# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=281

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

**Page:** 282

---

## ["unhealthy" docker-state because of ENOTFOUND](https://discourse.nodered.org/t/unhealthy-docker-state-because-of-enotfound/82538)

<div class="topic-metadata">

**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\
**Replies:** 0\
**Last updated:** [1 November 2023 22:09 UTC](https://discourse.nodered.org/t/unhealthy-docker-state-because-of-enotfound/82538 "2023-11-01T22:09:50Z")

</div>

Hello, i'm using Node-RED for my home automation and there are different outgoing connections. Some of them are wifi, and also some of them in some cases are not connected all day long or have a weak wifi connection so …

---

## [Reading out String](https://discourse.nodered.org/t/reading-out-string/82525)

<div class="topic-metadata">

**Author:** [@Marv](https://discourse.nodered.org/u/Marv)\
**Replies:** 23\
**Last updated:** [1 November 2023 22:07 UTC](https://discourse.nodered.org/t/reading-out-string/82525 "2023-11-01T22:07:43Z")

</div>

How do I find out which string i can use if i want to read out only one? For example i want to see the temp:12 on a Dashboard how do I find oit the position?

---

## [Problem with Flow with OPCUA Server](https://discourse.nodered.org/t/problem-with-flow-with-opcua-server/82533)

<div class="topic-metadata">

**Author:** [@Ahmaad](https://discourse.nodered.org/u/Ahmaad)\
**Replies:** 0\
**Last updated:** [1 November 2023 20:54 UTC](https://discourse.nodered.org/t/problem-with-flow-with-opcua-server/82533 "2023-11-01T20:54:39Z")

</div>

Hello everyone, I have a problem with building an OPC UA server. I have built a flow where I use an OPC UA server. Everything worked great. I recently checked again and then I see that nothing works anymore. Node-Red …

---

## [Spotify problems with id](https://discourse.nodered.org/t/spotify-problems-with-id/82532)

<div class="topic-metadata">

**Author:** [@Ino](https://discourse.nodered.org/u/Ino)\
**Replies:** 0\
**Last updated:** [1 November 2023 20:41 UTC](https://discourse.nodered.org/t/spotify-problems-with-id/82532 "2023-11-01T20:41:48Z")

</div>

I want import several data (album, playlist,...) of my spotify account in the node-red-contrib-spotify node. I have a paid membership of spotify and after creating the app I get a client id and a client secret. I am usin…

---

## [Yearly light schedule](https://discourse.nodered.org/t/yearly-light-schedule/82528)

<div class="topic-metadata">

**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\
**Replies:** 0\
**Last updated:** [1 November 2023 18:33 UTC](https://discourse.nodered.org/t/yearly-light-schedule/82528 "2023-11-01T18:33:12Z")

</div>

Has anyone done or know how I can setup a dashboard that has a year calendar on it that I can set a lighting schedule for each day that I select?

---

## [Use group env.variable for DB nodes names](https://discourse.nodered.org/t/use-group-env-variable-for-db-nodes-names/82403)

<div class="topic-metadata">

**Author:** [@JeromeVISUALS](https://discourse.nodered.org/u/JeromeVISUALS)\
**Replies:** 3\
**Last updated:** [1 November 2023 16:50 UTC](https://discourse.nodered.org/t/use-group-env-variable-for-db-nodes-names/82403 "2023-11-01T16:50:57Z")

</div>

Hi there, Still figuring how to handle code blocks repetition the easiest way. I know that DB nodes in sub-flows is not an option, but maybe there is a kind of work-around with node groups. Let's say I have a group of…

---

## [Bug? Case sensitivity in resources folder for custom nodes](https://discourse.nodered.org/t/bug-case-sensitivity-in-resources-folder-for-custom-nodes/82500)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [1 November 2023 16:30 UTC](https://discourse.nodered.org/t/bug-case-sensitivity-in-resources-folder-for-custom-nodes/82500 "2023-11-01T16:30:35Z")

</div>

I think that case sensitivity was raised a while back because there is a disjoint between how ExpressJS is set up to handle it and how Socket.IO handles it. However, I think this might be a slightly different case. I'm…

---

## [How can I set the state of buttons when load the page](https://discourse.nodered.org/t/how-can-i-set-the-state-of-buttons-when-load-the-page/82518)

<div class="topic-metadata">

**Author:** [@lucianv](https://discourse.nodered.org/u/lucianv)\
**Replies:** 3\
**Last updated:** [1 November 2023 16:12 UTC](https://discourse.nodered.org/t/how-can-i-set-the-state-of-buttons-when-load-the-page/82518 "2023-11-01T16:12:18Z")

</div>

Hi, I have a simple flow with 2 buttons. First button is general menu and button2 is a submenu. When click button1, it goes hidden and button2 came visible and viceversa. My issue is that when I load the page first time…

---

## [Having problems iterating over array](https://discourse.nodered.org/t/having-problems-iterating-over-array/82513)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 21\
**Last updated:** [1 November 2023 15:46 UTC](https://discourse.nodered.org/t/having-problems-iterating-over-array/82513 "2023-11-01T15:46:00Z")

</div>

What am I doing wrong here that gives me this unexpected result \[{"id":"fef7fe8fd4d77d41","type":"inject","z":"b2bde7ab2cd3fea7","name":"","props":\[{"p":"payload"}\],"repeat":"","crontab":"","once":false,"onceDelay…

---

## [Udp out, eth0 interface](https://discourse.nodered.org/t/udp-out-eth0-interface/82504)

<div class="topic-metadata">

**Author:** [@kubasmyk](https://discourse.nodered.org/u/kubasmyk)\
**Replies:** 3\
**Last updated:** [1 November 2023 15:25 UTC](https://discourse.nodered.org/t/udp-out-eth0-interface/82504 "2023-11-01T15:25:22Z")

</div>

Hi there, I’m trying to send udp broadcast message to ip address 255.255.255.255 I can see the message successfully comes out on the eth1 as this is where my router with internet location is located. However I require…

---

## [Dynamic node instantiation](https://discourse.nodered.org/t/dynamic-node-instantiation/82517)

<div class="topic-metadata">

**Author:** [@avk999](https://discourse.nodered.org/u/avk999)\
**Replies:** 3\
**Last updated:** [1 November 2023 14:22 UTC](https://discourse.nodered.org/t/dynamic-node-instantiation/82517 "2023-11-01T14:22:03Z")

</div>

I run a relatively complex heating control flow which controls a boiler and a set of TRVs in each zone. I use a list of zones in flow.context and inject/split combo to generate messages for each zone, they trigger funct…

---

## [Node-red-contrib-bluetooth-serial-port installed failed](https://discourse.nodered.org/t/node-red-contrib-bluetooth-serial-port-installed-failed/82502)

<div class="topic-metadata">

**Author:** [@sevekeno](https://discourse.nodered.org/u/sevekeno)\
**Replies:** 3\
**Last updated:** [1 November 2023 13:49 UTC](https://discourse.nodered.org/t/node-red-contrib-bluetooth-serial-port-installed-failed/82502 "2023-11-01T13:49:30Z")

</div>

Hi everyone! I have a problems while installing the node node-red-contrib-bluetooth-serial-port. With node-red-contrib-bluetooth-serial-api (node) - Node-RED too but i resolved installing Visual Studio. Can anyone hel…

---

## [String Subtracion](https://discourse.nodered.org/t/string-subtracion/82514)

<div class="topic-metadata">

**Author:** [@Marv](https://discourse.nodered.org/u/Marv)\
**Replies:** 2\
**Last updated:** [1 November 2023 13:35 UTC](https://discourse.nodered.org/t/string-subtracion/82514 "2023-11-01T13:35:05Z")

</div>

I am getting 2 different string values- and i want to do subtraction with it. Has anyone a function for it?

---

## [Sending messages from multiple ui-template nodes](https://discourse.nodered.org/t/sending-messages-from-multiple-ui-template-nodes/82515)

<div class="topic-metadata">

**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 0\
**Last updated:** [1 November 2023 13:11 UTC](https://discourse.nodered.org/t/sending-messages-from-multiple-ui-template-nodes/82515 "2023-11-01T13:11:49Z")

</div>

In my dashboard implementations, I use ui-template nodes (with HTML & JavaScript) to support multi-user functionality. It works great and I am able to send & receive messages from/to other nodes in the flow. However, th…

---

## [BIN Image from device](https://discourse.nodered.org/t/bin-image-from-device/82509)

<div class="topic-metadata">

**Author:** [@schnello](https://discourse.nodered.org/u/schnello)\
**Replies:** 4\
**Last updated:** [1 November 2023 12:09 UTC](https://discourse.nodered.org/t/bin-image-from-device/82509 "2023-11-01T12:09:29Z")

</div>

Hello. We use node-red to controll a Vision Inspection System. Works very well but one thing i miss. I want get directly via TCP the image from the camera. From the inspection system manual: I demo code written in…

---

## [Node, is If an input is give](https://discourse.nodered.org/t/node-is-if-an-input-is-give/82508)

<div class="topic-metadata">

**Author:** [@Tomi](https://discourse.nodered.org/u/Tomi)\
**Replies:** 2\
**Last updated:** [1 November 2023 08:28 UTC](https://discourse.nodered.org/t/node-is-if-an-input-is-give/82508 "2023-11-01T08:28:06Z")

</div>

If input is give from a node, is it possible to send data as 1 and receive it from the accordance flow node?

---

## [Hello function 3 malfunction How it works](https://discourse.nodered.org/t/hello-function-3-malfunction-how-it-works/82505)

<div class="topic-metadata">

**Author:** [@ShinDongHen](https://discourse.nodered.org/u/ShinDongHen)\
**Replies:** 4\
**Last updated:** [1 November 2023 07:45 UTC](https://discourse.nodered.org/t/hello-function-3-malfunction-how-it-works/82505 "2023-11-01T07:45:58Z")

</div>

Hello, thank you very much for your help. I really like the joy of learning. in function block The part about the code doesn't seem to work well, but I also referenced information on the Internet. var msg0={payload:(m…

---

## [Ratio per second](https://discourse.nodered.org/t/ratio-per-second/82132)

<div class="topic-metadata">

**Author:** [@Pehuen](https://discourse.nodered.org/u/Pehuen)\
**Replies:** 3\
**Last updated:** [1 November 2023 06:59 UTC](https://discourse.nodered.org/t/ratio-per-second/82132 "2023-11-01T06:59:58Z")

</div>

Hello, is it possible to make a ramp that goes from 0 to a certain value automatically? By giving a pulse that increases in a ratio per second

---

## [Hello How to turn on UI LED with buffer data value?](https://discourse.nodered.org/t/hello-how-to-turn-on-ui-led-with-buffer-data-value/82488)

<div class="topic-metadata">

**Author:** [@ShinDongHen](https://discourse.nodered.org/u/ShinDongHen)\
**Replies:** 8\
**Last updated:** [1 November 2023 00:06 UTC](https://discourse.nodered.org/t/hello-how-to-turn-on-ui-led-with-buffer-data-value/82488 "2023-11-01T00:06:34Z")

</div>

hello as shown in the picture Calculate the buffer data as a number I'm trying to turn on the UI LED with a value of 52488. What should I do? Thank you for your interest.

---

## [RETURN a Payload and a Topic with Function like a injectnode](https://discourse.nodered.org/t/return-a-payload-and-a-topic-with-function-like-a-injectnode/82478)

<div class="topic-metadata">

**Author:** [@einfach112](https://discourse.nodered.org/u/einfach112)\
**Replies:** 3\
**Last updated:** [31 October 2023 23:38 UTC](https://discourse.nodered.org/t/return-a-payload-and-a-topic-with-function-like-a-injectnode/82478 "2023-10-31T23:38:27Z")

</div>

Hello everyone, With an inject node as shown in the photo I manage to send a payload with the content 139790555651 and at the same time a topic with the content 120 (the values don't matter) Here is a picture of the fun…

---

## [Node-Red Installation Issue](https://discourse.nodered.org/t/node-red-installation-issue/82442)

<div class="topic-metadata">

**Author:** [@xytsrm](https://discourse.nodered.org/u/xytsrm)\
**Replies:** 21\
**Last updated:** [29 October 2023 20:21 UTC](https://discourse.nodered.org/t/node-red-installation-issue/82442 "2023-10-29T20:21:57Z")

</div>

I currently have Node-Red running on 2 PC's one version I access via the localhost, the other I access over the local network. The localhost Dashboard version does not respond to Right-Mouse clicks (no popup window), th…

---

## [Array selection help - Selecting last item in array](https://discourse.nodered.org/t/array-selection-help-selecting-last-item-in-array/82496)

<div class="topic-metadata">

**Author:** [@XcOM987](https://discourse.nodered.org/u/XcOM987)\
**Replies:** 14\
**Last updated:** [31 October 2023 20:15 UTC](https://discourse.nodered.org/t/array-selection-help-selecting-last-item-in-array/82496 "2023-10-31T20:15:46Z")

</div>

Hi, I am trying to pull an array from a home assistant sensors attribute, what I want to do is just pass along the last array entry, the issue is the array naming structure is different every time: \[{"id":"861739536…

---

## [Load external modules in the function node](https://discourse.nodered.org/t/load-external-modules-in-the-function-node/82451)

<div class="topic-metadata">

**Author:** [@Henjoe](https://discourse.nodered.org/u/Henjoe)\
**Replies:** 12\
**Last updated:** [31 October 2023 16:57 UTC](https://discourse.nodered.org/t/load-external-modules-in-the-function-node/82451 "2023-10-31T16:57:40Z")

</div>

Hi, How can I load or use external libraries to a function node? I wanna use the "influx" node to my function. I read a lot of tutorials about it seems like it never worked to me. Hope you guys can help me. This is my …

---

## [The editor is not a dashboard (no synths)](https://discourse.nodered.org/t/the-editor-is-not-a-dashboard-no-synths/82480)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [31 October 2023 16:48 UTC](https://discourse.nodered.org/t/the-editor-is-not-a-dashboard-no-synths/82480 "2023-10-31T16:48:19Z")

</div>

When I was young, a band called Queen came along. On there early albums, they proudly said "No synths used" This was later dropped (Also see Google and "Do No Evil" as well) :slight\_smile: Is it time to drop "The edit…

---

## [Simple step through outputs on trigger](https://discourse.nodered.org/t/simple-step-through-outputs-on-trigger/82490)

<div class="topic-metadata">

**Author:** [@pabutterworth](https://discourse.nodered.org/u/pabutterworth)\
**Replies:** 7\
**Last updated:** [31 October 2023 16:27 UTC](https://discourse.nodered.org/t/simple-step-through-outputs-on-trigger/82490 "2023-10-31T16:27:46Z")

</div>

Hi, I have what I think should be really simple challenge, but am struggling. I want to setup a flow where each time the flow is triggered it triggers the next output in a sequence I can do with a complex if then else…

---

## [Current best weather API (2023)?](https://discourse.nodered.org/t/current-best-weather-api-2023/82310)

<div class="topic-metadata">

**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 29\
**Last updated:** [31 October 2023 16:24 UTC](https://discourse.nodered.org/t/current-best-weather-api-2023/82310 "2023-10-31T16:24:10Z")

</div>

I know this subject comes up quite often, but it's a moving target :wink: I'm about to revamp my weather flows and thought I would see if there is any consensus around the best UK API to use. I have been using OWM but …

---

## [Import module node-crc](https://discourse.nodered.org/t/import-module-node-crc/82493)

<div class="topic-metadata">

**Author:** [@Sineos](https://discourse.nodered.org/u/Sineos)\
**Replies:** 0\
**Last updated:** [31 October 2023 14:29 UTC](https://discourse.nodered.org/t/import-module-node-crc/82493 "2023-10-31T14:29:47Z")

</div>

Hi all, I'm trying to use the module node-crc and while other imported modules work, I cannot get this one to work. 1st attempt: called with: const result = nodecrc.crc(...) always ends up with: TypeError: Canno…

---

## [Node-red won't start on Home assistant](https://discourse.nodered.org/t/node-red-wont-start-on-home-assistant/82435)

<div class="topic-metadata">

**Author:** [@suriya](https://discourse.nodered.org/u/suriya)\
**Replies:** 4\
**Last updated:** [31 October 2023 09:07 UTC](https://discourse.nodered.org/t/node-red-wont-start-on-home-assistant/82435 "2023-10-31T09:07:09Z")

</div>

Node-red won't start on home assistant, how to fix it?

---

## [Hello how to division msg.payload value /10](https://discourse.nodered.org/t/hello-how-to-division-msg-payload-value-10/82481)

<div class="topic-metadata">

**Author:** [@ShinDongHen](https://discourse.nodered.org/u/ShinDongHen)\
**Replies:** 8\
**Last updated:** [31 October 2023 12:20 UTC](https://discourse.nodered.org/t/hello-how-to-division-msg-payload-value-10/82481 "2023-10-31T12:20:48Z")

</div>

hello I would like to inquire about a script issue in Function Block. I've never done a script before... The value of msg.payload is 203. I want to divide by 20.3. Please advise. Please help. Thank you so much …

---

## [RS485/ Modbus 2x 16Bit Buffer conversion to signed 24Bit Datatype from Finder-Meter 7M38](https://discourse.nodered.org/t/rs485-modbus-2x-16bit-buffer-conversion-to-signed-24bit-datatype-from-finder-meter-7m38/82443)

<div class="topic-metadata">

**Author:** [@chris123](https://discourse.nodered.org/u/chris123)\
**Replies:** 1\
**Last updated:** [31 October 2023 09:54 UTC](https://discourse.nodered.org/t/rs485-modbus-2x-16bit-buffer-conversion-to-signed-24bit-datatype-from-finder-meter-7m38/82443 "2023-10-31T09:54:47Z")

</div>

Hi all, I got help here already with a similar problem but now i got stuck again. I'm reading values from a finder energymeter with modbus into node-red. That's ok. But now I'm not able to convert the two incomming 16…

[Previous page](https://discourse.nodered.org/latest.md?no_subcategories=false&page=280)

[Next page](https://discourse.nodered.org/latest.md?no_subcategories=false&page=282)