# Latest

**URL:** https://discourse.nodered.org/latest.md?page=215

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

**Page:** 216

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## [How to write a file with a "Byte Order Mark"?](https://discourse.nodered.org/t/how-to-write-a-file-with-a-byte-order-mark/86464)

<div class="topic-metadata">

**Author:** [@Yury](https://discourse.nodered.org/u/Yury)\
**Replies:** 6\
**Last updated:** [25 March 2024 09:51 UTC](https://discourse.nodered.org/t/how-to-write-a-file-with-a-byte-order-mark/86464 "2024-03-25T09:51:31Z")

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Hello. How to use the "file" node to write a file with a "Byte Order Mark" ? Or how to do it using fs.writeFileSync() ? I am grateful in advance.

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## [SQL Select statement returning object name in the result with Node-Red](https://discourse.nodered.org/t/sql-select-statement-returning-object-name-in-the-result-with-node-red/86722)

<div class="topic-metadata">

**Author:** [@richard.vince](https://discourse.nodered.org/u/richard.vince)\
**Replies:** 3\
**Last updated:** [25 March 2024 09:26 UTC](https://discourse.nodered.org/t/sql-select-statement-returning-object-name-in-the-result-with-node-red/86722 "2024-03-25T09:26:14Z")

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Noob here just learning about Node-Red. I have a mysql table with a heap of weather data from my home weather station controlled by a Wemos D1. Its working fine and sending weather data to the Mqqt / Red-node via a JSON…

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## [Title bar (set dimension)](https://discourse.nodered.org/t/title-bar-set-dimension/86420)

<div class="topic-metadata">

**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 14\
**Last updated:** [25 March 2024 08:34 UTC](https://discourse.nodered.org/t/title-bar-set-dimension/86420 "2024-03-25T08:34:43Z")

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Hi, I would like to set the height or hide the title bar, is it possible?

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## [Data inject to AWS timestream from nodered](https://discourse.nodered.org/t/data-inject-to-aws-timestream-from-nodered/86727)

<div class="topic-metadata">

**Author:** [@sumeer](https://discourse.nodered.org/u/sumeer)\
**Replies:** 0\
**Last updated:** [25 March 2024 07:39 UTC](https://discourse.nodered.org/t/data-inject-to-aws-timestream-from-nodered/86727 "2024-03-25T07:39:23Z")

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I want to inject mqtt data to aws timestream database. Multi measure

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## [How to change the time interval for chart display (X-axis) on Dashboard](https://discourse.nodered.org/t/how-to-change-the-time-interval-for-chart-display-x-axis-on-dashboard/86719)

<div class="topic-metadata">

**Author:** [@iotdeveloper1](https://discourse.nodered.org/u/iotdeveloper1)\
**Replies:** 0\
**Last updated:** [24 March 2024 19:08 UTC](https://discourse.nodered.org/t/how-to-change-the-time-interval-for-chart-display-x-axis-on-dashboard/86719 "2024-03-24T19:08:53Z")

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I would like to allow the selection of the time range of the displayed data. The data is not stored anywhere, I wouldn't mind if after setting a longer range the older data would not be displayed, but would be gradually …

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## [Queue-gate (q-gate) question](https://discourse.nodered.org/t/queue-gate-q-gate-question/86576)

<div class="topic-metadata">

**Author:** [@jf64](https://discourse.nodered.org/u/jf64)\
**Replies:** 28\
**Last updated:** [24 March 2024 18:25 UTC](https://discourse.nodered.org/t/queue-gate-q-gate-question/86576 "2024-03-24T18:25:59Z")

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Hi All, Currently I'm facing an issue with queue-gate (AKA node-red-contrib-queue-gate, q-gate) and I hope the problem is already solved by some of you... There is an example with picture at the page of the node: Retai…

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## [Raspberry Pi 5 Support Coming?](https://discourse.nodered.org/t/raspberry-pi-5-support-coming/86546)

<div class="topic-metadata">

**Author:** [@moose](https://discourse.nodered.org/u/moose)\
**Replies:** 20\
**Last updated:** [24 March 2024 16:58 UTC](https://discourse.nodered.org/t/raspberry-pi-5-support-coming/86546 "2024-03-24T16:58:44Z")

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I am going to be using a Hubitat C8 to manage some automation for an external building, and from reading their forums, many people recommend Node-RED as the backbone to their system for continuity and easily setting up w…

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## [New W3C Gauge Component - gifted to the community by hotnipi](https://discourse.nodered.org/t/new-w3c-gauge-component-gifted-to-the-community-by-hotnipi/78557)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 7\
**Last updated:** [24 March 2024 16:22 UTC](https://discourse.nodered.org/t/new-w3c-gauge-component-gifted-to-the-community-by-hotnipi/78557 "2024-03-24T16:22:20Z")

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Hi all, Some of you may have already used @hotnipi's lovely looking gauge before. Search results for 'hotnipi gauge' - Node-RED Forum (nodered.org). But recently he very kindly gifted a W3C web component version of t…

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## [Encountering "JavaScript heap out of memory" and Other Issues with Node-RED](https://discourse.nodered.org/t/encountering-javascript-heap-out-of-memory-and-other-issues-with-node-red/86708)

<div class="topic-metadata">

**Author:** [@KittisakC](https://discourse.nodered.org/u/KittisakC)\
**Replies:** 2\
**Last updated:** [24 March 2024 16:19 UTC](https://discourse.nodered.org/t/encountering-javascript-heap-out-of-memory-and-other-issues-with-node-red/86708 "2024-03-24T16:19:24Z")

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Hello Node-RED Community, I've been encountering a "JavaScript heap out of memory" error in my Node-RED environment. This suggests that my flows might be processing too much data at once or possibly have a memory leak. …

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## [Victron GX Relay MPPT nodes](https://discourse.nodered.org/t/victron-gx-relay-mppt-nodes/86711)

<div class="topic-metadata">

**Author:** [@Sammerdan](https://discourse.nodered.org/u/Sammerdan)\
**Replies:** 6\
**Last updated:** [24 March 2024 16:18 UTC](https://discourse.nodered.org/t/victron-gx-relay-mppt-nodes/86711 "2024-03-24T16:18:43Z")

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Trying hard to achieve the Next: Have got 4 nodes: MPPT AC-In Battery SoC Relay node. What I want: MPPT gives over 200W for 2 minutes: Relay turns on. condition: Battery needs to above 80%. If Battery gets below…

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## [Custom Elements Ui-Template Dashboard 2.0](https://discourse.nodered.org/t/custom-elements-ui-template-dashboard-2-0/85228)

<div class="topic-metadata">

**Author:** [@diegodamaceno](https://discourse.nodered.org/u/diegodamaceno)\
**Replies:** 22\
**Last updated:** [24 March 2024 14:02 UTC](https://discourse.nodered.org/t/custom-elements-ui-template-dashboard-2-0/85228 "2024-03-24T14:02:44Z")

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Leave here your question and element of your creation to publicize the dashboard 2.0 and improve it. @hotNipi

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## [Dashboard 2, ui-template in subflow, accessing subflow properties](https://discourse.nodered.org/t/dashboard-2-ui-template-in-subflow-accessing-subflow-properties/86714)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 4\
**Last updated:** [24 March 2024 13:31 UTC](https://discourse.nodered.org/t/dashboard-2-ui-template-in-subflow-accessing-subflow-properties/86714 "2024-03-24T13:31:24Z")

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I am experimenting with the new ability to include dashboard 2 widgets in a subflow. Am I correct in thinking that, if I have a ui-template in a subflow, that, in order to access the subflow properties inside the templa…

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## [Node red Dashboard-2](https://discourse.nodered.org/t/node-red-dashboard-2/86710)

<div class="topic-metadata">

**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 1\
**Last updated:** [24 March 2024 09:59 UTC](https://discourse.nodered.org/t/node-red-dashboard-2/86710 "2024-03-24T09:59:50Z")

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My dashboard will be used in kiosk mode with multiple displays (No mouse or keyboard for user input) I wan´t to send something like http://dashboard?productA from one client and http://dashboard?productB from another. T…

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## [Restart loop after a mistyped IP address](https://discourse.nodered.org/t/restart-loop-after-a-mistyped-ip-address/86702)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 5\
**Last updated:** [24 March 2024 09:19 UTC](https://discourse.nodered.org/t/restart-loop-after-a-mistyped-ip-address/86702 "2024-03-24T09:19:32Z")

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I am not sure if this is known issue or not. I am integrating Gree AC units in NR and in the device configuration I accidently mistyped the ip to 192.1680.249. Missed the dot after 168. This causes a reboot loop in Node…

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## [Node-red in Linux os unable to control Raspberry pi 4B GPIO](https://discourse.nodered.org/t/node-red-in-linux-os-unable-to-control-raspberry-pi-4b-gpio/86528)

<div class="topic-metadata">

**Author:** [@Henry8](https://discourse.nodered.org/u/Henry8)\
**Replies:** 14\
**Last updated:** [24 March 2024 08:57 UTC](https://discourse.nodered.org/t/node-red-in-linux-os-unable-to-control-raspberry-pi-4b-gpio/86528 "2024-03-24T08:57:18Z")

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Hi Guys! I'm new to Node-red, currently i'm doing a project that need to use raspberry pi 4b gpio pin. However, when i used "node-red-node-pi-gpio" rpi-gpio-out node, it said not available. And I don't know how to contr…

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## [Pico W Incubator](https://discourse.nodered.org/t/pico-w-incubator/86669)

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**Author:** [@badflash](https://discourse.nodered.org/u/badflash)\
**Replies:** 13\
**Last updated:** [23 March 2024 16:39 UTC](https://discourse.nodered.org/t/pico-w-incubator/86669 "2024-03-23T16:39:41Z")

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OK, I'm updating this post. I've built a egg incubator from a junk incubator with a bad temperature controller using a Pi Pico W and Node-Red. The hardware is A Pi Pico W with a couple of soldered terminal blocks, a DS1…

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## [MongoDB access using function nodes, not MongoDB nodes](https://discourse.nodered.org/t/mongodb-access-using-function-nodes-not-mongodb-nodes/86645)

<div class="topic-metadata">

**Author:** [@chrisofCCL](https://discourse.nodered.org/u/chrisofCCL)\
**Replies:** 10\
**Last updated:** [23 March 2024 23:38 UTC](https://discourse.nodered.org/t/mongodb-access-using-function-nodes-not-mongodb-nodes/86645 "2024-03-23T23:38:46Z")

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I'm deploying a node-red flow in a locked down Alpine Linux VM, with node-red starting on boot with no need to login. I want it to be completely tamper proof, so the editor will be disabled. The flow accesses a MongoDB d…

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## [Engine interface](https://discourse.nodered.org/t/engine-interface/86680)

<div class="topic-metadata">

**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\
**Replies:** 1\
**Last updated:** [23 March 2024 20:16 UTC](https://discourse.nodered.org/t/engine-interface/86680 "2024-03-23T20:16:43Z")

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hello i want to make an interface of engine of ship where i want to make an animate engine and his parametres any idea please and thank you

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## [Is it possible to copy and move a folder in Node-Red?](https://discourse.nodered.org/t/is-it-possible-to-copy-and-move-a-folder-in-node-red/86649)

<div class="topic-metadata">

**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 4\
**Last updated:** [23 March 2024 18:33 UTC](https://discourse.nodered.org/t/is-it-possible-to-copy-and-move-a-folder-in-node-red/86649 "2024-03-23T18:33:51Z")

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Is it possible to copy and move a folder in NordRed? I want to copy a folder on Raspberry Pi or Windows and move it to a specific folder. Is there any example of how to copy a folder?

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## [Create a temporary scene in a function](https://discourse.nodered.org/t/create-a-temporary-scene-in-a-function/86692)

<div class="topic-metadata">

**Author:** [@leacho73](https://discourse.nodered.org/u/leacho73)\
**Replies:** 8\
**Last updated:** [23 March 2024 17:43 UTC](https://discourse.nodered.org/t/create-a-temporary-scene-in-a-function/86692 "2024-03-23T17:43:42Z")

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Hi All, I'm trying to create a temporary scene using a function node, but I'm struggling with the data field for the service I am calling to create the scene. Normally the data field, using JSON would look like this: {…

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## [Crypto alert with dashboard](https://discourse.nodered.org/t/crypto-alert-with-dashboard/86676)

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**Author:** [@franz](https://discourse.nodered.org/u/franz)\
**Replies:** 9\
**Last updated:** [23 March 2024 16:12 UTC](https://discourse.nodered.org/t/crypto-alert-with-dashboard/86676 "2024-03-23T16:12:46Z")

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I used node-red-dashboard v.3.6.5 i wanted to make a voice alert via alexa, when the price of a cryptocurrency reaches a certain value. i wrote this flow, but it only works with the first cryptomonrency (tao) in the li…

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## [Timer-Event from Home Assistant in NodeRed](https://discourse.nodered.org/t/timer-event-from-home-assistant-in-nodered/86700)

<div class="topic-metadata">

**Author:** [@Orcmast](https://discourse.nodered.org/u/Orcmast)\
**Replies:** 0\
**Last updated:** [23 March 2024 15:44 UTC](https://discourse.nodered.org/t/timer-event-from-home-assistant-in-nodered/86700 "2024-03-23T15:44:42Z")

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Hello, I have a timer in Home Assistant "timer.laundry" and want to use the event "finished" to do something in Node Red but i have no clue how to get it. The state is only "idle" or "active", how i get the event-state?…

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## [UIBUILDER and URL case sensitivity](https://discourse.nodered.org/t/uibuilder-and-url-case-sensitivity/81019)

<div class="topic-metadata">

**Author:** [@annuello](https://discourse.nodered.org/u/annuello)\
**Replies:** 6\
**Last updated:** [23 March 2024 14:49 UTC](https://discourse.nodered.org/t/uibuilder-and-url-case-sensitivity/81019 "2024-03-23T14:49:07Z")

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I have some uibuilder instances where I use mixed-case in the URL publish point. E.g. "myTarget" When entering the correct URL, everything works as expected. If a user enters the URL with non-matching case (e.g. "myta…

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## [Smooth counting up](https://discourse.nodered.org/t/smooth-counting-up/86685)

<div class="topic-metadata">

**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 5\
**Last updated:** [23 March 2024 12:41 UTC](https://discourse.nodered.org/t/smooth-counting-up/86685 "2024-03-23T12:41:06Z")

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I intend to get the display at left similar (ui-text node) to the gauge (smooth updating from previous value to next value, without jumping to the next value directly. i had asked the question already in the above quer…

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## [Where is Formatting output using JSONata in this example](https://discourse.nodered.org/t/where-is-formatting-output-using-jsonata-in-this-example/86688)

<div class="topic-metadata">

**Author:** [@Xiao](https://discourse.nodered.org/u/Xiao)\
**Replies:** 2\
**Last updated:** [23 March 2024 12:21 UTC](https://discourse.nodered.org/t/where-is-formatting-output-using-jsonata-in-this-example/86688 "2024-03-23T12:21:13Z")

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## [Wrong result from sqlite](https://discourse.nodered.org/t/wrong-result-from-sqlite/85798)

<div class="topic-metadata">

**Author:** [@Chucky2401](https://discourse.nodered.org/u/Chucky2401)\
**Replies:** 7\
**Last updated:** [23 March 2024 08:49 UTC](https://discourse.nodered.org/t/wrong-result-from-sqlite/85798 "2024-03-23T08:49:05Z")

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Hello, I have an annoying issue with sqlite. I have a flow to check if my nVidia Shield is blocked to go on Youtube, I use PiHole to avoid my children to watch YouTube every day. First I count how many records I have …

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## [Change color number](https://discourse.nodered.org/t/change-color-number/86682)

<div class="topic-metadata">

**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\
**Replies:** 1\
**Last updated:** [23 March 2024 07:10 UTC](https://discourse.nodered.org/t/change-color-number/86682 "2024-03-23T07:10:39Z")

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hello i want to know how to change color of texte which is a number with condition which means for example i want if the number injected \< 10 should appear red

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## [FlowFuse with real PLC](https://discourse.nodered.org/t/flowfuse-with-real-plc/86612)

<div class="topic-metadata">

**Author:** [@OKA](https://discourse.nodered.org/u/OKA)\
**Replies:** 5\
**Last updated:** [23 March 2024 01:37 UTC](https://discourse.nodered.org/t/flowfuse-with-real-plc/86612 "2024-03-23T01:37:00Z")

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I have a question on FlowFuse to connect with real PLC. Does FlowFuse have to be installed locally in some PC to connect with real PLC running locally? I tried FlowFuse free edition to connect with an Omron PLC via OPC…

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## [Raspi 5 and mp3 files](https://discourse.nodered.org/t/raspi-5-and-mp3-files/86482)

<div class="topic-metadata">

**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 11\
**Last updated:** [22 March 2024 21:44 UTC](https://discourse.nodered.org/t/raspi-5-and-mp3-files/86482 "2024-03-22T21:44:22Z")

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Hey All, I just upgraded to a Raspberry Pi 5, Buster to Bookworm, and Node-Red 3.0.2 to 3.1.7. I use sounds when motion sensors are triggered and timed events. In the past I used the exec node that called a bash file…

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## [An Android dashboard for Node-red/MQTT?](https://discourse.nodered.org/t/an-android-dashboard-for-node-red-mqtt/86668)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 8\
**Last updated:** [22 March 2024 19:51 UTC](https://discourse.nodered.org/t/an-android-dashboard-for-node-red-mqtt/86668 "2024-03-22T19:51:28Z")

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This looks like a possible alternative to VPNs etc to access a simple dashboard from the internet. The app IoT MQTT Panel (I'm using the free tier) lets you create basic dashboards with charts, buttons, gauges etc, all …

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