# Latest

**URL:** https://discourse.nodered.org/latest.md?page=418

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

**Page:** 419

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## [How to implement SSE Server?](https://discourse.nodered.org/t/how-to-implement-sse-server/73717)

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**Author:** [@flipzz](https://discourse.nodered.org/u/flipzz)\
**Replies:** 0\
**Last updated:** [15 January 2023 17:15 UTC](https://discourse.nodered.org/t/how-to-implement-sse-server/73717 "2023-01-15T17:15:54Z")

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Hi, I am trying to implement an SSE Server in Node red. Have looked at some of the pre-defined nodes (like sse-plus and eventsource) but I cannot get it to work. Anyone that has an example of how to do this?

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## [Chart Node - Control x-axis time scale with slider](https://discourse.nodered.org/t/chart-node-control-x-axis-time-scale-with-slider/73707)

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**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 3\
**Last updated:** [15 January 2023 15:26 UTC](https://discourse.nodered.org/t/chart-node-control-x-axis-time-scale-with-slider/73707 "2023-01-15T15:26:13Z")

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I want to vary the x-axis time scale of a chart with a slider. Based on Chart Variable Timeline X-Axis - #14 by hotNipi I have a flow which does this, but it has unwanted consequences. It changes other chart style attr…

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## [Accessing data on Sqlite3 from Node-Red on Docker](https://discourse.nodered.org/t/accessing-data-on-sqlite3-from-node-red-on-docker/73700)

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**Author:** [@ulfh2018](https://discourse.nodered.org/u/ulfh2018)\
**Replies:** 2\
**Last updated:** [15 January 2023 15:02 UTC](https://discourse.nodered.org/t/accessing-data-on-sqlite3-from-node-red-on-docker/73700 "2023-01-15T15:02:21Z")

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I have tried to ask this question on at Docker Community, but so far no reaction, so even though I suppose this might be off topic, I take the chance to submit a question here. I am new to Docker, but I was able to run …

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## [Error from unknown node](https://discourse.nodered.org/t/error-from-unknown-node/73658)

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**Author:** [@sahar](https://discourse.nodered.org/u/sahar)\
**Replies:** 13\
**Last updated:** [15 January 2023 14:09 UTC](https://discourse.nodered.org/t/error-from-unknown-node/73658 "2023-01-15T14:09:22Z")

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this error isnt relate to any of my flows, and it repeat every 5 second , how I can fix it ?

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## [Function variables vs custom properties in 'node' objects](https://discourse.nodered.org/t/function-variables-vs-custom-properties-in-node-objects/73589)

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**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 8\
**Last updated:** [15 January 2023 13:45 UTC](https://discourse.nodered.org/t/function-variables-vs-custom-properties-in-node-objects/73589 "2023-01-15T13:45:30Z")

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Hi experts, In my custom-developed nodes, I maintain & work with local (per node instance) properties. What would be the difference (and better way of doing this): Option 1: as function variables module.exports = fun…

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## [Sequence in operation](https://discourse.nodered.org/t/sequence-in-operation/71445)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 5\
**Last updated:** [15 January 2023 13:43 UTC](https://discourse.nodered.org/t/sequence-in-operation/71445 "2023-01-15T13:43:06Z")

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Hi, I try with difficulty to improve my code and so sometimes I have probably banal questions to propose you. In my node-red project I have many delay node (and I'd like to reduce them) because I always put them betwee…

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## [Server hacked - is Node-Red an entry point and how to prevent this?](https://discourse.nodered.org/t/server-hacked-is-node-red-an-entry-point-and-how-to-prevent-this/73704)

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**Author:** [@Jacob](https://discourse.nodered.org/u/Jacob)\
**Replies:** 4\
**Last updated:** [15 January 2023 13:29 UTC](https://discourse.nodered.org/t/server-hacked-is-node-red-an-entry-point-and-how-to-prevent-this/73704 "2023-01-15T13:29:46Z")

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Hi community, My server running on Digitalocean has been hacked around October, most likely by a bot net (google: . This thing is used for DDOS as far as I understand but you never know what else has been changed... I …

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## [Kommunikation FX5U med Mitsubishi read write funktion](https://discourse.nodered.org/t/kommunikation-fx5u-med-mitsubishi-read-write-funktion/73637)

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**Author:** [@PTPT](https://discourse.nodered.org/u/PTPT)\
**Replies:** 4\
**Last updated:** [15 January 2023 12:39 UTC](https://discourse.nodered.org/t/kommunikation-fx5u-med-mitsubishi-read-write-funktion/73637 "2023-01-15T12:39:44Z")

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Ska läsa från nordpool elpriser som jag ska behandla i en fx5u med gxworks 3. Jag kan sätta upp kommikation och allt men kan bara skicka ett D register. Får inte med hela arrayn. Även när jag provar över dom här 48 lis…

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## [ESP32C3 WS8212 LED Control Over Node Red MQTT Broker](https://discourse.nodered.org/t/esp32c3-ws8212-led-control-over-node-red-mqtt-broker/73705)

<div class="topic-metadata">

**Author:** [@usefulElectronics](https://discourse.nodered.org/u/usefulElectronics)\
**Replies:** 0\
**Last updated:** [15 January 2023 12:17 UTC](https://discourse.nodered.org/t/esp32c3-ws8212-led-control-over-node-red-mqtt-broker/73705 "2023-01-15T12:17:20Z")

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https://youtu.be/KY1ElV0qZDM In this tutorial, a wirelessly controlled IoT lamp is built from scratch using ESP32-C3 MCU that is driving WS8212 addressable LED strip over RMT peripheral. The MCU is connected over MQTT t…

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## [How to save multiple objects to Influx?](https://discourse.nodered.org/t/how-to-save-multiple-objects-to-influx/73659)

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**Author:** [@DublinBayPrawn](https://discourse.nodered.org/u/DublinBayPrawn)\
**Replies:** 4\
**Last updated:** [15 January 2023 09:55 UTC](https://discourse.nodered.org/t/how-to-save-multiple-objects-to-influx/73659 "2023-01-15T09:55:10Z")

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I am trying to send multiple items of sensor data, from multiple rooms, to InfluxDB. Trying to do this in a tidy, logical way, I attempted to create a "bucket" of rooms, and within each room, a "bucket" of sensor's data. …

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## [Help with global context and building messages with it in \`change\` node](https://discourse.nodered.org/t/help-with-global-context-and-building-messages-with-it-in-change-node/73681)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [15 January 2023 07:24 UTC](https://discourse.nodered.org/t/help-with-global-context-and-building-messages-with-it-in-change-node/73681 "2023-01-15T07:24:07Z")

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I may need to use a different node. I get that. Dating back to when I started to use context, I didn't think think of this new problem. Ok, here is a screen shot of what I have - with comments. As is, I set the path.…

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## [Two Doors and one Light](https://discourse.nodered.org/t/two-doors-and-one-light/73680)

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**Author:** [@jwadsley](https://discourse.nodered.org/u/jwadsley)\
**Replies:** 20\
**Last updated:** [15 January 2023 06:25 UTC](https://discourse.nodered.org/t/two-doors-and-one-light/73680 "2023-01-15T06:25:09Z")

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I have a garage door and a house door. I want the lights to turn on if one of doors opens, and turn off again if it closes, so that both would again be closed. I also want it so that if I open door A and keep it open, …

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## [Roomba i7 integration](https://discourse.nodered.org/t/roomba-i7-integration/71282)

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**Author:** [@howl](https://discourse.nodered.org/u/howl)\
**Replies:** 3\
**Last updated:** [14 January 2023 22:02 UTC](https://discourse.nodered.org/t/roomba-i7-integration/71282 "2023-01-14T22:02:54Z")

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Hi, has anyone already been able to integrate the Roomba i7 into node red? With node-red-contrib-roomba980-fw2 it does not work for me. Holger

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## [Template node does not show 1 value out of 5](https://discourse.nodered.org/t/template-node-does-not-show-1-value-out-of-5/73670)

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**Author:** [@Vilnis\_R](https://discourse.nodered.org/u/Vilnis_R)\
**Replies:** 3\
**Last updated:** [14 January 2023 21:50 UTC](https://discourse.nodered.org/t/template-node-does-not-show-1-value-out-of-5/73670 "2023-01-14T21:50:12Z")

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Hi, I can not find the reason why template node do not accept one payload from payload object (msg.payload.PS1). This works fine on other my template nodes and I can not distinguish difference from other payload objects…

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## [Is there lamps with built-in wifi, esp8266](https://discourse.nodered.org/t/is-there-lamps-with-built-in-wifi-esp8266/73672)

<div class="topic-metadata">

**Author:** [@Olaa](https://discourse.nodered.org/u/Olaa)\
**Replies:** 3\
**Last updated:** [14 January 2023 21:36 UTC](https://discourse.nodered.org/t/is-there-lamps-with-built-in-wifi-esp8266/73672 "2023-01-14T21:36:32Z")

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Hey! Am new to Node Red. great fun with crafts. Runs with Mqtt and wifi via Esp8266 in different capsules. Wonder if you can find ready-made lamps with these possibilities, esp8266 built in? Regard Ola A. from Sweden

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## [Deep copy value documentation](https://discourse.nodered.org/t/deep-copy-value-documentation/73653)

<div class="topic-metadata">

**Author:** [@FlangeMonkey](https://discourse.nodered.org/u/FlangeMonkey)\
**Replies:** 4\
**Last updated:** [14 January 2023 17:07 UTC](https://discourse.nodered.org/t/deep-copy-value-documentation/73653 "2023-01-14T17:07:16Z")

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Hi Guys, I have an unexpected behavior where a previous change node affects the message from another change node. For example, if I "set" or copy a message with child messages to another message and then modify the ori…

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## [Dynamic Pin Control For node-red-node-serialport](https://discourse.nodered.org/t/dynamic-pin-control-for-node-red-node-serialport/73666)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 0\
**Last updated:** [14 January 2023 14:51 UTC](https://discourse.nodered.org/t/dynamic-pin-control-for-node-red-node-serialport/73666 "2023-01-14T14:51:09Z")

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I have an application where my serial port uses DSR to turn on / off the device connected. Is there any way to have dynamic control of the pin? If not, is it a worthy request for a feature enhancement of the node? R…

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## [Creating reports using Node-RED](https://discourse.nodered.org/t/creating-reports-using-node-red/73664)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 0\
**Last updated:** [14 January 2023 13:25 UTC](https://discourse.nodered.org/t/creating-reports-using-node-red/73664 "2023-01-14T13:25:37Z")

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Inspired by this thread on creating PDF reports, I realised that uibuilder can now create reports in a very similar way to the suggested pdfmake from that thread. The big differences being that uibuilder will create a w…

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## [Use http request to send data to mysql](https://discourse.nodered.org/t/use-http-request-to-send-data-to-mysql/73660)

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**Author:** [@sahar](https://discourse.nodered.org/u/sahar)\
**Replies:** 1\
**Last updated:** [14 January 2023 13:03 UTC](https://discourse.nodered.org/t/use-http-request-to-send-data-to-mysql/73660 "2023-01-14T13:03:42Z")

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hi , I needed to put my data form sensors into MySQL database, at first I try to connect with http request , and check my connection , but t doesn't work {"api\_key":"tPmAT5Ab3j7F9","value1":"15","value2":"30"…

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## [Stuck on "Light" Default Dashboard Theme](https://discourse.nodered.org/t/stuck-on-light-default-dashboard-theme/73644)

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**Author:** [@n61ab](https://discourse.nodered.org/u/n61ab)\
**Replies:** 7\
**Last updated:** [14 January 2023 11:09 UTC](https://discourse.nodered.org/t/stuck-on-light-default-dashboard-theme/73644 "2023-01-14T11:09:31Z")

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I cannot change my Dashboard Theme. Normally I use the default "Dark" theme. I started a new project, and the "Light" default theme appears. I cannot change the theme to "Dark" or "Custom". The "Light" theme always s…

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## [Time difference between each receipt of MQTT packets](https://discourse.nodered.org/t/time-difference-between-each-receipt-of-mqtt-packets/73618)

<div class="topic-metadata">

**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 8\
**Last updated:** [14 January 2023 02:50 UTC](https://discourse.nodered.org/t/time-difference-between-each-receipt-of-mqtt-packets/73618 "2023-01-14T02:50:39Z")

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Please, I have a specific need that I'm having a lot of difficulty implementing. I receive telemetry packets from the MQTT server. These packages are about the depth of a diver. I get it as an integer. That's not the…

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## [Pass Variable if condition is true](https://discourse.nodered.org/t/pass-variable-if-condition-is-true/73330)

<div class="topic-metadata">

**Author:** [@Strandl](https://discourse.nodered.org/u/Strandl)\
**Replies:** 14\
**Last updated:** [13 January 2023 22:43 UTC](https://discourse.nodered.org/t/pass-variable-if-condition-is-true/73330 "2023-01-13T22:43:53Z")

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Hi, new to red-node, my question is regarding the function node. I receive a variable (Integer) from a Siemens S7 PLC - Flow Name "Config" I have a button in my Home Assistant - Flow name "Button" What I am trying to …

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## [Handling many JSON msg payload](https://discourse.nodered.org/t/handling-many-json-msg-payload/73645)

<div class="topic-metadata">

**Author:** [@rchandrashekar53](https://discourse.nodered.org/u/rchandrashekar53)\
**Replies:** 9\
**Last updated:** [13 January 2023 20:14 UTC](https://discourse.nodered.org/t/handling-many-json-msg-payload/73645 "2023-01-13T20:14:38Z")

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Hi, i have multiple MQTT topics and i need to send individual payload at same time to different MQTT topic. The issue is if i use msg.payload - the JSON frames will be overwritten. I did explore a path where i tried to …

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## [How to set / read curtain cover positions!? (using an Aquara lumi.curtain.agl001)](https://discourse.nodered.org/t/how-to-set-read-curtain-cover-positions-using-an-aquara-lumi-curtain-agl001/73638)

<div class="topic-metadata">

**Author:** [@louis](https://discourse.nodered.org/u/louis)\
**Replies:** 5\
**Last updated:** [13 January 2023 20:04 UTC](https://discourse.nodered.org/t/how-to-set-read-curtain-cover-positions-using-an-aquara-lumi-curtain-agl001/73638 "2023-01-13T20:04:16Z")

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I am using Node-RED for automatons inside Home Assistant (both on latest version). I try to control a curtain-pair using two ‘Aqara lumi.curtain.agl001’ (zigbee) motors. My problem is that I do not manage to set or get…

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## [Quit during DELAY or WAIT UNTIL command](https://discourse.nodered.org/t/quit-during-delay-or-wait-until-command/73475)

<div class="topic-metadata">

**Author:** [@ananth250](https://discourse.nodered.org/u/ananth250)\
**Replies:** 7\
**Last updated:** [13 January 2023 19:17 UTC](https://discourse.nodered.org/t/quit-during-delay-or-wait-until-command/73475 "2023-01-13T19:17:18Z")

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Hi Guys, I am completely new to NODERED and just starting out in Home Automation. I have created a simple flow... RGB bulb turns of at {255,255,255} WHITE and delay or wait until for 5 seconds and then at {255,0,0} RED …

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## [Node-red-contrib-speakerpi fails to install](https://discourse.nodered.org/t/node-red-contrib-speakerpi-fails-to-install/73641)

<div class="topic-metadata">

**Author:** [@P\_S](https://discourse.nodered.org/u/P_S)\
**Replies:** 3\
**Last updated:** [13 January 2023 16:24 UTC](https://discourse.nodered.org/t/node-red-contrib-speakerpi-fails-to-install/73641 "2023-01-13T16:24:52Z")

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I tried to install this, but it constantly fails. I have two Raspbery PI boards: RPi 1.1 and RPi 3b For the RPi1.1 I used the following OS'es Raspberry Pi OS Lite 32 bit Bullseye 2022-09-22 Raspberry Pi OS Full 32 Bu…

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## [Does anybody know a wifi switch with wet contacts](https://discourse.nodered.org/t/does-anybody-know-a-wifi-switch-with-wet-contacts/73015)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 18\
**Last updated:** [13 January 2023 15:25 UTC](https://discourse.nodered.org/t/does-anybody-know-a-wifi-switch-with-wet-contacts/73015 "2023-01-13T15:25:38Z")

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Hi folks, To start with: a happy new year for all of you :champagne: :clinking\_glasses: Tried to install my first Shelly 1 yesterday into my electricity closet, but the wiring diagram was a bit different as I had expec…

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## [Signing-in to new Volvo API and collecting data from Node RED](https://discourse.nodered.org/t/signing-in-to-new-volvo-api-and-collecting-data-from-node-red/72881)

<div class="topic-metadata">

**Author:** [@monsivar](https://discourse.nodered.org/u/monsivar)\
**Replies:** 6\
**Last updated:** [13 January 2023 14:58 UTC](https://discourse.nodered.org/t/signing-in-to-new-volvo-api-and-collecting-data-from-node-red/72881 "2023-01-13T14:58:43Z")

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Hi I am an ameature of this, but eager to collect data from my EV og the Volvo API inn to Home assistant (the oldVolvo integration do not support the EV cars) I see ( Authorisation – APIs | Volvo Cars Developer Portal …

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## ['-' in Payload is not accepted](https://discourse.nodered.org/t/in-payload-is-not-accepted/73596)

<div class="topic-metadata">

**Author:** [@Justtrying](https://discourse.nodered.org/u/Justtrying)\
**Replies:** 7\
**Last updated:** [13 January 2023 14:16 UTC](https://discourse.nodered.org/t/in-payload-is-not-accepted/73596 "2023-01-13T14:16:36Z")

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Hello everyone, I've been dealing with the following problem for a while now, but somehow I can't solve it. I have an influx DB that I fill with data. Previously this was done from a different system, but now I want to…

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## [Google home, start a flow using vocal commands](https://discourse.nodered.org/t/google-home-start-a-flow-using-vocal-commands/73607)

<div class="topic-metadata">

**Author:** [@ronyn77](https://discourse.nodered.org/u/ronyn77)\
**Replies:** 5\
**Last updated:** [13 January 2023 13:46 UTC](https://discourse.nodered.org/t/google-home-start-a-flow-using-vocal-commands/73607 "2023-01-13T13:46:13Z")

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Hello, Is there any way to convert a flow of nodes into an entity, so it could be used later to be integrated into google home integration that will permit me to use vocal commands to execute the created flow/entity?

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