# Latest

**URL:** https://discourse.nodered.org/latest.md?page=834

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

**Page:** 835

---

## [Trigger node wording "extend delay if new message arrives"](https://discourse.nodered.org/t/trigger-node-wording-extend-delay-if-new-message-arrives/44421)

<div class="topic-metadata">

**Author:** [@bubleeshaark](https://discourse.nodered.org/u/bubleeshaark)\
**Replies:** 2\
**Last updated:** [20 April 2021 00:57 UTC](https://discourse.nodered.org/t/trigger-node-wording-extend-delay-if-new-message-arrives/44421 "2021-04-20T00:57:09Z")

</div>

Hello all, As a newb to node-red I found this trigger node's option extremely confusing. There is a boolean on there to extend delay if new message arrives But the actual behavior is to restart delay if new message …

---

## [How would I create this sensor template on the Node-RED dashboard?](https://discourse.nodered.org/t/how-would-i-create-this-sensor-template-on-the-node-red-dashboard/44368)

<div class="topic-metadata">

**Author:** [@ConnorThomp](https://discourse.nodered.org/u/ConnorThomp)\
**Replies:** 2\
**Last updated:** [19 April 2021 21:48 UTC](https://discourse.nodered.org/t/how-would-i-create-this-sensor-template-on-the-node-red-dashboard/44368 "2021-04-19T21:48:08Z")

</div>

I am trying to create a Node-RED dashboard for my smart home. I am wanting to create a widget that looks like the image below (sorry for the poor quality), but I don't know how to get the icon between the label and value…

---

## [Function definition in \`on start\` works but I'm not sure](https://discourse.nodered.org/t/function-definition-in-on-start-works-but-im-not-sure/44401)

<div class="topic-metadata">

**Author:** [@cflurin](https://discourse.nodered.org/u/cflurin)\
**Replies:** 6\
**Last updated:** [19 April 2021 20:23 UTC](https://discourse.nodered.org/t/function-definition-in-on-start-works-but-im-not-sure/44401 "2021-04-19T20:23:05Z")

</div>

I defined some sub functions I use in a function node in the tab on start, it works but I'm not sure wheather ii's allowed. on start: pad = function (number) { if (number \< 10) { return '0' + number; } return…

---

## [Fs file lister with synology](https://discourse.nodered.org/t/fs-file-lister-with-synology/44388)

<div class="topic-metadata">

**Author:** [@alexander77](https://discourse.nodered.org/u/alexander77)\
**Replies:** 8\
**Last updated:** [19 April 2021 20:13 UTC](https://discourse.nodered.org/t/fs-file-lister-with-synology/44388 "2021-04-19T20:13:26Z")

</div>

Hi, i would like to use a media player on my raspi (running node red) playing files from my synology drive. I used hard coding of the path (not via msg) in the form afp://mysynology.local/video mysynology is a placefo…

---

## [Jsonata + moment troubles](https://discourse.nodered.org/t/jsonata-moment-troubles/44405)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 7\
**Last updated:** [19 April 2021 18:57 UTC](https://discourse.nodered.org/t/jsonata-moment-troubles/44405 "2021-04-19T18:57:33Z")

</div>

I am a bit lost with jsonata and moment. Input data example: \[ \[1618243200000, 5.45, 5.45, 5.2, 5.2\], \[1618257600000, 4.98, 4.99, 4.96, 4.96\], \[1618272000000, 4.88, 4.88, 4.67, 4.69\], \[1618286400000, 4.…

---

## [Different results running command manually or in exec node](https://discourse.nodered.org/t/different-results-running-command-manually-or-in-exec-node/44234)

<div class="topic-metadata">

**Author:** [@hobbes1069](https://discourse.nodered.org/u/hobbes1069)\
**Replies:** 20\
**Last updated:** [19 April 2021 19:40 UTC](https://discourse.nodered.org/t/different-results-running-command-manually-or-in-exec-node/44234 "2021-04-19T19:40:34Z")

</div>

I'm trying to run a program with command line parameters put together by node red. When executed from node red I always get "File Not Found" (exit code 4) but if I run the exact same command from cmd.exe it works (exit c…

---

## [2021-04-27: 5PM US CT: Node-RED and Google Cloud](https://discourse.nodered.org/t/2021-04-27-5pm-us-ct-node-red-and-google-cloud/44413)

<div class="topic-metadata">

**Author:** [@kolban](https://discourse.nodered.org/u/kolban)\
**Replies:** 0\
**Last updated:** [19 April 2021 18:12 UTC](https://discourse.nodered.org/t/2021-04-27-5pm-us-ct-node-red-and-google-cloud/44413 "2021-04-19T18:12:02Z")

</div>

The local Google Developer Group - Cloud for the Dallas/Fort Worth area in Texas in the US is hosting a session on Node-RED running on Google Cloud Platform. It will illustrate the value of Node-RED (for those folks f…

---

## [Listen to chanel for keyword publish to own bot](https://discourse.nodered.org/t/listen-to-chanel-for-keyword-publish-to-own-bot/44406)

<div class="topic-metadata">

**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 3\
**Last updated:** [19 April 2021 15:26 UTC](https://discourse.nodered.org/t/listen-to-chanel-for-keyword-publish-to-own-bot/44406 "2021-04-19T15:26:25Z")

</div>

Hello i would like to listen to a chanel with my Node Red Telegram Node as soon a keyword is found it will send it to my own Telegram bot. is this possible and how to listen to a chanel? have a nice day vinc

---

## [Split a value into two values](https://discourse.nodered.org/t/split-a-value-into-two-values/43864)

<div class="topic-metadata">

**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 22\
**Last updated:** [19 April 2021 12:22 UTC](https://discourse.nodered.org/t/split-a-value-into-two-values/43864 "2021-04-19T12:22:43Z")

</div>

Hi guys, today I have a very simple question for you: I´ve a value that varies between +2600 and -2500. I would like to distinguish this into two new values: if \<0 than var "Unloading", if\> 0 than var "Loading". but …

---

## [Can't recover mail adresse UI\_FORM](https://discourse.nodered.org/t/cant-recover-mail-adresse-ui-form/44392)

<div class="topic-metadata">

**Author:** [@lyred](https://discourse.nodered.org/u/lyred)\
**Replies:** 6\
**Last updated:** [19 April 2021 13:57 UTC](https://discourse.nodered.org/t/cant-recover-mail-adresse-ui-form/44392 "2021-04-19T13:57:37Z")

</div>

hello, I want to use a ui\_form to insert my email address and when I click on the "submit" button the address mentioned will be transferred to the "mail" node but I cannot recover this address with the msg.payload

---

## [Ultrasonic Sensor and node-red-node-pisrf](https://discourse.nodered.org/t/ultrasonic-sensor-and-node-red-node-pisrf/44194)

<div class="topic-metadata">

**Author:** [@mzsolnay](https://discourse.nodered.org/u/mzsolnay)\
**Replies:** 13\
**Last updated:** [19 April 2021 13:54 UTC](https://discourse.nodered.org/t/ultrasonic-sensor-and-node-red-node-pisrf/44194 "2021-04-19T13:54:49Z")

</div>

Hi ! Built a project with ultrasonic sensor to check water level. Works fine. pisrf gives distance to water level in cm. Is there a way to change it to mm, or give the cm value a decimal? Thanks for any advice.

---

## [Sending HTML table as CSV via E-Mail event based](https://discourse.nodered.org/t/sending-html-table-as-csv-via-e-mail-event-based/44403)

<div class="topic-metadata">

**Author:** [@Georg25](https://discourse.nodered.org/u/Georg25)\
**Replies:** 0\
**Last updated:** [19 April 2021 12:49 UTC](https://discourse.nodered.org/t/sending-html-table-as-csv-via-e-mail-event-based/44403 "2021-04-19T12:49:44Z")

</div>

Hi guys, I have a new project. In this project, I collect the error messages of my system. I collect these with date, time, error level and description in a html-table to visualisate it on the dashboard. \[{"id":"dee16…

---

## [Best / most stable OS and Hardware for NodeRed?](https://discourse.nodered.org/t/best-most-stable-os-and-hardware-for-nodered/8679)

<div class="topic-metadata">

**Author:** [@Flixm](https://discourse.nodered.org/u/Flixm)\
**Replies:** 44\
**Last updated:** [19 April 2021 12:47 UTC](https://discourse.nodered.org/t/best-most-stable-os-and-hardware-for-nodered/8679 "2021-04-19T12:47:32Z")

</div>

Hi, this time i´m working a lot with NodeRed on an Raspberry with Rasbian installed. Sometimes i´m note sure if this is really a stable device (sd-card etc) ... but which OS / Hardware is the best and most stable to us…

---

## [Automatically Refresh Dashboard](https://discourse.nodered.org/t/automatically-refresh-dashboard/44379)

<div class="topic-metadata">

**Author:** [@Kartiknodered](https://discourse.nodered.org/u/Kartiknodered)\
**Replies:** 1\
**Last updated:** [19 April 2021 11:51 UTC](https://discourse.nodered.org/t/automatically-refresh-dashboard/44379 "2021-04-19T11:51:52Z")

</div>

Hello developers, I am new to node red and I want to ask how can i show changes on my dashboard automatically. actually the scene is my project is connect with MQTT broker and it also send push notification when I chan…

---

## [Save Dashboard Login or URL parameters possible?](https://discourse.nodered.org/t/save-dashboard-login-or-url-parameters-possible/44394)

<div class="topic-metadata">

**Author:** [@DerMega](https://discourse.nodered.org/u/DerMega)\
**Replies:** 0\
**Last updated:** [19 April 2021 09:34 UTC](https://discourse.nodered.org/t/save-dashboard-login-or-url-parameters-possible/44394 "2021-04-19T09:34:03Z")

</div>

Hey Guys, in need help to increase the WAF (wife acceptance factor) over here :smiley: Ich crated a dashboard for switching our lights and plugs. The dashboard is secured by username and password. I somehow managed to…

---

## [CSV skips boolean false values](https://discourse.nodered.org/t/csv-skips-boolean-false-values/44346)

<div class="topic-metadata">

**Author:** [@nrnoob](https://discourse.nodered.org/u/nrnoob)\
**Replies:** 3\
**Last updated:** [19 April 2021 09:05 UTC](https://discourse.nodered.org/t/csv-skips-boolean-false-values/44346 "2021-04-19T09:05:51Z")

</div>

I am using the CSV node to convert a JSON object containing an array to CSV. However, when the array contains boolean values (false, true), the node's output skips the false values. This is my test flow \` \[{"id":"d5dfd…

---

## [Custom Http Post Node](https://discourse.nodered.org/t/custom-http-post-node/44384)

<div class="topic-metadata">

**Author:** [@jake123](https://discourse.nodered.org/u/jake123)\
**Replies:** 0\
**Last updated:** [19 April 2021 07:15 UTC](https://discourse.nodered.org/t/custom-http-post-node/44384 "2021-04-19T07:15:40Z")

</div>

I want to create a node that has a dropdown of some data. I managed to create such dropdown and now i want to make a post request for each data i select in my Dropdown. How would i do that. EDIT: Is this good ? RED…

---

## [Dashboard- svg problem](https://discourse.nodered.org/t/dashboard-svg-problem/44215)

<div class="topic-metadata">

**Author:** [@JeromeVISUALS](https://discourse.nodered.org/u/JeromeVISUALS)\
**Replies:** 5\
**Last updated:** [19 April 2021 07:58 UTC](https://discourse.nodered.org/t/dashboard-svg-problem/44215 "2021-04-19T07:58:18Z")

</div>

Hi all ! I want to use the contrib-ui-svg to get the SVG layout from a hardware controller. I have a test file which is working great in chrome browser, and also tested fine in Method Draw Vector Editor : However I …

---

## [Can't append JQuery fetch result in Dropdown Box in HTML nodeRED](https://discourse.nodered.org/t/cant-append-jquery-fetch-result-in-dropdown-box-in-html-nodered/44365)

<div class="topic-metadata">

**Author:** [@sarthak7034](https://discourse.nodered.org/u/sarthak7034)\
**Replies:** 2\
**Last updated:** [19 April 2021 07:33 UTC](https://discourse.nodered.org/t/cant-append-jquery-fetch-result-in-dropdown-box-in-html-nodered/44365 "2021-04-19T07:33:51Z")

</div>

I am fetching results using JQuery, I can see the results on the console but can't push it into the dropdown box. \<script type="text/javascript"\> RED.nodes.registerType('uni-red',{ category: …

---

## [Separate timestamp](https://discourse.nodered.org/t/separate-timestamp/44377)

<div class="topic-metadata">

**Author:** [@lehoangtrung](https://discourse.nodered.org/u/lehoangtrung)\
**Replies:** 2\
**Last updated:** [19 April 2021 07:14 UTC](https://discourse.nodered.org/t/separate-timestamp/44377 "2021-04-19T07:14:10Z")

</div>

Hello, I am building an IoT project. I need timing query from Timestamp. Ex: Timestamp -\> 1618809944697 So, how can i separate this Timestamp into year, month, day, hour, ... help me please.

---

## [Node-red-contrib-epi-bluetooth.. How?](https://discourse.nodered.org/t/node-red-contrib-epi-bluetooth-how/44376)

<div class="topic-metadata">

**Author:** [@JereLehtonen](https://discourse.nodered.org/u/JereLehtonen)\
**Replies:** 0\
**Last updated:** [19 April 2021 05:32 UTC](https://discourse.nodered.org/t/node-red-contrib-epi-bluetooth-how/44376 "2021-04-19T05:32:23Z")

</div>

Hello all! Could someone demonstrate how do you receive and subscribe Bluetooth messages with this node? In the documentations there's saying that the writable data should be JSON strings that needs to be 20 byte packet…

---

## [Synchronizing multiple data on Google Spreadsheet Node RED](https://discourse.nodered.org/t/synchronizing-multiple-data-on-google-spreadsheet-node-red/44261)

<div class="topic-metadata">

**Author:** [@lehoangtrung](https://discourse.nodered.org/u/lehoangtrung)\
**Replies:** 2\
**Last updated:** [19 April 2021 05:29 UTC](https://discourse.nodered.org/t/synchronizing-multiple-data-on-google-spreadsheet-node-red/44261 "2021-04-19T05:29:56Z")

</div>

Hello, I am working on an IoT project for temperature data collection using Node RED. My data is uploaded to Gsheet. I have 2 temperature sensors. So, how can I synchronize that data? It means the same timestamp maybe…

---

## [How to display data from Mysql database in dashboard with text input](https://discourse.nodered.org/t/how-to-display-data-from-mysql-database-in-dashboard-with-text-input/44256)

<div class="topic-metadata">

**Author:** [@omarjalel](https://discourse.nodered.org/u/omarjalel)\
**Replies:** 4\
**Last updated:** [19 April 2021 03:21 UTC](https://discourse.nodered.org/t/how-to-display-data-from-mysql-database-in-dashboard-with-text-input/44256 "2021-04-19T03:21:50Z")

</div>

Hi all, I have a flow where I want to display a specific data from my database after submitting the form with a number (named NBT) which is the first column in the table in my database. I do the select query and the t…

---

## [Problem Connecting to Tuya Device](https://discourse.nodered.org/t/problem-connecting-to-tuya-device/44248)

<div class="topic-metadata">

**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 6\
**Last updated:** [17 April 2021 22:41 UTC](https://discourse.nodered.org/t/problem-connecting-to-tuya-device/44248 "2021-04-17T22:41:52Z")

</div>

I use the node-red-contrib-tuya-smart-device node to connect to my Tuya devices and up until a few days ago everything was fine. However, the node now no longer connects to the devices. I do not think that it is either …

---

## [Node red and docker and mount](https://discourse.nodered.org/t/node-red-and-docker-and-mount/44227)

<div class="topic-metadata">

**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 3\
**Last updated:** [18 April 2021 20:38 UTC](https://discourse.nodered.org/t/node-red-and-docker-and-mount/44227 "2021-04-18T20:38:14Z")

</div>

I am busy with dockering my domotica environment. I use the following compose-file and dockerfile to docker nodered and some dependencies Questions i have: i like to mount a usb drive to node-red to store camera-dat…

---

## [Mysql data in OPC-UA server](https://discourse.nodered.org/t/mysql-data-in-opc-ua-server/44104)

<div class="topic-metadata">

**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 0\
**Last updated:** [13 April 2021 12:56 UTC](https://discourse.nodered.org/t/mysql-data-in-opc-ua-server/44104 "2021-04-13T12:56:05Z")

</div>

Hi, I am using "mysql" node and get data in node-red. While I have a "UPC-UA" server node and it shows the node and values. My question is how can i transfer the "mysql" data to "OPC-UA" server.

---

## [Change color on icon](https://discourse.nodered.org/t/change-color-on-icon/44121)

<div class="topic-metadata">

**Author:** [@lelle](https://discourse.nodered.org/u/lelle)\
**Replies:** 33\
**Last updated:** [18 April 2021 19:01 UTC](https://discourse.nodered.org/t/change-color-on-icon/44121 "2021-04-18T19:01:36Z")

</div>

Hello everybody! I am new to both NR and this forum, so I hope someone can give me a solution. I am using Rpi 3 with NR 0.19.5 , Sonoff-SV with Tasmota and Mosquitto. I have mounted 2 magnetic sensors. One Opened and …

---

## [Simple push button](https://discourse.nodered.org/t/simple-push-button/44357)

<div class="topic-metadata">

**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 1\
**Last updated:** [18 April 2021 18:22 UTC](https://discourse.nodered.org/t/simple-push-button/44357 "2021-04-18T18:22:55Z")

</div>

Hi, when I start the web page, the button´s label is not shown. It's only shown if the button is pressed and then the it stays on. How do I fix it? TIA \[ { "id": "315df55e.e5e2da", "type": "functio…

---

## [Can't get my nodes to show up in the pallette](https://discourse.nodered.org/t/cant-get-my-nodes-to-show-up-in-the-pallette/44359)

<div class="topic-metadata">

**Author:** [@jcarreira](https://discourse.nodered.org/u/jcarreira)\
**Replies:** 4\
**Last updated:** [18 April 2021 17:22 UTC](https://discourse.nodered.org/t/cant-get-my-nodes-to-show-up-in-the-pallette/44359 "2021-04-18T17:22:01Z")

</div>

I've got my node building and unit testing. I've npm installed it and it's created a symlink to my project. When I go into Node-RED though, the node doesn't show up in my palette and when I go to manage my palette it doe…

---

## [Capturing input messages with node-red-node-test-helper not working](https://discourse.nodered.org/t/capturing-input-messages-with-node-red-node-test-helper-not-working/43596)

<div class="topic-metadata">

**Author:** [@jens\_rossbach](https://discourse.nodered.org/u/jens_rossbach)\
**Replies:** 6\
**Last updated:** [18 April 2021 17:16 UTC](https://discourse.nodered.org/t/capturing-input-messages-with-node-red-node-test-helper-not-working/43596 "2021-04-18T17:16:47Z")

</div>

Hi, recently I started writing unit tests for my Node-RED nodes. I'm using node-red-node-test-helper and already implemented a couple of tests which work just fine. But now I got stuck implementing a test which involve…

[Previous page](https://discourse.nodered.org/latest.md?page=833)

[Next page](https://discourse.nodered.org/latest.md?page=835)