# Latest

**URL:** https://discourse.nodered.org/latest.md?page=391

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

**Page:** 392

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## [Moes BHT-002 Thermostat - Zigbee - Unable control via Node-RED](https://discourse.nodered.org/t/moes-bht-002-thermostat-zigbee-unable-control-via-node-red/75646)

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**Author:** [@dazza9075](https://discourse.nodered.org/u/dazza9075)\
**Replies:** 6\
**Last updated:** [23 February 2023 21:51 UTC](https://discourse.nodered.org/t/moes-bht-002-thermostat-zigbee-unable-control-via-node-red/75646 "2023-02-23T21:51:02Z")

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Hi all, forgive me for my bumbling but i am at a loss what to do next I have installed and connected the following thermostat I am able to control the Thermostat via Z2M and HA. Node-RED / MQTT explorer pickes up the…

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## [How to get value from OpenHab to Nodered](https://discourse.nodered.org/t/how-to-get-value-from-openhab-to-nodered/75657)

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**Author:** [@demokedes](https://discourse.nodered.org/u/demokedes)\
**Replies:** 1\
**Last updated:** [23 February 2023 21:23 UTC](https://discourse.nodered.org/t/how-to-get-value-from-openhab-to-nodered/75657 "2023-02-23T21:23:07Z")

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Dear all, For the last few months I am struggling with the fact Apple Find me Node is not working anymore on Node-red. I managed to get all the information from apple through OpenHab. Now I would like to get the value t…

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## [Combine two arrays into one](https://discourse.nodered.org/t/combine-two-arrays-into-one/75652)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 3\
**Last updated:** [23 February 2023 20:18 UTC](https://discourse.nodered.org/t/combine-two-arrays-into-one/75652 "2023-02-23T20:18:19Z")

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Hello, Hi @E1cid :kissing\_heart: I´ve another data source, which I want to combine: price today \[{"total":0.2828,"energy":0.1347,"tax":0.1481,"startsAt":"2023-02-23T00:00:00.000+01:00","currency":"EUR","level":"NORM…

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## [TCP Duplex Communication](https://discourse.nodered.org/t/tcp-duplex-communication/75634)

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**Author:** [@Highlander](https://discourse.nodered.org/u/Highlander)\
**Replies:** 13\
**Last updated:** [23 February 2023 18:43 UTC](https://discourse.nodered.org/t/tcp-duplex-communication/75634 "2023-02-23T18:43:36Z")

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I have search far and wide and every where i see people asking a similar question and the people answering the fail to understand the problem. the problem! I have an inject node that must write msg.payload="Hello World…

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## [Exec node results in Docker inconsistent](https://discourse.nodered.org/t/exec-node-results-in-docker-inconsistent/75610)

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**Author:** [@LosinIt](https://discourse.nodered.org/u/LosinIt)\
**Replies:** 5\
**Last updated:** [23 February 2023 17:43 UTC](https://discourse.nodered.org/t/exec-node-results-in-docker-inconsistent/75610 "2023-02-23T17:43:08Z")

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For over a year I've been charting my Internet connection metrics as reported by speedtest-cli run from an Exec node: With this configuration: It has always had occasional fails but in the last few months the failu…

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## [Install node-red to windows server in different ports](https://discourse.nodered.org/t/install-node-red-to-windows-server-in-different-ports/75627)

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**Author:** [@mbe23](https://discourse.nodered.org/u/mbe23)\
**Replies:** 3\
**Last updated:** [23 February 2023 16:30 UTC](https://discourse.nodered.org/t/install-node-red-to-windows-server-in-different-ports/75627 "2023-02-23T16:30:56Z")

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Hello everyone, I need to install node-RED to a windows server in different ports and I can't find a way to do it. Already tried many things but none of them is working. I did this before in linux servers and it's easy …

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## [MQTT Connections - Three paylods](https://discourse.nodered.org/t/mqtt-connections-three-paylods/75514)

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**Author:** [@03397](https://discourse.nodered.org/u/03397)\
**Replies:** 10\
**Last updated:** [23 February 2023 16:18 UTC](https://discourse.nodered.org/t/mqtt-connections-three-paylods/75514 "2023-02-23T16:18:29Z")

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Hey guys, I want to do the following task in Node Red. I have 3 different mqtt topics namely Owl/Away/HotWater, Owl/Away/HeatingUpstairs and Owl/Away/HeatingDownstairs. If all three topics have payload "off" then a payl…

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## [No connection to Mosquitto with localhost (Docker)](https://discourse.nodered.org/t/no-connection-to-mosquitto-with-localhost-docker/74901)

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**Author:** [@newbow](https://discourse.nodered.org/u/newbow)\
**Replies:** 9\
**Last updated:** [23 February 2023 16:11 UTC](https://discourse.nodered.org/t/no-connection-to-mosquitto-with-localhost-docker/74901 "2023-02-23T16:11:54Z")

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First of all, I must apologize, as this topic is most likely not directly related to Node-RED, but to Docker. But maybe you guys can help me anyway. Node-RED is natively installed on a Raspberry Pi. In parallel, an ins…

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## [Node-red V3 - node.warn is not working, function node not working?](https://discourse.nodered.org/t/node-red-v3-node-warn-is-not-working-function-node-not-working/75633)

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**Author:** [@bs-eng](https://discourse.nodered.org/u/bs-eng)\
**Replies:** 5\
**Last updated:** [23 February 2023 14:33 UTC](https://discourse.nodered.org/t/node-red-v3-node-warn-is-not-working-function-node-not-working/75633 "2023-02-23T14:33:17Z")

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Hi there! I installed yesterday on a fresh Debian 11 node-red V3. After setting up some new flows I am noticing that function nodes seem not to work for me. E.g. node.warn() produces no output. A code line like msg.pay…

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## [Text node background color](https://discourse.nodered.org/t/text-node-background-color/74408)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 15\
**Last updated:** [23 February 2023 12:06 UTC](https://discourse.nodered.org/t/text-node-background-color/74408 "2023-02-23T12:06:01Z")

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I found this small demo in the forum which should do exactly what I want but it does not work. Why? I am using node-red 3.0.2 \[{"id":"26de8ce4b7e73190","type":"ui\_template","z":"183f3ef7cdd2acd5","group":"a6e358b.672ff…

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## [Error in calculation function of crc-16 check code](https://discourse.nodered.org/t/error-in-calculation-function-of-crc-16-check-code/75591)

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**Author:** [@Angin](https://discourse.nodered.org/u/Angin)\
**Replies:** 2\
**Last updated:** [23 February 2023 10:48 UTC](https://discourse.nodered.org/t/error-in-calculation-function-of-crc-16-check-code/75591 "2023-02-23T10:48:30Z")

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Hi, Steve-Mcl, sorry to bother you again, I found a bug in your previous function for calculating crc16 that the last two digits of the check code will not be displayed if there are 0's in it, what do I need to do to fix…

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## [Node-red-node-pi-gpiod unreliable results](https://discourse.nodered.org/t/node-red-node-pi-gpiod-unreliable-results/74883)

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**Author:** [@krzydec](https://discourse.nodered.org/u/krzydec)\
**Replies:** 12\
**Last updated:** [23 February 2023 09:27 UTC](https://discourse.nodered.org/t/node-red-node-pi-gpiod-unreliable-results/74883 "2023-02-23T09:27:05Z")

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Hi there, I'm using Raspberry Pi 4 and running two instances of node-red. One is installed as a docker container and the other is a standard installation on the Raspberry Pi. I'm having an issue with the node-red-node-…

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## [Messages from uibuilder page (not index.html) to nodered flow (not the flow with uibuilder node in it)](https://discourse.nodered.org/t/messages-from-uibuilder-page-not-index-html-to-nodered-flow-not-the-flow-with-uibuilder-node-in-it/75413)

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**Author:** [@ianh33](https://discourse.nodered.org/u/ianh33)\
**Replies:** 18\
**Last updated:** [23 February 2023 09:23 UTC](https://discourse.nodered.org/t/messages-from-uibuilder-page-not-index-html-to-nodered-flow-not-the-flow-with-uibuilder-node-in-it/75413 "2023-02-23T09:23:13Z")

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I am sure this is one of those "of course that's how you do it moments".... I've tried experimantation, thinking and searching (here). I have a number of uibuilder webpages for example index.html and cctv.html. I have…

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## [Ir receiver sunfounder and rgb led](https://discourse.nodered.org/t/ir-receiver-sunfounder-and-rgb-led/75503)

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**Author:** [@donuait](https://discourse.nodered.org/u/donuait)\
**Replies:** 2\
**Last updated:** [23 February 2023 08:20 UTC](https://discourse.nodered.org/t/ir-receiver-sunfounder-and-rgb-led/75503 "2023-02-23T08:20:17Z")

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Good morning everyone. I would like to create a node-red flow that allows me to assign commands to the ir receiver through a sunfounder remote control that allow me to change the color of an rgb led. The RGB led sensor i…

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## [Reading & writing global variable at the same time](https://discourse.nodered.org/t/reading-writing-global-variable-at-the-same-time/74070)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 10\
**Last updated:** [23 February 2023 06:15 UTC](https://discourse.nodered.org/t/reading-writing-global-variable-at-the-same-time/74070 "2023-02-23T06:15:42Z")

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Need help in understanding the best way to use global.set & global.get I'm reading OMRON plc D tags using FINS multiple node using below steps:- injecting below code using function node var tag\_1 = 'D1,D2,D3 .........…

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## [Convert string of char to decimal?](https://discourse.nodered.org/t/convert-string-of-char-to-decimal/75596)

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**Author:** [@SPS](https://discourse.nodered.org/u/SPS)\
**Replies:** 4\
**Last updated:** [23 February 2023 02:36 UTC](https://discourse.nodered.org/t/convert-string-of-char-to-decimal/75596 "2023-02-23T02:36:52Z")

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Hey Experts, I hope to find some helps here. At first I convert INT to CHAR --\> Easy, take a look: // Split the string into array of individual values var parts = msg.payload.split(" "); // Remove the last blank part…

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## [How to fix "cannot GET /URL" error on refresh with template node](https://discourse.nodered.org/t/how-to-fix-cannot-get-url-error-on-refresh-with-template-node/74893)

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**Author:** [@anilsagar](https://discourse.nodered.org/u/anilsagar)\
**Replies:** 2\
**Last updated:** [23 February 2023 01:52 UTC](https://discourse.nodered.org/t/how-to-fix-cannot-get-url-error-on-refresh-with-template-node/74893 "2023-02-23T01:52:41Z")

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I have used an automated refresh of a web page within template node. Every now and then I get "cannot GET /URL" error on the automated refresh. When that happens, I have to manually refresh the page again to get page pro…

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## [Pass a payload via the status framework](https://discourse.nodered.org/t/pass-a-payload-via-the-status-framework/75587)

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**Author:** [@ThorbenJ](https://discourse.nodered.org/u/ThorbenJ)\
**Replies:** 6\
**Last updated:** [22 February 2023 22:50 UTC](https://discourse.nodered.org/t/pass-a-payload-via-the-status-framework/75587 "2023-02-22T22:50:31Z")

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Hi. I've created some nodes that provide detailed status information via a second output. However it seemed to me that it might be nicer if I used the existing status framework: this.status({fill:"red",shape:"ring",tex…

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## [Krakul/node-red-modbus-rtu-slave writing multiple values at once](https://discourse.nodered.org/t/krakul-node-red-modbus-rtu-slave-writing-multiple-values-at-once/75609)

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**Author:** [@Gh0st90](https://discourse.nodered.org/u/Gh0st90)\
**Replies:** 0\
**Last updated:** [22 February 2023 22:21 UTC](https://discourse.nodered.org/t/krakul-node-red-modbus-rtu-slave-writing-multiple-values-at-once/75609 "2023-02-22T22:21:12Z")

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Hello, I have installed the krakul/node-red-modbus-rtu-slave pakage on my raspi with node-red version 3.0.2, I need to write a response on the following request. The modbus-rtu-writer in the pakage can only write one …

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## [Install modbus-rtu-slave error](https://discourse.nodered.org/t/install-modbus-rtu-slave-error/75473)

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**Author:** [@Gh0st90](https://discourse.nodered.org/u/Gh0st90)\
**Replies:** 10\
**Last updated:** [22 February 2023 22:06 UTC](https://discourse.nodered.org/t/install-modbus-rtu-slave-error/75473 "2023-02-22T22:06:04Z")

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Hello Guys, i have a Problem with installing the modbus-rtu-slave pakage in node-red. When i try to Install it, i get this Error Message: 2023-02-20T12:31:56.914Z Installieren : @krakul/node-red-modbus-rtu-slave 1.0.1…

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## [Hello, I'm having a problem with the node red, when I will inject post in http to the strapi, I get a error: RequestError: connect ECONNREFUSED localhost:1337](https://discourse.nodered.org/t/hello-im-having-a-problem-with-the-node-red-when-i-will-inject-post-in-http-to-the-strapi-i-get-a-error-requesterror-connect-econnrefused-localhost-1337/75534)

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**Author:** [@kevinpetroni](https://discourse.nodered.org/u/kevinpetroni)\
**Replies:** 3\
**Last updated:** [22 February 2023 21:10 UTC](https://discourse.nodered.org/t/hello-im-having-a-problem-with-the-node-red-when-i-will-inject-post-in-http-to-the-strapi-i-get-a-error-requesterror-connect-econnrefused-localhost-1337/75534 "2023-02-22T21:10:19Z")

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Hello, I'm having a problem with the node red, when I will inject post in http to the strapi, I get a error: RequestError: connect ECONNREFUSED localhost:1337. Note: I put my local ip to get, but if i put localhost I …

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## [Strip character from text string](https://discourse.nodered.org/t/strip-character-from-text-string/75605)

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**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 5\
**Last updated:** [22 February 2023 20:07 UTC](https://discourse.nodered.org/t/strip-character-from-text-string/75605 "2023-02-22T20:07:45Z")

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I get some data from a sensor that looks like I assume the little arrow in the front of the text must be some kind of carriage return? I haven't figured out how to strip that from the payload. That character is always…

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## [Protobuf encoder returns empty buffer payload (3)](https://discourse.nodered.org/t/protobuf-encoder-returns-empty-buffer-payload-3/75517)

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**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 2\
**Last updated:** [22 February 2023 20:03 UTC](https://discourse.nodered.org/t/protobuf-encoder-returns-empty-buffer-payload-3/75517 "2023-02-22T20:03:50Z")

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I see there are two other topics on this issue but I'm still having trouble getting my message to encode. As suggested by the first topic I tried nesting the payload inside another payload. Either way I still get an emp…

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## [Simple presence trigger with home assistant](https://discourse.nodered.org/t/simple-presence-trigger-with-home-assistant/75530)

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**Author:** [@Osiris](https://discourse.nodered.org/u/Osiris)\
**Replies:** 3\
**Last updated:** [22 February 2023 17:38 UTC](https://discourse.nodered.org/t/simple-presence-trigger-with-home-assistant/75530 "2023-02-22T17:38:08Z")

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Hello, I am new to Node Red and the event driven logic, but familiar with traditional programming. As my first project, I want to do a simple presence tracker for two Home Assistant person instances, but somehow fail t…

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## [\[Feature Request\]Help prevent crossing wires from Switch node](https://discourse.nodered.org/t/feature-request-help-prevent-crossing-wires-from-switch-node/75233)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 72\
**Last updated:** [22 February 2023 16:24 UTC](https://discourse.nodered.org/t/feature-request-help-prevent-crossing-wires-from-switch-node/75233 "2023-02-22T16:24:08Z")

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I've always been hoping to see the switch node gain a few extra features but things have been very quiet with it for a while now. One issue I'd like to see resolved is some method of easily getting around this type of c…

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## [ChatGpt and node red](https://discourse.nodered.org/t/chatgpt-and-node-red/73574)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 15\
**Last updated:** [22 February 2023 16:11 UTC](https://discourse.nodered.org/t/chatgpt-and-node-red/73574 "2023-02-22T16:11:50Z")

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Hi all, ChatGpt seems to be the new hot potato around, any body had a go with ChatGpt and nodered, in particular using ChatGpt to generate nodered function code? I am just getting my head around the concept at the mome…

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## [How to pass arguments into tcp ping node?](https://discourse.nodered.org/t/how-to-pass-arguments-into-tcp-ping-node/75583)

<div class="topic-metadata">

**Author:** [@fdu11235](https://discourse.nodered.org/u/fdu11235)\
**Replies:** 3\
**Last updated:** [22 February 2023 16:11 UTC](https://discourse.nodered.org/t/how-to-pass-arguments-into-tcp-ping-node/75583 "2023-02-22T16:11:16Z")

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Hey guys, I am working with the node-red-contrib-tcp-ping package to ping some tcp nodes in my network. It works by manually setting ipaddress and port. I tried to pass those arguments using an incoming message but wasn…

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## [How can I put a pdf file (or more) into a zip archive and send it via email?](https://discourse.nodered.org/t/how-can-i-put-a-pdf-file-or-more-into-a-zip-archive-and-send-it-via-email/75576)

<div class="topic-metadata">

**Author:** [@DidoMarchet](https://discourse.nodered.org/u/DidoMarchet)\
**Replies:** 6\
**Last updated:** [22 February 2023 15:58 UTC](https://discourse.nodered.org/t/how-can-i-put-a-pdf-file-or-more-into-a-zip-archive-and-send-it-via-email/75576 "2023-02-22T15:58:06Z")

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Hi guys, I've a flow that generates a pdf and sends it as attachment via email. I would like to put this file into a zip archive using node-red-contrib-zip (node) - Node-RED and send the Zip via email (in the future wi…

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## [How to pick a msg from a msg stream](https://discourse.nodered.org/t/how-to-pick-a-msg-from-a-msg-stream/75586)

<div class="topic-metadata">

**Author:** [@bs-eng](https://discourse.nodered.org/u/bs-eng)\
**Replies:** 2\
**Last updated:** [22 February 2023 14:34 UTC](https://discourse.nodered.org/t/how-to-pick-a-msg-from-a-msg-stream/75586 "2023-02-22T14:34:12Z")

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Hi there! I got the following scenario: sensor A is delivering continuously data by means of serial interface sensor B is delivering one trigger msg every once in a while (operator hits a button) What I am trying to …

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## [Node-red-contrib-uk-national-rail stopped working?](https://discourse.nodered.org/t/node-red-contrib-uk-national-rail-stopped-working/75579)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 6\
**Last updated:** [22 February 2023 14:30 UTC](https://discourse.nodered.org/t/node-red-contrib-uk-national-rail-stopped-working/75579 "2023-02-22T14:30:32Z")

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Is anyone else having trouble with this node? I'm using it to show a departures board for my local station. The table does refresh, but the trains shown do not go from the station code requested (I think they are depart…

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