# Latest **URL:** https://discourse.nodered.org/latest.md?page=714 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 715 --- ## [New created node not visible in the palette](https://discourse.nodered.org/t/new-created-node-not-visible-in-the-palette/52355)
**Author:** [@Lena](https://discourse.nodered.org/u/Lena)\ **Replies:** 4\ **Last updated:** [18 October 2021 12:42 UTC](https://discourse.nodered.org/t/new-created-node-not-visible-in-the-palette/52355 "2021-10-18T12:42:42Z")
Hey, I created new nodes for OPC UA. Now I would like to test them, but they are not visible in the palette on the left side. In the html-File I created a new category, but I can´t see this new category. But when I take… --- ## [Unixtime to localtime](https://discourse.nodered.org/t/unixtime-to-localtime/52364)
**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\ **Replies:** 2\ **Last updated:** [18 October 2021 12:19 UTC](https://discourse.nodered.org/t/unixtime-to-localtime/52364 "2021-10-18T12:19:39Z")
Hi, I can´t get the right time for example: 1634641200 should be: 19.10.2021, 13:00:00 \[UTC+2\] I tried date/time formater gives me: "1970-01-19T22:04:01.200Z" and $moment(payload).locale("de").format('dddd, \[der\] … --- ## [Using Moustache in Subflow fields for dynamic and explicit content?](https://discourse.nodered.org/t/using-moustache-in-subflow-fields-for-dynamic-and-explicit-content/52337)
**Author:** [@JpEncausse](https://discourse.nodered.org/u/JpEncausse)\ **Replies:** 8\ **Last updated:** [18 October 2021 12:22 UTC](https://discourse.nodered.org/t/using-moustache-in-subflow-fields-for-dynamic-and-explicit-content/52337 "2021-10-18T12:22:15Z")
Hello, (First thanks for Node-RED an amazing tool I use for personal project for 5 years) I love default nodes and subflow mechanism, but I struggle on the same issues/pattern : \[a Function Node to Set msg.val.ues\] =\> … --- ## [Rpi infput Delayed off whitch is discarded when rpi returns high before timeout](https://discourse.nodered.org/t/rpi-infput-delayed-off-whitch-is-discarded-when-rpi-returns-high-before-timeout/52336)
**Author:** [@pa3fbx](https://discourse.nodered.org/u/pa3fbx)\ **Replies:** 8\ **Last updated:** [18 October 2021 10:34 UTC](https://discourse.nodered.org/t/rpi-infput-delayed-off-whitch-is-discarded-when-rpi-returns-high-before-timeout/52336 "2021-10-18T10:34:31Z")
Hi, Well still playing with Node-red today i have a simple problem where i cannot find the node-red solution... I have a RPI input going high controlling something.. Whenever its going low i need to delay the off state… --- ## [How is correlation calculated?](https://discourse.nodered.org/t/how-is-correlation-calculated/52352)
**Author:** [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\ **Replies:** 8\ **Last updated:** [18 October 2021 10:08 UTC](https://discourse.nodered.org/t/how-is-correlation-calculated/52352 "2021-10-18T10:08:17Z")
Hello, how can I calculate the correlation. I tried several nodes but failed. --- ## [MQTT for problems that occur when singletones share the same object](https://discourse.nodered.org/t/mqtt-for-problems-that-occur-when-singletones-share-the-same-object/52354)
**Author:** [@JaeHyunKim](https://discourse.nodered.org/u/JaeHyunKim)\ **Replies:** 4\ **Last updated:** [18 October 2021 10:02 UTC](https://discourse.nodered.org/t/mqtt-for-problems-that-occur-when-singletones-share-the-same-object/52354 "2021-10-18T10:02:34Z")
Hello. I want to create a dynamically linked MQTT object. I found 'node-red-contrib-mqtt-dynamictopic' as a similar node. However, I ask because it is not like the function I want to make because only the Topic can be… --- ## [Free Node-RED Hosting in the Cloud](https://discourse.nodered.org/t/free-node-red-hosting-in-the-cloud/52116)
**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\ **Replies:** 6\ **Last updated:** [18 October 2021 08:33 UTC](https://discourse.nodered.org/t/free-node-red-hosting-in-the-cloud/52116 "2021-10-18T08:33:35Z")
IBM used to offer a very convenient way to host a Node-RED instance in the cloud for free - but since a few days, this offer does not exist any more (and this change is so brand new that their user interface still claims… --- ## [Need help with comparing 2 csv-files (2 nodes) within a function](https://discourse.nodered.org/t/need-help-with-comparing-2-csv-files-2-nodes-within-a-function/5338)
**Author:** [@elchmo](https://discourse.nodered.org/u/elchmo)\ **Replies:** 7\ **Last updated:** [18 October 2021 08:02 UTC](https://discourse.nodered.org/t/need-help-with-comparing-2-csv-files-2-nodes-within-a-function/5338 "2021-10-18T08:02:17Z")
Hello guys, I'm new here(I'm a noob haha), so I don't really know how the different nodes work. My problem is: I'd like to get the difference between 2 csv-files which are both returned as arrays. So i have got 2 inpu… --- ## [Connection failed to broker: mqtt ://192.168.1.8:1883](https://discourse.nodered.org/t/connection-failed-to-broker-mqtt-192-168-1-8-1883/52315)
**Author:** [@ajaySh](https://discourse.nodered.org/u/ajaySh)\ **Replies:** 2\ **Last updated:** [18 October 2021 04:34 UTC](https://discourse.nodered.org/t/connection-failed-to-broker-mqtt-192-168-1-8-1883/52315 "2021-10-18T04:34:16Z")
Hi Can someone help me with this. Have disabled Firewall just in case, but am not able to connect. I am sorry but i am very new at this. C:\>NOdE-Red 17 Oct 12:22:10 - \[info\] Welcome to Node-RED 17 Oct 12:22:10 - \[in… --- ## [Dashboard not showing scanned objects](https://discourse.nodered.org/t/dashboard-not-showing-scanned-objects/52341)
**Author:** [@sws\_nodered](https://discourse.nodered.org/u/sws_nodered)\ **Replies:** 0\ **Last updated:** [18 October 2021 03:36 UTC](https://discourse.nodered.org/t/dashboard-not-showing-scanned-objects/52341 "2021-10-18T03:36:11Z")
Hi there!!!, I am new to node-red programming and I am working on a school project recently assigned to me... so please forgive me in advance if I am missing anything or using the wrong terms, I am still learning it wit… --- ## [\[BUG FIX\] node-red-contrib-simple-gate (version 0.5.2)](https://discourse.nodered.org/t/bug-fix-node-red-contrib-simple-gate-version-0-5-2/51987)
**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\ **Replies:** 0\ **Last updated:** [7 October 2021 20:13 UTC](https://discourse.nodered.org/t/bug-fix-node-red-contrib-simple-gate-version-0-5-2/51987 "2021-10-07T20:13:35Z")
This version fixes a bug that caused the node to fail when trying to save its context to a context store that does not support synchronous access. Since the node cannot tell whether or not the context store selected by t… --- ## [Delayed execution / one-time scheduling](https://discourse.nodered.org/t/delayed-execution-one-time-scheduling/52326)
**Author:** [@bogorad](https://discourse.nodered.org/u/bogorad)\ **Replies:** 14\ **Last updated:** [17 October 2021 22:43 UTC](https://discourse.nodered.org/t/delayed-execution-one-time-scheduling/52326 "2021-10-17T22:43:57Z")
I need to execute some tasks with a small delay. E.g., when a specific door opens, I get an MQTT message, and need to take a snapshot, but, say, with a 5-second delay. I don't want to use NR's blocking delays, since othe… --- ## [UDP Broadcast crash](https://discourse.nodered.org/t/udp-broadcast-crash/50851)
**Author:** [@chrisofCCL](https://discourse.nodered.org/u/chrisofCCL)\ **Replies:** 1\ **Last updated:** [17 October 2021 22:14 UTC](https://discourse.nodered.org/t/udp-broadcast-crash/50851 "2021-10-17T22:14:26Z")
This is a strange one. I have a large flow, still WIP. It already includes a USP OUT node, which uses msg.port and msg.ip as its parameters. However, when I add another UDP OUT, this time set to broadcast I get an instan… --- ## [Node-red and mapping](https://discourse.nodered.org/t/node-red-and-mapping/52335)
**Author:** [@secs](https://discourse.nodered.org/u/secs)\ **Replies:** 0\ **Last updated:** [17 October 2021 20:31 UTC](https://discourse.nodered.org/t/node-red-and-mapping/52335 "2021-10-17T20:31:33Z")
Hi all. I started out in Node-Red with Homeassistant and now have started to use it outside that for various things. So far I cant fault it. Currently I have it pulling data from a website and plotting it on WorldMap no… --- ## [Missing flow. variables](https://discourse.nodered.org/t/missing-flow-variables/52327)
**Author:** [@biros](https://discourse.nodered.org/u/biros)\ **Replies:** 4\ **Last updated:** [17 October 2021 19:27 UTC](https://discourse.nodered.org/t/missing-flow-variables/52327 "2021-10-17T19:27:18Z")
Hello, While I have quite a few, flow variables disappeared. Version 2.0.6; Am I doing something wrong? I haven't really changed anything node red wise in the last couple of months just updated it continuously. Tod… --- ## [Time Triggered Inject Ussie](https://discourse.nodered.org/t/time-triggered-inject-ussie/52260)
**Author:** [@Calendil](https://discourse.nodered.org/u/Calendil)\ **Replies:** 4\ **Last updated:** [17 October 2021 14:16 UTC](https://discourse.nodered.org/t/time-triggered-inject-ussie/52260 "2021-10-17T14:16:52Z")
Hello All, I am having an issue with specific time triggered inject node. It triggers may be once out of 20 tries whenever I set it up on upcoming time. It is not triggering on specific time and day. I flat out importe… --- ## [Help understanding http in output](https://discourse.nodered.org/t/help-understanding-http-in-output/52320)
**Author:** [@spoopy](https://discourse.nodered.org/u/spoopy)\ **Replies:** 5\ **Last updated:** [17 October 2021 11:40 UTC](https://discourse.nodered.org/t/help-understanding-http-in-output/52320 "2021-10-17T11:40:05Z")
Hello, new to node red and struggling to understanding how to to deal with the output of a webhook posting to an http in node The payload comes out as a buffer which when converted to a string looks like: --931efb49-f… --- ## [Storing a response to a variable](https://discourse.nodered.org/t/storing-a-response-to-a-variable/52317)
**Author:** [@Bos1982](https://discourse.nodered.org/u/Bos1982)\ **Replies:** 2\ **Last updated:** [17 October 2021 11:04 UTC](https://discourse.nodered.org/t/storing-a-response-to-a-variable/52317 "2021-10-17T11:04:00Z")
Hi, I am working on something but it seems a little bit too difficult for me.... For the use of an API you first need to send a bearer token message, to receive a new one which is valid for only 24 hours. I know how t… --- ## [Maybe change the UI on import copy dialog?](https://discourse.nodered.org/t/maybe-change-the-ui-on-import-copy-dialog/52316)
**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\ **Replies:** 0\ **Last updated:** [17 October 2021 08:30 UTC](https://discourse.nodered.org/t/maybe-change-the-ui-on-import-copy-dialog/52316 "2021-10-17T08:30:15Z")
I was re-importing a flow via clipboard and ended up with this dialog and I found it confusing - nothing new there :slight\_smile: Just referring to my win8 node (which is MQTT config) I eventually realised that I had… --- ## [Wall mounted Node-RED touch screen device: Request for ideas and volunteers](https://discourse.nodered.org/t/wall-mounted-node-red-touch-screen-device-request-for-ideas-and-volunteers/51136)
**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\ **Replies:** 160\ **Last updated:** [17 October 2021 07:52 UTC](https://discourse.nodered.org/t/wall-mounted-node-red-touch-screen-device-request-for-ideas-and-volunteers/51136 "2021-10-17T07:52:41Z")
Hi folks, Winter is coming, which means my wife will ask again when I will have room temperature control ready: for example when she enters the bathroom at 07:00 in the morning, the room shouldn't be heated. I can't co… --- ## [Pi-top-4 mini OLED & buttons from node red](https://discourse.nodered.org/t/pi-top-4-mini-oled-buttons-from-node-red/52313)
**Author:** [@m\_elias](https://discourse.nodered.org/u/m_elias)\ **Replies:** 1\ **Last updated:** [17 October 2021 05:45 UTC](https://discourse.nodered.org/t/pi-top-4-mini-oled-buttons-from-node-red/52313 "2021-10-17T05:45:22Z")
Has anyone run Node Red on a pi-top-4? I have it going using the regular Pi installation script. Now I'm wondering if there's already some nodes to access the mini OLED and buttons. I think there's a API so I expect it'l… --- ## [Memory leak in modbus flow](https://discourse.nodered.org/t/memory-leak-in-modbus-flow/15422)
**Author:** [@josekavunkal](https://discourse.nodered.org/u/josekavunkal)\ **Replies:** 13\ **Last updated:** [17 October 2021 01:46 UTC](https://discourse.nodered.org/t/memory-leak-in-modbus-flow/15422 "2021-10-17T01:46:41Z")
I working on a Modbus TCP flow . When the network is slow Node-red is consuming more and more memory . if there a chance for Queue formation in these nodes and it consumes more memory?. What is the best way to find me… --- ## [Pool Relays Using Raspberry PI and Node Red](https://discourse.nodered.org/t/pool-relays-using-raspberry-pi-and-node-red/51864)
**Author:** [@timothyha22](https://discourse.nodered.org/u/timothyha22)\ **Replies:** 17\ **Last updated:** [17 October 2021 01:26 UTC](https://discourse.nodered.org/t/pool-relays-using-raspberry-pi-and-node-red/51864 "2021-10-17T01:26:19Z")
Hey everyone, I am new to node red and raspberry but have been working in tech for many years. I have built a simple system to automate my pool controls and it is working great. What I am struggling with is building a s… --- ## [Html input from table with images](https://discourse.nodered.org/t/html-input-from-table-with-images/52308)
**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\ **Replies:** 2\ **Last updated:** [16 October 2021 20:37 UTC](https://discourse.nodered.org/t/html-input-from-table-with-images/52308 "2021-10-16T20:37:15Z")
Hi! Trying to create a html page with iamges that sends a payload to nr. Found some examples but cannot get it to work that it sends the id as a payload. Can somebody help me to tell me what i do wrong? My flow is be… --- ## [Azure docker settings.js location](https://discourse.nodered.org/t/azure-docker-settings-js-location/52301)
**Author:** [@ulysses.codes](https://discourse.nodered.org/u/ulysses.codes)\ **Replies:** 4\ **Last updated:** [16 October 2021 17:57 UTC](https://discourse.nodered.org/t/azure-docker-settings-js-location/52301 "2021-10-16T17:57:26Z")
When pulling the latest docker image onto an Azure container instance, the settings file ends up in the user directory instead of the mounted file share at /data. Any way to avoid this so settings.js is on the file shar… --- ## [I²C address with raspberry Pi Zero](https://discourse.nodered.org/t/i-c-address-with-raspberry-pi-zero/52058)
**Author:** [@Crashy77](https://discourse.nodered.org/u/Crashy77)\ **Replies:** 18\ **Last updated:** [16 October 2021 17:54 UTC](https://discourse.nodered.org/t/i-c-address-with-raspberry-pi-zero/52058 "2021-10-16T17:54:37Z")
Hi. I´m having the repeater and analogue card from Horter&Kalb, just for starting with I²C. I need the analogue output as setpoint 0-10V. Everything is running on a Pi Zero When I´m using "i2cdetect -y 1" in the tabl… --- ## [Removal of extensions in strings and converting to number for a two-point control](https://discourse.nodered.org/t/removal-of-extensions-in-strings-and-converting-to-number-for-a-two-point-control/52196)
**Author:** [@AndyWB](https://discourse.nodered.org/u/AndyWB)\ **Replies:** 18\ **Last updated:** [16 October 2021 17:11 UTC](https://discourse.nodered.org/t/removal-of-extensions-in-strings-and-converting-to-number-for-a-two-point-control/52196 "2021-10-16T17:11:30Z")
Removing extensions in strings and converting to number for a twoGood morning for days I've been trying the following: I have a target and actual temperature from OpenHab. I would like to subtract these from each other u… --- ## [Software Flow Control to be added to nodered-node-serialport](https://discourse.nodered.org/t/software-flow-control-to-be-added-to-nodered-node-serialport/52304)
**Author:** [@mattsaxon](https://discourse.nodered.org/u/mattsaxon)\ **Replies:** 0\ **Last updated:** [16 October 2021 16:17 UTC](https://discourse.nodered.org/t/software-flow-control-to-be-added-to-nodered-node-serialport/52304 "2021-10-16T16:17:10Z")
This node supports hardware flow control, but not software flow control (aka xonxoff) The underlying node-serialport library supports this, though the documentation is being queried as per this post here Documentation i… --- ## [Pie in the sky: Front-end programming with Node-RED](https://discourse.nodered.org/t/pie-in-the-sky-front-end-programming-with-node-red/51887)
**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\ **Replies:** 5\ **Last updated:** [6 October 2021 20:43 UTC](https://discourse.nodered.org/t/pie-in-the-sky-front-end-programming-with-node-red/51887 "2021-10-06T20:43:12Z")
Hello, I have this idea burning a hole in my head, and since I've no time to work on it I need to write it up so I can focus on other things. I'll walk through my thinking in bullet-points: In essence, Node-RED is ju… --- ## [Pasting into Monaco Editor Query](https://discourse.nodered.org/t/pasting-into-monaco-editor-query/52235)
**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\ **Replies:** 19\ **Last updated:** [16 October 2021 13:51 UTC](https://discourse.nodered.org/t/pasting-into-monaco-editor-query/52235 "2021-10-16T13:51:16Z")
I have undoubtedly missed something somewhere but whenever I paste JavaScript into the Monaco editor any formatting is lost. What should I be doing to retain any format? [Previous page](https://discourse.nodered.org/latest.md?page=713) [Next page](https://discourse.nodered.org/latest.md?page=715)