# Latest

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

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## [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")

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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?

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## [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")

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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…

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## [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")

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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…

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## [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")

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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…

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

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**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")

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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…

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

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**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")

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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…

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## [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")

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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…

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## [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")

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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…

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## [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")

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

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## [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")

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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…

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## [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")

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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…

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## [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")

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

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## [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")

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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…

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## [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")

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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

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## [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")

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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.

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## [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")

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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…

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## [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")

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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…

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## [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")

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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…

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## [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")

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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 …

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## [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")

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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…

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## [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")

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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…

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## [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")

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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 …

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## [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")

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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…

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## [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")

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

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## [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")

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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 …

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## [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")

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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…

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## [\[ANNOUNCEMENT\] node-red-contrib-blockly version 2.1.0 & 2.2.0 & 2.3.0](https://discourse.nodered.org/t/announcement-node-red-contrib-blockly-version-2-1-0-2-2-0-2-3-0/82126)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 19\
**Last updated:** [30 October 2023 21:35 UTC](https://discourse.nodered.org/t/announcement-node-red-contrib-blockly-version-2-1-0-2-2-0-2-3-0/82126 "2023-10-30T21:35:33Z")

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Hi folks, For the people that prefer programming graphically by dragging and dropping Blockly blocks (instead of typing Javascript code in a function node), node-red-contrib-blockly version 2.1.0 is now available in you…

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## [Vanishing flows](https://discourse.nodered.org/t/vanishing-flows/82362)

<div class="topic-metadata">

**Author:** [@Trocergian](https://discourse.nodered.org/u/Trocergian)\
**Replies:** 11\
**Last updated:** [30 October 2023 21:15 UTC](https://discourse.nodered.org/t/vanishing-flows/82362 "2023-10-30T21:15:07Z")

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I've been running a node-red flow that take data from a raspberry pi and inputs it into an online postgres database. It's been running fine fr over a year. Then ealier this week I was notified of a data stoppage and when …

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## [Help me to read this register](https://discourse.nodered.org/t/help-me-to-read-this-register/82461)

<div class="topic-metadata">

**Author:** [@Asif128935](https://discourse.nodered.org/u/Asif128935)\
**Replies:** 3\
**Last updated:** [30 October 2023 19:52 UTC](https://discourse.nodered.org/t/help-me-to-read-this-register/82461 "2023-10-30T19:52:09Z")

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Please give me some idea to develop this marked register in node red.

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## [CSV node: Regional settings in date, time and numeric variables](https://discourse.nodered.org/t/csv-node-regional-settings-in-date-time-and-numeric-variables/82474)

<div class="topic-metadata">

**Author:** [@jw\_te\_r](https://discourse.nodered.org/u/jw_te_r)\
**Replies:** 6\
**Last updated:** [30 October 2023 18:50 UTC](https://discourse.nodered.org/t/csv-node-regional-settings-in-date-time-and-numeric-variables/82474 "2023-10-30T18:50:06Z")

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I made a MySQL table to save sensor data which is defined like so: var topic; topic = "CREATE TABLE \`datapoint\` ( "; topic = topic + "\`no\` INT NOT NULL AUTO\_INCREMENT,"; topic = topic + "\`date\` TIMESTAMP DEFAULT CURREN…

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