# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=9

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

**Page:** 10

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## ["Issue" in RED.util.cloneMessage?](https://discourse.nodered.org/t/issue-in-red-util-clonemessage/100722)

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**Author:** [@ralphwetzel](https://discourse.nodered.org/u/ralphwetzel)\
**Replies:** 2\
**Last updated:** [6 April 2026 19:24 UTC](https://discourse.nodered.org/t/issue-in-red-util-clonemessage/100722 "2026-04-06T19:24:13Z")

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I have the (strong) impression there's an "issue" in RED.util.cloneMessage. I've intentionally put those brackets around the word issue as most users won't get in touch with it ever, yet ... Observation: RED.util.clone…

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## [Raspberry pi5 lost all web access after installing whatsapp link. Interested in comments](https://discourse.nodered.org/t/raspberry-pi5-lost-all-web-access-after-installing-whatsapp-link-interested-in-comments/100721)

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**Author:** [@Beez803](https://discourse.nodered.org/u/Beez803)\
**Replies:** 4\
**Last updated:** [6 April 2026 16:47 UTC](https://discourse.nodered.org/t/raspberry-pi5-lost-all-web-access-after-installing-whatsapp-link-interested-in-comments/100721 "2026-04-06T16:47:24Z")

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I installed Whatsapp link on Node-red V4.0.8. Opened the admin node and it permanently crashed node-red. I could see that Mqtt was running but could not see any web pages. stopping and starting node-red gave the followin…

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## [Nodered Email Node](https://discourse.nodered.org/t/nodered-email-node/100714)

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**Author:** [@gegge](https://discourse.nodered.org/u/gegge)\
**Replies:** 2\
**Last updated:** [4 April 2026 14:03 UTC](https://discourse.nodered.org/t/nodered-email-node/100714 "2026-04-04T14:03:42Z")

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Hello I'm trying to set up the email node, but I'm having trouble. I created and entered the 16-digit Gmail token. But it still says "Sending failed!" Thanks

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## [DuloNode disadvantages and limitations](https://discourse.nodered.org/t/dulonode-disadvantages-and-limitations/100707)

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**Author:** [@eiche](https://discourse.nodered.org/u/eiche)\
**Replies:** 5\
**Last updated:** [3 April 2026 19:02 UTC](https://discourse.nodered.org/t/dulonode-disadvantages-and-limitations/100707 "2026-04-03T19:02:51Z")

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Hello. I prefer to write in German because my English skills are rather limited, and I hope that translation services will suffice. If that doesn't work, I'll try writing in English. ... Ich experimentiere mit DuloNode …

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## [Send email or other method](https://discourse.nodered.org/t/send-email-or-other-method/100675)

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**Author:** [@usernamepasswordBS](https://discourse.nodered.org/u/usernamepasswordBS)\
**Replies:** 10\
**Last updated:** [2 April 2026 20:43 UTC](https://discourse.nodered.org/t/send-email-or-other-method/100675 "2026-04-02T20:43:44Z")

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Hi All, Been trying to send a couple of bits of data, once a day, to someone who lives in my house for them to create a spreadsheet. Tried the email node with my hotmail account but no joy and I have since read a bit ab…

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## [Aggregation Error](https://discourse.nodered.org/t/aggregation-error/100705)

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**Author:** [@haegar33](https://discourse.nodered.org/u/haegar33)\
**Replies:** 6\
**Last updated:** [2 April 2026 13:54 UTC](https://discourse.nodered.org/t/aggregation-error/100705 "2026-04-02T13:54:45Z")

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I got some strange behaviour and even short stalls of NR with a new MQTT Stream implemented for processing real time data from my car. However before going into details about that I wonder whether the following reoccurr…

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## [Axios compromised, does this affect nodered?](https://discourse.nodered.org/t/axios-compromised-does-this-affect-nodered/100698)

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**Author:** [@HybridZach](https://discourse.nodered.org/u/HybridZach)\
**Replies:** 17\
**Last updated:** [1 April 2026 15:09 UTC](https://discourse.nodered.org/t/axios-compromised-does-this-affect-nodered/100698 "2026-04-01T15:09:24Z")

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Hello, not sure if this would be the appropriate place to ask this question. I just found out about a hack that happened regarding npm/axios. Since I don't use npm all that much I figured I'd be fine, but then I remember…

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## [Automating printer test pages or health checks with Node-RED?](https://discourse.nodered.org/t/automating-printer-test-pages-or-health-checks-with-node-red/100688)

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**Author:** [@Finn\_Jenyns](https://discourse.nodered.org/u/Finn_Jenyns)\
**Replies:** 4\
**Last updated:** [31 March 2026 16:25 UTC](https://discourse.nodered.org/t/automating-printer-test-pages-or-health-checks-with-node-red/100688 "2026-03-31T16:25:10Z")

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Hi everyone, I’ve been experimenting with automating small office tasks using Node-RED, and I was wondering if anyone has tried integrating printers into their workflows for basic health checks. For example, in environ…

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## [Need help rebuilding home automation raspberry pi](https://discourse.nodered.org/t/need-help-rebuilding-home-automation-raspberry-pi/100517)

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**Author:** [@merkelck](https://discourse.nodered.org/u/merkelck)\
**Replies:** 146\
**Last updated:** [31 March 2026 12:25 UTC](https://discourse.nodered.org/t/need-help-rebuilding-home-automation-raspberry-pi/100517 "2026-03-31T12:25:24Z")

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Rebuilding my Home Automation RPi3B+ with latest version of RPi, NodeRed and MQTT. I had exported the FLOW from the old system. After installing the new software versions and trying to import the FLOW I realized there is…

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## [Help Required with @ivanva/node-red-contrib-google-drive](https://discourse.nodered.org/t/help-required-with-ivanva-node-red-contrib-google-drive/100687)

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**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 2\
**Last updated:** [30 March 2026 23:26 UTC](https://discourse.nodered.org/t/help-required-with-ivanva-node-red-contrib-google-drive/100687 "2026-03-30T23:26:14Z")

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Many moons ago someone kindly submitted a short flow to zip a Node-RED instance and save it to Dropbox. This still works and I still use it. So, I thought that I would try and do the same for Google. The best contrib nod…

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## [How do you handle disappearing messages? Or do you? Dead letter queue](https://discourse.nodered.org/t/how-do-you-handle-disappearing-messages-or-do-you-dead-letter-queue/100686)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 3\
**Last updated:** [30 March 2026 15:23 UTC](https://discourse.nodered.org/t/how-do-you-handle-disappearing-messages-or-do-you-dead-letter-queue/100686 "2026-03-30T15:23:23Z")

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Found an interesting article: And turns out this is exactly the problem I faced in so many I/O places (read/write, doesn't matter where from or to, http, mqtt, modbus, mbus, bacnet ++). It describes it elegantly and di…

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## [How to start Raspberry Pi dashboard in full screen at boot?](https://discourse.nodered.org/t/how-to-start-raspberry-pi-dashboard-in-full-screen-at-boot/100685)

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**Author:** [@karlgotbread](https://discourse.nodered.org/u/karlgotbread)\
**Replies:** 8\
**Last updated:** [30 March 2026 11:36 UTC](https://discourse.nodered.org/t/how-to-start-raspberry-pi-dashboard-in-full-screen-at-boot/100685 "2026-03-30T11:36:25Z")

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Hello everyone, I would like my dashboard 2 to open automatically in full screen when my Raspberry Pi starts. It is running on Debian, and I’m looking for a reliable way to launch the dashboard directly in full screen …

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## [Auto start Node-RED on Raspberry Pi at boot](https://discourse.nodered.org/t/auto-start-node-red-on-raspberry-pi-at-boot/100684)

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**Author:** [@karlgotbread](https://discourse.nodered.org/u/karlgotbread)\
**Replies:** 2\
**Last updated:** [30 March 2026 07:41 UTC](https://discourse.nodered.org/t/auto-start-node-red-on-raspberry-pi-at-boot/100684 "2026-03-30T07:41:10Z")

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Hello everyone, I’m looking for the most reliable and efficient way to automatically start Node-RED when my Raspberry Pi boots. Currently, I have to run node-red-start manually after each restart, and I would like to a…

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## [Node-RED + Modbus RTU over wireless RS-485 bridge – timeout and LoRa duty cycle experience](https://discourse.nodered.org/t/node-red-modbus-rtu-over-wireless-rs-485-bridge-timeout-and-lora-duty-cycle-experience/100586)

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**Author:** [@DafaLin\_NodeRED](https://discourse.nodered.org/u/DafaLin_NodeRED)\
**Replies:** 1\
**Last updated:** [29 March 2026 20:09 UTC](https://discourse.nodered.org/t/node-red-modbus-rtu-over-wireless-rs-485-bridge-timeout-and-lora-duty-cycle-experience/100586 "2026-03-29T20:09:17Z")

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Hi everyone, I've been using Node-RED to poll Modbus RTU devices over a wireless RS-485 transparent bridge setup. Sharing some notes in case it helps others doing similar industrial IoT work. Setup: Node-RED running …

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## [Chart data history consolidation](https://discourse.nodered.org/t/chart-data-history-consolidation/100681)

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**Author:** [@MyRandomThoughts](https://discourse.nodered.org/u/MyRandomThoughts)\
**Replies:** 1\
**Last updated:** [29 March 2026 17:14 UTC](https://discourse.nodered.org/t/chart-data-history-consolidation/100681 "2026-03-29T17:14:17Z")

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I have a device outputs a single value that gets logged every 5 minutes. I don't want to store that massive amount of data over a year so want to average it out over different time periods. Something like once I have o…

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## [Help switching bytes from buffer](https://discourse.nodered.org/t/help-switching-bytes-from-buffer/100672)

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**Author:** [@omega\_elite](https://discourse.nodered.org/u/omega_elite)\
**Replies:** 4\
**Last updated:** [28 March 2026 21:37 UTC](https://discourse.nodered.org/t/help-switching-bytes-from-buffer/100672 "2026-03-28T21:37:24Z")

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Hi I am looking for help to switch the 7 bytes in this buffer out of a switch node \[ { "id": "0873afcd15cbc239", "type": "tab", "label": "Flow 1", "disabled": false, "info"…

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## [Help with concept for \`ON/OFF\` control scenarios](https://discourse.nodered.org/t/help-with-concept-for-on-off-control-scenarios/100671)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [28 March 2026 21:29 UTC](https://discourse.nodered.org/t/help-with-concept-for-on-off-control-scenarios/100671 "2026-03-28T21:29:30Z")

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(Originally I said gate, but to be more generic I changed it to ON/OFF.) To get things to work we need an ON/OFF control of things at some level. At the GUI level this done with buttons or if you want to get fancy the…

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## [Face recognition](https://discourse.nodered.org/t/face-recognition/100677)

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**Author:** [@sulaiman](https://discourse.nodered.org/u/sulaiman)\
**Replies:** 1\
**Last updated:** [28 March 2026 19:06 UTC](https://discourse.nodered.org/t/face-recognition/100677 "2026-03-28T19:06:48Z")

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hello can you help me to install (node-red-contrib-facial-recognition) node ?? i tried to install this node but it is failed to install

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## [Visual Studio Code defaul theme](https://discourse.nodered.org/t/visual-studio-code-defaul-theme/100652)

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**Author:** [@softy2k](https://discourse.nodered.org/u/softy2k)\
**Replies:** 9\
**Last updated:** [28 March 2026 13:51 UTC](https://discourse.nodered.org/t/visual-studio-code-defaul-theme/100652 "2026-03-28T13:51:39Z")

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The new version of Visual Studio Code (1.113.0) has changed the default theme (the code looks different, especially the colors). If you want to go back to the previous default theme, from the list of themes choose Dark …

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## [Limited choice for status colors](https://discourse.nodered.org/t/limited-choice-for-status-colors/100626)

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**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 19\
**Last updated:** [27 March 2026 22:07 UTC](https://discourse.nodered.org/t/limited-choice-for-status-colors/100626 "2026-03-27T22:07:49Z")

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Hi! The documentation says: The fill property can be: red, green, yellow, blue or grey Is there a deeper reason why status colors are limited to these? CSS names would be nice. Cheers, Uwe

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## [node-red-contrib-opcua – Value and timestamp do not update after write](https://discourse.nodered.org/t/node-red-contrib-opcua-value-and-timestamp-do-not-update-after-write/100492)

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**Author:** [@Muntliger](https://discourse.nodered.org/u/Muntliger)\
**Replies:** 4\
**Last updated:** [27 March 2026 19:21 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-value-and-timestamp-do-not-update-after-write/100492 "2026-03-27T19:21:27Z")

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Hi, I am using node-red-contrib-opcua and following the example flow from here: The server starts correctly and I can connect with UaExpert without any problems. Browsing works and I can see the variables. However, w…

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## [Reading Arrays from Allen Bradley](https://discourse.nodered.org/t/reading-arrays-from-allen-bradley/100669)

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**Author:** [@machuj](https://discourse.nodered.org/u/machuj)\
**Replies:** 0\
**Last updated:** [27 March 2026 13:46 UTC](https://discourse.nodered.org/t/reading-arrays-from-allen-bradley/100669 "2026-03-27T13:46:35Z")

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Hello, I am importing variables into Node-RED from an Allen-Bradley PLC using the node-red-contrib-cip-ethernet-ip node. I am trying to import a BOOL array, but it seems to be limited to a capacity of 32 bits. I am rece…

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## [Timeout Error in Node-red-contrib-cip-ethernet-ip accessing Compact Logix Allen-Bradley PLC](https://discourse.nodered.org/t/timeout-error-in-node-red-contrib-cip-ethernet-ip-accessing-compact-logix-allen-bradley-plc/100342)

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**Author:** [@bobfield](https://discourse.nodered.org/u/bobfield)\
**Replies:** 1\
**Last updated:** [27 March 2026 13:27 UTC](https://discourse.nodered.org/t/timeout-error-in-node-red-contrib-cip-ethernet-ip-accessing-compact-logix-allen-bradley-plc/100342 "2026-03-27T13:27:27Z")

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Hi Dears, I'm using Node-red-contrib-cip-ethernet-ip reading tags from a Compact Logix AB PLC, with the All Tags option. The tags are read correctly, however always with the message "Error communicating with the PLC: Er…

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## [Help with HA Action recorder.get\_statistics](https://discourse.nodered.org/t/help-with-ha-action-recorder-get-statistics/100658)

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**Author:** [@Linhey](https://discourse.nodered.org/u/Linhey)\
**Replies:** 5\
**Last updated:** [27 March 2026 10:54 UTC](https://discourse.nodered.org/t/help-with-ha-action-recorder-get-statistics/100658 "2026-03-27T10:54:10Z")

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I am trying to get use the HA Call Action Node but I cannot work out how to compile the data, I can get a dynamic start and end date using a function, but how to get the data is a mystery to me, this where I am with thi…

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## [Trying to get my Weigand controller to pass the RIFD/Tag code to Node Red](https://discourse.nodered.org/t/trying-to-get-my-weigand-controller-to-pass-the-rifd-tag-code-to-node-red/100661)

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**Author:** [@dastrix](https://discourse.nodered.org/u/dastrix)\
**Replies:** 1\
**Last updated:** [27 March 2026 08:35 UTC](https://discourse.nodered.org/t/trying-to-get-my-weigand-controller-to-pass-the-rifd-tag-code-to-node-red/100661 "2026-03-27T08:35:35Z")

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Hi Guys, Ive got the following config but I cannot get the listener node to go green so when I swipe on my door access controller it passes the Rfid cards ID number. I found out my controller was strangly trying to send…

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## [Rpi gpio library not work with dietpi trixie](https://discourse.nodered.org/t/rpi-gpio-library-not-work-with-dietpi-trixie/100595)

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**Author:** [@devifast](https://discourse.nodered.org/u/devifast)\
**Replies:** 56\
**Last updated:** [25 March 2026 18:10 UTC](https://discourse.nodered.org/t/rpi-gpio-library-not-work-with-dietpi-trixie/100595 "2026-03-25T18:10:59Z")

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@Colin rpi gpio 2.07 library not work with dietpi trixie? In general, they don't work on Bookworm either. The old 2.06 library works on Bulleye.

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## [Hi everyone,  I’m working on a Node-RED flow where I need to read the same parameter from multiple Modbus slaves (Slave IDs 1 to 100)](https://discourse.nodered.org/t/hi-everyone-i-m-working-on-a-node-red-flow-where-i-need-to-read-the-same-parameter-from-multiple-modbus-slaves-slave-ids-1-to-100/100634)

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**Author:** [@adarshi](https://discourse.nodered.org/u/adarshi)\
**Replies:** 6\
**Last updated:** [24 March 2026 17:06 UTC](https://discourse.nodered.org/t/hi-everyone-i-m-working-on-a-node-red-flow-where-i-need-to-read-the-same-parameter-from-multiple-modbus-slaves-slave-ids-1-to-100/100634 "2026-03-24T17:06:26Z")

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Requirements: Read the same register/parameter from each slave (IDs 1 → 100) Optimize the flow for low CPU utilization Ensure efficient polling (avoid unnecessary load or blocking) Insert/store each slave’s data into an…

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## [Can gauges be targeted by msg.topic?](https://discourse.nodered.org/t/can-gauges-be-targeted-by-msg-topic/100639)

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**Author:** [@locastan](https://discourse.nodered.org/u/locastan)\
**Replies:** 4\
**Last updated:** [24 March 2026 11:18 UTC](https://discourse.nodered.org/t/can-gauges-be-targeted-by-msg-topic/100639 "2026-03-24T11:18:25Z")

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Hi, I am trying to target a specific gauge (flowfuse dashboard) out of many simply by having msg.topic match the gauge nodes defined name, but it seems to be problematic. Instead of one specific gauge, all of them chang…

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## [Date format headache](https://discourse.nodered.org/t/date-format-headache/100592)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 22\
**Last updated:** [24 March 2026 11:04 UTC](https://discourse.nodered.org/t/date-format-headache/100592 "2026-03-24T11:04:21Z")

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Debug sidebar has a very nice feature for values that look like unix timestamps, where you can click on it and immediately translate to human readable date. I should say human readable-ish, because I get horrendous forma…

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## [How to decode the base64 data from LoRaWan gateway F8926-GW?](https://discourse.nodered.org/t/how-to-decode-the-base64-data-from-lorawan-gateway-f8926-gw/100638)

<div class="topic-metadata">

**Author:** [@Champion](https://discourse.nodered.org/u/Champion)\
**Replies:** 1\
**Last updated:** [24 March 2026 08:04 UTC](https://discourse.nodered.org/t/how-to-decode-the-base64-data-from-lorawan-gateway-f8926-gw/100638 "2026-03-24T08:04:23Z")

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Hi, I am establishing a project using F8926-GW LoRaWan Gateway to transmit the data to IPC. The LoRaWan gateway is transmitting base64 data, how am I going to decode the base64 data by using Node Red?

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