# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=73

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

**Page:** 74

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## [Want only one mail a day](https://discourse.nodered.org/t/want-only-one-mail-a-day/92956)

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**Author:** [@Olaa](https://discourse.nodered.org/u/Olaa)\
**Replies:** 5\
**Last updated:** [9 November 2024 08:24 UTC](https://discourse.nodered.org/t/want-only-one-mail-a-day/92956 "2024-11-09T08:24:39Z")

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I have my mousetrap and the status goes to my Mqtt. I got a mail when activated but it repeats continues. I want that mail ones a day only. How can I solve this. I'm bad in programming.

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## [HTTP --\> XLSX --\> Dashboard](https://discourse.nodered.org/t/http-xlsx-dashboard/92884)

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**Author:** [@Tomtom](https://discourse.nodered.org/u/Tomtom)\
**Replies:** 14\
**Last updated:** [9 November 2024 07:23 UTC](https://discourse.nodered.org/t/http-xlsx-dashboard/92884 "2024-11-09T07:23:11Z")

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Hi everyone, I need to download and parse information that would then be used for dashboarding reasons. All is good from dashboarding point of view; it is up qnd running and well set-up. From an HTTP node, I am able t…

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## [What's the best way to send an MQTT command to all subscribed topics?](https://discourse.nodered.org/t/whats-the-best-way-to-send-an-mqtt-command-to-all-subscribed-topics/92999)

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**Author:** [@reverendalc](https://discourse.nodered.org/u/reverendalc)\
**Replies:** 4\
**Last updated:** [9 November 2024 00:25 UTC](https://discourse.nodered.org/t/whats-the-best-way-to-send-an-mqtt-command-to-all-subscribed-topics/92999 "2024-11-09T00:25:19Z")

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I may be daydreaming here, but I'm wondering if there's a way to dynamically send a command RESTART 1 to either all topics, or all sub-topics within a topic. background info: I have dozens of tasmota devices around my …

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## [Help with HTTP monitor in existing flow?](https://discourse.nodered.org/t/help-with-http-monitor-in-existing-flow/92938)

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**Author:** [@deanfourie1](https://discourse.nodered.org/u/deanfourie1)\
**Replies:** 16\
**Last updated:** [8 November 2024 22:51 UTC](https://discourse.nodered.org/t/help-with-http-monitor-in-existing-flow/92938 "2024-11-08T22:51:03Z")

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Hi there, I need some help monitoring a web page using a HTTP monitor. I simply want to know when the HTTP server is no longer accessible. My current flow is attached below (too big to paste). Thanks \[ { …

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## [Nodered : Webex : Can't read from server. It may not have the appropriate access-control-origin settings](https://discourse.nodered.org/t/nodered-webex-cant-read-from-server-it-may-not-have-the-appropriate-access-control-origin-settings/92858)

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**Author:** [@Neutrino2019](https://discourse.nodered.org/u/Neutrino2019)\
**Replies:** 2\
**Last updated:** [8 November 2024 21:21 UTC](https://discourse.nodered.org/t/nodered-webex-cant-read-from-server-it-may-not-have-the-appropriate-access-control-origin-settings/92858 "2024-11-08T21:21:49Z")

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Hi, there is a bug i got when using the library "node-red-contrib-spark". Precisely the "api" node from Webex. When i use it and compile the program, the server stops and try to restart on loop. But each time it throw th…

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## [Weird scrambled output of exec node using bacnet readprop command](https://discourse.nodered.org/t/weird-scrambled-output-of-exec-node-using-bacnet-readprop-command/92994)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 5\
**Last updated:** [8 November 2024 18:21 UTC](https://discourse.nodered.org/t/weird-scrambled-output-of-exec-node-using-bacnet-readprop-command/92994 "2024-11-08T18:21:01Z")

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Have experienced problems with all available bacnet nodes for node red. So to try something else, bacnet stack was included in the docker container and is available through exec node. For example can run this command: r…

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## [Split JSON Object Array](https://discourse.nodered.org/t/split-json-object-array/92865)

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**Author:** [@mobamoba](https://discourse.nodered.org/u/mobamoba)\
**Replies:** 34\
**Last updated:** [8 November 2024 13:36 UTC](https://discourse.nodered.org/t/split-json-object-array/92865 "2024-11-08T13:36:14Z")

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The following is part of an output from a weather API and I'm trying to figure out how to split it. payload.timelines.minutely\[0\].values.temperature The \[0\] is just one of the array - it goes from \[0\] to \[60\] and I'm s…

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## [SUCHE HILFE bei Victron und Shelly mit Node Red](https://discourse.nodered.org/t/suche-hilfe-bei-victron-und-shelly-mit-node-red/92829)

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**Author:** [@rolf1](https://discourse.nodered.org/u/rolf1)\
**Replies:** 5\
**Last updated:** [7 November 2024 23:07 UTC](https://discourse.nodered.org/t/suche-hilfe-bei-victron-und-shelly-mit-node-red/92829 "2024-11-07T23:07:10Z")

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Hallo Experten…. Ich bin totaler Node Red Anfänger….. Ich betreibe ein Victron ESS System (Multiplus 2, Cerbo GX, Pylontech Batteriespeicher) mit Überschusseinspeisung. Momentan lade ich meinen Brauchwasserspeicher be…

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## [When using socket CAN node red event loop is blocking](https://discourse.nodered.org/t/when-using-socket-can-node-red-event-loop-is-blocking/92972)

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**Author:** [@pbhanu368](https://discourse.nodered.org/u/pbhanu368)\
**Replies:** 8\
**Last updated:** [7 November 2024 18:46 UTC](https://discourse.nodered.org/t/when-using-socket-can-node-red-event-loop-is-blocking/92972 "2024-11-07T18:46:30Z")

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flows (60).json (104.4 KB) Im sending 12 broadcast requests from socket can for every 250ms, parallely 6 devices will repond with 36 responses

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## [Node red Event loop blocking when modbus timedout](https://discourse.nodered.org/t/node-red-event-loop-blocking-when-modbus-timedout/92968)

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**Author:** [@pbhanu368](https://discourse.nodered.org/u/pbhanu368)\
**Replies:** 4\
**Last updated:** [7 November 2024 15:02 UTC](https://discourse.nodered.org/t/node-red-event-loop-blocking-when-modbus-timedout/92968 "2024-11-07T15:02:02Z")

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Whenever the modbus timedout while reading registers, my node red event loop is blocking for a specific time, how to resolve this ?

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## [Http request error handling, timeouts, retries, dashboard notifications](https://discourse.nodered.org/t/http-request-error-handling-timeouts-retries-dashboard-notifications/92948)

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**Author:** [@sonificator](https://discourse.nodered.org/u/sonificator)\
**Replies:** 1\
**Last updated:** [7 November 2024 14:10 UTC](https://discourse.nodered.org/t/http-request-error-handling-timeouts-retries-dashboard-notifications/92948 "2024-11-07T14:10:10Z")

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Hi. My configuration includes several http request API calls that send data to the dashboard. These requests occasionally fail (timeouts, empty payloads, etc) and I haven't found an approach to be able to manage this …

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## [Client Side Environment variable access](https://discourse.nodered.org/t/client-side-environment-variable-access/92942)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 1\
**Last updated:** [7 November 2024 08:16 UTC](https://discourse.nodered.org/t/client-side-environment-variable-access/92942 "2024-11-07T08:16:49Z")

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Good day all, I need to be able to set a client side environment variable and access it, when the client is active.... ie client pc opens dashboard, a local (to the client) environment variable is set up by a prompt of…

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## [Node-red cannot start after killing its process](https://discourse.nodered.org/t/node-red-cannot-start-after-killing-its-process/92955)

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**Author:** [@TH19](https://discourse.nodered.org/u/TH19)\
**Replies:** 1\
**Last updated:** [7 November 2024 08:13 UTC](https://discourse.nodered.org/t/node-red-cannot-start-after-killing-its-process/92955 "2024-11-07T08:13:32Z")

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Hi, Node-red GUI was pretty slow. I've stopped it but its process was still alive then I killed its own process. After that I cannot start it again with error log below nodered.service: Main process exited, code=exited…

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## [OPCUA unable to execute addFolder opcuAcommand](https://discourse.nodered.org/t/opcua-unable-to-execute-addfolder-opcuacommand/92918)

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**Author:** [@Meloman](https://discourse.nodered.org/u/Meloman)\
**Replies:** 14\
**Last updated:** [7 November 2024 06:53 UTC](https://discourse.nodered.org/t/opcua-unable-to-execute-addfolder-opcuacommand/92918 "2024-11-07T06:53:00Z")

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Hi, I use some nodes to create an OPC-UA Server which reflect all live data of the machine. It works fine on some computers but today, same code on a new Windows 11 Pro computer doesn't work anymore. Here is executed c…

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## [Byte hickups within a super, super, super basic flow](https://discourse.nodered.org/t/byte-hickups-within-a-super-super-super-basic-flow/92908)

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**Author:** [@mhoppe](https://discourse.nodered.org/u/mhoppe)\
**Replies:** 4\
**Last updated:** [6 November 2024 10:32 UTC](https://discourse.nodered.org/t/byte-hickups-within-a-super-super-super-basic-flow/92908 "2024-11-06T10:32:29Z")

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Hello nice people! Thank you for reading. I have a very basic flow: TCP request: sends a request to a TCP In, that attaches a buffer (file) to msg.payload and replies with TCP Reply to send the file to the requester. …

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## [Splunk-http-event-collector has no custom label](https://discourse.nodered.org/t/splunk-http-event-collector-has-no-custom-label/92933)

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**Author:** [@Icy](https://discourse.nodered.org/u/Icy)\
**Replies:** 2\
**Last updated:** [6 November 2024 09:19 UTC](https://discourse.nodered.org/t/splunk-http-event-collector-has-no-custom-label/92933 "2024-11-06T09:19:41Z")

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This node is a http-event collector node. node-red-contrib-http-event-collector (node) - Node-RED Unlike most other nodes, we can't create a custom label, which is annoying when you have multiple saved configurations, …

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## [USB RFID reader](https://discourse.nodered.org/t/usb-rfid-reader/92927)

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**Author:** [@Buzzylogic](https://discourse.nodered.org/u/Buzzylogic)\
**Replies:** 2\
**Last updated:** [5 November 2024 20:30 UTC](https://discourse.nodered.org/t/usb-rfid-reader/92927 "2024-11-05T20:30:28Z")

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I bought a reader off Amazon, it is reading with @gdziuba/node-red-usbhid, but the output appears to be gibberish even using the hex to string in the example flow. Any ideas? It outputs 22 values, the card scan value is …

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## ['Connect Socket Failed' error when trying to send a message through LTE modem (SIM A7670C) via HTTP protocol](https://discourse.nodered.org/t/connect-socket-failed-error-when-trying-to-send-a-message-through-lte-modem-sim-a7670c-via-http-protocol/92922)

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**Author:** [@sandeepvasekara](https://discourse.nodered.org/u/sandeepvasekara)\
**Replies:** 0\
**Last updated:** [5 November 2024 11:06 UTC](https://discourse.nodered.org/t/connect-socket-failed-error-when-trying-to-send-a-message-through-lte-modem-sim-a7670c-via-http-protocol/92922 "2024-11-05T11:06:37Z")

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I am trying to send a message using my lte modem (SIM A7670c) to cloud. I am interested in making use of the http protocol for achieving the same. I also set up a node red flow as shown below. I tried sending http reques…

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## [How to locate nodes using a given configuration?](https://discourse.nodered.org/t/how-to-locate-nodes-using-a-given-configuration/92887)

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**Author:** [@fnx2k](https://discourse.nodered.org/u/fnx2k)\
**Replies:** 3\
**Last updated:** [5 November 2024 09:32 UTC](https://discourse.nodered.org/t/how-to-locate-nodes-using-a-given-configuration/92887 "2024-11-05T09:32:21Z")

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Hello, Reviewing my configuration, I am trying to find the nodes using a given configuration. Double-clicking on this box, the opening window shows that 2 nodes are using this configuration. How can I locate them ? …

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## [Error while insert data into InfluxDB2 database without any change in flow](https://discourse.nodered.org/t/error-while-insert-data-into-influxdb2-database-without-any-change-in-flow/92903)

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**Author:** [@twohlgemuth](https://discourse.nodered.org/u/twohlgemuth)\
**Replies:** 15\
**Last updated:** [5 November 2024 09:17 UTC](https://discourse.nodered.org/t/error-while-insert-data-into-influxdb2-database-without-any-change-in-flow/92903 "2024-11-05T09:17:42Z")

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Hello I started with smarthome automation a few weeks ago. That's why I'm still more of a newbie in almost all respects. First, I used a Tasmota sensor to transfer the data from my electricity meter via the Mosquitto …

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## [Dashboard2 close notification](https://discourse.nodered.org/t/dashboard2-close-notification/92873)

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**Author:** [@GIGS1975](https://discourse.nodered.org/u/GIGS1975)\
**Replies:** 15\
**Last updated:** [5 November 2024 08:15 UTC](https://discourse.nodered.org/t/dashboard2-close-notification/92873 "2024-11-05T08:15:10Z")

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Hello there, Anyone any clue, how to close a notification in Dashboard2? In the msg.update\_ui there is only one command that sounds close to the taskm but it doesnt work. It is the "show" property that i tried to set …

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## [Request for feedback: Flow Library Categories](https://discourse.nodered.org/t/request-for-feedback-flow-library-categories/92660)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 52\
**Last updated:** [5 November 2024 07:56 UTC](https://discourse.nodered.org/t/request-for-feedback-flow-library-categories/92660 "2024-11-05T07:56:08Z")

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With over 5000 nodes listed in the library, a common piece of feedback we get is the challenge of finding the right node for a given task. One of the steps we're taking to tackle this is to introduce the ability to brow…

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## [Http in node "bug" when multiple nodes have the same url](https://discourse.nodered.org/t/http-in-node-bug-when-multiple-nodes-have-the-same-url/92898)

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**Author:** [@Morten](https://discourse.nodered.org/u/Morten)\
**Replies:** 5\
**Last updated:** [5 November 2024 07:25 UTC](https://discourse.nodered.org/t/http-in-node-bug-when-multiple-nodes-have-the-same-url/92898 "2024-11-05T07:25:39Z")

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If you have a Http in node with a defined URL, you then copy said node, and deploy. Now two nodes have the same URL and only the last one will work. So if you do the above, and then change the URL on the second node, t…

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## [How to pickup an error in a function](https://discourse.nodered.org/t/how-to-pickup-an-error-in-a-function/92899)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 6\
**Last updated:** [4 November 2024 22:19 UTC](https://discourse.nodered.org/t/how-to-pickup-an-error-in-a-function/92899 "2024-11-04T22:19:22Z")

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Hello I have a function that communicates to a devices IP address. If the device isn't on the network, the debug window shows this: function : (error) request to IP\_ADDR failed, reason: connect EHOSTUNREACH IP\_ADDR H…

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## [Buttons on inject and debug node not active](https://discourse.nodered.org/t/buttons-on-inject-and-debug-node-not-active/92083)

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**Author:** [@home3131](https://discourse.nodered.org/u/home3131)\
**Replies:** 11\
**Last updated:** [4 November 2024 21:25 UTC](https://discourse.nodered.org/t/buttons-on-inject-and-debug-node-not-active/92083 "2024-11-04T21:25:36Z")

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Hi all I just updated to the latest NR version in Home Assistant. The buttons to trigger the inject node and to activate a debug node are not active ( light grey) so no way to inject an invent or activate a debug ????

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## [Reverse proxy with Caddy webserver](https://discourse.nodered.org/t/reverse-proxy-with-caddy-webserver/92905)

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**Author:** [@crvowner11](https://discourse.nodered.org/u/crvowner11)\
**Replies:** 1\
**Last updated:** [4 November 2024 16:57 UTC](https://discourse.nodered.org/t/reverse-proxy-with-caddy-webserver/92905 "2024-11-04T16:57:08Z")

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Does anyone have specific instructions on how to reverse proxy node-red and node-red dashboard using Caddy v2 webserver? I have node-red installed installed in Home Assistant. I've been over on the Caddy forum and haven'…

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## [Troubleshooting Node-RED Message Communication Between Instances Using node-red-contrib-redlink](https://discourse.nodered.org/t/troubleshooting-node-red-message-communication-between-instances-using-node-red-contrib-redlink/92901)

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**Author:** [@Subavarsha](https://discourse.nodered.org/u/Subavarsha)\
**Replies:** 1\
**Last updated:** [4 November 2024 16:36 UTC](https://discourse.nodered.org/t/troubleshooting-node-red-message-communication-between-instances-using-node-red-contrib-redlink/92901 "2024-11-04T16:36:23Z")

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Hi I used the node-red-contrib-redlink module to send and receive messages across instances in Node-RED. I am running two instances of Node-RED: one on port 3000 and the other on port 4000. On the instance running on …

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## [Issue with cron-plus](https://discourse.nodered.org/t/issue-with-cron-plus/92883)

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**Author:** [@xytsrm](https://discourse.nodered.org/u/xytsrm)\
**Replies:** 7\
**Last updated:** [4 November 2024 12:55 UTC](https://discourse.nodered.org/t/issue-with-cron-plus/92883 "2024-11-04T12:55:47Z")

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Something happened with cron-plus after the seasonal time change; although it never happened after previous time changes. Normally my next schedule should be the Golden-Sunset (hour before sunset) pending. However, it's …

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## [LINK call broken?](https://discourse.nodered.org/t/link-call-broken/92897)

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**Author:** [@GIGS1975](https://discourse.nodered.org/u/GIGS1975)\
**Replies:** 6\
**Last updated:** [4 November 2024 11:13 UTC](https://discourse.nodered.org/t/link-call-broken/92897 "2024-11-04T11:13:10Z")

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Hello I set up my flow using link call node, but it doesnt work, and i am constantly getting error msg. Here is my setup. Where is the problem? UPDATE: I think the problem will be with the function..but i dont k…

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## [Problem with Change node and Jsonata](https://discourse.nodered.org/t/problem-with-change-node-and-jsonata/92885)

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**Author:** [@gdiana](https://discourse.nodered.org/u/gdiana)\
**Replies:** 7\
**Last updated:** [4 November 2024 10:05 UTC](https://discourse.nodered.org/t/problem-with-change-node-and-jsonata/92885 "2024-11-04T10:05:27Z")

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I recently upgraded to NR ver 4 latest version the other day. I note the Jsonata node is throwing errors and that is is under revision. So I tried the change mode. I use one injection node to inject already jsonata refo…

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