# Latest **URL:** https://discourse.nodered.org/latest.md?page=728 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 729 --- ## [UI-Template img tag not getting message in one flow, but works in another](https://discourse.nodered.org/t/ui-template-img-tag-not-getting-message-in-one-flow-but-works-in-another/51412)

**Author:** [@eki](https://discourse.nodered.org/u/eki)\ **Replies:** 7\ **Last updated:** [23 September 2021 21:37 UTC](https://discourse.nodered.org/t/ui-template-img-tag-not-getting-message-in-one-flow-but-works-in-another/51412 "2021-09-23T21:37:59Z")

As you can see from this flow image, the preview node is displaying the base64 image. So, the data in the payload is good. Here is the ui-template: \ (function($scope) { $scope.$watch('msg.payload'… --- ## [Notifications History](https://discourse.nodered.org/t/notifications-history/51414)

**Author:** [@\_iJunior](https://discourse.nodered.org/u/_iJunior)\ **Replies:** 9\ **Last updated:** [23 September 2021 17:53 UTC](https://discourse.nodered.org/t/notifications-history/51414 "2021-09-23T17:53:21Z")

Hello people! I would like to know if it is possible to create some widget on the dashboard to show the history of received notifications, for example the last 5, do you know how I can do this? Or if it's possible at lea… --- ## [Extracting data from a TTN payload for insertion into MariadB](https://discourse.nodered.org/t/extracting-data-from-a-ttn-payload-for-insertion-into-mariadb/51381)

**Author:** [@moonlight](https://discourse.nodered.org/u/moonlight)\ **Replies:** 11\ **Last updated:** [23 September 2021 12:08 UTC](https://discourse.nodered.org/t/extracting-data-from-a-ttn-payload-for-insertion-into-mariadb/51381 "2021-09-23T12:08:49Z")

Gooday, I have a SenseCAP LoRa barometer connected to The Things Network and trying to extract the payload delivered by a MQTT node. The payload(one big object) is as follows: 22/09/2021, 19:29:38\[node: c820ff3f.fc1bf\](… --- ## [Response header 'success'](https://discourse.nodered.org/t/response-header-success/51434)

**Author:** [@ketpa](https://discourse.nodered.org/u/ketpa)\ **Replies:** 2\ **Last updated:** [23 September 2021 11:38 UTC](https://discourse.nodered.org/t/response-header-success/51434 "2021-09-23T11:38:16Z")

I have that situation Node-red is a Server, and I have to create response with header I created \[{"id":"d44b102d.310108","type":"http in","z":"15ff44a1.77852b","name":"","url":"/czujnik","method":"post","upload":fal… --- ## [FTP Image Download Issue](https://discourse.nodered.org/t/ftp-image-download-issue/51427)

**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\ **Replies:** 5\ **Last updated:** [23 September 2021 11:18 UTC](https://discourse.nodered.org/t/ftp-image-download-issue/51427 "2021-09-23T11:18:02Z")

Hello Folks, Currently working on a project that involves downloading a jpeg file from FTP server. I have set up and connected the server properly. I am now stuck trying to download the jpegs. When using the GET operat… --- ## [Insert a space or comma in the middle of a 4-digit number](https://discourse.nodered.org/t/insert-a-space-or-comma-in-the-middle-of-a-4-digit-number/51245)

**Author:** [@Learn](https://discourse.nodered.org/u/Learn)\ **Replies:** 10\ **Last updated:** [23 September 2021 10:56 UTC](https://discourse.nodered.org/t/insert-a-space-or-comma-in-the-middle-of-a-4-digit-number/51245 "2021-09-23T10:56:07Z")

Hi guys I have on a Tasmota device a Tuyasend command which from 1605 to 1660. I need to separate the 16 from the other 2 values (temperature) with a space or a comma. Is there a simple command or function node to make … --- ## [My whishlist of features for version 2.1](https://discourse.nodered.org/t/my-whishlist-of-features-for-version-2-1/51425)

**Author:** [@madwill](https://discourse.nodered.org/u/madwill)\ **Replies:** 2\ **Last updated:** [23 September 2021 10:39 UTC](https://discourse.nodered.org/t/my-whishlist-of-features-for-version-2-1/51425 "2021-09-23T10:39:42Z")

Hello there, I had been using NodeRed for over one year in our company, a small urban farm. It allow us to drive watering, lightening, ventilation (and many others features) for our growing units. All above features ar… --- ## [Developing nodes: How to avoid or detect emitted client messages bouncing back?](https://discourse.nodered.org/t/developing-nodes-how-to-avoid-or-detect-emitted-client-messages-bouncing-back/51436)

**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\ **Replies:** 0\ **Last updated:** [23 September 2021 10:37 UTC](https://discourse.nodered.org/t/developing-nodes-how-to-avoid-or-detect-emitted-client-messages-bouncing-back/51436 "2021-09-23T10:37:40Z")

I think I asked this question before but still have no definite solution. Problem: A client emits a message. This will be transmitted to all connected clients including the emitter. In some cases it is useful to detect … --- ## [Deconz: triggering the pairing mode?](https://discourse.nodered.org/t/deconz-triggering-the-pairing-mode/51433)

**Author:** [@slurpey](https://discourse.nodered.org/u/slurpey)\ **Replies:** 0\ **Last updated:** [23 September 2021 10:21 UTC](https://discourse.nodered.org/t/deconz-triggering-the-pairing-mode/51433 "2021-09-23T10:21:34Z")

Hi, would anyone have an idea on how to trigger the pairing mode (lights, sensors, switches) from Deconz within an action in node-red? --- ## [Displaying pictures via template node](https://discourse.nodered.org/t/displaying-pictures-via-template-node/50999)

**Author:** [@nerevar](https://discourse.nodered.org/u/nerevar)\ **Replies:** 3\ **Last updated:** [23 September 2021 10:20 UTC](https://discourse.nodered.org/t/displaying-pictures-via-template-node/50999 "2021-09-23T10:20:36Z")

Hello, I'm having problems in displaying pictures on node-red dashboard. I'm using template node to display an image from hosting service. Image is an PNG converted from PDF, resolution is full HD (in width) without ba… --- ## [Unexpected Join-node behaviour: Join got triggered N times by N message parts](https://discourse.nodered.org/t/unexpected-join-node-behaviour-join-got-triggered-n-times-by-n-message-parts/51415)

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\ **Replies:** 9\ **Last updated:** [23 September 2021 10:00 UTC](https://discourse.nodered.org/t/unexpected-join-node-behaviour-join-got-triggered-n-times-by-n-message-parts/51415 "2021-09-23T10:00:41Z")

I'm working on joining multiple inputs into a single trigger message. However, I noticed that the Join node gets triggered N times by the N message parts. Please see my test flow below The Inject is configured this … --- ## [How to Get Navigator "userAgent" Property](https://discourse.nodered.org/t/how-to-get-navigator-useragent-property/51409)

**Author:** [@Jean-Luc](https://discourse.nodered.org/u/Jean-Luc)\ **Replies:** 8\ **Last updated:** [23 September 2021 08:56 UTC](https://discourse.nodered.org/t/how-to-get-navigator-useragent-property/51409 "2021-09-23T08:56:02Z")

hello, I would like to get the information contained in the Navigator userAgent Property. I used the code provided by the w3schools.com website. I put this one in a template node. On the screen on the dashboard of my p… --- ## [Open node red dashboard on startup raspberry](https://discourse.nodered.org/t/open-node-red-dashboard-on-startup-raspberry/51416)

**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\ **Replies:** 2\ **Last updated:** [23 September 2021 08:21 UTC](https://discourse.nodered.org/t/open-node-red-dashboard-on-startup-raspberry/51416 "2021-09-23T08:21:46Z")

Hi all I'm programming a dashboard in node red in raspberryand I would like to open it on touch screen at startup. In particular I don't want users see the node red code. For these reason I would add a password too to ac… --- ## [How To Modify Dashboard Button To Alternate Color / Text?](https://discourse.nodered.org/t/how-to-modify-dashboard-button-to-alternate-color-text/20710)

**Author:** [@Randy](https://discourse.nodered.org/u/Randy)\ **Replies:** 9\ **Last updated:** [23 September 2021 06:28 UTC](https://discourse.nodered.org/t/how-to-modify-dashboard-button-to-alternate-color-text/20710 "2021-09-23T06:28:32Z")

I have a push button that I would like to modify so it will alternate text and color with each press. Such as text ON with red background and OFF with green background. And naturally send the appropriate payload. Current… --- ## [How to use node-red Group in version 0.28 old version](https://discourse.nodered.org/t/how-to-use-node-red-group-in-version-0-28-old-version/50997)

**Author:** [@limengsong](https://discourse.nodered.org/u/limengsong)\ **Replies:** 2\ **Last updated:** [23 September 2021 04:45 UTC](https://discourse.nodered.org/t/how-to-use-node-red-group-in-version-0-28-old-version/50997 "2021-09-23T04:45:11Z")

how to use node-red Group in version 0.28 old version --- ## [Custom headers in email node](https://discourse.nodered.org/t/custom-headers-in-email-node/51410)

**Author:** [@JDN](https://discourse.nodered.org/u/JDN)\ **Replies:** 1\ **Last updated:** [22 September 2021 22:09 UTC](https://discourse.nodered.org/t/custom-headers-in-email-node/51410 "2021-09-22T22:09:33Z")

is there a way to add custom header entries to the email output? --- ## [Template node not auto loading website widget](https://discourse.nodered.org/t/template-node-not-auto-loading-website-widget/51291)

**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\ **Replies:** 11\ **Last updated:** [22 September 2021 21:58 UTC](https://discourse.nodered.org/t/template-node-not-auto-loading-website-widget/51291 "2021-09-22T21:58:42Z")

Hello I have a template node with the following code (ignore the #'s): #\ **Author:** [@\_iJunior](https://discourse.nodered.org/u/_iJunior)\ **Replies:** 6\ **Last updated:** [22 September 2021 21:51 UTC](https://discourse.nodered.org/t/how-to-organize-the-function-node-ibm-watson/51401 "2021-09-22T21:51:40Z") Hello friends! I'm currently doing a project sending data from Watson IBM IoT to Cloudant through Node-Red, however, the data arrives in the database all separately, like in the photo. I would like to know how I can … --- ## [How to have different properties of sensors under each sensor id in mqqt message in node red](https://discourse.nodered.org/t/how-to-have-different-properties-of-sensors-under-each-sensor-id-in-mqqt-message-in-node-red/51408)

**Author:** [@Energycharges](https://discourse.nodered.org/u/Energycharges)\ **Replies:** 2\ **Last updated:** [22 September 2021 21:09 UTC](https://discourse.nodered.org/t/how-to-have-different-properties-of-sensors-under-each-sensor-id-in-mqqt-message-in-node-red/51408 "2021-09-22T21:09:15Z")

how to re- arrange the details of each sensor under its sensor\_id in a function node (as given below) after a buffer parser to send it to a mqqt broker. { "Time": "2021-09-14T08:08:07.434Z", "Location\_id" = 1 { … --- ## [Multiple UI pages](https://discourse.nodered.org/t/multiple-ui-pages/1271)

**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\ **Replies:** 5\ **Last updated:** [22 September 2021 20:24 UTC](https://discourse.nodered.org/t/multiple-ui-pages/1271 "2021-09-22T20:24:55Z")

Node Red is simply awesome. Been work with it and very impressed. I did run into a problem and not sure where to search. Here is what we are looking to do: UI Page 1: We want a UI Page where users can enter names in… --- ## [Separate Two MQTT Temperature Payloads?](https://discourse.nodered.org/t/separate-two-mqtt-temperature-payloads/51398)

**Author:** [@Choder](https://discourse.nodered.org/u/Choder)\ **Replies:** 6\ **Last updated:** [22 September 2021 20:00 UTC](https://discourse.nodered.org/t/separate-two-mqtt-temperature-payloads/51398 "2021-09-22T20:00:08Z")

How do I separate these two MQTT temp payloads so that I can work with them. I have tried using a function node but, I'm really lost. I have a nodemcu running tasmota with two DS18B20 sensors attached and returning 2 s… --- ## [Enable node actions within subflows](https://discourse.nodered.org/t/enable-node-actions-within-subflows/51402)

**Author:** [@zachsitka](https://discourse.nodered.org/u/zachsitka)\ **Replies:** 3\ **Last updated:** [22 September 2021 19:20 UTC](https://discourse.nodered.org/t/enable-node-actions-within-subflows/51402 "2021-09-22T19:20:20Z")

When I try to use node actions within subflows, I get the Warning: node actions disabled within subflow error. Our project is modularized into subflows to make things more readable and maintainable. I was also hoping th… --- ## [Email notification on new YouTube uploads](https://discourse.nodered.org/t/email-notification-on-new-youtube-uploads/51070)

**Author:** [@H2SO4JB](https://discourse.nodered.org/u/H2SO4JB)\ **Replies:** 27\ **Last updated:** [22 September 2021 18:49 UTC](https://discourse.nodered.org/t/email-notification-on-new-youtube-uploads/51070 "2021-09-22T18:49:35Z")

Hello everyone, I have a question regarding a task that I want Node-RED to help me with. I'm a beginner and know basically nothing about this. Maybe it's very simple, I don't know. I want to receive an email every time… --- ## [DROPDOWN keeps the selected value in memory](https://discourse.nodered.org/t/dropdown-keeps-the-selected-value-in-memory/51215)

**Author:** [@jerome](https://discourse.nodered.org/u/jerome)\ **Replies:** 15\ **Last updated:** [22 September 2021 18:24 UTC](https://discourse.nodered.org/t/dropdown-keeps-the-selected-value-in-memory/51215 "2021-09-22T18:24:19Z")