# Latest

**URL:** https://discourse.nodered.org/latest.md?page=665

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

**Page:** 666

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## [PT2262-in to boolean true](https://discourse.nodered.org/t/pt2262-in-to-boolean-true/55838)

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**Author:** [@NR-Beginner](https://discourse.nodered.org/u/NR-Beginner)\
**Replies:** 7\
**Last updated:** [29 December 2021 20:13 UTC](https://discourse.nodered.org/t/pt2262-in-to-boolean-true/55838 "2021-12-29T20:13:31Z")

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hello insider, a newbie here .... i am stuck. i have a 4 channel remote here, i would like to use it to control 4 philips Hue smartplugs. The smartplugs only respond to boolean true or false I recognize by PT2262-in t…

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## [Node-red-contrib-noble-bluetooth ERR\_DLOPEN\_FAILED](https://discourse.nodered.org/t/node-red-contrib-noble-bluetooth-err-dlopen-failed/55810)

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**Author:** [@Yaro7619](https://discourse.nodered.org/u/Yaro7619)\
**Replies:** 2\
**Last updated:** [29 December 2021 19:50 UTC](https://discourse.nodered.org/t/node-red-contrib-noble-bluetooth-err-dlopen-failed/55810 "2021-12-29T19:50:07Z")

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Hi. I am trying to use node-red-contrib-noble-bluetooth module on Node-RED 2.1.4. Installation of the package and required package @abandonware/noble went flawlessly. Unfortunately, the package is not present on the pa…

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## [Best practices for my Google Home device names (cross room)](https://discourse.nodered.org/t/best-practices-for-my-google-home-device-names-cross-room/55796)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 5\
**Last updated:** [29 December 2021 18:36 UTC](https://discourse.nodered.org/t/best-practices-for-my-google-home-device-names-cross-room/55796 "2021-12-29T18:36:57Z")

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Hi folks, Not 100% Node-RED related, but had a lot of fun today because my node-red-contrib-google-smarthome is finally running. Even my Google Home Mini device - which is lying in my basement unused already for severa…

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## [Change node to set value for each object in array](https://discourse.nodered.org/t/change-node-to-set-value-for-each-object-in-array/55853)

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**Author:** [@peter\_a](https://discourse.nodered.org/u/peter_a)\
**Replies:** 5\
**Last updated:** [29 December 2021 18:09 UTC](https://discourse.nodered.org/t/change-node-to-set-value-for-each-object-in-array/55853 "2021-12-29T18:09:12Z")

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I have a flow context variable that contains an array of objects. Each object has a a key/value pair with key "on" and a boolean value: {"seg": \[ {"id": 0, "on": true}, {"id": 1, "on": true}, {"…

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## [Sending a msg.reset](https://discourse.nodered.org/t/sending-a-msg-reset/55858)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 2\
**Last updated:** [29 December 2021 18:01 UTC](https://discourse.nodered.org/t/sending-a-msg-reset/55858 "2021-12-29T18:01:53Z")

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Hi, I'm trying to send a reset to a shiftregister node. The docs state that I need to send/set a msg.reset but it doesn't work. Where's my error? TIA \[ { "id": "7fa393fdc39736c7", "type": "shift r…

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## [Creating new flow instead of using existing one](https://discourse.nodered.org/t/creating-new-flow-instead-of-using-existing-one/55852)

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**Author:** [@Maximilian](https://discourse.nodered.org/u/Maximilian)\
**Replies:** 4\
**Last updated:** [29 December 2021 16:54 UTC](https://discourse.nodered.org/t/creating-new-flow-instead-of-using-existing-one/55852 "2021-12-29T16:54:00Z")

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Hello, recently for some reason, when node-red gets started, it finds the flow in the directory, but instead it chooses to create a new flow and use that one instead. Can you help with this issue please? Original versi…

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## [Accessing ContextStore of embedded instance of nodered from parent node.js application](https://discourse.nodered.org/t/accessing-contextstore-of-embedded-instance-of-nodered-from-parent-node-js-application/55761)

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**Author:** [@looccaa](https://discourse.nodered.org/u/looccaa)\
**Replies:** 2\
**Last updated:** [29 December 2021 16:07 UTC](https://discourse.nodered.org/t/accessing-contextstore-of-embedded-instance-of-nodered-from-parent-node-js-application/55761 "2021-12-29T16:07:11Z")

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Hi, I am trying to create applicaton in nodejs with embeded node-red instance. Is there any possibility to access (read and write) the ContextStore (global, flow and node cotenxt variables) set in Nodered nodes from pa…

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## [UI Text background color change](https://discourse.nodered.org/t/ui-text-background-color-change/55804)

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**Author:** [@traderjoe](https://discourse.nodered.org/u/traderjoe)\
**Replies:** 5\
**Last updated:** [29 December 2021 15:41 UTC](https://discourse.nodered.org/t/ui-text-background-color-change/55804 "2021-12-29T15:41:02Z")

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I'm trying to change the background color of the UI text. I'm trying to do something like this: I like the way this looks because it adds a lot more color to an otherwise dull dashboard. The original dashboard looks…

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## [Digital twin with node red](https://discourse.nodered.org/t/digital-twin-with-node-red/55823)

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**Author:** [@taj2](https://discourse.nodered.org/u/taj2)\
**Replies:** 3\
**Last updated:** [29 December 2021 15:16 UTC](https://discourse.nodered.org/t/digital-twin-with-node-red/55823 "2021-12-29T15:16:42Z")

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Hi all, I am currently researching digital twins. I would like to know how we can make a digital twin with node red and docker. without the need to use the cloud only in my Raspberry. Any tutorials or links would be ve…

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## [Is it safe to use the uibuilder route for a Node-RED based http-in API?](https://discourse.nodered.org/t/is-it-safe-to-use-the-uibuilder-route-for-a-node-red-based-http-in-api/55767)

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**Author:** [@dczysz](https://discourse.nodered.org/u/dczysz)\
**Replies:** 7\
**Last updated:** [29 December 2021 14:49 UTC](https://discourse.nodered.org/t/is-it-safe-to-use-the-uibuilder-route-for-a-node-red-based-http-in-api/55767 "2021-12-29T14:49:43Z")

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I have a UI built with the (fantastic) UI Builder node, with the base path set to ui. I'm hosting this behind a reverse proxy with the path of /ui\* to properly forward for example both /ui/index.html and /uibuilder/vend…

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## [Modbus connection stop](https://discourse.nodered.org/t/modbus-connection-stop/17076)

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**Author:** [@jlb](https://discourse.nodered.org/u/jlb)\
**Replies:** 14\
**Last updated:** [29 December 2021 14:48 UTC](https://discourse.nodered.org/t/modbus-connection-stop/17076 "2021-12-29T14:48:08Z")

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Hello, I d like to know if there is a solution in order to stop/start a modbus connection with an inject button/function ? I tried with some stop/kill command but if the polling is stopped, the data are always read from…

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## [Can't install palette on docker stack](https://discourse.nodered.org/t/cant-install-palette-on-docker-stack/55835)

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**Author:** [@Desaydrone](https://discourse.nodered.org/u/Desaydrone)\
**Replies:** 0\
**Last updated:** [29 December 2021 13:22 UTC](https://discourse.nodered.org/t/cant-install-palette-on-docker-stack/55835 "2021-12-29T13:22:30Z")

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Hi every one, I try to install palette on my node red (fresh install with portainer) and i can't. Here the log that i have in result 602 verbose stack Error: ENOTSUP: operation not supported on socket, symlink '../mult…

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## [PVoutput Get data to Home Assistant from an old newbie](https://discourse.nodered.org/t/pvoutput-get-data-to-home-assistant-from-an-old-newbie/55802)

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**Author:** [@Linhey](https://discourse.nodered.org/u/Linhey)\
**Replies:** 4\
**Last updated:** [29 December 2021 11:10 UTC](https://discourse.nodered.org/t/pvoutput-get-data-to-home-assistant-from-an-old-newbie/55802 "2021-12-29T11:10:10Z")

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I am over 70 and a complete newcomer to both Node Red and Home Assistant. I thought I would share this to encourage others to have a go. I installed both HAAS and Node-Red in Dockers on my QNAP server and my first proj…

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## [Error: "Node not available"](https://discourse.nodered.org/t/error-node-not-available/55732)

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**Author:** [@bsailer2510](https://discourse.nodered.org/u/bsailer2510)\
**Replies:** 11\
**Last updated:** [29 December 2021 09:50 UTC](https://discourse.nodered.org/t/error-node-not-available/55732 "2021-12-29T09:50:29Z")

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Since i've updated Node-Red, NVM and NodeJS today i'm getting an Errormessage on all my existing Flows: "Node not available". Anyone any idea? -Raspberry Pi 4 -nodeJS v10.24.0 -node-red v2.1.4

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## [Sendgrid substitution tags not working](https://discourse.nodered.org/t/sendgrid-substitution-tags-not-working/55812)

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**Author:** [@Sebas\_t](https://discourse.nodered.org/u/Sebas_t)\
**Replies:** 7\
**Last updated:** [29 December 2021 09:10 UTC](https://discourse.nodered.org/t/sendgrid-substitution-tags-not-working/55812 "2021-12-29T09:10:34Z")

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Hi, I'm designing a IoT platform with notification. The notifications will be send using the sendgrid and I want to insert data from my platform in the e-mail using substitution tags. However the email sends just fine…

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## [Modbus TCP/IP vs Ethernet/IP](https://discourse.nodered.org/t/modbus-tcp-ip-vs-ethernet-ip/55821)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 2\
**Last updated:** [29 December 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tcp-ip-vs-ethernet-ip/55821 "2021-12-29T07:10:12Z")

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Hello guys, I am going to develop edge gateway using node red which will fetch the data from PLCs into node red so I have two options to talk to PLC 1. Modbus TCP/IP and 2. Ethernet/IP Can anyone suggest which one is be…

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## [Got problems with Alexa-home nodes this morning](https://discourse.nodered.org/t/got-problems-with-alexa-home-nodes-this-morning/55746)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 11\
**Last updated:** [29 December 2021 05:12 UTC](https://discourse.nodered.org/t/got-problems-with-alexa-home-nodes-this-morning/55746 "2021-12-29T05:12:11Z")

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@hardillb

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## [Is there a scheduling node that does this](https://discourse.nodered.org/t/is-there-a-scheduling-node-that-does-this/55800)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 19\
**Last updated:** [29 December 2021 01:31 UTC](https://discourse.nodered.org/t/is-there-a-scheduling-node-that-does-this/55800 "2021-12-29T01:31:30Z")

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\[edited to clarify some points\] This is kind of a question AND an idea for a contrib (if it doesn't exist). There are a tonne of scheduling nodes and I've tried quite a few of them. Here's a good list. Perhaps I've miss…

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## [Help with controlling relay board by using node-RED](https://discourse.nodered.org/t/help-with-controlling-relay-board-by-using-node-red/55807)

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**Author:** [@marius](https://discourse.nodered.org/u/marius)\
**Replies:** 15\
**Last updated:** [28 December 2021 22:16 UTC](https://discourse.nodered.org/t/help-with-controlling-relay-board-by-using-node-red/55807 "2021-12-28T22:16:27Z")

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hello. I'm looking for help with this error: Welcome to the Node-RED Dashboard Please add some UI nodes to your flow and redeploy I have noticed a common problem with this.... 28 Dec 22:19:48 - \[info\] Node-RED version…

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## [Countdown timer, im missing a reset function](https://discourse.nodered.org/t/countdown-timer-im-missing-a-reset-function/55798)

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**Author:** [@syma33](https://discourse.nodered.org/u/syma33)\
**Replies:** 1\
**Last updated:** [28 December 2021 21:46 UTC](https://discourse.nodered.org/t/countdown-timer-im-missing-a-reset-function/55798 "2021-12-28T21:46:15Z")

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this works but with flaws.. the goal is to set countdowntimer and have a resetbutton combined with the force button. (while forcing is set, timer will be set to reset) However, in this i tried but here isnt any way to st…

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## [Compute countdown timer value via Node-RED and then use in Grafana](https://discourse.nodered.org/t/compute-countdown-timer-value-via-node-red-and-then-use-in-grafana/55769)

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**Author:** [@grant1](https://discourse.nodered.org/u/grant1)\
**Replies:** 6\
**Last updated:** [28 December 2021 19:10 UTC](https://discourse.nodered.org/t/compute-countdown-timer-value-via-node-red-and-then-use-in-grafana/55769 "2021-12-28T19:10:03Z")

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I currently have a simple javascript countdown timer script running in a Grafana Text panel: Here is what the Text panel looks like: I realize using Node-RED dashboard would be a logical place to use a countdown t…

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## [Issues Getting Some Material Icons to Appear](https://discourse.nodered.org/t/issues-getting-some-material-icons-to-appear/55766)

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**Author:** [@Jdo300](https://discourse.nodered.org/u/Jdo300)\
**Replies:** 6\
**Last updated:** [28 December 2021 17:10 UTC](https://discourse.nodered.org/t/issues-getting-some-material-icons-to-appear/55766 "2021-12-28T17:10:01Z")

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I'm trying to use some material icons on my dashboard for button icons and labels and I'm wondering why some icons work and some don't. Here's a code sample to illustrate what I'm running into: \<i class="material-icons …

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## [Flows stopped due to missing node types. rpi-gpio out](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-rpi-gpio-out/55789)

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**Author:** [@taj2](https://discourse.nodered.org/u/taj2)\
**Replies:** 6\
**Last updated:** [28 December 2021 16:19 UTC](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-rpi-gpio-out/55789 "2021-12-28T16:19:27Z")

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Hi, I'm learning node red I get this error message when deploying. I don't know how to solve it. I am using Node red V2.1.4 on my raspberry and I can't see where to select the node type.

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## [Which node to install for mssql server 19](https://discourse.nodered.org/t/which-node-to-install-for-mssql-server-19/55795)

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**Author:** [@isabel](https://discourse.nodered.org/u/isabel)\
**Replies:** 2\
**Last updated:** [28 December 2021 16:16 UTC](https://discourse.nodered.org/t/which-node-to-install-for-mssql-server-19/55795 "2021-12-28T16:16:37Z")

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Hi, I am having trouble in connecting mssql server, i have node red version v2.1.4 and sql server 19, which node do i have to install ? node-red-config-mssql? or plus? Thanks a lot

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## [Adjusting size of track and knob on slider control](https://discourse.nodered.org/t/adjusting-size-of-track-and-knob-on-slider-control/55799)

<div class="topic-metadata">

**Author:** [@Jdo300](https://discourse.nodered.org/u/Jdo300)\
**Replies:** 0\
**Last updated:** [28 December 2021 16:15 UTC](https://discourse.nodered.org/t/adjusting-size-of-track-and-knob-on-slider-control/55799 "2021-12-28T16:15:21Z")

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I'm working on adjusting the styles for the standard UI-slider control on my dashboard. I don't need to change the look of the graphics themselves but I just want to make the knob itself larger so it's easier to touch on…

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## [MODBUS RTU: Respond on read telegram using node-red-contrib-modbus](https://discourse.nodered.org/t/modbus-rtu-respond-on-read-telegram-using-node-red-contrib-modbus/55605)

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**Author:** [@americanium](https://discourse.nodered.org/u/americanium)\
**Replies:** 5\
**Last updated:** [28 December 2021 15:38 UTC](https://discourse.nodered.org/t/modbus-rtu-respond-on-read-telegram-using-node-red-contrib-modbus/55605 "2021-12-28T15:38:44Z")

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Hallo! I want to simulate a slave and serving different values to the master. Master / Slave (Pi with Node-red and Modbus interface). I know the sample which is included in the node-red package but I think I don't unde…

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## [Head section or common section](https://discourse.nodered.org/t/head-section-or-common-section/55792)

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**Author:** [@Mitaro-BR](https://discourse.nodered.org/u/Mitaro-BR)\
**Replies:** 0\
**Last updated:** [28 December 2021 14:29 UTC](https://discourse.nodered.org/t/head-section-or-common-section/55792 "2021-12-28T14:29:15Z")

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I'm developing a Service Order controller with Node-Red, Node-Red\_Dashboard and MySQL. To me is so useful if scope actions works in head section or if have a common section where is possible executing scope codes in all …

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## [Completely stuck with node-red-contrib-google-smarthome](https://discourse.nodered.org/t/completely-stuck-with-node-red-contrib-google-smarthome/55709)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 15\
**Last updated:** [28 December 2021 12:55 UTC](https://discourse.nodered.org/t/completely-stuck-with-node-red-contrib-google-smarthome/55709 "2021-12-28T12:55:12Z")

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Hi folks, Merry christmas to you all !!!! I have to admit that I am very near a Node-RED burn out... Have been trying to fill gaps in the last years by developing lots of custom nodes. But now 4 years later I have a …

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## [Connecting to LIRC server via lan](https://discourse.nodered.org/t/connecting-to-lirc-server-via-lan/55782)

<div class="topic-metadata">

**Author:** [@Atilas1](https://discourse.nodered.org/u/Atilas1)\
**Replies:** 0\
**Last updated:** [28 December 2021 11:59 UTC](https://discourse.nodered.org/t/connecting-to-lirc-server-via-lan/55782 "2021-12-28T11:59:22Z")

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Hello, My current setup is Raspberry PI running lirc, which listens on or 9000. My Node-red runs on different machine. I have installed node-red-contrib-lirc however it has no options to control to remote LIRC server f…

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## [Can anyone teach me how to display CSV file data into the dashboard ( for example, a line chart )](https://discourse.nodered.org/t/can-anyone-teach-me-how-to-display-csv-file-data-into-the-dashboard-for-example-a-line-chart/55644)

<div class="topic-metadata">

**Author:** [@Aloysius1234](https://discourse.nodered.org/u/Aloysius1234)\
**Replies:** 16\
**Last updated:** [28 December 2021 11:29 UTC](https://discourse.nodered.org/t/can-anyone-teach-me-how-to-display-csv-file-data-into-the-dashboard-for-example-a-line-chart/55644 "2021-12-28T11:29:13Z")

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Hello guys, I want to display the data from csv file into a dashboard and present it in line chart format. For example, time will be at the x-axis and the data will be at the y-axis. May I know how to write the functio…

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