# Latest

**URL:** https://discourse.nodered.org/latest.md?page=417

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

**Page:** 418

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## [A Flight Control System to move icon in World Map](https://discourse.nodered.org/t/a-flight-control-system-to-move-icon-in-world-map/72195)

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**Author:** [@Scorpio\_93](https://discourse.nodered.org/u/Scorpio_93)\
**Replies:** 34\
**Last updated:** [17 January 2023 09:19 UTC](https://discourse.nodered.org/t/a-flight-control-system-to-move-icon-in-world-map/72195 "2023-01-17T09:19:31Z")

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Hello all, I am trying to make a flight control system in node red. The description of the project/simulation is as follows: Inject nodes to show or update the position of UAV in the Map A Speed Slider which when the …

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## [Updating location in WorldMap using Speed Slider](https://discourse.nodered.org/t/updating-location-in-worldmap-using-speed-slider/73802)

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**Author:** [@Scorpio\_93](https://discourse.nodered.org/u/Scorpio_93)\
**Replies:** 0\
**Last updated:** [17 January 2023 08:46 UTC](https://discourse.nodered.org/t/updating-location-in-worldmap-using-speed-slider/73802 "2023-01-17T08:46:38Z")

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Hello, I have been working on a project where I am designing a flight control system to control UAV. So far, I have been able to initialize Lat/Lon values from user and update the icon in the Map and move the icon with …

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## [How to provoke node-red flow using other bubble app](https://discourse.nodered.org/t/how-to-provoke-node-red-flow-using-other-bubble-app/73284)

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**Author:** [@nit-cyber](https://discourse.nodered.org/u/nit-cyber)\
**Replies:** 2\
**Last updated:** [17 January 2023 07:44 UTC](https://discourse.nodered.org/t/how-to-provoke-node-red-flow-using-other-bubble-app/73284 "2023-01-17T07:44:16Z")

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I have created a node-red flow and I want to start the flow using a button in bubble. please suggest a way thanks

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## [Accessing dashboard tabs by name](https://discourse.nodered.org/t/accessing-dashboard-tabs-by-name/73068)

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**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 10\
**Last updated:** [17 January 2023 07:39 UTC](https://discourse.nodered.org/t/accessing-dashboard-tabs-by-name/73068 "2023-01-17T07:39:28Z")

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Hi @knolleary This topic has been discussed in the past, but I did not come across any closure. Our projects require dashboard tabs to be rendered into iFrames (via direct URLs) and not be selected from a menu. We curr…

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## [Reading type t thermocouple with mod bus](https://discourse.nodered.org/t/reading-type-t-thermocouple-with-mod-bus/73741)

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**Author:** [@jaredlgeorge](https://discourse.nodered.org/u/jaredlgeorge)\
**Replies:** 3\
**Last updated:** [17 January 2023 07:23 UTC](https://discourse.nodered.org/t/reading-type-t-thermocouple-with-mod-bus/73741 "2023-01-17T07:23:43Z")

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I am trying to read type t thermocouples with mod bus. I am not sure what function node I need and don’t know how to configure. Below is the info from the manufacturer of the thermocouples.

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## [User Research on Node-RED](https://discourse.nodered.org/t/user-research-on-node-red/71558)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 2\
**Last updated:** [17 January 2023 03:00 UTC](https://discourse.nodered.org/t/user-research-on-node-red/71558 "2023-01-17T03:00:19Z")

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Wearing my Node-RED and FlowForge hats at the same time, I'm looking to do some user research in the community. I'd like to learn more about how you use Node-RED, what you think we could be doing better as a project and…

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## [Save inject interval time (resetting everytime)](https://discourse.nodered.org/t/save-inject-interval-time-resetting-everytime/73759)

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**Author:** [@nivong](https://discourse.nodered.org/u/nivong)\
**Replies:** 4\
**Last updated:** [16 January 2023 21:57 UTC](https://discourse.nodered.org/t/save-inject-interval-time-resetting-everytime/73759 "2023-01-16T21:57:03Z")

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So I have this inject node, injecting every 12 minutes with Home Assistant node red addon. The only thing is it has to keep injecting every 12 minutes and should not be any longer or shorter, even after a reboot it shoul…

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## [Join with different number of inputs](https://discourse.nodered.org/t/join-with-different-number-of-inputs/73775)

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**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 3\
**Last updated:** [16 January 2023 20:59 UTC](https://discourse.nodered.org/t/join-with-different-number-of-inputs/73775 "2023-01-16T20:59:44Z")

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Hello, I would like to implement correct nodered way of joining messages. There are 4 droplists and elements can be selected from all 4 independent from each other. After selection is finished, button in dashboard is pr…

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## [Context (Storage) File lock issue during restart of Node](https://discourse.nodered.org/t/context-storage-file-lock-issue-during-restart-of-node/73743)

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**Author:** [@jakonnode](https://discourse.nodered.org/u/jakonnode)\
**Replies:** 1\
**Last updated:** [16 January 2023 20:39 UTC](https://discourse.nodered.org/t/context-storage-file-lock-issue-during-restart-of-node/73743 "2023-01-16T20:39:21Z")

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Background: On the edge device for guaranteed delivery, I use File ContextStorage. On a regular basis, the file gets used, the edge device gets rebooted for some uncontrollable reasons sometimes but the node-red service…

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## [Best platform for Node red](https://discourse.nodered.org/t/best-platform-for-node-red/10499)

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**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 16\
**Last updated:** [16 January 2023 20:10 UTC](https://discourse.nodered.org/t/best-platform-for-node-red/10499 "2023-01-16T20:10:15Z")

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This is a question with probably many answers but I'll as anyway. I'm about to set up a node red system to present dashboards from mainly OPUA and MSSQL data. To host this I'll set up a virtual Linux server. What exper…

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## [AndroidTv : Using google home to change a tv channel on Nvidia shield, using helpers and node red](https://discourse.nodered.org/t/androidtv-using-google-home-to-change-a-tv-channel-on-nvidia-shield-using-helpers-and-node-red/73777)

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**Author:** [@ronyn77](https://discourse.nodered.org/u/ronyn77)\
**Replies:** 0\
**Last updated:** [16 January 2023 19:31 UTC](https://discourse.nodered.org/t/androidtv-using-google-home-to-change-a-tv-channel-on-nvidia-shield-using-helpers-and-node-red/73777 "2023-01-16T19:31:29Z")

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Hello, I have an Nvidia shield (android TV). I have installed correctly the google integration so I can see all the home assistant entities in google home app on my phone. I want to trigger google home with a channel n…

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## [Pass Placeholder string via msg to ui\_dropdown](https://discourse.nodered.org/t/pass-placeholder-string-via-msg-to-ui-dropdown/73773)

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**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 1\
**Last updated:** [16 January 2023 18:27 UTC](https://discourse.nodered.org/t/pass-placeholder-string-via-msg-to-ui-dropdown/73773 "2023-01-16T18:27:49Z")

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Based on this link node-red-dashboard/config-fields.md at master · node-red/node-red-dashboard · GitHub it should be possible to assign text to placeholder msg.place, but it doesn't work My end goal is to have dynamic t…

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## [Next Release Planned - when?](https://discourse.nodered.org/t/next-release-planned-when/73710)

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**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 2\
**Last updated:** [16 January 2023 17:42 UTC](https://discourse.nodered.org/t/next-release-planned-when/73710 "2023-01-16T17:42:36Z")

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Guys, Can you give some tentative indication of when is the next release planned ? And what are the contents most likely it will have ?

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## [Influx db node throws RequestTimesOut error](https://discourse.nodered.org/t/influx-db-node-throws-requesttimesout-error/73753)

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**Author:** [@NeetaJ](https://discourse.nodered.org/u/NeetaJ)\
**Replies:** 8\
**Last updated:** [16 January 2023 15:54 UTC](https://discourse.nodered.org/t/influx-db-node-throws-requesttimesout-error/73753 "2023-01-16T15:54:50Z")

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I am trying to get data from influxdb but i get request timed out error. Could you kindly help \[{"id":"66b9a2774e39b79b","type":"http in","z":"95c455e1841b6220","name":"","url":"/api/getP1LastOneHrData/:chipID/","meth…

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## [Discussion about a new Dashboard](https://discourse.nodered.org/t/discussion-about-a-new-dashboard/51119)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 197\
**Last updated:** [16 January 2023 15:33 UTC](https://discourse.nodered.org/t/discussion-about-a-new-dashboard/51119 "2023-01-16T15:33:29Z")

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In case anyone is not aware - the Node-RED Dashboard is built upon Angular v1. This is going End Of Life (EOL) at the end of this year (December 2021) - and from then on will receive no updates. This means that any secur…

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## [Control Ikea lamp (color switch, ww, dimmer)](https://discourse.nodered.org/t/control-ikea-lamp-color-switch-ww-dimmer/73756)

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**Author:** [@manjha](https://discourse.nodered.org/u/manjha)\
**Replies:** 1\
**Last updated:** [16 January 2023 15:28 UTC](https://discourse.nodered.org/t/control-ikea-lamp-color-switch-ww-dimmer/73756 "2023-01-16T15:28:03Z")

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I have several Ikea Zigbee lamps (dimmable, color selection cool/warm white) set up in Domoticz. Would like to control these lamps from Node-Red, setting both dim-level and color. Is there a way to do this? Am using a…

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## ['how can I separate multiple images and texts sent via FPT](https://discourse.nodered.org/t/how-can-i-separate-multiple-images-and-texts-sent-via-fpt/73757)

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**Author:** [@Alvarum](https://discourse.nodered.org/u/Alvarum)\
**Replies:** 1\
**Last updated:** [16 January 2023 15:13 UTC](https://discourse.nodered.org/t/how-can-i-separate-multiple-images-and-texts-sent-via-fpt/73757 "2023-01-16T15:13:24Z")

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With the FTP node I send several images and texts from an IP camera to node-red at the same time as a buffer, how can I separate them to show them individually? I hope you can help me, thank you very much in advance!

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## [How to make a counter just using function node only?](https://discourse.nodered.org/t/how-to-make-a-counter-just-using-function-node-only/73695)

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**Author:** [@atiki.nokin](https://discourse.nodered.org/u/atiki.nokin)\
**Replies:** 7\
**Last updated:** [15 January 2023 15:54 UTC](https://discourse.nodered.org/t/how-to-make-a-counter-just-using-function-node-only/73695 "2023-01-15T15:54:17Z")

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In this case i just want to make some simple counter but not using some node counter but only using function and this my flows and this my json \[ { "id": "dbacc92cfb48e54e", "type": "function", …

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## [Problem to convert signed hexadecimal to float](https://discourse.nodered.org/t/problem-to-convert-signed-hexadecimal-to-float/73410)

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**Author:** [@David321](https://discourse.nodered.org/u/David321)\
**Replies:** 16\
**Last updated:** [16 January 2023 10:56 UTC](https://discourse.nodered.org/t/problem-to-convert-signed-hexadecimal-to-float/73410 "2023-01-16T10:56:02Z")

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Hello, I am working on a node red project, and I want to read a voltage value. The problem is that the value I'm reading is a signed hexadecimal value, which doesn't give me the right voltage value. I would like to co…

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## [Node-Red Email in 2023](https://discourse.nodered.org/t/node-red-email-in-2023/73480)

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**Author:** [@jgreenmt](https://discourse.nodered.org/u/jgreenmt)\
**Replies:** 44\
**Last updated:** [16 January 2023 10:36 UTC](https://discourse.nodered.org/t/node-red-email-in-2023/73480 "2023-01-16T10:36:33Z")

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Hello all, I am late to the party it seems but I am having issues with sending and receiving emails in Node-Red. I have read many other forum posts discussing the various changes to Gmail and Outlook that have made it d…

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## [NR/MQTT and node 'function' to build modified payload](https://discourse.nodered.org/t/nr-mqtt-and-node-function-to-build-modified-payload/73728)

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**Author:** [@gNeandr](https://discourse.nodered.org/u/gNeandr)\
**Replies:** 6\
**Last updated:** [16 January 2023 06:40 UTC](https://discourse.nodered.org/t/nr-mqtt-and-node-function-to-build-modified-payload/73728 "2023-01-16T06:40:37Z")

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Starting with NR is probably not as easy as I thought. While I have a (good) javascript background, I am at a loss here: Task: From a MQTT status query I get an object. From certain elements a new payload should be fo…

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## [Programmatic checkbox entries](https://discourse.nodered.org/t/programmatic-checkbox-entries/73731)

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**Author:** [@chris.willing](https://discourse.nodered.org/u/chris.willing)\
**Replies:** 2\
**Last updated:** [16 January 2023 03:44 UTC](https://discourse.nodered.org/t/programmatic-checkbox-entries/73731 "2023-01-16T03:44:35Z")

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There was an interesting example given here (thanks @marcus-j-davies), showing how to create varying numbers of checkbox items when configuring a node. That thread is closed, therefore this new question. I'd like to do …

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## [Scrolling to top of the window](https://discourse.nodered.org/t/scrolling-to-top-of-the-window/73677)

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**Author:** [@olius](https://discourse.nodered.org/u/olius)\
**Replies:** 3\
**Last updated:** [16 January 2023 00:45 UTC](https://discourse.nodered.org/t/scrolling-to-top-of-the-window/73677 "2023-01-16T00:45:50Z")

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Hello, I'm trying to get the client web browser to scroll to the top of the screen whenever I switch tabs using my dashboard. I've tried wiring an ui\_control node to an ui\_template node with javascript code in it to do…

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## [Serialport not connected](https://discourse.nodered.org/t/serialport-not-connected/73713)

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**Author:** [@hermes127](https://discourse.nodered.org/u/hermes127)\
**Replies:** 17\
**Last updated:** [15 January 2023 21:50 UTC](https://discourse.nodered.org/t/serialport-not-connected/73713 "2023-01-15T21:50:23Z")

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Hi, I can't connect a Victron BMV700 to Node Red. Node Red is installed on a Raspberry Pi 2B with the last Raspbian OS and with the command: bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/ma…

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## [Filter Records from Mysql](https://discourse.nodered.org/t/filter-records-from-mysql/73726)

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**Author:** [@ankit.prasad](https://discourse.nodered.org/u/ankit.prasad)\
**Replies:** 1\
**Last updated:** [15 January 2023 21:19 UTC](https://discourse.nodered.org/t/filter-records-from-mysql/73726 "2023-01-15T21:19:51Z")

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MQTT Data is \[{"device\_mac":"BC572900A0CD","temp":24.56,"humidty":50.81,"rssi":-83,"ver":1,"x0":-968,"y0":-359,"z0":-93,"type":1,"time":1673811297266000000},{"host":"BC572900A0CD"}\] \[{"device\_mac":"BC572900A052","temp":…

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## [\[Proposal\] Support of Inline Figure in Markdown Editor](https://discourse.nodered.org/t/proposal-support-of-inline-figure-in-markdown-editor/72666)

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**Author:** [@nisiyama](https://discourse.nodered.org/u/nisiyama)\
**Replies:** 21\
**Last updated:** [15 January 2023 21:08 UTC](https://discourse.nodered.org/t/proposal-support-of-inline-figure-in-markdown-editor/72666 "2023-01-15T21:08:03Z")

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Each node in Node-RED flow can be given its description in Markdown. Including figures in the document really help the reader to understand what the flow developer wants to describe. However, current Node-RED editor do…

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## [Uibuilder Sunday fun: Saving the state of dynamically changed web pages](https://discourse.nodered.org/t/uibuilder-sunday-fun-saving-the-state-of-dynamically-changed-web-pages/73721)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [15 January 2023 21:00 UTC](https://discourse.nodered.org/t/uibuilder-sunday-fun-saving-the-state-of-dynamically-changed-web-pages/73721 "2023-01-15T21:00:36Z")

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So here was my fun exercise for today - rewarding myself for having done some more uibuilder documentation updates ready for the v6.1.0 release (coming soon - honest!). It occurred to me that caching data you want to se…

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## [Json Parsing how to extract the values, using best possible shortest code](https://discourse.nodered.org/t/json-parsing-how-to-extract-the-values-using-best-possible-shortest-code/73386)

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**Author:** [@ankit.prasad](https://discourse.nodered.org/u/ankit.prasad)\
**Replies:** 16\
**Last updated:** [15 January 2023 19:26 UTC](https://discourse.nodered.org/t/json-parsing-how-to-extract-the-values-using-best-possible-shortest-code/73386 "2023-01-15T19:26:10Z")

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Need Some Guidance in how to parse the requested Data Need to extract temperature and humidity of all mac address

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## [Boolean Function](https://discourse.nodered.org/t/boolean-function/73678)

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**Author:** [@interscope101](https://discourse.nodered.org/u/interscope101)\
**Replies:** 20\
**Last updated:** [15 January 2023 19:15 UTC](https://discourse.nodered.org/t/boolean-function/73678 "2023-01-15T19:15:09Z")

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Hi, I am trying to find the simplest approach to code the following. I have a Boolean function statement checking the state of multiple variables: if (a \> 2 && b \>7 && c \<5) { } and for each variable I have a Boolean…

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## [Parse input mqtt from nodemcu](https://discourse.nodered.org/t/parse-input-mqtt-from-nodemcu/73676)

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**Author:** [@Suslik](https://discourse.nodered.org/u/Suslik)\
**Replies:** 14\
**Last updated:** [15 January 2023 18:07 UTC](https://discourse.nodered.org/t/parse-input-mqtt-from-nodemcu/73676 "2023-01-15T18:07:44Z")

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Hello Together, I am new in using node-red and need your help. I have this one as input as mqqt in node-red and i am interesting in getting an output value just for the Power\_curr value.´ The change node does not wo…

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