# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=93

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

**Page:** 94

---

## [JOIN multiple SPLIT to combined object](https://discourse.nodered.org/t/join-multiple-split-to-combined-object/89878)

<div class="topic-metadata">

**Author:** [@H3lpd3sk](https://discourse.nodered.org/u/H3lpd3sk)\
**Replies:** 15\
**Last updated:** [31 July 2024 22:13 UTC](https://discourse.nodered.org/t/join-multiple-split-to-combined-object/89878 "2024-07-31T22:13:15Z")

</div>

Hi all, Running 4.0.1 I have the folloing flow, and trying for few hours now to make it do what I want, but getting frustrated now. Maybe someone can enlighten me how to proceed. I looked around the web and forum ofco…

---

## ["Lost connection to server error" docker instance on synology](https://discourse.nodered.org/t/lost-connection-to-server-error-docker-instance-on-synology/89918)

<div class="topic-metadata">

**Author:** [@ljlhouben](https://discourse.nodered.org/u/ljlhouben)\
**Replies:** 4\
**Last updated:** [31 July 2024 19:27 UTC](https://discourse.nodered.org/t/lost-connection-to-server-error-docker-instance-on-synology/89918 "2024-07-31T19:27:55Z")

</div>

Hi All I'm a complete newbee concerning Node-Red, I installed the version v4.0.2 on my synology in a 'container' (used to be docker). I tried my first steps by adding an 'inject' and a 'debug' and I deployed it....but u…

---

## [Device overview dashboard2](https://discourse.nodered.org/t/device-overview-dashboard2/89911)

<div class="topic-metadata">

**Author:** [@KarolisL](https://discourse.nodered.org/u/KarolisL)\
**Replies:** 1\
**Last updated:** [31 July 2024 16:38 UTC](https://discourse.nodered.org/t/device-overview-dashboard2/89911 "2024-07-31T16:38:00Z")

</div>

Inspired by: and My use case: I don't know how many devices are active (each project has different amount of clients) I just listen for incoming MQTT reports and present latest state of data. The main purpose was to…

---

## [Node-red-contrib-persist & localhost](https://discourse.nodered.org/t/node-red-contrib-persist-localhost/89713)

<div class="topic-metadata">

**Author:** [@sradoff](https://discourse.nodered.org/u/sradoff)\
**Replies:** 9\
**Last updated:** [31 July 2024 14:26 UTC](https://discourse.nodered.org/t/node-red-contrib-persist-localhost/89713 "2024-07-31T14:26:39Z")

</div>

I have inserted Node-red-contrib-persist into a recent flow running the most current version of node-red. After a Deploy, the dashboard can no longer be displayed. Both Microsoft Edge and Google Chrome report “Connection…

---

## [No data from the sensor in the MQTT node](https://discourse.nodered.org/t/no-data-from-the-sensor-in-the-mqtt-node/89873)

<div class="topic-metadata">

**Author:** [@Kralle](https://discourse.nodered.org/u/Kralle)\
**Replies:** 4\
**Last updated:** [31 July 2024 13:33 UTC](https://discourse.nodered.org/t/no-data-from-the-sensor-in-the-mqtt-node/89873 "2024-07-31T13:33:58Z")

</div>

Hello, I need your concentrated knowledge. I ordered a new sensor (Dragino CPL03-LB) I registered the sensor in the TTN and inserted the appropriate payload formatter. The sensor is sending, I see that in the TTN. Us…

---

## [2 inputs merge into 1 output](https://discourse.nodered.org/t/2-inputs-merge-into-1-output/89905)

<div class="topic-metadata">

**Author:** [@mikahaller](https://discourse.nodered.org/u/mikahaller)\
**Replies:** 4\
**Last updated:** [31 July 2024 11:47 UTC](https://discourse.nodered.org/t/2-inputs-merge-into-1-output/89905 "2024-07-31T11:47:43Z")

</div>

I have 2 inputs (Int32), one displays "left time in min" and one displays "left time in hours". "General left time" is both, X hours and Y min. So far i show both separately in DB2.0, but i would like to have them as on…

---

## [Problem with a Node-red pallet that no longer starts up](https://discourse.nodered.org/t/problem-with-a-node-red-pallet-that-no-longer-starts-up/89855)

<div class="topic-metadata">

**Author:** [@Ayno](https://discourse.nodered.org/u/Ayno)\
**Replies:** 7\
**Last updated:** [31 July 2024 10:23 UTC](https://discourse.nodered.org/t/problem-with-a-node-red-pallet-that-no-longer-starts-up/89855 "2024-07-31T10:23:34Z")

</div>

Hello I downloaded this palette: And now, my Node-Red won't start, here's the error message I get: juil. 29 18:05:01 GIN Node-RED\[33779\]: 29 Jul 18:05:01 - \[warn\] \[RED.events\] Deprecated use of "nodes-started" event …

---

## [Dynamically set MQTT broker configurations](https://discourse.nodered.org/t/dynamically-set-mqtt-broker-configurations/89902)

<div class="topic-metadata">

**Author:** [@mr-jaffery](https://discourse.nodered.org/u/mr-jaffery)\
**Replies:** 2\
**Last updated:** [31 July 2024 09:14 UTC](https://discourse.nodered.org/t/dynamically-set-mqtt-broker-configurations/89902 "2024-07-31T09:14:03Z")

</div>

Is there a way to set MQTT broker configurations like server, username and password dynamically. Maybe,we can configure these things through the input to the MQTT node, or is there any other way?

---

## [我希望自定义一个有多个输入和输出端口的节点，但是输入端口一直被限制最大为1个，请问我如何才能做到创建节点有多个输入端口？](https://discourse.nodered.org/t/topic/89901)

<div class="topic-metadata">

**Author:** [@cms](https://discourse.nodered.org/u/cms)\
**Replies:** 2\
**Last updated:** [31 July 2024 09:10 UTC](https://discourse.nodered.org/t/topic/89901 "2024-07-31T09:10:43Z")

</div>

我希望自定义一个有多个输入和输出端口的节点，但是输入端口一直被限制最大为1个，请问我如何才能做到创建节点有多个输入端口？

---

## [Problem deploying flows on RasPi 4 project, help needed!](https://discourse.nodered.org/t/problem-deploying-flows-on-raspi-4-project-help-needed/89567)

<div class="topic-metadata">

**Author:** [@WHermes](https://discourse.nodered.org/u/WHermes)\
**Replies:** 7\
**Last updated:** [31 July 2024 08:00 UTC](https://discourse.nodered.org/t/problem-deploying-flows-on-raspi-4-project-help-needed/89567 "2024-07-31T08:00:48Z")

</div>

Hi for everyone! First off all i´m new in this forum and also rookie with NR. I have done some projects with it but nothing special. So at the moment i´m doing project which setup is: HW: Raspberry Pi 4 Model B, 4GB R…

---

## [Change Node outputting multiple times](https://discourse.nodered.org/t/change-node-outputting-multiple-times/89841)

<div class="topic-metadata">

**Author:** [@cwagdev](https://discourse.nodered.org/u/cwagdev)\
**Replies:** 10\
**Last updated:** [31 July 2024 06:29 UTC](https://discourse.nodered.org/t/change-node-outputting-multiple-times/89841 "2024-07-31T06:29:19Z")

</div>

I am new to all of this and seeing unexpected behavior from the output of a change node. It's a simple "move" but the output fires many times (around 20). Is this normal? Here's a screenshot of the debug output. And …

---

## [Node-RED 4 function node error](https://discourse.nodered.org/t/node-red-4-function-node-error/89887)

<div class="topic-metadata">

**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 4\
**Last updated:** [31 July 2024 01:05 UTC](https://discourse.nodered.org/t/node-red-4-function-node-error/89887 "2024-07-31T01:05:15Z")

</div>

I just installed node-red on a new system using the bash script and ended up with node-red version 4. I imported my flow and it all seemed to work. Then I went into a function node to look at what I'd done years ago. …

---

## [Add autoreset option to delay node](https://discourse.nodered.org/t/add-autoreset-option-to-delay-node/89811)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 2\
**Last updated:** [30 July 2024 19:47 UTC](https://discourse.nodered.org/t/add-autoreset-option-to-delay-node/89811 "2024-07-30T19:47:16Z")

</div>

Hi, often it happens to me that I need to deay a message, but if another event happens I have to push in the same delay node the new message, and I need to delete the previous one. If I don't send a reset:1 before sendin…

---

## [Problems after update error http request](https://discourse.nodered.org/t/problems-after-update-error-http-request/89418)

<div class="topic-metadata">

**Author:** [@adambernaufeit](https://discourse.nodered.org/u/adambernaufeit)\
**Replies:** 13\
**Last updated:** [30 July 2024 13:03 UTC](https://discourse.nodered.org/t/problems-after-update-error-http-request/89418 "2024-07-30T13:03:24Z")

</div>

since the update node red (https) from version 3.0.2 to 4.0.1 after calling http in the call comes from time to time and sometimes not, or sometimes it happens that the call does come, but with a long delay. Another thi…

---

## [Trying to save JSON to influxdb](https://discourse.nodered.org/t/trying-to-save-json-to-influxdb/89814)

<div class="topic-metadata">

**Author:** [@xubin](https://discourse.nodered.org/u/xubin)\
**Replies:** 5\
**Last updated:** [30 July 2024 10:51 UTC](https://discourse.nodered.org/t/trying-to-save-json-to-influxdb/89814 "2024-07-30T10:51:57Z")

</div>

Hey there I,m trying to save some data manually to my influxdb: (inject node)\<--\>(function node)\<--\>(influxdb out node) Here's my function node contents: msg.payload = { "spec": 10, "right": 9, "left": 11…

---

## [Smarttings failure invalid topic](https://discourse.nodered.org/t/smarttings-failure-invalid-topic/89702)

<div class="topic-metadata">

**Author:** [@pgas37](https://discourse.nodered.org/u/pgas37)\
**Replies:** 24\
**Last updated:** [30 July 2024 10:06 UTC](https://discourse.nodered.org/t/smarttings-failure-invalid-topic/89702 "2024-07-30T10:06:46Z")

</div>

Hello, I bought an Aeontec Smartthings hub en 3 zigbee switches. The goal of the project is integrate Smarthings in Domoticz, but as almost always i have some trouble on the way: I created a flow with a debugnode at th…

---

## [Dashboard chart performance gain with data decimation plugin](https://discourse.nodered.org/t/dashboard-chart-performance-gain-with-data-decimation-plugin/89847)

<div class="topic-metadata">

**Author:** [@kitori](https://discourse.nodered.org/u/kitori)\
**Replies:** 8\
**Last updated:** [30 July 2024 09:54 UTC](https://discourse.nodered.org/t/dashboard-chart-performance-gain-with-data-decimation-plugin/89847 "2024-07-30T09:54:03Z")

</div>

Hi, i did some a/b testing with the chart node in Dashboard 2. I have a simple minitoring system, which write data to a sqlite database. I query this via the sqlite node and throw the data into the chart node. For Pl…

---

## [Import file JSON Schema](https://discourse.nodered.org/t/import-file-json-schema/89687)

<div class="topic-metadata">

**Author:** [@AryasDad](https://discourse.nodered.org/u/AryasDad)\
**Replies:** 2\
**Last updated:** [23 July 2024 14:35 UTC](https://discourse.nodered.org/t/import-file-json-schema/89687 "2024-07-23T14:35:14Z")

</div>

So I have been getting my feet wet with Node Red in Home Assistant. I am developing an app on a different platform and want to generate flows from that app into a JSON file to be imported into Node Red. It may be that I…

---

## [Pusher in not sending data](https://discourse.nodered.org/t/pusher-in-not-sending-data/89863)

<div class="topic-metadata">

**Author:** [@Ddodge40](https://discourse.nodered.org/u/Ddodge40)\
**Replies:** 0\
**Last updated:** [30 July 2024 00:50 UTC](https://discourse.nodered.org/t/pusher-in-not-sending-data/89863 "2024-07-30T00:50:11Z")

</div>

I can use pusher out to send data and can see it on the pusher dashboard. Pusher in returns no data. Their blog says version 1 is no longer supported. Where can i get the current node for pusher in and out?

---

## [Stromzählerwert "INT32(3+3)" umrechnen](https://discourse.nodered.org/t/stromzahlerwert-int32-3-3-umrechnen/89696)

<div class="topic-metadata">

**Author:** [@TWW](https://discourse.nodered.org/u/TWW)\
**Replies:** 3\
**Last updated:** [29 July 2024 21:54 UTC](https://discourse.nodered.org/t/stromzahlerwert-int32-3-3-umrechnen/89696 "2024-07-29T21:54:07Z")

</div>

Hallo Zusammen. Ich habe einen Modbus Stromzähler von B+G Tech DS100-00B. Die Spannungswerte kommen in Node-Red als "INT32(3+3)" rein. Wie wandle ich diese um damit ein sinnvoller Wert erscheint? Ich kein begnadeter Mat…

---

## [Node to trigger if a state is certain amount of time](https://discourse.nodered.org/t/node-to-trigger-if-a-state-is-certain-amount-of-time/89860)

<div class="topic-metadata">

**Author:** [@CAL37](https://discourse.nodered.org/u/CAL37)\
**Replies:** 4\
**Last updated:** [29 July 2024 20:32 UTC](https://discourse.nodered.org/t/node-to-trigger-if-a-state-is-certain-amount-of-time/89860 "2024-07-29T20:32:23Z")

</div>

Hi, I have a ESP presence sensor I'm wanting to monitor the state. If the state is "Clearance" for at least 3 minutes I want it too send a payload to turn off the lights. Is there a node anyone knows of that can do that? …

---

## [Docker minimal images - which base OS and version](https://discourse.nodered.org/t/docker-minimal-images-which-base-os-and-version/89849)

<div class="topic-metadata">

**Author:** [@calanais](https://discourse.nodered.org/u/calanais)\
**Replies:** 1\
**Last updated:** [29 July 2024 11:07 UTC](https://discourse.nodered.org/t/docker-minimal-images-which-base-os-and-version/89849 "2024-07-29T11:07:58Z")

</div>

Hi; for the the minimal docker images I believe these are based off Alpine? For the 4.0.2-22-minimal what is the Alpine version? (aside reason to ask is I've multistage docker build that install node modules - with s…

---

## [How to use GitHub Co-pilot into Node-Red?](https://discourse.nodered.org/t/how-to-use-github-co-pilot-into-node-red/89755)

<div class="topic-metadata">

**Author:** [@ranjeetCode](https://discourse.nodered.org/u/ranjeetCode)\
**Replies:** 2\
**Last updated:** [29 July 2024 05:55 UTC](https://discourse.nodered.org/t/how-to-use-github-co-pilot-into-node-red/89755 "2024-07-29T05:55:23Z")

</div>

Hi, These days i am practicing Github Co-Pilot and i want to use this into Node-Red. If it is possible to use, please guide me. Thanks.

---

## [I can´t duplicate GPIO input in node red v4.0.2](https://discourse.nodered.org/t/i-can-t-duplicate-gpio-input-in-node-red-v4-0-2/89710)

<div class="topic-metadata">

**Author:** [@macho22910](https://discourse.nodered.org/u/macho22910)\
**Replies:** 10\
**Last updated:** [28 July 2024 16:14 UTC](https://discourse.nodered.org/t/i-can-t-duplicate-gpio-input-in-node-red-v4-0-2/89710 "2024-07-28T16:14:26Z")

</div>

hello everyone, i have been working in a project with node red v3.1.0 in my project i use the same gpio input en two flows and works fine but in node red v4.0.2 does´t works anyone have an idea about that?

---

## [Grab single frame from webcam on Windows](https://discourse.nodered.org/t/grab-single-frame-from-webcam-on-windows/89804)

<div class="topic-metadata">

**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 2\
**Last updated:** [28 July 2024 14:24 UTC](https://discourse.nodered.org/t/grab-single-frame-from-webcam-on-windows/89804 "2024-07-28T14:24:16Z")

</div>

Node-RED version: v4.0.2 Node.js version: v20.7.0 Windows\_NT 10.0.19045 x64 LE I'm running the following command in an exec node D:\\PortablePrograms\\Cam2ip\\cam2ip.exe with the additional parameters -width 1920 -heigh…

---

## [I cant read more than 5 modbus Holding register](https://discourse.nodered.org/t/i-cant-read-more-than-5-modbus-holding-register/89730)

<div class="topic-metadata">

**Author:** [@nago93](https://discourse.nodered.org/u/nago93)\
**Replies:** 13\
**Last updated:** [28 July 2024 14:05 UTC](https://discourse.nodered.org/t/i-cant-read-more-than-5-modbus-holding-register/89730 "2024-07-28T14:05:29Z")

</div>

Hi! Im creating a Dashboard to show diferent values extracted from an equipment. I can read the just 5 modbus adress, but when I try to get 6 or more readings lost all the connections. How can I fix it?

---

## [Node-red-node-email formatting with ccs or html](https://discourse.nodered.org/t/node-red-node-email-formatting-with-ccs-or-html/89825)

<div class="topic-metadata">

**Author:** [@imperium85](https://discourse.nodered.org/u/imperium85)\
**Replies:** 1\
**Last updated:** [28 July 2024 04:04 UTC](https://discourse.nodered.org/t/node-red-node-email-formatting-with-ccs-or-html/89825 "2024-07-28T04:04:14Z")

</div>

Hi People, I'm using the node-red-node-email node to send out an email. It works fine, but the email looks very raw. I would like to format it maybe with css or html to add some nice touches to it. I found a css and ht…

---

## [Issues with Raspberry Pi upgrade script](https://discourse.nodered.org/t/issues-with-raspberry-pi-upgrade-script/89803)

<div class="topic-metadata">

**Author:** [@DerekK19](https://discourse.nodered.org/u/DerekK19)\
**Replies:** 7\
**Last updated:** [28 July 2024 03:10 UTC](https://discourse.nodered.org/t/issues-with-raspberry-pi-upgrade-script/89803 "2024-07-28T03:10:01Z")

</div>

There are a few bugs in the update-nodejs-and-nodered installer script. These bugs arise when using the --nodered-user parameter: This parameter sets the variable NODERED\_USER to the = part of the parameter. However the…

---

## [Function node IF-ELSE doesnt work](https://discourse.nodered.org/t/function-node-if-else-doesnt-work/89812)

<div class="topic-metadata">

**Author:** [@imperium85](https://discourse.nodered.org/u/imperium85)\
**Replies:** 7\
**Last updated:** [28 July 2024 02:25 UTC](https://discourse.nodered.org/t/function-node-if-else-doesnt-work/89812 "2024-07-28T02:25:05Z")

</div>

Hi Oeople, I creted a function node to check if the msg is equal or not. if (msg.payload\[0\].timestamp == msg.newTime) { msg.payload = '1'; } else { msg.payload = '0' } return msg; I can see in a debug window t…

---

## [Problem with node red and gpio](https://discourse.nodered.org/t/problem-with-node-red-and-gpio/89823)

<div class="topic-metadata">

**Author:** [@makomouse](https://discourse.nodered.org/u/makomouse)\
**Replies:** 1\
**Last updated:** [28 July 2024 01:30 UTC](https://discourse.nodered.org/t/problem-with-node-red-and-gpio/89823 "2024-07-28T01:30:30Z")

</div>

Hello! I'm reaching out to you after searching in many places without finding a solution. I have a Raspberry Pi 2 and a Raspberry Pi 3, both with Node-RED installed, one with 32-bit Raspbian and the other with 64-bit R…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=92)

[Next page](https://discourse.nodered.org/c/general/7.md?page=94)