# Latest

**URL:** https://discourse.nodered.org/latest.md?page=259

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

**Page:** 260

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## [Node-red-node-markdown to match editor version?](https://discourse.nodered.org/t/node-red-node-markdown-to-match-editor-version/83896)

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**Author:** [@lgrkvst](https://discourse.nodered.org/u/lgrkvst)\
**Replies:** 1\
**Last updated:** [21 December 2023 06:39 UTC](https://discourse.nodered.org/t/node-red-node-markdown-to-match-editor-version/83896 "2023-12-21T06:39:49Z")

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I just noticed that node-red-node-markdown isn't using the same version as the editor when generating html. I'm trying to generate checkboxes using: - \[x\] Checked - \[ \] Unchecked ...which in the editor yields: Ch…

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## [Dashboard on ESP32-3 possible?](https://discourse.nodered.org/t/dashboard-on-esp32-3-possible/83890)

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**Author:** [@Maximus1](https://discourse.nodered.org/u/Maximus1)\
**Replies:** 3\
**Last updated:** [20 December 2023 22:11 UTC](https://discourse.nodered.org/t/dashboard-on-esp32-3-possible/83890 "2023-12-20T22:11:03Z")

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hi is it possible to display the dashboard on an ESP32-S3 with touch-display?

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## [Achieving Debug Window Unity Utopia?](https://discourse.nodered.org/t/achieving-debug-window-unity-utopia/83870)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 6\
**Last updated:** [20 December 2023 21:54 UTC](https://discourse.nodered.org/t/achieving-debug-window-unity-utopia/83870 "2023-12-20T21:54:03Z")

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I don't know about others, but I am always setting up debug nodes to see if I can catch some message here or there. Sometimes I'll nip off to make coffee and my laptop will go to sleep, then I'm annoyed that I've missed…

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## [Node-RED in docker but using Host Networking Mode](https://discourse.nodered.org/t/node-red-in-docker-but-using-host-networking-mode/83889)

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**Author:** [@HeneryH](https://discourse.nodered.org/u/HeneryH)\
**Replies:** 5\
**Last updated:** [20 December 2023 21:38 UTC](https://discourse.nodered.org/t/node-red-in-docker-but-using-host-networking-mode/83889 "2023-12-20T21:38:10Z")

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I have previous attempts of Home Assistant where HA would NOT detect various IoT devices that broadcast their availability. The problem in that scenario was that docker does not pass the IoT broadcast messages on throug…

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## [NodeRed OpcUa PLC - READ MULTIPLE Can't split after OpcUaClient](https://discourse.nodered.org/t/nodered-opcua-plc-read-multiple-cant-split-after-opcuaclient/83869)

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**Author:** [@Sunraku](https://discourse.nodered.org/u/Sunraku)\
**Replies:** 3\
**Last updated:** [20 December 2023 20:49 UTC](https://discourse.nodered.org/t/nodered-opcua-plc-read-multiple-cant-split-after-opcuaclient/83869 "2023-12-20T20:49:13Z")

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Hello As a lot of others topic, I hope I will get my answer here :slight\_smile: I would like to read data from a plc. I tried with the node 'Read' but it need an OpcUa-Client for each variable I want to read, and my pl…

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## [\[SOLVED\] NGROK: end of support for V2: how do you update to V3?](https://discourse.nodered.org/t/solved-ngrok-end-of-support-for-v2-how-do-you-update-to-v3/83815)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 8\
**Last updated:** [20 December 2023 20:29 UTC](https://discourse.nodered.org/t/solved-ngrok-end-of-support-for-v2-how-do-you-update-to-v3/83815 "2023-12-20T20:29:57Z")

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To make NR and its dashboard accessible everywhere, a few years ago, I installed NGROK on my Raspberry pi. Not being very comfortable with LINUX (it still hasn't changed :sweat\_smile:), I followed this tutorial (without …

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## [Node-red-node-mongodb and wildcards](https://discourse.nodered.org/t/node-red-node-mongodb-and-wildcards/83876)

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**Author:** [@chrisofCCL](https://discourse.nodered.org/u/chrisofCCL)\
**Replies:** 4\
**Last updated:** [20 December 2023 19:57 UTC](https://discourse.nodered.org/t/node-red-node-mongodb-and-wildcards/83876 "2023-12-20T19:57:37Z")

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First time on this forum for ages and i have a tricky MongoDB query. I'm using the node-red-node-mongodb nodes and I want to perform a query using wildcards. From the documentation, I have come up with the following as …

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## [Hardware compatibility](https://discourse.nodered.org/t/hardware-compatibility/83879)

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**Author:** [@msuchta](https://discourse.nodered.org/u/msuchta)\
**Replies:** 5\
**Last updated:** [20 December 2023 17:08 UTC](https://discourse.nodered.org/t/hardware-compatibility/83879 "2023-12-20T17:08:44Z")

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Hi, I'm writing diploma project and i need some information about how many microcontrollers i can program with Node-RED. I know that i can use Raspberry Pi, Arduino boards, Beagle Bones, and what about other microcontrol…

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## [Unusual log startup following upgrade to 3.1.3/node20](https://discourse.nodered.org/t/unusual-log-startup-following-upgrade-to-3-1-3-node20/83868)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 6\
**Last updated:** [20 December 2023 17:08 UTC](https://discourse.nodered.org/t/unusual-log-startup-following-upgrade-to-3-1-3-node20/83868 "2023-12-20T17:08:33Z")

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Just upgraded my main Pi NR instance to 3.1.3 and node 20 and noticed that I don't get the normal start-up info (Welcome to NR and port info stuff) pi@pi128gb:~/.node-red $ node-red 20 Dec 11:16:01 - \[warn\] Projects dis…

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## [Trying to read load of hx711 on raspberry pi](https://discourse.nodered.org/t/trying-to-read-load-of-hx711-on-raspberry-pi/83836)

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**Author:** [@mebner98](https://discourse.nodered.org/u/mebner98)\
**Replies:** 5\
**Last updated:** [20 December 2023 16:56 UTC](https://discourse.nodered.org/t/trying-to-read-load-of-hx711-on-raspberry-pi/83836 "2023-12-20T16:56:38Z")

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Hello, i am pretty new in the node red topic and currently trying to get the weight of my hx711 load sensor in node-red but i am not able to do it. I saw that there is the palette node-red-contrib-hx711 which looked easy…

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## [Gemini-Pro chat interface with conversation support](https://discourse.nodered.org/t/gemini-pro-chat-interface-with-conversation-support/83874)

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**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 0\
**Last updated:** [20 December 2023 16:22 UTC](https://discourse.nodered.org/t/gemini-pro-chat-interface-with-conversation-support/83874 "2023-12-20T16:22:33Z")

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There is now an alternate flow available for interacting with Googles Gemini-Pro model that supports multi turn conversations that can be found here Requires Node.js v18+ Requires installation of @google/generative-…

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## [Dashboard 2.0 Chart - Remove dots on lines?](https://discourse.nodered.org/t/dashboard-2-0-chart-remove-dots-on-lines/83871)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [20 December 2023 15:38 UTC](https://discourse.nodered.org/t/dashboard-2-0-chart-remove-dots-on-lines/83871 "2023-12-20T15:38:58Z")

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Is it possible to remove the dots on the line chart? I have a chart with a couple of hundred points and the effect on a small display is just a thick line as the dots merge together. D1 chart provided this via the Enla…

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## [Filter node is not working as (I) expected](https://discourse.nodered.org/t/filter-node-is-not-working-as-i-expected/83859)

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**Author:** [@realtebo](https://discourse.nodered.org/u/realtebo)\
**Replies:** 6\
**Last updated:** [20 December 2023 14:16 UTC](https://discourse.nodered.org/t/filter-node-is-not-working-as-i-expected/83859 "2023-12-20T14:16:28Z")

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I've a filter node, set up as is Very often, more than once daily, this node is re-emitting the same identical value from the same topic. I'm not using a big number of topics here, \< 30. What should I do to diagnose…

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## [Ps-strategy-lowest-price](https://discourse.nodered.org/t/ps-strategy-lowest-price/83590)

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**Author:** [@Shwowak](https://discourse.nodered.org/u/Shwowak)\
**Replies:** 6\
**Last updated:** [20 December 2023 11:53 UTC](https://discourse.nodered.org/t/ps-strategy-lowest-price/83590 "2023-12-20T11:53:21Z")

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ich möchte den preis ändern per dropdown menü in der config des ps-strategy-lowest-price bekomme es nicht hin \[ { "id": "6b85ac2a45f5b274", "type": "ps-strategy-lowest-price", "z": "256762ae5…

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## [Material icons list](https://discourse.nodered.org/t/material-icons-list/83854)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 2\
**Last updated:** [20 December 2023 10:59 UTC](https://discourse.nodered.org/t/material-icons-list/83854 "2023-12-20T10:59:02Z")

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Hello Can anyone point me to the website which has a list of material-icons and font-awesome icons included with nodered?

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## [Function node sends multiple messages instead of one](https://discourse.nodered.org/t/function-node-sends-multiple-messages-instead-of-one/83843)

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**Author:** [@ChrisG](https://discourse.nodered.org/u/ChrisG)\
**Replies:** 10\
**Last updated:** [20 December 2023 10:26 UTC](https://discourse.nodered.org/t/function-node-sends-multiple-messages-instead-of-one/83843 "2023-12-20T10:26:10Z")

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Hi, Node-Red v3.1.0 I have a simple 'edit function node' which collects values from global variables and formats a message with those values. I want this function to run once a minute so have put a 'inject node' in fr…

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## [Control Led Bar](https://discourse.nodered.org/t/control-led-bar/83849)

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**Author:** [@wiwan-wijoyo](https://discourse.nodered.org/u/wiwan-wijoyo)\
**Replies:** 4\
**Last updated:** [20 December 2023 09:12 UTC](https://discourse.nodered.org/t/control-led-bar/83849 "2023-12-20T09:12:01Z")

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I have android wall with LED Bar, I already to control LED Bar from cmd (adb shell)and working well. android wall IP : 192.168.16.129 port adb : 55555 Connect android wall send command “adb connect 192.168.16.129:555…

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## [I want to pass a message to the outside using REST](https://discourse.nodered.org/t/i-want-to-pass-a-message-to-the-outside-using-rest/83852)

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**Author:** [@takoyaki1211](https://discourse.nodered.org/u/takoyaki1211)\
**Replies:** 1\
**Last updated:** [20 December 2023 08:29 UTC](https://discourse.nodered.org/t/i-want-to-pass-a-message-to-the-outside-using-rest/83852 "2023-12-20T08:29:15Z")

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I want to pass messages externally using REST. I tried the code below. When I checked the execution results in the browser, only the Label item had disappeared. I would like to know the solution. \[ { "id":…

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## [Change colour of button](https://discourse.nodered.org/t/change-colour-of-button/83842)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 6\
**Last updated:** [20 December 2023 08:18 UTC](https://discourse.nodered.org/t/change-colour-of-button/83842 "2023-12-20T08:18:15Z")

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Hello I have the following function which is supposed to set a msg.colour payload to a specific colour for a button that the function feeds in the flow. \` var switch\_colour = ""; var secondpayload = ""; var thirdpayl…

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## [Assistance Needed with Integrating Rasa Chatbot, Node-RED, and SQLite](https://discourse.nodered.org/t/assistance-needed-with-integrating-rasa-chatbot-node-red-and-sqlite/83738)

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**Author:** [@Heezed](https://discourse.nodered.org/u/Heezed)\
**Replies:** 2\
**Last updated:** [20 December 2023 08:17 UTC](https://discourse.nodered.org/t/assistance-needed-with-integrating-rasa-chatbot-node-red-and-sqlite/83738 "2023-12-20T08:17:15Z")

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Hello Node-RED Community, I am currently working on a project that involves integrating a Rasa Chatbot with Node-RED for executing SQLite database queries. As I'm quite new to this, I've encountered some challenges and …

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## [Incorporate a slider into a button](https://discourse.nodered.org/t/incorporate-a-slider-into-a-button/83782)

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**Author:** [@Sirhc](https://discourse.nodered.org/u/Sirhc)\
**Replies:** 4\
**Last updated:** [20 December 2023 07:50 UTC](https://discourse.nodered.org/t/incorporate-a-slider-into-a-button/83782 "2023-12-20T07:50:55Z")

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Thanks heaps - that did the trick. Another query, is there a way to have a slider incorporated into a button? Similar to this:

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## [Tutorial - Read a sensor by running a Node-RED flow on an ESP32 via node-red-mcu](https://discourse.nodered.org/t/tutorial-read-a-sensor-by-running-a-node-red-flow-on-an-esp32-via-node-red-mcu/77171)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 11\
**Last updated:** [20 December 2023 07:35 UTC](https://discourse.nodered.org/t/tutorial-read-a-sensor-by-running-a-node-red-flow-on-an-esp32-via-node-red-mcu/77171 "2023-12-20T07:35:21Z")

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Hi folks, With a lot of help from @phoddie and @ralphwetzel, I managed at last to measure distances from a HC-SR04 sensor by running node-red-mcu on my WT32-ETH01 board. So the least I could do is write down how we did…

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## [How to clear debug message from a node or function](https://discourse.nodered.org/t/how-to-clear-debug-message-from-a-node-or-function/17844)

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**Author:** [@birdbrain2734](https://discourse.nodered.org/u/birdbrain2734)\
**Replies:** 8\
**Last updated:** [20 December 2023 02:41 UTC](https://discourse.nodered.org/t/how-to-clear-debug-message-from-a-node-or-function/17844 "2023-12-20T02:41:21Z")

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Been searching but I don't see a way to clear the debug message bar "programmatically"--either via a node or via JavaScript within a function. Is it possible?

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## [Motion Sensing Time Range Problem](https://discourse.nodered.org/t/motion-sensing-time-range-problem/83795)

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**Author:** [@syrag](https://discourse.nodered.org/u/syrag)\
**Replies:** 4\
**Last updated:** [19 December 2023 19:27 UTC](https://discourse.nodered.org/t/motion-sensing-time-range-problem/83795 "2023-12-19T19:27:07Z")

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Node Red noob here, so I suspect I've done something dumb or just missed a detail somewhere. I started with kgalilio's motion triggered lights flow. It is working to turn my lights on and off; however the Time Range do…

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## [A Simple Gemini-Pro chat interface](https://discourse.nodered.org/t/a-simple-gemini-pro-chat-interface/83825)

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**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 9\
**Last updated:** [19 December 2023 19:18 UTC](https://discourse.nodered.org/t/a-simple-gemini-pro-chat-interface/83825 "2023-12-19T19:18:04Z")

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I've created a basic flow for an interface for Google's Gemini-Pro model API that can be found here

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## [IC2 library for TCA9548A](https://discourse.nodered.org/t/ic2-library-for-tca9548a/83772)

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**Author:** [@edduda1](https://discourse.nodered.org/u/edduda1)\
**Replies:** 4\
**Last updated:** [19 December 2023 18:30 UTC](https://discourse.nodered.org/t/ic2-library-for-tca9548a/83772 "2023-12-19T18:30:57Z")

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Hello, What is the best library to use if I am going to read sensors from the TCA9548A. I have to look at 8 sensors at once all with the same address.

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## [Crafting Robust Node-RED Code per Custom ChatGPT Instructions](https://discourse.nodered.org/t/crafting-robust-node-red-code-per-custom-chatgpt-instructions/83824)

<div class="topic-metadata">

**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 2\
**Last updated:** [19 December 2023 18:09 UTC](https://discourse.nodered.org/t/crafting-robust-node-red-code-per-custom-chatgpt-instructions/83824 "2023-12-19T18:09:08Z")

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Hey Node-RED community! I've been diving deep into ChatGPT for some time now and tailored a set of custom instructions to streamline my JavaScript coding for Node-RED function nodes. I'd love to get your thoughts and fe…

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## [Why are the contents of files deleted?](https://discourse.nodered.org/t/why-are-the-contents-of-files-deleted/83767)

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**Author:** [@nowomanman](https://discourse.nodered.org/u/nowomanman)\
**Replies:** 37\
**Last updated:** [19 December 2023 18:04 UTC](https://discourse.nodered.org/t/why-are-the-contents-of-files-deleted/83767 "2023-12-19T18:04:56Z")

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Hi, I have installed Node Red with Docker on a Raspberry Pi 4. I have a chart in which I display temperatures as a graph. Since this chart was often empty at the beginning, I was looking for a way to save the data. I …

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## [Creation and development of components using ui-template for Dashboard 2](https://discourse.nodered.org/t/creation-and-development-of-components-using-ui-template-for-dashboard-2/83675)

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**Author:** [@diegodamaceno](https://discourse.nodered.org/u/diegodamaceno)\
**Replies:** 18\
**Last updated:** [19 December 2023 16:19 UTC](https://discourse.nodered.org/t/creation-and-development-of-components-using-ui-template-for-dashboard-2/83675 "2023-12-19T16:19:45Z")

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Below is an example of a 100% configurable and operational OBS button. Each button needs a "key" which can be configured in data ex. a1, a2... \<template\> \<v-btn ref="botao" stacked @click="alternar"\> Exter…

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## [Weather Display and Apocalypse Meter](https://discourse.nodered.org/t/weather-display-and-apocalypse-meter/83747)

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**Author:** [@Robotguy](https://discourse.nodered.org/u/Robotguy)\
**Replies:** 7\
**Last updated:** [19 December 2023 16:10 UTC](https://discourse.nodered.org/t/weather-display-and-apocalypse-meter/83747 "2023-12-19T16:10:39Z")

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I made a weather display with an LED strip and an ESP32 that runs from MQTT messages sent from Node Red. It shows (from top to bottom): Alerts (system alerts, unused as of yet) Wind speed (Off--\>Green--\>Yellow--Red) …

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