# Latest **URL:** https://discourse.nodered.org/latest.md?page=970 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 971 --- ## ["Grouping nodes" - I'm not getting it](https://discourse.nodered.org/t/grouping-nodes-im-not-getting-it/34759)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 18\ **Last updated:** [27 October 2020 17:05 UTC](https://discourse.nodered.org/t/grouping-nodes-im-not-getting-it/34759 "2020-10-27T17:05:27Z")
This is more me catching up with things and while looking for something else I saw this. 58 seconds in I have 1.1.2 But I can't see how to create the group. Sorry, but the video isn't showing me how this is done. My… --- ## [Default Value for Dropdown](https://discourse.nodered.org/t/default-value-for-dropdown/34852)
**Author:** [@smilerz](https://discourse.nodered.org/u/smilerz)\ **Replies:** 13\ **Last updated:** [27 October 2020 16:27 UTC](https://discourse.nodered.org/t/default-value-for-dropdown/34852 "2020-10-27T16:27:16Z")
I followed examples found elsewhere in the forums and am unable to set a default value in the dropdowns for lists that contain display and value fields. I believe that the following should work - the value of the drop d… --- ## [Pass NR-data to modbus-tcp-client?](https://discourse.nodered.org/t/pass-nr-data-to-modbus-tcp-client/34796)
**Author:** [@syma33](https://discourse.nodered.org/u/syma33)\ **Replies:** 3\ **Last updated:** [27 October 2020 16:26 UTC](https://discourse.nodered.org/t/pass-nr-data-to-modbus-tcp-client/34796 "2020-10-27T16:26:59Z")
i have a HMI where i can setup multiple modbus TCPmasters to listen or write data to (for controling the individual technical equipment)... now i got many temperature sensor in my NR-setup i do like to pass to the HMI th… --- ## [Update to tfjs-coco-ssd node (added bounding boxes)](https://discourse.nodered.org/t/update-to-tfjs-coco-ssd-node-added-bounding-boxes/34798)
**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\ **Replies:** 3\ **Last updated:** [27 October 2020 14:00 UTC](https://discourse.nodered.org/t/update-to-tfjs-coco-ssd-node-added-bounding-boxes/34798 "2020-10-27T14:00:55Z")
For those that like tfjs and image recognition... I have updated my node-red-contrib-tfjs-coco-ssd node to now also optionally add the bounding boxes to the image - making sending to email, telegram, etc that bit easier. … --- ## [V2.23.4 Dropdown sending numbers instead of strings](https://discourse.nodered.org/t/v2-23-4-dropdown-sending-numbers-instead-of-strings/34815)
**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\ **Replies:** 7\ **Last updated:** [27 October 2020 11:06 UTC](https://discourse.nodered.org/t/v2-23-4-dropdown-sending-numbers-instead-of-strings/34815 "2020-10-27T11:06:23Z")
After upgrading node-red to 1.2.2 and the dashboard to 2.23.4 I have found some issues with the Dropdown node. Following the upgrade all existing dropdowns now have Allow Multple Selections enabled, which was not the … --- ## [Upload own files from my own pc with Node Red Dashboard](https://discourse.nodered.org/t/upload-own-files-from-my-own-pc-with-node-red-dashboard/34284)
**Author:** [@galactus\_silver](https://discourse.nodered.org/u/galactus_silver)\ **Replies:** 28\ **Last updated:** [27 October 2020 10:43 UTC](https://discourse.nodered.org/t/upload-own-files-from-my-own-pc-with-node-red-dashboard/34284 "2020-10-27T10:43:44Z")
Hey guys, first my English is not so good. I am sorry if i make worst sentences or questions. I would be very happy if someone can help me with this problem. How can I create something on the Node Red Dashboard where … --- ## [Version 1.1.x / 1.2.x and Express](https://discourse.nodered.org/t/version-1-1-x-1-2-x-and-express/34573)
**Author:** [@yutter](https://discourse.nodered.org/u/yutter)\ **Replies:** 10\ **Last updated:** [27 October 2020 10:08 UTC](https://discourse.nodered.org/t/version-1-1-x-1-2-x-and-express/34573 "2020-10-27T10:08:16Z")
Hi Has anybody seen strange behaviour with Node-RED v1.1.x and 1.2.x when running embedded in an app using Express? We have noticed that when we restart our app with a web page open that was previously browsing our app… --- ## [Random Number Chart](https://discourse.nodered.org/t/random-number-chart/34873)
**Author:** [@rizalbaw](https://discourse.nodered.org/u/rizalbaw)\ **Replies:** 2\ **Last updated:** [27 October 2020 08:01 UTC](https://discourse.nodered.org/t/random-number-chart/34873 "2020-10-27T08:01:52Z")
I want to put my array of random number into chart. And I only got this. Maybe someone can help me. And here is the flow \[{"id":"60f6e9da.252998","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"5742a57… --- ## [\[ANNOUNCE\] Do-RED 0.2.1: Added easy navigation and documentation first approach](https://discourse.nodered.org/t/announce-do-red-0-2-1-added-easy-navigation-and-documentation-first-approach/34818)
**Author:** [@2WeltenChris](https://discourse.nodered.org/u/2WeltenChris)\ **Replies:** 2\ **Last updated:** [27 October 2020 07:38 UTC](https://discourse.nodered.org/t/announce-do-red-0-2-1-added-easy-navigation-and-documentation-first-approach/34818 "2020-10-27T07:38:19Z")
Do-RED grew to a little toolkit making life easier with Node-RED: Apart from easily defining loops, task-lists and no-ops you can now also easily navigate through your flow using corresponding actions and start defining … --- ## [Time Range Node broken since daylight saving?](https://discourse.nodered.org/t/time-range-node-broken-since-daylight-saving/34871)
**Author:** [@Clarry24](https://discourse.nodered.org/u/Clarry24)\ **Replies:** 1\ **Last updated:** [27 October 2020 07:22 UTC](https://discourse.nodered.org/t/time-range-node-broken-since-daylight-saving/34871 "2020-10-27T07:22:42Z")
Hi, I am using the node-red-contrib-time-range-switch Node to avoid certain activities between 23:50 and 01:00 (around midnight) in my local LAN. Unfortunately it seems that the node is broken since this weekend becaus… --- ## [Node red becoming increasingly un-responsive until restart](https://discourse.nodered.org/t/node-red-becoming-increasingly-un-responsive-until-restart/34765)
**Author:** [@Roaders](https://discourse.nodered.org/u/Roaders)\ **Replies:** 5\ **Last updated:** [27 October 2020 02:11 UTC](https://discourse.nodered.org/t/node-red-becoming-increasingly-un-responsive-until-restart/34765 "2020-10-27T02:11:56Z")
Hi All Over the last few weeks I have noticed node red gets more and more unresponsive until eventually it just seems to stop working completely. When I restart it's fine again initially but gradually gets slower. Are … --- ## [Refresh UI avoiding msg loops](https://discourse.nodered.org/t/refresh-ui-avoiding-msg-loops/34550)
**Author:** [@woiptcs](https://discourse.nodered.org/u/woiptcs)\ **Replies:** 28\ **Last updated:** [27 October 2020 01:58 UTC](https://discourse.nodered.org/t/refresh-ui-avoiding-msg-loops/34550 "2020-10-27T01:58:56Z")
Hi all , I'm developing a simple interface for home automation which has some logic behind , internal updates and calls to AI routines though APIs. I'm having problems probably cause a lack of knowledge in general javas… --- ## [Solving a long standing PITA!](https://discourse.nodered.org/t/solving-a-long-standing-pita/34793)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 5\ **Last updated:** [27 October 2020 01:57 UTC](https://discourse.nodered.org/t/solving-a-long-standing-pita/34793 "2020-10-27T01:57:11Z")
Well, now that I have some serious time in with NR, MQTT, etc. I am going to solve a PITA. Most PC video cards do NOT support CEC (Consumer Electronics Control) protocol. Including the two video adapters I have in my c… --- ## [Time range node recommendation](https://discourse.nodered.org/t/time-range-node-recommendation/34651)
**Author:** [@Kazzy](https://discourse.nodered.org/u/Kazzy)\ **Replies:** 10\ **Last updated:** [26 October 2020 23:05 UTC](https://discourse.nodered.org/t/time-range-node-recommendation/34651 "2020-10-26T23:05:34Z")
Hi all I have been playing around with Node-Red for a little while and really enjoying it a lot. I have a Philip Hue Motion and wanted to take more control over it in NR. So i wanted a Node that would allow me to say… --- ## [Trying to create a function with replace and variables](https://discourse.nodered.org/t/trying-to-create-a-function-with-replace-and-variables/34861)
**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\ **Replies:** 4\ **Last updated:** [26 October 2020 22:51 UTC](https://discourse.nodered.org/t/trying-to-create-a-function-with-replace-and-variables/34861 "2020-10-26T22:51:11Z")
Last frustration for tonight i hope :wink: i created the function below function findReplace(find,replace,html) { html = html.replace( find/g, replace ); //(/blue/gi, "red"); return html; } where find is a va… --- ## [How to embed node red to electron app?](https://discourse.nodered.org/t/how-to-embed-node-red-to-electron-app/34857)
**Author:** [@Norberg95](https://discourse.nodered.org/u/Norberg95)\ **Replies:** 4\ **Last updated:** [26 October 2020 21:47 UTC](https://discourse.nodered.org/t/how-to-embed-node-red-to-electron-app/34857 "2020-10-26T21:47:30Z")
My task is to embed node red to an electron app. The idea is that some functionalities are developed in node red, such as API calls which than passes the data to the electron app, or the app sends data to the flow's entr… --- ## [From text to variable](https://discourse.nodered.org/t/from-text-to-variable/34850)
**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\ **Replies:** 9\ **Last updated:** [26 October 2020 21:13 UTC](https://discourse.nodered.org/t/from-text-to-variable/34850 "2020-10-26T21:13:08Z")
I have some info in a database one of the fiels is msg.code\[i\] When i get this back from the database it is between quotes "msg.code\[i\]" How can i convert the value too a variable? Just removing the "" wasnt working T… --- ## [Kafka node with Avro?](https://discourse.nodered.org/t/kafka-node-with-avro/34855)
**Author:** [@tommy](https://discourse.nodered.org/u/tommy)\ **Replies:** 0\ **Last updated:** [26 October 2020 20:22 UTC](https://discourse.nodered.org/t/kafka-node-with-avro/34855 "2020-10-26T20:22:25Z")
Hi Anyone know if there is a node out there to use with Kafka and Avro schema serialization and deserialization ? I've tried quite a few from what I found but so far unable to find anything useful. --- ## [Can I transfer data from PLC Omron to Node Red using Host Link Protocol?](https://discourse.nodered.org/t/can-i-transfer-data-from-plc-omron-to-node-red-using-host-link-protocol/34311)
**Author:** [@Anne](https://discourse.nodered.org/u/Anne)\ **Replies:** 7\ **Last updated:** [26 October 2020 18:22 UTC](https://discourse.nodered.org/t/can-i-transfer-data-from-plc-omron-to-node-red-using-host-link-protocol/34311 "2020-10-26T18:22:07Z")
hi everyone. Im new here. I have a question, can I transfer data from PLC Omron to node red using host link protocol? --- ## [Pi - Fail to start as a service](https://discourse.nodered.org/t/pi-fail-to-start-as-a-service/34803)
**Author:** [@Napalmcsr](https://discourse.nodered.org/u/Napalmcsr)\ **Replies:** 22\ **Last updated:** [26 October 2020 16:35 UTC](https://discourse.nodered.org/t/pi-fail-to-start-as-a-service/34803 "2020-10-26T16:35:23Z")
I am new to RaspberryPi, and I am sure this is something simple about what the directory I am running out of but... I can start using node-red-pi --max-old-space-size=256 but when I run node-red-start I get Startin… --- ## [Time Picker Issue - no arrows (Chrome)](https://discourse.nodered.org/t/time-picker-issue-no-arrows-chrome/34601)
**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\ **Replies:** 14\ **Last updated:** [26 October 2020 16:11 UTC](https://discourse.nodered.org/t/time-picker-issue-no-arrows-chrome/34601 "2020-10-26T16:11:15Z")
When using time picker in Chrome (Version 86.0.4240.111 (Official Build) (64-bit)) the arrows that traditionally came up to adjust the hour / minute / ampm no longer display. The same problem occurs when I launch Dashbo… --- ## [Node-Red + Cloudant](https://discourse.nodered.org/t/node-red-cloudant/33289)
**Author:** [@Martin10](https://discourse.nodered.org/u/Martin10)\ **Replies:** 31\ **Last updated:** [26 October 2020 15:44 UTC](https://discourse.nodered.org/t/node-red-cloudant/33289 "2020-10-26T15:44:35Z")
Hi i try to connect NR and Cloudant via this tutorial, but i have this error: Any help, please? --- ## [Endpoints & callbacks](https://discourse.nodered.org/t/endpoints-callbacks/34833)
**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\ **Replies:** 2\ **Last updated:** [26 October 2020 15:08 UTC](https://discourse.nodered.org/t/endpoints-callbacks/34833 "2020-10-26T15:08:24Z")
I've not had much experience with endpoints, but I'm trying to listen for a POST request, after creating an endpoint like this; \[{"id":"137645fc.bfb2ba","type":"debug","z":"9a54d43d.46e888","name":"","active":true,"to… --- ## [E-mail node on IBM NR](https://discourse.nodered.org/t/e-mail-node-on-ibm-nr/34830)
**Author:** [@alexmacabu](https://discourse.nodered.org/u/alexmacabu)\ **Replies:** 4\ **Last updated:** [26 October 2020 14:27 UTC](https://discourse.nodered.org/t/e-mail-node-on-ibm-nr/34830 "2020-10-26T14:27:17Z")
Hello guys! I'm running NR on the IBM Cloud and I can't find the e-mail node nor the 'Social' category. You guys would know how to install it? Thanks! --- ## [Using node.status() with a config node](https://discourse.nodered.org/t/using-node-status-with-a-config-node/19909)
**Author:** [@fahrvergnuugen](https://discourse.nodered.org/u/fahrvergnuugen)\ **Replies:** 6\ **Last updated:** [26 October 2020 14:21 UTC](https://discourse.nodered.org/t/using-node-status-with-a-config-node/19909 "2020-10-26T14:21:08Z")
I would like to use the node.status() method to update the status of a config node for the user. How can I display the node's status in the config panel? Is there an event that is emitted when the status changes? --- ## [Message structure checking not working as I thought](https://discourse.nodered.org/t/message-structure-checking-not-working-as-i-thought/34817)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 14\ **Last updated:** [26 October 2020 10:31 UTC](https://discourse.nodered.org/t/message-structure-checking-not-working-as-i-thought/34817 "2020-10-26T10:31:54Z")
Ok, sorry, but this is confusing me. I've recently been down the message structure trip and have learnt a couple of things. So, I get a message from openweathermap node. The rain fall is given in the message as: msg… --- ## [Graph with stored data](https://discourse.nodered.org/t/graph-with-stored-data/5956)
**Author:** [@Giacomino](https://discourse.nodered.org/u/Giacomino)\ **Replies:** 29\ **Last updated:** [26 October 2020 10:23 UTC](https://discourse.nodered.org/t/graph-with-stored-data/5956 "2020-10-26T10:23:43Z")
Hi everybody, I'm pretty new to NodeRed. I have a problem with making graph with data stored. My data are in Json format like :{"t":"2018-12-12T15:00:00.000Z","temp\_in\_cooling":"320.00"}. i Can make graph using directly… --- ## [Automatically restart one flow (not all flows)](https://discourse.nodered.org/t/automatically-restart-one-flow-not-all-flows/34813)
**Author:** [@mhechthz](https://discourse.nodered.org/u/mhechthz)\ **Replies:** 3\ **Last updated:** [26 October 2020 09:02 UTC](https://discourse.nodered.org/t/automatically-restart-one-flow-not-all-flows/34813 "2020-10-26T09:02:57Z")
Hi, I managed to restart all the flows automatically from within one workflow. What I really need is to restart only one workflow and keep the others unattached. So I tried to send the restart command to IP:PORT/#flow/… --- ## [Building a Multi Tenant Node-RED Service](https://discourse.nodered.org/t/building-a-multi-tenant-node-red-service/33607)
**Author:** [@hardillb](https://discourse.nodered.org/u/hardillb)\ **Replies:** 10\ **Last updated:** [26 October 2020 06:37 UTC](https://discourse.nodered.org/t/building-a-multi-tenant-node-red-service/33607 "2020-10-26T06:37:06Z")
I was recently approached about adding Multi Tenant support to the core of Node-RED, I had to explain that due to the nature of NodeJS this isn't really a good idea as there is no way to get clean separation between the … --- ## [How to compare Slider value with sensor value](https://discourse.nodered.org/t/how-to-compare-slider-value-with-sensor-value/34792)
**Author:** [@mgolemanov](https://discourse.nodered.org/u/mgolemanov)\ **Replies:** 2\ **Last updated:** [26 October 2020 05:07 UTC](https://discourse.nodered.org/t/how-to-compare-slider-value-with-sensor-value/34792 "2020-10-26T05:07:12Z")
Hi guis, im verry new in the Node-Red programming. Can you help me to compare the slider value with the sensore value. 10x \[ { "id": "7c559bef.0cf194", "type": "inject", "z": "200e10c3.91d0… [Previous page](https://discourse.nodered.org/latest.md?page=969) [Next page](https://discourse.nodered.org/latest.md?page=971)