# Latest

**URL:** https://discourse.nodered.org/latest.md?page=333

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

**Page:** 334

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## [Connecting to Tuya temperature and humidity sensor fails](https://discourse.nodered.org/t/connecting-to-tuya-temperature-and-humidity-sensor-fails/79165)

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**Author:** [@subjects](https://discourse.nodered.org/u/subjects)\
**Replies:** 2\
**Last updated:** [16 June 2023 00:15 UTC](https://discourse.nodered.org/t/connecting-to-tuya-temperature-and-humidity-sensor-fails/79165 "2023-06-16T00:15:23Z")

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Hi, I am trying to connect to a Tuya Temperature and Humdity sensor using the "Tuya smart device hub" node with no success. I have found the key and the id as explained in the instructions from the nodes installation n…

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## [Data is single batched](https://discourse.nodered.org/t/data-is-single-batched/79215)

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**Author:** [@rromele](https://discourse.nodered.org/u/rromele)\
**Replies:** 2\
**Last updated:** [15 June 2023 21:41 UTC](https://discourse.nodered.org/t/data-is-single-batched/79215 "2023-06-15T21:41:58Z")

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Hi, i'm sending data in cluod channel with attached function. Why i have an error msg "data is single batched" ? What is the correct way to write the function without having that message? Thanks in advance for your he…

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## [Using a local installation of Tabulator in a dashboard template](https://discourse.nodered.org/t/using-a-local-installation-of-tabulator-in-a-dashboard-template/79140)

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**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 7\
**Last updated:** [13 June 2023 17:39 UTC](https://discourse.nodered.org/t/using-a-local-installation-of-tabulator-in-a-dashboard-template/79140 "2023-06-13T17:39:23Z")

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Hi all, Following great advice from @madhouse, I am instantiating tabulator directly in a template node, and it works perfectly, allowing me functionality that is not available in the 'table' wrapper node.. In order to…

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## [Change Node - Not sure how to Reference payload in Expression](https://discourse.nodered.org/t/change-node-not-sure-how-to-reference-payload-in-expression/79204)

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**Author:** [@Quesnt](https://discourse.nodered.org/u/Quesnt)\
**Replies:** 4\
**Last updated:** [15 June 2023 18:00 UTC](https://discourse.nodered.org/t/change-node-not-sure-how-to-reference-payload-in-expression/79204 "2023-06-15T18:00:35Z")

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Hi, Given the expression and input below using the Change node, the test function works fine however when running the trigger I get no output. I've looked at many other posts on here and suspect I am not properly refere…

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## [Using ui\_template node](https://discourse.nodered.org/t/using-ui-template-node/79223)

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**Author:** [@AndyDufresne422](https://discourse.nodered.org/u/AndyDufresne422)\
**Replies:** 2\
**Last updated:** [15 June 2023 16:28 UTC](https://discourse.nodered.org/t/using-ui-template-node/79223 "2023-06-15T16:28:21Z")

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I'm working on a dashboard and have found a way to implement an HTML5-QRCodeScanner using an mui\_template node (i know that it is different than ui\_dashboard, but has so far functioned pretty much exactly same.) I've no…

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## [Http-request-node "Enable connection keep-alive" seems not to work](https://discourse.nodered.org/t/http-request-node-enable-connection-keep-alive-seems-not-to-work/79225)

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**Author:** [@Cyber](https://discourse.nodered.org/u/Cyber)\
**Replies:** 2\
**Last updated:** [15 June 2023 10:48 UTC](https://discourse.nodered.org/t/http-request-node-enable-connection-keep-alive-seems-not-to-work/79225 "2023-06-15T10:48:33Z")

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Hello, I am using node red 3.0.2 I tick the setting "Enable connection keep-alive" in a request node. I do not set any headers or something else before, only an inject node (timestamp set there) fires constantly. w…

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## [Safety node via function node —need help!](https://discourse.nodered.org/t/safety-node-via-function-node-need-help/79182)

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**Author:** [@ruuuppi](https://discourse.nodered.org/u/ruuuppi)\
**Replies:** 2\
**Last updated:** [15 June 2023 07:29 UTC](https://discourse.nodered.org/t/safety-node-via-function-node-need-help/79182 "2023-06-15T07:29:31Z")

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Hello everyone, i‘m new in programming. For my project i would need a function with an „if/or“ rule. i have 2 hysteresis nodes from my two warm- supply. so if one or both of them sends „on“, „1“, „true“.. i need to p…

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## [Background color button - CSS](https://discourse.nodered.org/t/background-color-button-css/79201)

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**Author:** [@Loveflowersx](https://discourse.nodered.org/u/Loveflowersx)\
**Replies:** 10\
**Last updated:** [15 June 2023 06:42 UTC](https://discourse.nodered.org/t/background-color-button-css/79201 "2023-06-15T06:42:54Z")

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Hi everyone, I have this css and I want to change this button node to black with white letters. I have tried several ways and nothing, not even from the node itself. \<style\> /\*Main background\*/ body { …

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## [NodeRED Pre-installed Raspberry Pi powered HMI](https://discourse.nodered.org/t/nodered-pre-installed-raspberry-pi-powered-hmi/78837)

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**Author:** [@Jena](https://discourse.nodered.org/u/Jena)\
**Replies:** 12\
**Last updated:** [15 June 2023 03:42 UTC](https://discourse.nodered.org/t/nodered-pre-installed-raspberry-pi-powered-hmi/78837 "2023-06-15T03:42:25Z")

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Happen to find this NodeRED pre-installed Raspberry PI CM4-powered HMI from Seeed and think it would be a nice fit for my new control system, what do you all think? :face\_with\_monocle:or any other Node-red compatible HMI…

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## [ComfoAir Connection Closed](https://discourse.nodered.org/t/comfoair-connection-closed/79205)

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**Author:** [@Mark.Resting](https://discourse.nodered.org/u/Mark.Resting)\
**Replies:** 0\
**Last updated:** [14 June 2023 15:01 UTC](https://discourse.nodered.org/t/comfoair-connection-closed/79205 "2023-06-14T15:01:35Z")

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Hi all, I try to use the ConfoAir imlementation "node-red-contrib-comfoair V0.0.8". It is working fine for some time, but after a while i'm getting this error: "comfoair \[/dev/serial/by-id/usb-Prolific\_Technology\_Inc.…

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## [Automatically save the flow from one server to another server](https://discourse.nodered.org/t/automatically-save-the-flow-from-one-server-to-another-server/79196)

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**Author:** [@Shyama\_Gupta](https://discourse.nodered.org/u/Shyama_Gupta)\
**Replies:** 0\
**Last updated:** [14 June 2023 11:46 UTC](https://discourse.nodered.org/t/automatically-save-the-flow-from-one-server-to-another-server/79196 "2023-06-14T11:46:16Z")

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How to automatically save the flow weekly from one server to another server of Node-RED?

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## [Compatibility of Dashboard Version with different browsers](https://discourse.nodered.org/t/compatibility-of-dashboard-version-with-different-browsers/79173)

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**Author:** [@haegar33](https://discourse.nodered.org/u/haegar33)\
**Replies:** 3\
**Last updated:** [14 June 2023 11:12 UTC](https://discourse.nodered.org/t/compatibility-of-dashboard-version-with-different-browsers/79173 "2023-06-14T11:12:31Z")

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I am using older iPads as static screens to show me the NR dashboard. For now I used a iPad 2 with iOS 9.3 which was compatible with Dashboard V2.2.0 Now switching to a newer iPad Air with iOS 15.3 I still cannot use th…

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## [Chart-image node does not react when plugins field exist](https://discourse.nodered.org/t/chart-image-node-does-not-react-when-plugins-field-exist/79169)

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**Author:** [@okircali](https://discourse.nodered.org/u/okircali)\
**Replies:** 1\
**Last updated:** [14 June 2023 09:37 UTC](https://discourse.nodered.org/t/chart-image-node-does-not-react-when-plugins-field-exist/79169 "2023-06-14T09:37:45Z")

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Hello, I am trying to create a chart with chart-image node. However, when I tried to use plugins field in the options context , chart-image node does not react. Not only create the image but also does not show any erro…

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## [Dynamic WatchDog MQTT](https://discourse.nodered.org/t/dynamic-watchdog-mqtt/79190)

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**Author:** [@LinkView\_Maze](https://discourse.nodered.org/u/LinkView_Maze)\
**Replies:** 3\
**Last updated:** [14 June 2023 09:27 UTC](https://discourse.nodered.org/t/dynamic-watchdog-mqtt/79190 "2023-06-14T09:27:37Z")

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Hello Community, I use MQTT protocol for my system.I have a lot of rpi and I use a dynamic post but the properties WagDog is not dynamic. Ex: rpi 1 the topic is RPI1/Input RPI1/Watchdog rpi 2 the topic is RPI2/In…

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## [Problem showing payload on template](https://discourse.nodered.org/t/problem-showing-payload-on-template/79183)

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**Author:** [@mariulin](https://discourse.nodered.org/u/mariulin)\
**Replies:** 7\
**Last updated:** [14 June 2023 08:42 UTC](https://discourse.nodered.org/t/problem-showing-payload-on-template/79183 "2023-06-14T08:42:06Z")

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Hello everybody, I've a problem with the attached flow. The problem is that the template shows only the value that I inject, but I need to see both at same time. Where I'm wrong? Thanks to all flows.json (5.6 KB)

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## [CHINT smart meter DDSU666](https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177)

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**Author:** [@kgakere](https://discourse.nodered.org/u/kgakere)\
**Replies:** 1\
**Last updated:** [14 June 2023 04:41 UTC](https://discourse.nodered.org/t/chint-smart-meter-ddsu666/79177 "2023-06-14T04:41:33Z")

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I have an energy meter DDSU666.004.0006Single phase electronic energy meter that i am trying to get connected and read values using the contrib-modbus version 5.26.0. Has anyone come across this before? The addresses p…

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## [Node-RED Flow tabs](https://discourse.nodered.org/t/node-red-flow-tabs/79172)

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**Author:** [@enniob](https://discourse.nodered.org/u/enniob)\
**Replies:** 6\
**Last updated:** [13 June 2023 21:23 UTC](https://discourse.nodered.org/t/node-red-flow-tabs/79172 "2023-06-13T21:23:14Z")

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Is it possible to hide all the flow tabs by default and only show them when you open the correct URL? thanks

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## [Setting up remote branch](https://discourse.nodered.org/t/setting-up-remote-branch/79152)

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**Author:** [@CarbonNanoTubes](https://discourse.nodered.org/u/CarbonNanoTubes)\
**Replies:** 4\
**Last updated:** [13 June 2023 20:55 UTC](https://discourse.nodered.org/t/setting-up-remote-branch/79152 "2023-06-13T20:55:52Z")

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I am trying to setup a node-red project for the first time and I'm a little confused on how I get node-red to push to my origin. Under Menu-\>Projects-\>Project Settings-\>Settings, I have added a git remote to my local git…

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## [From array to string with join](https://discourse.nodered.org/t/from-array-to-string-with-join/79179)

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**Author:** [@ttavlis](https://discourse.nodered.org/u/ttavlis)\
**Replies:** 5\
**Last updated:** [13 June 2023 20:18 UTC](https://discourse.nodered.org/t/from-array-to-string-with-join/79179 "2023-06-13T20:18:15Z")

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Hello all, I am trying a very basic operation of turning an array to a string with join, but somehow I cannot make it. This is how my message with the array look like: Then I use a simple join node, set to string, …

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## [Upload multiple files with form-data](https://discourse.nodered.org/t/upload-multiple-files-with-form-data/79180)

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**Author:** [@psutak](https://discourse.nodered.org/u/psutak)\
**Replies:** 0\
**Last updated:** [13 June 2023 19:41 UTC](https://discourse.nodered.org/t/upload-multiple-files-with-form-data/79180 "2023-06-13T19:41:46Z")

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Hello, I'm trying to upload multiple files with aditional form-data. When I send the data using Postman to 3rd party rest api, everything is fine. When I inspect Postman request, I see this: But when sending the sam…

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## [Unable to remove add-on](https://discourse.nodered.org/t/unable-to-remove-add-on/79155)

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**Author:** [@hacesoft](https://discourse.nodered.org/u/hacesoft)\
**Replies:** 4\
**Last updated:** [13 June 2023 19:00 UTC](https://discourse.nodered.org/t/unable-to-remove-add-on/79155 "2023-06-13T19:00:41Z")

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Good day, I'm trying to remove the already installed module dashboard-evi and node-red-dashboard, I have both installed and they are both in conflict. I installed the first one by mistake and then uninstalled it and then…

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## [Audio stream from microphone outbound](https://discourse.nodered.org/t/audio-stream-from-microphone-outbound/79119)

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**Author:** [@DidierWindey](https://discourse.nodered.org/u/DidierWindey)\
**Replies:** 1\
**Last updated:** [13 June 2023 18:44 UTC](https://discourse.nodered.org/t/audio-stream-from-microphone-outbound/79119 "2023-06-13T18:44:50Z")

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I would like to build a Google Nest mini like device. The idea is that a Raspberry Pi Zero W with a USB microphone constantly steams the audio to a Pi 4. Pi 4 listens for a trigger word via voice2json. Once the trigg…

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## [Node Red WiFi login page](https://discourse.nodered.org/t/node-red-wifi-login-page/79170)

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**Author:** [@SoAu](https://discourse.nodered.org/u/SoAu)\
**Replies:** 4\
**Last updated:** [13 June 2023 18:09 UTC](https://discourse.nodered.org/t/node-red-wifi-login-page/79170 "2023-06-13T18:09:22Z")

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Hi Guys, I need to design a Wifi Login page for Node Red. Requirement : User can switch hotspots or go with new Wifi connection with user name and password. Kindly suggest some solutions. Thanks!!

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## [How to create a dns entry on my server](https://discourse.nodered.org/t/how-to-create-a-dns-entry-on-my-server/79176)

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**Author:** [@tgottie](https://discourse.nodered.org/u/tgottie)\
**Replies:** 0\
**Last updated:** [13 June 2023 17:22 UTC](https://discourse.nodered.org/t/how-to-create-a-dns-entry-on-my-server/79176 "2023-06-13T17:22:52Z")

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so i have the url with our private ip x.x.x.x:1880/ui to access the dashboard. i can create a dns for x.x.x.x and a srv record to add the port for that host. how can i point it to the ui section so that i could access th…

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## [How to Autostart NodeRed in Windows?](https://discourse.nodered.org/t/how-to-autostart-nodered-in-windows/79167)

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**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 3\
**Last updated:** [13 June 2023 16:10 UTC](https://discourse.nodered.org/t/how-to-autostart-nodered-in-windows/79167 "2023-06-13T16:10:05Z")

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Hey there, I am running Node-Red under Windows Server 2016. Right now there is a BAT-File that I have to restart manually after a Server-Reboot to restart Node-Red. The command looks like that: node-red -p 19999 -…

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## [Using Media node for node red dashboard - Video Autoplay "Run on Start" not working](https://discourse.nodered.org/t/using-media-node-for-node-red-dashboard-video-autoplay-run-on-start-not-working/78936)

<div class="topic-metadata">

**Author:** [@saraltech](https://discourse.nodered.org/u/saraltech)\
**Replies:** 10\
**Last updated:** [13 June 2023 16:03 UTC](https://discourse.nodered.org/t/using-media-node-for-node-red-dashboard-video-autoplay-run-on-start-not-working/78936 "2023-06-13T16:03:50Z")

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Dear All, I am using Media node for running a video on Node red dashboard. Everything works well except that video does not start automatically. I have enabled "run on start" option. Still everytime, I have to press pl…

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## [Dynamic forms in node-red](https://discourse.nodered.org/t/dynamic-forms-in-node-red/78841)

<div class="topic-metadata">

**Author:** [@agmacedo](https://discourse.nodered.org/u/agmacedo)\
**Replies:** 11\
**Last updated:** [13 June 2023 14:22 UTC](https://discourse.nodered.org/t/dynamic-forms-in-node-red/78841 "2023-06-13T14:22:26Z")

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Best way to create a dynamic form based on a json file to transfer recipes (groups of data) to the Plc. The idea is to put all the information necessary to create the form on a json file and reuse it to create the forms …

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## [Help with Dashboard HTML](https://discourse.nodered.org/t/help-with-dashboard-html/79171)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 0\
**Last updated:** [13 June 2023 13:11 UTC](https://discourse.nodered.org/t/help-with-dashboard-html/79171 "2023-06-13T13:11:35Z")

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HTML assistance. I'm hoping that I have a good start on it. I'm trying to populate a table with rows of values from a database query. That is all great. I added code for the CSS Class .warning{ } and .alarm{ } to pro…

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## [Upgrade node-red on windows](https://discourse.nodered.org/t/upgrade-node-red-on-windows/79144)

<div class="topic-metadata">

**Author:** [@coat](https://discourse.nodered.org/u/coat)\
**Replies:** 31\
**Last updated:** [13 June 2023 13:04 UTC](https://discourse.nodered.org/t/upgrade-node-red-on-windows/79144 "2023-06-13T13:04:01Z")

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Hi all! I'm trying to upgrade node-red on my windows 10 from 2.2.1 to the newer. So, I used the command npm install -g --unsafe-perm node-red as read in the guide. After a few seconds, it returns changed 293 packag…

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## [Access storage Module in Custom Node](https://discourse.nodered.org/t/access-storage-module-in-custom-node/79142)

<div class="topic-metadata">

**Author:** [@KilianHertel](https://discourse.nodered.org/u/KilianHertel)\
**Replies:** 1\
**Last updated:** [13 June 2023 12:43 UTC](https://discourse.nodered.org/t/access-storage-module-in-custom-node/79142 "2023-06-13T12:43:10Z")

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Hi, is it possible to access functions from a custom storageModule I provided in a customNode? So lets say if I have a websocket Connection already open in my storage module could i use that same connection in a custom…

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