I can't believe no one else is thinking it) I appreciate that when you post code you put it like this: example code But if it is several k bytes in size, how is it done? For me, I have to cl…

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## [Cannot update version to node](https://discourse.nodered.org/t/cannot-update-version-to-node/26227)

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**Author:** [@taminhhienmor](https://discourse.nodered.org/u/taminhhienmor)\
**Replies:** 8\
**Last updated:** [11 May 2020 08:27 UTC](https://discourse.nodered.org/t/cannot-update-version-to-node/26227 "2020-05-11T08:27:48Z")

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Hi everyone, Sometimes, I have a problem when I publish (update) my node to https://www.npmjs.com/package/node-red-contrib-google-chat-bot. But I don't see change on https://flows.nodered.org/. For example: https://fl…

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## [How do I set headers without returning response yet?](https://discourse.nodered.org/t/how-do-i-set-headers-without-returning-response-yet/26467)

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**Author:** [@ElleshaHackett](https://discourse.nodered.org/u/ElleshaHackett)\
**Replies:** 4\
**Last updated:** [11 May 2020 08:35 UTC](https://discourse.nodered.org/t/how-do-i-set-headers-without-returning-response-yet/26467 "2020-05-11T08:35:55Z")

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I currently use msg.res.set('x', 'x'); which works fine except for the deprecation warnings "Deprecated call to msg.res.set". I could not find another way to do this without instantly returning response. What is the prop…

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## [Question about sending email formatting for payload](https://discourse.nodered.org/t/question-about-sending-email-formatting-for-payload/26464)

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**Author:** [@Thalios](https://discourse.nodered.org/u/Thalios)\
**Replies:** 4\
**Last updated:** [11 May 2020 08:17 UTC](https://discourse.nodered.org/t/question-about-sending-email-formatting-for-payload/26464 "2020-05-11T08:17:26Z")

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Hello, new NodeRed player here. Having fun extracting data from my Duet 3 card on my 3D Printer to email me useful informations. So far, I have all I need, except the formatting of the data send in the email is horribl…

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## [Array manipulation - build a new array based on the input from 3 arrays](https://discourse.nodered.org/t/array-manipulation-build-a-new-array-based-on-the-input-from-3-arrays/26336)

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**Author:** [@krzydec](https://discourse.nodered.org/u/krzydec)\
**Replies:** 5\
**Last updated:** [11 May 2020 07:48 UTC](https://discourse.nodered.org/t/array-manipulation-build-a-new-array-based-on-the-input-from-3-arrays/26336 "2020-05-11T07:48:50Z")

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Hello I have 2 arrays returned from the two SQL servers. I would like to build a new array I will feed to the dashboard table which will show the comparison between result of the queries. I get to the point where I cre…

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## [Problem with generic form](https://discourse.nodered.org/t/problem-with-generic-form/26451)

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**Author:** [@grammx](https://discourse.nodered.org/u/grammx)\
**Replies:** 2\
**Last updated:** [11 May 2020 07:22 UTC](https://discourse.nodered.org/t/problem-with-generic-form/26451 "2020-05-11T07:22:08Z")

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hi everyone, i am novice of node-red. I have a problem that will surely be foolish for you. I made a dashboard with a form; in the form where are two text fields. Every one minute I read data from csv file and I put d…

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## [How to create Userwise Different Flows in Node Red?](https://discourse.nodered.org/t/how-to-create-userwise-different-flows-in-node-red/26459)

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**Author:** [@dhpatel177](https://discourse.nodered.org/u/dhpatel177)\
**Replies:** 3\
**Last updated:** [11 May 2020 06:40 UTC](https://discourse.nodered.org/t/how-to-create-userwise-different-flows-in-node-red/26459 "2020-05-11T06:40:01Z")

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Can you please guide me how different user can create different flows and they can be stroed user wise?

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## [Improving connection visibility](https://discourse.nodered.org/t/improving-connection-visibility/26436)

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**Author:** [@notnice](https://discourse.nodered.org/u/notnice)\
**Replies:** 6\
**Last updated:** [11 May 2020 06:31 UTC](https://discourse.nodered.org/t/improving-connection-visibility/26436 "2020-05-11T06:31:50Z")

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As my workflows become more complex, the connections have become more difficult to follow. Out-in virtual connections have helped in some places, but they can add more clutter. I have seen some threads on similar topics…

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## [Problems with Hiding Groups](https://discourse.nodered.org/t/problems-with-hiding-groups/24934)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 2\
**Last updated:** [11 May 2020 06:19 UTC](https://discourse.nodered.org/t/problems-with-hiding-groups/24934 "2020-05-11T06:19:44Z")

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Hello, I would like to hide or show groups in dependence on an active payload. So if i get an active Payload (in my case every 1200 ms) i want to show the group, if not i want to hide it. As second i would like to hid…

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## [Proposal: create the possibility to add an explicit comment/title in flow design with custom color and size](https://discourse.nodered.org/t/proposal-create-the-possibility-to-add-an-explicit-comment-title-in-flow-design-with-custom-color-and-size/26289)

<div class="topic-metadata">

**Author:** [@frklk](https://discourse.nodered.org/u/frklk)\
**Replies:** 7\
**Last updated:** [11 May 2020 06:18 UTC](https://discourse.nodered.org/t/proposal-create-the-possibility-to-add-an-explicit-comment-title-in-flow-design-with-custom-color-and-size/26289 "2020-05-11T06:18:09Z")

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Hi all, could be possible to add a feature in the flow designer that allow you place a title fully visible at desgn time? it will be really usefull in documentig complex flow. thanks & cheers

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