# Latest

**URL:** https://discourse.nodered.org/latest.md?page=290

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

**Page:** 291

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## [Interactive offline map with svg editor](https://discourse.nodered.org/t/interactive-offline-map-with-svg-editor/81911)

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**Author:** [@Stropwafle](https://discourse.nodered.org/u/Stropwafle)\
**Replies:** 2\
**Last updated:** [12 October 2023 07:48 UTC](https://discourse.nodered.org/t/interactive-offline-map-with-svg-editor/81911 "2023-10-12T07:48:09Z")

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Hi I'm doing a project and the program I'm writing needs to have an interactive interface with a map. Now I can't use the worldmap node because I need it to work offline. So what my idea was is to use the svg editor node…

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## [Control Tasmota devices via OXRS touch-panel](https://discourse.nodered.org/t/control-tasmota-devices-via-oxrs-touch-panel/81770)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 1\
**Last updated:** [12 October 2023 03:10 UTC](https://discourse.nodered.org/t/control-tasmota-devices-via-oxrs-touch-panel/81770 "2023-10-12T03:10:22Z")

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This is a sample flow to to control Tasmota devices via the OXRS touch-panel. It works by mapping the OXRS screen and tile payloads to specific Tasmota device topics, and vice versa. This allows the touch screen to cont…

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## [NODE "client machine](https://discourse.nodered.org/t/node-client-machine/81955)

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**Author:** [@imperium85](https://discourse.nodered.org/u/imperium85)\
**Replies:** 2\
**Last updated:** [12 October 2023 02:41 UTC](https://discourse.nodered.org/t/node-client-machine/81955 "2023-10-12T02:41:59Z")

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Hi There Im new with NODE RED, but managed to put toghether a basic dashboard that uses Raspberry PI's GPIO port for in/out ports. It might be a dump question but I just can't get my head around it. So I would have a m…

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## [How to set up SvelteKit?](https://discourse.nodered.org/t/how-to-set-up-sveltekit/81925)

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**Author:** [@neves-io](https://discourse.nodered.org/u/neves-io)\
**Replies:** 3\
**Last updated:** [11 October 2023 19:31 UTC](https://discourse.nodered.org/t/how-to-set-up-sveltekit/81925 "2023-10-11T19:31:47Z")

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Firstly - thanks so much for a wonderful node-RED plugin. I got the example Svelte project up and running no problem. We will need SvelteKit in our case - what is the best method to get this up and running in UI builde…

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## [Problem receiving RF data on serial port](https://discourse.nodered.org/t/problem-receiving-rf-data-on-serial-port/81811)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 14\
**Last updated:** [11 October 2023 18:58 UTC](https://discourse.nodered.org/t/problem-receiving-rf-data-on-serial-port/81811 "2023-10-11T18:58:27Z")

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I have a Raspberry Pi v3b fitted with a RF Hat, to receive data from remote sensors which I then process in node-RED -\> Influx. This has worked reliably for several years, but for some reason a few weeks ago, in the mid…

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## [How to rate a node-red-contrib](https://discourse.nodered.org/t/how-to-rate-a-node-red-contrib/81945)

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**Author:** [@RobSmyth](https://discourse.nodered.org/u/RobSmyth)\
**Replies:** 2\
**Last updated:** [11 October 2023 18:30 UTC](https://discourse.nodered.org/t/how-to-rate-a-node-red-contrib/81945 "2023-10-11T18:30:22Z")

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I want to rate a node I downloaded an use. How do I do this? I do not see an option. Apologies if this is an existing thread and/or obvious. Rob

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## [Philips Hue Tap Dial Node-Red](https://discourse.nodered.org/t/philips-hue-tap-dial-node-red/81894)

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**Author:** [@kievitje](https://discourse.nodered.org/u/kievitje)\
**Replies:** 1\
**Last updated:** [10 October 2023 06:22 UTC](https://discourse.nodered.org/t/philips-hue-tap-dial-node-red/81894 "2023-10-10T06:22:26Z")

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G'day all, I'm relatively new to programming with node-red and am learning a lot on here. I'm having trouble making my tap dial work with node-red. The 4 buttons are working, what I'd like to do is make the dimmer fun…

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## [Gestion T°,HR et pression atmosphérique avec mesure de debit d'eau et T° d'eau avec un PI](https://discourse.nodered.org/t/gestion-t-hr-et-pression-atmospherique-avec-mesure-de-debit-deau-et-t-deau-avec-un-pi/81731)

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**Author:** [@Lovely](https://discourse.nodered.org/u/Lovely)\
**Replies:** 7\
**Last updated:** [11 October 2023 13:24 UTC](https://discourse.nodered.org/t/gestion-t-hr-et-pression-atmospherique-avec-mesure-de-debit-deau-et-t-deau-avec-un-pi/81731 "2023-10-11T13:24:54Z")

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Bonjour a toutes et a tous, Tous, nouvel inscrit depuis quelques jours, je me présente : Tous jeune dans ce milieu ,j'ai d'abord commence a connaitre l'univers du PI qui ma fort intéressé par les possibilités offertes …

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## [Dashboard 2.0 - Where we are, and what’s next?](https://discourse.nodered.org/t/dashboard-2-0-where-we-are-and-what-s-next/81929)

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**Author:** [@iskerrett](https://discourse.nodered.org/u/iskerrett)\
**Replies:** 19\
**Last updated:** [11 October 2023 10:22 UTC](https://discourse.nodered.org/t/dashboard-2-0-where-we-are-and-what-s-next/81929 "2023-10-11T10:22:33Z")

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The Dashboard 2.0 project is the next generation of the very popular Node-RED Dashboard nodes. This new project is making great progress towards feature parity plus adding new UI widgets. FlowFuse is the main sponsor of…

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## [Uncaught Exception | When the global variables are not defined, but used in a node](https://discourse.nodered.org/t/uncaught-exception-when-the-global-variables-are-not-defined-but-used-in-a-node/81632)

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**Author:** [@mayurkhadse](https://discourse.nodered.org/u/mayurkhadse)\
**Replies:** 5\
**Last updated:** [11 October 2023 10:03 UTC](https://discourse.nodered.org/t/uncaught-exception-when-the-global-variables-are-not-defined-but-used-in-a-node/81632 "2023-10-11T10:03:33Z")

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There comes an exception if the global variables are not defined and we try to launch the Node red and in a node the global variables are being read. 28 Sep 12:53:23 - \[error\] TypeError: Cannot read properties of undefi…

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## [V3.1.0 touching .config.nodes.json](https://discourse.nodered.org/t/v3-1-0-touching-config-nodes-json/81942)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [11 October 2023 09:45 UTC](https://discourse.nodered.org/t/v3-1-0-touching-config-nodes-json/81942 "2023-10-11T09:45:44Z")

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It seems that node red 3.1.0 touches .config.nodes.json (so changes its timestamp) at each node red restart. This causes my backup strategy to keep backing it up. I believe that this is a change with 3.1.0. If so, was…

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## [Http request throws error after nodejs update](https://discourse.nodered.org/t/http-request-throws-error-after-nodejs-update/81880)

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**Author:** [@pebl-hank](https://discourse.nodered.org/u/pebl-hank)\
**Replies:** 11\
**Last updated:** [11 October 2023 07:49 UTC](https://discourse.nodered.org/t/http-request-throws-error-after-nodejs-update/81880 "2023-10-11T07:49:21Z")

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Hey there, I updated from nodejs 14 to 18 and re-installed node red. Now, when I use the original example at https://cookbook.nodered.org/http/simple-get-request I get \[error\] \[http request:874a3d4e.9b666\] RequestEr…

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## [Create flows.json programmatically?](https://discourse.nodered.org/t/create-flows-json-programmatically/81934)

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**Author:** [@Dunken](https://discourse.nodered.org/u/Dunken)\
**Replies:** 6\
**Last updated:** [11 October 2023 07:30 UTC](https://discourse.nodered.org/t/create-flows-json-programmatically/81934 "2023-10-11T07:30:03Z")

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Let's assume I have 10 flows (in 10 tabs). I would like to programmatically create a new flows.json file for a subset of the flows, in order to run them in a second Node-RED instance. What's the recommended way how to do…

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## [How to resend modbus tcp if read is diffrend from send message](https://discourse.nodered.org/t/how-to-resend-modbus-tcp-if-read-is-diffrend-from-send-message/81932)

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**Author:** [@mrDal666](https://discourse.nodered.org/u/mrDal666)\
**Replies:** 0\
**Last updated:** [10 October 2023 18:18 UTC](https://discourse.nodered.org/t/how-to-resend-modbus-tcp-if-read-is-diffrend-from-send-message/81932 "2023-10-10T18:18:09Z")

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Hi can some one help me with my code? i have problems sending to my plc. some times i get a message overload on my plc. what am i doing wrong? how do i add a resend message if read is diffrend from send message. this…

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## [Move Node to other flow](https://discourse.nodered.org/t/move-node-to-other-flow/81903)

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**Author:** [@Graefe](https://discourse.nodered.org/u/Graefe)\
**Replies:** 6\
**Last updated:** [10 October 2023 19:30 UTC](https://discourse.nodered.org/t/move-node-to-other-flow/81903 "2023-10-10T19:30:43Z")

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How can I move a node to an other flow? I think in former versions you could drag an drop to a flow tab. In 3.1 it does not work like that.

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## [How can I combine humidty and temp from Tellstick Duo MQTT before sending, when it is there?](https://discourse.nodered.org/t/how-can-i-combine-humidty-and-temp-from-tellstick-duo-mqtt-before-sending-when-it-is-there/81930)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 2\
**Last updated:** [10 October 2023 19:11 UTC](https://discourse.nodered.org/t/how-can-i-combine-humidty-and-temp-from-tellstick-duo-mqtt-before-sending-when-it-is-there/81930 "2023-10-10T19:11:56Z")

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I have finally found something that works for me so that I can use the Tellstick Duos that I have around my house and cabin (I bought a bunch of them cheap when they were going out of style, so quite some years ago). Thi…

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## [World Map storing tag location and Geo fences and recall them on map load](https://discourse.nodered.org/t/world-map-storing-tag-location-and-geo-fences-and-recall-them-on-map-load/81906)

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**Author:** [@88bit](https://discourse.nodered.org/u/88bit)\
**Replies:** 2\
**Last updated:** [10 October 2023 16:20 UTC](https://discourse.nodered.org/t/world-map-storing-tag-location-and-geo-fences-and-recall-them-on-map-load/81906 "2023-10-10T16:20:11Z")

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Hi, I'm working on a mapping project showing sensor data on a map. The data is received via MQTT and works very nicely on dynamic input. Now I'm looking to make the last values persistent on the map. I estimate I will h…

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## [Jsonata in global environment variables with reference](https://discourse.nodered.org/t/jsonata-in-global-environment-variables-with-reference/81927)

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**Author:** [@IotDeveloper](https://discourse.nodered.org/u/IotDeveloper)\
**Replies:** 1\
**Last updated:** [10 October 2023 15:52 UTC](https://discourse.nodered.org/t/jsonata-in-global-environment-variables-with-reference/81927 "2023-10-10T15:52:25Z")

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Hello, i want to use jsonata expression within the released function "Global Environment Variables". The jsonata contains a logical function, which checks if a environmental variable exists. If not, it sets a default v…

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## [Newbie Node-red help creating a flow to turn off Lightwave wall socket (wattage)](https://discourse.nodered.org/t/newbie-node-red-help-creating-a-flow-to-turn-off-lightwave-wall-socket-wattage/81914)

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**Author:** [@NRnovice](https://discourse.nodered.org/u/NRnovice)\
**Replies:** 3\
**Last updated:** [10 October 2023 15:48 UTC](https://discourse.nodered.org/t/newbie-node-red-help-creating-a-flow-to-turn-off-lightwave-wall-socket-wattage/81914 "2023-10-10T15:48:24Z")

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Good Afternoon all, I'm new to using Node Red and require some help setting up a flow. I've searched online but unable to find what I'm looking for. My System: Home Assistance yellow V2023.10.1, OS V10.5 Node red V3.…

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## [FlowCompare - visually compare local flow with flow deployed on server](https://discourse.nodered.org/t/flowcompare-visually-compare-local-flow-with-flow-deployed-on-server/81922)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 0\
**Last updated:** [10 October 2023 14:48 UTC](https://discourse.nodered.org/t/flowcompare-visually-compare-local-flow-with-flow-deployed-on-server/81922 "2023-10-10T14:48:11Z")

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Hi There! A perhaps slightly imperfect node but a demonstration of how a visual comparison of flows might work - FlowCompare node - as the readme does not work @ flows.nodered.org, the npmjs package displays the documen…

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## [How can I pass python script file and input image folder path as params using postman?](https://discourse.nodered.org/t/how-can-i-pass-python-script-file-and-input-image-folder-path-as-params-using-postman/81830)

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**Author:** [@Ram1](https://discourse.nodered.org/u/Ram1)\
**Replies:** 17\
**Last updated:** [10 October 2023 12:27 UTC](https://discourse.nodered.org/t/how-can-i-pass-python-script-file-and-input-image-folder-path-as-params-using-postman/81830 "2023-10-10T12:27:51Z")

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How can I pass python script file and input image folder path as params using postman body? and get from exec node as msg.payload and run the script file?

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## [Possible bug Joining environment variables in typedInput](https://discourse.nodered.org/t/possible-bug-joining-environment-variables-in-typedinput/81908)

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**Author:** [@jnn](https://discourse.nodered.org/u/jnn)\
**Replies:** 4\
**Last updated:** [10 October 2023 12:08 UTC](https://discourse.nodered.org/t/possible-bug-joining-environment-variables-in-typedinput/81908 "2023-10-10T12:08:02Z")

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I thought it was possible to joining env vars in subflows but I am doing something wrong here. I have checked out this thread: https://discourse.nodered.org/t/using-subflow-environment-variable-to-set-mqtt-topic/15331/8 …

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## [Utiliser les datetime avec mariadb](https://discourse.nodered.org/t/utiliser-les-datetime-avec-mariadb/81915)

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**Author:** [@mfrederic](https://discourse.nodered.org/u/mfrederic)\
**Replies:** 0\
**Last updated:** [10 October 2023 11:49 UTC](https://discourse.nodered.org/t/utiliser-les-datetime-avec-mariadb/81915 "2023-10-10T11:49:13Z")

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bonjour, je récupère une date d'un compteur d'énergie. Je souhaiterais intégrer cette date dans Mariadb mais je me perds avec les différents formats. merci d'avance

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## [Shelly bluetooth low energy sensores to MQTT](https://discourse.nodered.org/t/shelly-bluetooth-low-energy-sensores-to-mqtt/81892)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 2\
**Last updated:** [10 October 2023 08:23 UTC](https://discourse.nodered.org/t/shelly-bluetooth-low-energy-sensores-to-mqtt/81892 "2023-10-10T08:23:30Z")

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shelly has released some very nice bluetooth low energy sensors which work together with gen 2 shellies. In order to use these ble devices you have to run a script on the shelly 2 device, which can for example drive the…

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## [Need to expose the api](https://discourse.nodered.org/t/need-to-expose-the-api/81904)

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**Author:** [@Ram1](https://discourse.nodered.org/u/Ram1)\
**Replies:** 3\
**Last updated:** [10 October 2023 08:10 UTC](https://discourse.nodered.org/t/need-to-expose-the-api/81904 "2023-10-10T08:10:39Z")

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want to pass the python file path and input image folder path as params in postman. I need to get the params in node red and run the py file and expose the api to get the data with status code of 200.

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## [Node-red control mplayer on windows](https://discourse.nodered.org/t/node-red-control-mplayer-on-windows/81876)

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**Author:** [@xiaoqiao](https://discourse.nodered.org/u/xiaoqiao)\
**Replies:** 1\
**Last updated:** [9 October 2023 12:03 UTC](https://discourse.nodered.org/t/node-red-control-mplayer-on-windows/81876 "2023-10-09T12:03:19Z")

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Hello, I saved several music(mp3 format) on my windows PC, and install node-red on this windows PC, I want use node-red to control mplayer to play the music I want, does any body have this kind of experience, and if this…

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## [My node-red-contrib-opcua client is showing invalid endpoint, check that server has security policy # None](https://discourse.nodered.org/t/my-node-red-contrib-opcua-client-is-showing-invalid-endpoint-check-that-server-has-security-policy-none/81901)

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**Author:** [@ice\_soul](https://discourse.nodered.org/u/ice_soul)\
**Replies:** 0\
**Last updated:** [10 October 2023 05:48 UTC](https://discourse.nodered.org/t/my-node-red-contrib-opcua-client-is-showing-invalid-endpoint-check-that-server-has-security-policy-none/81901 "2023-10-10T05:48:52Z")

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I tried to use the OPCUA client of ThingsGateway to test that it can connect to Kepserver EX6 successfully, but the node-red opcua client of 0.2.315 version can't do that, I don't set any security strategies, anyone who …

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## [RS485 don´t reconnect after failure](https://discourse.nodered.org/t/rs485-don-t-reconnect-after-failure/81854)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 7\
**Last updated:** [10 October 2023 05:38 UTC](https://discourse.nodered.org/t/rs485-don-t-reconnect-after-failure/81854 "2023-10-10T05:38:15Z")

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Hi, I got a big problem, till a few days ago I used a RPi4 to query 3 EASTRON SDM72v2 with a DSD TECH SH-U11F, this works for years without problems. Now I changed the RPi4 to a RPi2 - fresh install - same flow. Every …

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## [Reporting with Nodered](https://discourse.nodered.org/t/reporting-with-nodered/81788)

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**Author:** [@en-andreea-anastases](https://discourse.nodered.org/u/en-andreea-anastases)\
**Replies:** 6\
**Last updated:** [9 October 2023 21:57 UTC](https://discourse.nodered.org/t/reporting-with-nodered/81788 "2023-10-09T21:57:03Z")

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I would like to collect some data from nodered flows. One type of data is the flow starting and finishing. I'd mention that I'd like to collect my data in Azure ApplicationInsights - but maybe this is not that importan…

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## [Nodered - status (executing flows)](https://discourse.nodered.org/t/nodered-status-executing-flows/81890)

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**Author:** [@en-andreea-anastases](https://discourse.nodered.org/u/en-andreea-anastases)\
**Replies:** 4\
**Last updated:** [9 October 2023 21:37 UTC](https://discourse.nodered.org/t/nodered-status-executing-flows/81890 "2023-10-09T21:37:03Z")

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Hi, Is there a way to get the list of currently executing flows (maybe even some history)? I am still trying to build some reporting around this information. we are using nodered as a low-code/visual programming platfo…

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