# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1033

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

**Page:** 1034

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## [Use data from 2 arrays](https://discourse.nodered.org/t/use-data-from-2-arrays/30627)

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**Author:** [@marct](https://discourse.nodered.org/u/marct)\
**Replies:** 4\
**Last updated:** [24 July 2020 18:01 UTC](https://discourse.nodered.org/t/use-data-from-2-arrays/30627 "2020-07-24T18:01:44Z")

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Hi, I am building a flow to extract dates for emptying garbage bins in our street from a website. The type of garbage and the date are entered in two separate arrays. How can I combine those two and read the right dat…

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## [Convert String to Float](https://discourse.nodered.org/t/convert-string-to-float/30656)

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**Author:** [@mtoko](https://discourse.nodered.org/u/mtoko)\
**Replies:** 9\
**Last updated:** [24 July 2020 16:36 UTC](https://discourse.nodered.org/t/convert-string-to-float/30656 "2020-07-24T16:36:47Z")

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This is probably a simple solution. I am working with w text file and extracting some time and sensor values, some work and some don't. I have tried to compare the ones that do and as can be seen in the debug, the ones t…

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## [Multiple (5) serial inputs to raspi using usb ports](https://discourse.nodered.org/t/multiple-5-serial-inputs-to-raspi-using-usb-ports/30659)

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**Author:** [@panmanjon](https://discourse.nodered.org/u/panmanjon)\
**Replies:** 1\
**Last updated:** [24 July 2020 16:24 UTC](https://discourse.nodered.org/t/multiple-5-serial-inputs-to-raspi-using-usb-ports/30659 "2020-07-24T16:24:49Z")

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OK newbie here - I am using 5 usb ports on the raspberry pi to read 5 serial inputs - it all works fine but at the moment I have to carefully plug in each usb port in a specific order so that the port matches up to the s…

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## [Bug in dashboard, collaspe button cannot be clicked](https://discourse.nodered.org/t/bug-in-dashboard-collaspe-button-cannot-be-clicked/30658)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 0\
**Last updated:** [24 July 2020 15:44 UTC](https://discourse.nodered.org/t/bug-in-dashboard-collaspe-button-cannot-be-clicked/30658 "2020-07-24T15:44:35Z")

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Moving the size of the browser window, in Firefox in this case, the collapse button moved down below the UI group name/title, and once this happened, it cannot be clicked on. Example below. How this happens is when y…

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## [Problems with conditional function](https://discourse.nodered.org/t/problems-with-conditional-function/30498)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 28\
**Last updated:** [24 July 2020 15:16 UTC](https://discourse.nodered.org/t/problems-with-conditional-function/30498 "2020-07-24T15:16:31Z")

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Hi I'm having problems with this function I really don't know what is happening. var valueread = global.get("read"); var minvalue = global.get("minvalue"); var maxvalue = global.get("maxvalue"); if (valueread \<= m…

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## [How to build a flow variable array in a function](https://discourse.nodered.org/t/how-to-build-a-flow-variable-array-in-a-function/30585)

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**Author:** [@zazas321](https://discourse.nodered.org/u/zazas321)\
**Replies:** 31\
**Last updated:** [24 July 2020 10:52 UTC](https://discourse.nodered.org/t/how-to-build-a-flow-variable-array-in-a-function/30585 "2020-07-24T10:52:34Z")

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Hello. I am a little bit stuck trying to build a flow variable array inside a function. I need this variable to be flow or global so I can use it in other functions: The function look like this //add the values to the …

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## [GUI Background Image](https://discourse.nodered.org/t/gui-background-image/30588)

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**Author:** [@oncdastan](https://discourse.nodered.org/u/oncdastan)\
**Replies:** 13\
**Last updated:** [24 July 2020 10:41 UTC](https://discourse.nodered.org/t/gui-background-image/30588 "2020-07-24T10:41:38Z")

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Hi. I want to make the background a specific image. Not the ares where it is outside of the widgets, I want to put the image behind the widgets. Not on a specific group either. Also, I am using chromium, so the backgroun…

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## [Can't get sqlite node installed](https://discourse.nodered.org/t/cant-get-sqlite-node-installed/6369)

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**Author:** [@ejcmiddl](https://discourse.nodered.org/u/ejcmiddl)\
**Replies:** 10\
**Last updated:** [24 July 2020 10:00 UTC](https://discourse.nodered.org/t/cant-get-sqlite-node-installed/6369 "2020-07-24T10:00:19Z")

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I have node-red running on a Raspberry PI 3+. Having an issue installing/running since attempting to install node-red-node-sqlite module. After restarting node-red I get the following: Welcome to Node-RED 3 Jan 17:44:…

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## [Automatic fish feeder](https://discourse.nodered.org/t/automatic-fish-feeder/8612)

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**Author:** [@rburton](https://discourse.nodered.org/u/rburton)\
**Replies:** 10\
**Last updated:** [24 July 2020 09:58 UTC](https://discourse.nodered.org/t/automatic-fish-feeder/8612 "2020-07-24T09:58:23Z")

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Hello all, I need some help I'm new too coding and node red. I am basically after advice. So a little about what I want to achieve the fish feeder has = 250 feeds and each time the msg.payload = true de-increment by 1…

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## [Curl Request with XML Payload](https://discourse.nodered.org/t/curl-request-with-xml-payload/30620)

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**Author:** [@ThisisIO](https://discourse.nodered.org/u/ThisisIO)\
**Replies:** 5\
**Last updated:** [24 July 2020 09:42 UTC](https://discourse.nodered.org/t/curl-request-with-xml-payload/30620 "2020-07-24T09:42:18Z")

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Hello, have request that worls from terminal curl -k --anyauth -u "test:testpass1" \\ "http://${FB}/upnp/control/x\_voip" \\ -H 'Content-Typ…

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## [ESP8266 with node red](https://discourse.nodered.org/t/esp8266-with-node-red/30550)

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**Author:** [@mustafa](https://discourse.nodered.org/u/mustafa)\
**Replies:** 18\
**Last updated:** [24 July 2020 09:30 UTC](https://discourse.nodered.org/t/esp8266-with-node-red/30550 "2020-07-24T09:30:16Z")

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Hi I have RPI3b and I use it as a water level detector with the ultrasonic sensor HC-SR04 and it works fine And now I'm thinking yo use instead of RPI to use the ESP8266. Please advise me if it can be used to give the…

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## [Create electron app with uibuilder file](https://discourse.nodered.org/t/create-electron-app-with-uibuilder-file/30586)

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**Author:** [@YLM-UJM](https://discourse.nodered.org/u/YLM-UJM)\
**Replies:** 2\
**Last updated:** [24 July 2020 07:51 UTC](https://discourse.nodered.org/t/create-electron-app-with-uibuilder-file/30586 "2020-07-24T07:51:21Z")

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I have just discovered electron app which are awesome. I am wondering if it's possible to use the uibuilder code which run with VueJs with Electron, so I could create a real app which run with node-red. Actually I have …

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## [\[Announce\] node-red-contrib-sox-utils : first beta (testers wanted)](https://discourse.nodered.org/t/announce-node-red-contrib-sox-utils-first-beta-testers-wanted/27563)

<div class="topic-metadata">

**Author:** [@JGKK](https://discourse.nodered.org/u/JGKK)\
**Replies:** 31\
**Last updated:** [24 July 2020 07:02 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-sox-utils-first-beta-testers-wanted/27563 "2020-07-24T07:02:29Z")

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Hello, I just finished the first usable beta version of my very first node. The node is a wrapper around the record functionality of the sox commandline tool on linux and you can find it here: I’m happy for any te…

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## [Please help with GPIO Status and IF statement trigger](https://discourse.nodered.org/t/please-help-with-gpio-status-and-if-statement-trigger/30629)

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**Author:** [@Peter](https://discourse.nodered.org/u/Peter)\
**Replies:** 0\
**Last updated:** [23 July 2020 18:42 UTC](https://discourse.nodered.org/t/please-help-with-gpio-status-and-if-statement-trigger/30629 "2020-07-23T18:42:37Z")

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Hallo Everyone, Hope you could assist me with a challenge I face regards to a GPIO Status, to only receive an trigger 1 / 0 subject to its status . My Flow starts with a GPIO 07 ( 0 = off / normal state ) and if trigg…

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## [Executing flows on UT tab events, tab selection?](https://discourse.nodered.org/t/executing-flows-on-ut-tab-events-tab-selection/30641)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 1\
**Last updated:** [24 July 2020 05:13 UTC](https://discourse.nodered.org/t/executing-flows-on-ut-tab-events-tab-selection/30641 "2020-07-24T05:13:21Z")

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Is there a way to trigger a flow when operator changes from one dashboard tab to another? Or when a specific tab is selected? I want to run a flow to update the status, presentation of UI objects, when a given tab is s…

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## [Need help from a Tuya Guru](https://discourse.nodered.org/t/need-help-from-a-tuya-guru/30630)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 6\
**Last updated:** [24 July 2020 04:49 UTC](https://discourse.nodered.org/t/need-help-from-a-tuya-guru/30630 "2020-07-24T04:49:51Z")

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I need the help of a Tuya Guru. I got my devices, smart plugs, all connected to the tuya smart app, to validate they all work. I got a developer account setup on the tuya web site. I got the list of device ids, and de…

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## [Node-Red Dashboard - Localhost:1880/ui Connection Refused / Archlinux / Raspberrypi 4](https://discourse.nodered.org/t/node-red-dashboard-localhost-1880-ui-connection-refused-archlinux-raspberrypi-4/30567)

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**Author:** [@lwlagrange](https://discourse.nodered.org/u/lwlagrange)\
**Replies:** 4\
**Last updated:** [24 July 2020 01:56 UTC](https://discourse.nodered.org/t/node-red-dashboard-localhost-1880-ui-connection-refused-archlinux-raspberrypi-4/30567 "2020-07-24T01:56:45Z")

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Greetings! I have an issue with accessing the node-red dashboard on the host machine via http://localhost:1880/ui. This port is accessible via other machines on the network but when I try to access the dashboard directl…

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## [Problem with suddenly turn off the lights (HUE Motion Sensor)](https://discourse.nodered.org/t/problem-with-suddenly-turn-off-the-lights-hue-motion-sensor/28045)

<div class="topic-metadata">

**Author:** [@cairon](https://discourse.nodered.org/u/cairon)\
**Replies:** 5\
**Last updated:** [23 July 2020 21:57 UTC](https://discourse.nodered.org/t/problem-with-suddenly-turn-off-the-lights-hue-motion-sensor/28045 "2020-07-23T21:57:44Z")

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Hi there, Hi there, I have a very painful problem with my light configuration. As you can see in the follwing picture an flow json I configured my kitchen light with a hue motion sensor an a stop timer. Unfortunately…

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## [Faced weird thing with Dashboard-\>template](https://discourse.nodered.org/t/faced-weird-thing-with-dashboard-template/7845)

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**Author:** [@me6ran](https://discourse.nodered.org/u/me6ran)\
**Replies:** 7\
**Last updated:** [23 July 2020 21:45 UTC](https://discourse.nodered.org/t/faced-weird-thing-with-dashboard-template/7845 "2020-07-23T21:45:52Z")

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I am using code below (in picture) to show my array (msg.payload) in my template node, but the weird thing I have faced is, it is not showing any arrays when I use "limitTo:msg.len", but when I changed the "msg.len" to a…

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## [How do you integrate Nodered into a VUE project](https://discourse.nodered.org/t/how-do-you-integrate-nodered-into-a-vue-project/30579)

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**Author:** [@youyou](https://discourse.nodered.org/u/youyou)\
**Replies:** 2\
**Last updated:** [23 July 2020 21:45 UTC](https://discourse.nodered.org/t/how-do-you-integrate-nodered-into-a-vue-project/30579 "2020-07-23T21:45:42Z")

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How do you integrate Nodered into a VUE project

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## [RED.utils.getObjectProperty expected output](https://discourse.nodered.org/t/red-utils-getobjectproperty-expected-output/30634)

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**Author:** [@gemini86](https://discourse.nodered.org/u/gemini86)\
**Replies:** 3\
**Last updated:** [23 July 2020 20:58 UTC](https://discourse.nodered.org/t/red-utils-getobjectproperty-expected-output/30634 "2020-07-23T20:58:10Z")

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Would there be any reason why this function shouldn't always return undefined if any one of the properties in the chain is undefined? Example: var msg = {payload: {bar: 'last call'}}; RED.util.getObjectProperty(msg, 'p…

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## [Help cleaning up data from DHT11 sensor with Arduino](https://discourse.nodered.org/t/help-cleaning-up-data-from-dht11-sensor-with-arduino/29677)

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**Author:** [@keithfm](https://discourse.nodered.org/u/keithfm)\
**Replies:** 2\
**Last updated:** [23 July 2020 20:16 UTC](https://discourse.nodered.org/t/help-cleaning-up-data-from-dht11-sensor-with-arduino/29677 "2020-07-23T20:16:40Z")

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Hello, I am trying to make an application that sends the temperature and humidity of a room via telegram. I have a telegram bot in another node, but I can't seem to get the basics right. I used this code for getting the…

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## [Azure Blob Node - \> uploads get mixed up when using two or more simultaneously](https://discourse.nodered.org/t/azure-blob-node-uploads-get-mixed-up-when-using-two-or-more-simultaneously/13071)

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**Author:** [@xoani](https://discourse.nodered.org/u/xoani)\
**Replies:** 2\
**Last updated:** [23 July 2020 20:08 UTC](https://discourse.nodered.org/t/azure-blob-node-uploads-get-mixed-up-when-using-two-or-more-simultaneously/13071 "2020-07-23T20:08:17Z")

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Hello. I am using the Save Blob Azure Node to upload incomind data every 5 seconds. The data is processed differently in 3 different nodes, and all of them upload the data at the end. If two of the nodes reach the "Save …

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## [Modules not compiling](https://discourse.nodered.org/t/modules-not-compiling/30572)

<div class="topic-metadata">

**Author:** [@chuckf201](https://discourse.nodered.org/u/chuckf201)\
**Replies:** 11\
**Last updated:** [23 July 2020 17:53 UTC](https://discourse.nodered.org/t/modules-not-compiling/30572 "2020-07-23T17:53:13Z")

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I've just updated node-red to V1.1.2 and NodeJS to V1.15.0. npm v is 6.14.7 22 Jul 20:12:42 - \[error\] \[Bme280:7ae83153.39fe6\] Error: The module '/home/pi/.node-red/node\_modules/bme280-sensor/node\_modules/i2c-bus/build/…

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## [Custom node not able to make request to api with a self-signed certificate](https://discourse.nodered.org/t/custom-node-not-able-to-make-request-to-api-with-a-self-signed-certificate/29739)

<div class="topic-metadata">

**Author:** [@jennyeg](https://discourse.nodered.org/u/jennyeg)\
**Replies:** 5\
**Last updated:** [23 July 2020 17:21 UTC](https://discourse.nodered.org/t/custom-node-not-able-to-make-request-to-api-with-a-self-signed-certificate/29739 "2020-07-23T17:21:13Z")

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Hello! I am new to node-red and am currently working on creating a custom node that makes several https requests to an API in order to get a JSON response in return. I am having trouble making these requests because the …

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## [Last message comparation with new message](https://discourse.nodered.org/t/last-message-comparation-with-new-message/30511)

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**Author:** [@lalo](https://discourse.nodered.org/u/lalo)\
**Replies:** 13\
**Last updated:** [23 July 2020 15:46 UTC](https://discourse.nodered.org/t/last-message-comparation-with-new-message/30511 "2020-07-23T15:46:36Z")

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Hi I want to have a function or node to read values from a sensor so it will be like a comparation between the last msg on payload with the new one to se the difference for example if the read from 5 seconds before was 5…

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## [Dashboard ui\_control: show / enable Tabs using variable not hard-coded](https://discourse.nodered.org/t/dashboard-ui-control-show-enable-tabs-using-variable-not-hard-coded/30577)

<div class="topic-metadata">

**Author:** [@paulkeates](https://discourse.nodered.org/u/paulkeates)\
**Replies:** 4\
**Last updated:** [23 July 2020 15:41 UTC](https://discourse.nodered.org/t/dashboard-ui-control-show-enable-tabs-using-variable-not-hard-coded/30577 "2020-07-23T15:41:17Z")

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Hi, Windows 10. Node-RED 1.1.2. Dashboard 2.22.1 I have a flow that works very well. It uses Dashboard to display multiple Tabs each with a unique name. "ui\_control" lets me hide / show & jump to tabs very easily. E…

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## [Getting two pi's to talk over node red as a heatbeat](https://discourse.nodered.org/t/getting-two-pis-to-talk-over-node-red-as-a-heatbeat/30561)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 4\
**Last updated:** [23 July 2020 10:49 UTC](https://discourse.nodered.org/t/getting-two-pis-to-talk-over-node-red-as-a-heatbeat/30561 "2020-07-23T10:49:42Z")

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Hello all, Im trying to make a heartbeat programme between two pis, where if the node red programme on one ends then the other pi will reboot the pi with the node red running on it? The two pis need to be connected via …

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## [MSSQL-PLUS - passing array to UDT parameter (TVP param in a stored procedure)](https://discourse.nodered.org/t/mssql-plus-passing-array-to-udt-parameter-tvp-param-in-a-stored-procedure/30049)

<div class="topic-metadata">

**Author:** [@dhanasekar](https://discourse.nodered.org/u/dhanasekar)\
**Replies:** 22\
**Last updated:** [23 July 2020 12:47 UTC](https://discourse.nodered.org/t/mssql-plus-passing-array-to-udt-parameter-tvp-param-in-a-stored-procedure/30049 "2020-07-23T12:47:31Z")

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Hi, I am trying to execute stored procedure which is having UDT parameter using node-red-contrib-mssql-plus node. the query i used is, exec Rolemaanagement '{{{payload.name}}}',{{{payload.id}}},{{{payload}}}; The …

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## [Ping to a different Pi via NodeRED](https://discourse.nodered.org/t/ping-to-a-different-pi-via-nodered/30591)

<div class="topic-metadata">

**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 14\
**Last updated:** [23 July 2020 12:35 UTC](https://discourse.nodered.org/t/ping-to-a-different-pi-via-nodered/30591 "2020-07-23T12:35:06Z")

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I\`m looking for a way to get two pis to ping to each other via ethernet cable, I was wondering what node I would use for this exactly? :slight\_smile: Any help would be much appreciated

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