# Latest

**URL:** https://discourse.nodered.org/latest.md?page=945

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

**Page:** 946

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## [Node-Red page load question](https://discourse.nodered.org/t/node-red-page-load-question/36581)

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**Author:** [@K9714](https://discourse.nodered.org/u/K9714)\
**Replies:** 2\
**Last updated:** [26 November 2020 21:11 UTC](https://discourse.nodered.org/t/node-red-page-load-question/36581 "2020-11-26T21:11:05Z")

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hi. I'm going to work after all the Node-Red pages are loaded. ex) similar to onload, Changing html tag values, etc. Is there a function called after all node-red pages have been loaded?

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## ['dropdown' node - layout help](https://discourse.nodered.org/t/dropdown-node-layout-help/36432)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 23\
**Last updated:** [26 November 2020 20:47 UTC](https://discourse.nodered.org/t/dropdown-node-layout-help/36432 "2020-11-26T20:47:27Z")

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I have not used the dropdown node much - if at all. I am kind of seeing why. (No offense) But the node (GUI side) is very..... poorly done. To get the dropdown list visible I have to click on that tiny thing at th…

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## [Telegram Groups and Bots](https://discourse.nodered.org/t/telegram-groups-and-bots/36496)

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**Author:** [@dr\_cave\_dweller](https://discourse.nodered.org/u/dr_cave_dweller)\
**Replies:** 3\
**Last updated:** [26 November 2020 20:27 UTC](https://discourse.nodered.org/t/telegram-groups-and-bots/36496 "2020-11-26T20:27:54Z")

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I think the answer to this is no, bots can not post to other bots directly, but thought it was worth asking if there is anyway to do this indirectly like through a group chat? I tried to setup a group in Telegram with o…

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## [HUE on with transitionTime](https://discourse.nodered.org/t/hue-on-with-transitiontime/33221)

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**Author:** [@valbuz](https://discourse.nodered.org/u/valbuz)\
**Replies:** 13\
**Last updated:** [26 November 2020 19:47 UTC](https://discourse.nodered.org/t/hue-on-with-transitiontime/33221 "2020-11-26T19:47:05Z")

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i start my outdoor lights with a transitionTime when it goes dark. but every the group start's with a brightness level of 100% and then start with dimming up from 0%-100% why ? How can i disable this? my Script looks…

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## [Play Audio TTS via 3.5 mm audio out on Raspberry Pi](https://discourse.nodered.org/t/play-audio-tts-via-3-5-mm-audio-out-on-raspberry-pi/36571)

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**Author:** [@rkrasowski](https://discourse.nodered.org/u/rkrasowski)\
**Replies:** 3\
**Last updated:** [26 November 2020 18:41 UTC](https://discourse.nodered.org/t/play-audio-tts-via-3-5-mm-audio-out-on-raspberry-pi/36571 "2020-11-26T18:41:51Z")

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Hi, I have been struggling with this and I am lost. What I am trying to do is to play audio (TTS) via 3.5 mm audio out. Below is the flow: \[{"id":"61406ded.bf2fa4","type":"tab","label":"Flow 1","disabled":false,"info":…

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## [Function question](https://discourse.nodered.org/t/function-question/36572)

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**Author:** [@corin.corvus](https://discourse.nodered.org/u/corin.corvus)\
**Replies:** 7\
**Last updated:** [26 November 2020 17:55 UTC](https://discourse.nodered.org/t/function-question/36572 "2020-11-26T17:55:50Z")

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Hi, i try to add a function in my flow. i have 2 inputs: playstate of my sonos speaker = msg.payload.play powerstate of my kenwood amp = msg.payload.kenwood I want toggle my Amp, if the playstate and powerstate are …

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## [Simple flow not working as expected](https://discourse.nodered.org/t/simple-flow-not-working-as-expected/36538)

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**Author:** [@scottm](https://discourse.nodered.org/u/scottm)\
**Replies:** 4\
**Last updated:** [26 November 2020 16:31 UTC](https://discourse.nodered.org/t/simple-flow-not-working-as-expected/36538 "2020-11-26T16:31:28Z")

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Hello, new user here... I'm trying to figure out why a flow isn't working as expected. First, though, I've exported the flow from Node-Red which is installed inside my Home Assistant on a Raspberry Pi. I'm attaching it …

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## [JSONata ~\> (transform) question](https://discourse.nodered.org/t/jsonata-transform-question/36403)

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**Author:** [@bogorad](https://discourse.nodered.org/u/bogorad)\
**Replies:** 6\
**Last updated:** [26 November 2020 16:01 UTC](https://discourse.nodered.org/t/jsonata-transform-question/36403 "2020-11-26T16:01:10Z")

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I'm trying to keep 'last\_seen' values (milliseconds) about several devices in a global hash called 'last\_seen' using MAC addresses as keys. e.g.: { "11-22-33-44-55-66": {"last\_seen": 0,"reported": false}, "AABBC…

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## [Packet data size with ssl and without ssl encryption](https://discourse.nodered.org/t/packet-data-size-with-ssl-and-without-ssl-encryption/36569)

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**Author:** [@saeed1](https://discourse.nodered.org/u/saeed1)\
**Replies:** 0\
**Last updated:** [26 November 2020 15:37 UTC](https://discourse.nodered.org/t/packet-data-size-with-ssl-and-without-ssl-encryption/36569 "2020-11-26T15:37:01Z")

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Hi People, I want to know if the data packet size increases, when we shifft from mqtt to mqtts. I was first using mqtt Now i am using an SSL encryption to use the mqtts. Would be great if someone can help me to unde…

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## [Limit API or AJAX requests (and send statusCode 429)](https://discourse.nodered.org/t/limit-api-or-ajax-requests-and-send-statuscode-429/36552)

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**Author:** [@Nxito](https://discourse.nodered.org/u/Nxito)\
**Replies:** 2\
**Last updated:** [26 November 2020 15:03 UTC](https://discourse.nodered.org/t/limit-api-or-ajax-requests-and-send-statuscode-429/36552 "2020-11-26T15:03:15Z")

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I haven't found a way to do this right Would someone know how to limit receiving many api requests, sending Error 429 (too many requests) to all clients? In this way that I have, it is only sent to the last \[{"id":"2c…

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## [Setting up Multiple Node-Red instances on a college Network](https://discourse.nodered.org/t/setting-up-multiple-node-red-instances-on-a-college-network/36211)

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**Author:** [@j6bay](https://discourse.nodered.org/u/j6bay)\
**Replies:** 7\
**Last updated:** [26 November 2020 14:53 UTC](https://discourse.nodered.org/t/setting-up-multiple-node-red-instances-on-a-college-network/36211 "2020-11-26T14:53:06Z")

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I want to teach my 6th formers how to use Node-Red as part of their course. I cannot find an easy way to set up Node\_Red on a sever so that multiple students can log in and write some IOT controlling code. Yes I have s…

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## [Upgrade 1.0.5 to 1.2.6](https://discourse.nodered.org/t/upgrade-1-0-5-to-1-2-6/36557)

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**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 1\
**Last updated:** [26 November 2020 14:30 UTC](https://discourse.nodered.org/t/upgrade-1-0-5-to-1-2-6/36557 "2020-11-26T14:30:32Z")

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I have lagged a bit and is still at 1.0.5. Anyone noticed any gotchas (with common nodes) or (semi-)breaking changes if I update a big flow straight to 1.2.6?

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## [Using dashboard widget inside UI-template?](https://discourse.nodered.org/t/using-dashboard-widget-inside-ui-template/7809)

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**Author:** [@diramazioni](https://discourse.nodered.org/u/diramazioni)\
**Replies:** 3\
**Last updated:** [26 November 2020 11:59 UTC](https://discourse.nodered.org/t/using-dashboard-widget-inside-ui-template/7809 "2020-11-26T11:59:17Z")

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Default widgets for the dashboard are great , they let you quickly build an UI for the data. However I have real trouble positioning columns that are 12 wide causing that group/column to overlap over the other columns w…

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## [Problem with MQTT and switch update](https://discourse.nodered.org/t/problem-with-mqtt-and-switch-update/14865)

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**Author:** [@HeyJonny](https://discourse.nodered.org/u/HeyJonny)\
**Replies:** 27\
**Last updated:** [26 November 2020 11:56 UTC](https://discourse.nodered.org/t/problem-with-mqtt-and-switch-update/14865 "2020-11-26T11:56:50Z")

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Hey everybody, I have a problem with changing the state of my switch. Some words about the setup: I am using a smart plug controlled via MQTT to switch a plug. This works so far: The problem: I am also switching the …

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## [Neopixels Node not working](https://discourse.nodered.org/t/neopixels-node-not-working/36533)

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**Author:** [@Schnigge5](https://discourse.nodered.org/u/Schnigge5)\
**Replies:** 1\
**Last updated:** [26 November 2020 11:29 UTC](https://discourse.nodered.org/t/neopixels-node-not-working/36533 "2020-11-26T11:29:27Z")

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Hi there At first: I'm new in NodeRed, i'm new in working with the RPI, i'm new in linux and i'm very bad in english! Sorry for that. I have a RPI 3B+ (i think) with a 300 LED ws281x stripe at Pin 12. I have allready…

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## [Using window.open in function node](https://discourse.nodered.org/t/using-window-open-in-function-node/6665)

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**Author:** [@mooreb](https://discourse.nodered.org/u/mooreb)\
**Replies:** 7\
**Last updated:** [26 November 2020 11:02 UTC](https://discourse.nodered.org/t/using-window-open-in-function-node/6665 "2020-11-26T11:02:16Z")

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I'm trying to create a links section on my dashboard. So, I've got a button that I want to simply cause a particular website to open in a new browser tab (not a ui tab). I'm trying to use the function node after my butto…

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## [Filter in json array](https://discourse.nodered.org/t/filter-in-json-array/36484)

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**Author:** [@ej3359](https://discourse.nodered.org/u/ej3359)\
**Replies:** 9\
**Last updated:** [26 November 2020 07:27 UTC](https://discourse.nodered.org/t/filter-in-json-array/36484 "2020-11-26T07:27:51Z")

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Hello, i would like extract an element in a json base on the externalDeviceId attribut my code: var element = jsonState.deviceState.filter(el =\> el.externalDeviceId.includes("b827ebe81d30.3")); jsonState is my json o…

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## [Failing to get API data from WebSocket](https://discourse.nodered.org/t/failing-to-get-api-data-from-websocket/36483)

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**Author:** [@Letis009](https://discourse.nodered.org/u/Letis009)\
**Replies:** 7\
**Last updated:** [26 November 2020 06:00 UTC](https://discourse.nodered.org/t/failing-to-get-api-data-from-websocket/36483 "2020-11-26T06:00:21Z")

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Hi Which Node can send http request like packets to a ws://...../ url or direction to replicate html ajax into node red I have a flow with a simple function, HTTP request node sends POST with JSON credentials msg re…

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## [Node Red will not boot after updating to v 1.2.5](https://discourse.nodered.org/t/node-red-will-not-boot-after-updating-to-v-1-2-5/36530)

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**Author:** [@BobW](https://discourse.nodered.org/u/BobW)\
**Replies:** 6\
**Last updated:** [26 November 2020 01:32 UTC](https://discourse.nodered.org/t/node-red-will-not-boot-after-updating-to-v-1-2-5/36530 "2020-11-26T01:32:59Z")

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Last night I updated two Windows 10 PC to Node Red version 1.2.5. This morning, I tried to boot node red and it will not complete the process. The startup begins normally until the "Starting flows" routine begins. Fro…

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## [Join payload and split](https://discourse.nodered.org/t/join-payload-and-split/36199)

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**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 11\
**Last updated:** [25 November 2020 22:44 UTC](https://discourse.nodered.org/t/join-payload-and-split/36199 "2020-11-25T22:44:12Z")

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Hi. I have a sliced xml that arrives in serveral payloads in string format. I want to listen on the payloads and have an output that starts with and ends with from a payload to a payload that arrives later so i can co…

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## [MQTT Nodes stopped working](https://discourse.nodered.org/t/mqtt-nodes-stopped-working/36517)

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**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 25\
**Last updated:** [25 November 2020 21:44 UTC](https://discourse.nodered.org/t/mqtt-nodes-stopped-working/36517 "2020-11-25T21:44:08Z")

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Very strange. on one instance of node red on a raspberry pi all MQTT nodes stopped working earlier. All are showing "disconnected". From a laptop running node red I can connect to all the MQTT servers. I would appreciat…

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## [Http request "no response from server" catch error](https://discourse.nodered.org/t/http-request-no-response-from-server-catch-error/36526)

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**Author:** [@crester](https://discourse.nodered.org/u/crester)\
**Replies:** 6\
**Last updated:** [25 November 2020 21:02 UTC](https://discourse.nodered.org/t/http-request-no-response-from-server-catch-error/36526 "2020-11-25T21:02:57Z")

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Hello I have a http request node and a catch node. When I have a "No response from server" in a test is a timeout, the catch node isn't triggered Do I need to configure something or the timeout is not considered as an…

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## [Multiple Client Pis](https://discourse.nodered.org/t/multiple-client-pis/36527)

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**Author:** [@kshitiz](https://discourse.nodered.org/u/kshitiz)\
**Replies:** 1\
**Last updated:** [25 November 2020 20:14 UTC](https://discourse.nodered.org/t/multiple-client-pis/36527 "2020-11-25T20:14:07Z")

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Hello everyone, I am new to Node-Red so need some of your help. I am trying to send data to multiple client raspberry Pis via Router from dashboard(server) side of main server raspberry pi. I need some of your guidance h…

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## [Rasp+nodered+xmpp?](https://discourse.nodered.org/t/rasp-nodered-xmpp/36525)

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**Author:** [@mattrix](https://discourse.nodered.org/u/mattrix)\
**Replies:** 0\
**Last updated:** [25 November 2020 19:39 UTC](https://discourse.nodered.org/t/rasp-nodered-xmpp/36525 "2020-11-25T19:39:08Z")

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Hello, Did not kow in which category publish as it touches everything. Let me make it short :slight\_smile: I am using a raspberry pi for pulling iot devices via mqtt mosquitto and use them i node red. Working great. N…

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## [Writing a request for node-red-contrib-google-oauth2](https://discourse.nodered.org/t/writing-a-request-for-node-red-contrib-google-oauth2/36523)

<div class="topic-metadata">

**Author:** [@jitrah](https://discourse.nodered.org/u/jitrah)\
**Replies:** 0\
**Last updated:** [25 November 2020 19:21 UTC](https://discourse.nodered.org/t/writing-a-request-for-node-red-contrib-google-oauth2/36523 "2020-11-25T19:21:10Z")

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Hi, I'd like to use the node-red-contrib-google-oauth2 node to get Google analytics session from my GA account. I've associated the right credentials to the node and I'm authenticated successfully. I'm trying to writ…

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## [\[ANNOUNCE\] node-red-contrib-chronos 1.7.0](https://discourse.nodered.org/t/announce-node-red-contrib-chronos-1-7-0/36518)

<div class="topic-metadata">

**Author:** [@jens\_rossbach](https://discourse.nodered.org/u/jens_rossbach)\
**Replies:** 0\
**Last updated:** [25 November 2020 18:56 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-chronos-1-7-0/36518 "2020-11-25T18:56:08Z")

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Hi all, I just released version 1.7.0 of node-red-contrib-chronos. This release adds a new node called Time Change node. As the name suggests, it has capabilities to modify messages and context stores similar to the Nod…

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## [Windows Terraform / Ansible with a Node-red Install](https://discourse.nodered.org/t/windows-terraform-ansible-with-a-node-red-install/36516)

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**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 0\
**Last updated:** [25 November 2020 17:15 UTC](https://discourse.nodered.org/t/windows-terraform-ansible-with-a-node-red-install/36516 "2020-11-25T17:15:44Z")

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Anybody out there have a good workflow example or reference to installing Node-Red on a Windows Server (AWS) instance? My end goal is to have the "pop-up tent" of Terraform and Ansible provisioning with a working Node-R…

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## [What are practical differences between the Mosquitto vs Mosca (now Aedes) MQTT brokers?](https://discourse.nodered.org/t/what-are-practical-differences-between-the-mosquitto-vs-mosca-now-aedes-mqtt-brokers/36488)

<div class="topic-metadata">

**Author:** [@adamelli](https://discourse.nodered.org/u/adamelli)\
**Replies:** 4\
**Last updated:** [25 November 2020 15:00 UTC](https://discourse.nodered.org/t/what-are-practical-differences-between-the-mosquitto-vs-mosca-now-aedes-mqtt-brokers/36488 "2020-11-25T15:00:27Z")

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I did a previous project with Mosca, I think. My class ended up having to also use cloudmqtt.com: https://flows.nodered.org/flow/9a74c7337433d482002d57c3a8bbc883 Now, no longer a formal student, I need an MQTT broker. …

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## [Timingproblem in Calculation?](https://discourse.nodered.org/t/timingproblem-in-calculation/36504)

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**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 7\
**Last updated:** [25 November 2020 12:22 UTC](https://discourse.nodered.org/t/timingproblem-in-calculation/36504 "2020-11-25T12:22:55Z")

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Hello, I have something like this: Its a simple addtion every step. But if i use the flow like in the screen, only every second step has an addition. I tried to give y back as global and wired. If i use a function…

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## [Revert byte stuffing](https://discourse.nodered.org/t/revert-byte-stuffing/36487)

<div class="topic-metadata">

**Author:** [@Ralf711](https://discourse.nodered.org/u/Ralf711)\
**Replies:** 2\
**Last updated:** [25 November 2020 11:15 UTC](https://discourse.nodered.org/t/revert-byte-stuffing/36487 "2020-11-25T11:15:13Z")

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Hello community, I am struggling with extracting and replacing specific bytes from a buffer. Sensor is sending out data in buffers with between 47 and 50 bytes, see examples. Buffer w/th 47 bytes: {"payload":\[126,0,3…

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