# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=40

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

**Page:** 41

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## [Open source OPC UA node](https://discourse.nodered.org/t/open-source-opc-ua-node/96895)

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**Author:** [@RamaDevi](https://discourse.nodered.org/u/RamaDevi)\
**Replies:** 1\
**Last updated:** [5 May 2025 11:21 UTC](https://discourse.nodered.org/t/open-source-opc-ua-node/96895 "2025-05-05T11:21:56Z")

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Let me know open source OPC UA modules in node-red.

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## [Ordinal day of Year needed](https://discourse.nodered.org/t/ordinal-day-of-year-needed/96886)

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**Author:** [@larkingabout](https://discourse.nodered.org/u/larkingabout)\
**Replies:** 4\
**Last updated:** [4 May 2025 23:07 UTC](https://discourse.nodered.org/t/ordinal-day-of-year-needed/96886 "2025-05-04T23:07:03Z")

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Im running an older V0.19.5 Node Red instance on a PI-0-W with the Stretch version of the pi-os, I know i should have been updating, but its been running flawlessly mostly handling mqtt for basic automation. Its been d…

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## [Weird serial issues](https://discourse.nodered.org/t/weird-serial-issues/96859)

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**Author:** [@ReonMonterus](https://discourse.nodered.org/u/ReonMonterus)\
**Replies:** 1\
**Last updated:** [4 May 2025 20:56 UTC](https://discourse.nodered.org/t/weird-serial-issues/96859 "2025-05-04T20:56:57Z")

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Hello! I am pretty new to Node-RED and I am working on a project that involves a bit of serial communication between a RPi 3B and several ESP32 devices over USB. The ESP32's are connected to things like relays and when s…

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## [Uibuilder uib-element uib-cache multiple injection issue on refresh](https://discourse.nodered.org/t/uibuilder-uib-element-uib-cache-multiple-injection-issue-on-refresh/96878)

<div class="topic-metadata">

**Author:** [@stdave](https://discourse.nodered.org/u/stdave)\
**Replies:** 4\
**Last updated:** [4 May 2025 19:44 UTC](https://discourse.nodered.org/t/uibuilder-uib-element-uib-cache-multiple-injection-issue-on-refresh/96878 "2025-05-04T19:44:33Z")

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I am producing a webpage using mustache template -\> uib-element -\>uib-cache -\>uibuilder I first inject the mustache template (that contains some webpage content) with a payload set to 1. The mustache template swaps out…

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## [Question for UIBUILDER users: Offline access to the documentation?](https://discourse.nodered.org/t/question-for-uibuilder-users-offline-access-to-the-documentation/96785)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 1\
**Last updated:** [4 May 2025 19:02 UTC](https://discourse.nodered.org/t/question-for-uibuilder-users-offline-access-to-the-documentation/96785 "2025-05-04T19:02:59Z")

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Quick question for anyone interested in UIBUILDER for Node-RED. Is it useful to you to have UIBUILDER's documentation available offline? poll Currently (up to v7.2.0 at least), UIBUILDER's documentation is included as …

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## [Modify msg object](https://discourse.nodered.org/t/modify-msg-object/96778)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 13\
**Last updated:** [4 May 2025 16:48 UTC](https://discourse.nodered.org/t/modify-msg-object/96778 "2025-05-04T16:48:06Z")

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I am trying to modify the msg object. Take this msg for example. object type: "status" client: "0x4DE0E196" topic: "transmit" payload: object freq: 7.2897 lo: 100 hi: 2900 tx\_filter\_changes\_allowed: 1 \_msgid: "c543863…

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## [Include variables from external .js file](https://discourse.nodered.org/t/include-variables-from-external-js-file/96867)

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**Author:** [@stefan24](https://discourse.nodered.org/u/stefan24)\
**Replies:** 11\
**Last updated:** [4 May 2025 16:43 UTC](https://discourse.nodered.org/t/include-variables-from-external-js-file/96867 "2025-05-04T16:43:28Z")

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I have a PV logger, which creates js files with the data from the photovoltaic device. I download these files with a FTP client within Node-RED (or an external script) on a regular basis. How can I use / import / start…

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## [Unable to update any nodes from the palette](https://discourse.nodered.org/t/unable-to-update-any-nodes-from-the-palette/96875)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 14\
**Last updated:** [4 May 2025 11:46 UTC](https://discourse.nodered.org/t/unable-to-update-any-nodes-from-the-palette/96875 "2025-05-04T11:46:22Z")

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Hi all, Getting the following log when trying to update any node within the palette manger.. First thoughts are a permissions error, but I'm able to make changes to flows and they save properly in the flows.json file. …

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## [JSONata language definition](https://discourse.nodered.org/t/jsonata-language-definition/96806)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 3\
**Last updated:** [3 May 2025 17:42 UTC](https://discourse.nodered.org/t/jsonata-language-definition/96806 "2025-05-03T17:42:05Z")

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Hi There, So part of my Erlang-RED project is JSONata - probably a big part. I had a quick look around and found no Erlang library for implementing JSONata so it's kind of up to me to get something working. Now where …

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## [Help formatting an image as an email attachment using Nodemailer](https://discourse.nodered.org/t/help-formatting-an-image-as-an-email-attachment-using-nodemailer/96863)

<div class="topic-metadata">

**Author:** [@no\_mpimpi](https://discourse.nodered.org/u/no_mpimpi)\
**Replies:** 6\
**Last updated:** [3 May 2025 14:10 UTC](https://discourse.nodered.org/t/help-formatting-an-image-as-an-email-attachment-using-nodemailer/96863 "2025-05-03T14:10:24Z")

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Hello nice Node-RED people, I come to you for help. I want to send an email to notify me when Frigate detects a person. Frigate is configured to use MQTT, and the image data arrives in an MQTT message. At first I tried…

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## [Node-red-contrib-cron-plus and Save State](https://discourse.nodered.org/t/node-red-contrib-cron-plus-and-save-state/96855)

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**Author:** [@jnn](https://discourse.nodered.org/u/jnn)\
**Replies:** 5\
**Last updated:** [3 May 2025 08:51 UTC](https://discourse.nodered.org/t/node-red-contrib-cron-plus-and-save-state/96855 "2025-05-03T08:51:44Z")

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Hi, I’m using the node-red-contrib-cron-plus node (version 2.1.0 with Node-RED 4.0.9) to start a flow every day at 16:00. I also have another cron-plus node that stops the flow at 21:00 each evening. However, if the c…

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## [Why are Objects with Value of 0 Treated Differently?](https://discourse.nodered.org/t/why-are-objects-with-value-of-0-treated-differently/96856)

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**Author:** [@GasTurbineMan](https://discourse.nodered.org/u/GasTurbineMan)\
**Replies:** 4\
**Last updated:** [2 May 2025 17:30 UTC](https://discourse.nodered.org/t/why-are-objects-with-value-of-0-treated-differently/96856 "2025-05-02T17:30:05Z")

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Working with an ESP32 Cam, settings can be sent to the camera via MQTT such as cmnd/esp32cam/WcBrightness followed by one of 5 number values -2, -1, 0, 1, 2 Feedback by subscribing to stat/esp32cam/RESULT will then sho…

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## [Export SQL data to CSV file](https://discourse.nodered.org/t/export-sql-data-to-csv-file/96854)

<div class="topic-metadata">

**Author:** [@jumpier](https://discourse.nodered.org/u/jumpier)\
**Replies:** 6\
**Last updated:** [2 May 2025 15:01 UTC](https://discourse.nodered.org/t/export-sql-data-to-csv-file/96854 "2025-05-02T15:01:59Z")

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Hi to everyone, I need to export data from SQL to a CSV file; the problem I'm having is that for the "Timestamp" field containing date and time, only the date is export but not the time. Where am I going wrong? Thanks …

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## [Fix date and time display (read from SQL) on a table](https://discourse.nodered.org/t/fix-date-and-time-display-read-from-sql-on-a-table/96850)

<div class="topic-metadata">

**Author:** [@jumpier](https://discourse.nodered.org/u/jumpier)\
**Replies:** 3\
**Last updated:** [2 May 2025 11:53 UTC](https://discourse.nodered.org/t/fix-date-and-time-display-read-from-sql-on-a-table/96850 "2025-05-02T11:53:21Z")

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Good morning, I read data from SQL Server Express Edition 2019 and I need to display it in a table. Since I live in Italy, I notice a difference of two hours (less) between the DB data and the data shown on the Node-Red…

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## [Automatic restart of nodered - installed in a podman container](https://discourse.nodered.org/t/automatic-restart-of-nodered-installed-in-a-podman-container/96851)

<div class="topic-metadata">

**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 0\
**Last updated:** [2 May 2025 10:40 UTC](https://discourse.nodered.org/t/automatic-restart-of-nodered-installed-in-a-podman-container/96851 "2025-05-02T10:40:08Z")

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Hello I have made a podman run .... nodered. Tha works fine... but.. When my host is started (from boot), the container is launched, and nodered is launched. But it crashes because of an error. Normally, this error w…

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## [How to attach a chart-image into body of mail, not as an attachment](https://discourse.nodered.org/t/how-to-attach-a-chart-image-into-body-of-mail-not-as-an-attachment/96846)

<div class="topic-metadata">

**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 4\
**Last updated:** [2 May 2025 09:59 UTC](https://discourse.nodered.org/t/how-to-attach-a-chart-image-into-body-of-mail-not-as-an-attachment/96846 "2025-05-02T09:59:46Z")

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I have a working example of generating a chart, creating a chart image and sending to email as attachment. what i need is to embed the chart image in the body of the mail. how do i do that ? or how do i convert the c…

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## [Moment msg.outTz does not work](https://discourse.nodered.org/t/moment-msg-outtz-does-not-work/96844)

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**Author:** [@bigbean17](https://discourse.nodered.org/u/bigbean17)\
**Replies:** 2\
**Last updated:** [2 May 2025 08:31 UTC](https://discourse.nodered.org/t/moment-msg-outtz-does-not-work/96844 "2025-05-02T08:31:20Z")

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Hi, I'm trying to dynamically set the outTz from an input node by msg.outTz, but seems like the moment node does not pick up the outTz, seems like it still uses the default timezone (probably from browser?) Here are my…

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## [Encrypting pi, without password on boot?](https://discourse.nodered.org/t/encrypting-pi-without-password-on-boot/96798)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 7\
**Last updated:** [1 May 2025 22:56 UTC](https://discourse.nodered.org/t/encrypting-pi-without-password-on-boot/96798 "2025-05-01T22:56:21Z")

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This is not exactly node red, but the community here is also awesome on related topics. If you use node red on pi, and have multiple such raspberry pis running on different customer sites. How to encrypt? Because if you…

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## [Best Practice for Polling Fast-Updated PLC Tags in Node-RED](https://discourse.nodered.org/t/best-practice-for-polling-fast-updated-plc-tags-in-node-red/96843)

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**Author:** [@dNode12](https://discourse.nodered.org/u/dNode12)\
**Replies:** 1\
**Last updated:** [1 May 2025 21:44 UTC](https://discourse.nodered.org/t/best-practice-for-polling-fast-updated-plc-tags-in-node-red/96843 "2025-05-01T21:44:17Z")

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Hi all, I’m fairly new to Node-RED and have been exploring its use in an industrial setting. So far, I really like how it works, but I’ve hit a snag and could use some advice from the community. I’m trying to build an …

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## [Curl to HTTP Request, msg.rejectUnauthorized](https://discourse.nodered.org/t/curl-to-http-request-msg-rejectunauthorized/96828)

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**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\
**Replies:** 5\
**Last updated:** [30 April 2025 15:38 UTC](https://discourse.nodered.org/t/curl-to-http-request-msg-rejectunauthorized/96828 "2025-04-30T15:38:55Z")

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Hi, I am having a problem converting a Curl command to an HTTP Request on a Teltonika Router. Hoping there is enough information here! The Curl command is:- curl -X POST "https://\<ROUTERIP\>/api/login" -H "Content-Typ…

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## [Nodered modbus and Click PLC](https://discourse.nodered.org/t/nodered-modbus-and-click-plc/96824)

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**Author:** [@yawstick1](https://discourse.nodered.org/u/yawstick1)\
**Replies:** 2\
**Last updated:** [30 April 2025 13:02 UTC](https://discourse.nodered.org/t/nodered-modbus-and-click-plc/96824 "2025-04-30T13:02:56Z")

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Curious if anyone has attempted to use raspberry pi running nodered with node-red-contrib-modbus to communicate with clickplus PLC which supposedly supports modbus

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## [Rpi-dht22 node RasPi 5 Bookworm "TypeError: failed to initialize"](https://discourse.nodered.org/t/rpi-dht22-node-raspi-5-bookworm-typeerror-failed-to-initialize/96825)

<div class="topic-metadata">

**Author:** [@leeg77](https://discourse.nodered.org/u/leeg77)\
**Replies:** 6\
**Last updated:** [30 April 2025 13:23 UTC](https://discourse.nodered.org/t/rpi-dht22-node-raspi-5-bookworm-typeerror-failed-to-initialize/96825 "2025-04-30T13:23:18Z")

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Hi, I am trying to set up a DHT22 on my Raspberry Pi 5 which is running Bookworm. When I run the flow I get the following error "TypeError: failed to initialize" I previously had the node working on a Rasberry Pi 4b but…

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## [Flowcode - yet another flow editor](https://discourse.nodered.org/t/flowcode-yet-another-flow-editor/96816)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 6\
**Last updated:** [30 April 2025 12:50 UTC](https://discourse.nodered.org/t/flowcode-yet-another-flow-editor/96816 "2025-04-30T12:50:05Z")

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Hi There, To continue on from noisecraft, another flow editor: Flowcode - appeared yesterday at HN - a long discussion of visual v. textual programming for those interested.

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## [OSC Integer Support / NodeRed Integer](https://discourse.nodered.org/t/osc-integer-support-nodered-integer/96810)

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**Author:** [@borrisschwarz](https://discourse.nodered.org/u/borrisschwarz)\
**Replies:** 14\
**Last updated:** [30 April 2025 10:17 UTC](https://discourse.nodered.org/t/osc-integer-support-nodered-integer/96810 "2025-04-30T10:17:17Z")

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I am new to NodeRED and highly very, very exited about all the possibilities! So here is my problem: I want to use nodeRED to convert Ember+ messages coming from LawoVSM to OSC messages to remote a yamaha DM7, but I fa…

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## [Node-Red and Google Photos](https://discourse.nodered.org/t/node-red-and-google-photos/96783)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 6\
**Last updated:** [29 April 2025 20:03 UTC](https://discourse.nodered.org/t/node-red-and-google-photos/96783 "2025-04-29T20:03:02Z")

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I stopped backing up my photos to Google Photos, since I don't really see a use of it. I mean keyword search is cool, but I use it maybe a few times a year. The only real use if showing my recent photos on a Nest Hub di…

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## [Suggestions for Turning Strings to specific XML or ZPL Code](https://discourse.nodered.org/t/suggestions-for-turning-strings-to-specific-xml-or-zpl-code/96795)

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**Author:** [@DaVizzey](https://discourse.nodered.org/u/DaVizzey)\
**Replies:** 5\
**Last updated:** [29 April 2025 12:36 UTC](https://discourse.nodered.org/t/suggestions-for-turning-strings-to-specific-xml-or-zpl-code/96795 "2025-04-29T12:36:16Z")

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Hi There! I've gotten a task to send information to a label printer that a customer has purchased for a project, The issue is it can only handle two languaged, XML and ZPL. I am not at all familiar with those and i am …

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## [Node-RED docker container. memory spike](https://discourse.nodered.org/t/node-red-docker-container-memory-spike/96797)

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**Author:** [@Jen](https://discourse.nodered.org/u/Jen)\
**Replies:** 0\
**Last updated:** [29 April 2025 09:34 UTC](https://discourse.nodered.org/t/node-red-docker-container-memory-spike/96797 "2025-04-29T09:34:18Z")

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Hello, I'm running Node-RED inside a Docker container and everything had been working fine for a long time. I haven’t made any recent changes to the flows or configuration. However, starting today, Node-RED is being kil…

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## [Keeping http request open to receive notifications](https://discourse.nodered.org/t/keeping-http-request-open-to-receive-notifications/96786)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 1\
**Last updated:** [28 April 2025 11:08 UTC](https://discourse.nodered.org/t/keeping-http-request-open-to-receive-notifications/96786 "2025-04-28T11:08:27Z")

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hello I am trying to connect to siemens appliances using their events API: https://api-docs.home-connect.com/events/#program-changes If I use curl GET api\_url/api/homeappliances/{haId}/events and the authorization tok…

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## [GE appliances and nodered](https://discourse.nodered.org/t/ge-appliances-and-nodered/96773)

<div class="topic-metadata">

**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 7\
**Last updated:** [28 April 2025 10:45 UTC](https://discourse.nodered.org/t/ge-appliances-and-nodered/96773 "2025-04-28T10:45:04Z")

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Hi All GE have released API documentation for their appliances which also cover Haier appliances. URL: API Catalog | Smart HQ Developer Portal Has anyone had a play with these APIs and how to integrate them into NodeR…

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## [How to Only respond to 2nd message (within time window)](https://discourse.nodered.org/t/how-to-only-respond-to-2nd-message-within-time-window/38320)

<div class="topic-metadata">

**Author:** [@rekcodocker](https://discourse.nodered.org/u/rekcodocker)\
**Replies:** 14\
**Last updated:** [28 April 2025 01:19 UTC](https://discourse.nodered.org/t/how-to-only-respond-to-2nd-message-within-time-window/38320 "2025-04-28T01:19:45Z")

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It looks like 'node-red-contrib-join-wait' could do this but I do not need to join messages from different paths; and I want to be sure there is no simpler way. I have a motion sensor and I do not want a light to trigg…

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