# Latest

**URL:** https://discourse.nodered.org/latest.md?page=476

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

**Page:** 477

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## [Help rewriting numbers](https://discourse.nodered.org/t/help-rewriting-numbers/69445)

<div class="topic-metadata">

**Author:** [@coleg06](https://discourse.nodered.org/u/coleg06)\
**Replies:** 2\
**Last updated:** [23 October 2022 01:37 UTC](https://discourse.nodered.org/t/help-rewriting-numbers/69445 "2022-10-23T01:37:55Z")

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I apologize if I post this incorrectly or in the wrong topic, I'm new to the forum.. I'm trying to rewrite a string but I don't know the best path of it. Basically I'm inputting a string from a Linux server telling me t…

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## [Rasberry Pi 4 does it come with OS?](https://discourse.nodered.org/t/rasberry-pi-4-does-it-come-with-os/69433)

<div class="topic-metadata">

**Author:** [@damica51](https://discourse.nodered.org/u/damica51)\
**Replies:** 3\
**Last updated:** [22 October 2022 23:35 UTC](https://discourse.nodered.org/t/rasberry-pi-4-does-it-come-with-os/69433 "2022-10-22T23:35:53Z")

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If I purchase the Rasberry Pi 4 will this come with sometype of Operating System so that I can run Node Red (The latest version). I don't need any on board I/O as all of my node red flows will be accessing web Api's and …

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## [RasPi update of Node-Red](https://discourse.nodered.org/t/raspi-update-of-node-red/69435)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [22 October 2022 22:41 UTC](https://discourse.nodered.org/t/raspi-update-of-node-red/69435 "2022-10-22T22:41:06Z")

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I have a RasPi 3B (Buster) Raspberry Pi 2 Model B Rev 1.1 PRETTY\_NAME="Raspbian GNU/Linux 10 (buster)" NAME="Raspbian GNU/Linux" VERSION\_ID="10" VERSION="10 (buster)" VERSION\_CODENAME=buster ID=raspbian ID\_LIKE=debian …

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## [MQTT Dynamic connection with changing IP Adress](https://discourse.nodered.org/t/mqtt-dynamic-connection-with-changing-ip-adress/69299)

<div class="topic-metadata">

**Author:** [@manfred9999](https://discourse.nodered.org/u/manfred9999)\
**Replies:** 26\
**Last updated:** [22 October 2022 21:58 UTC](https://discourse.nodered.org/t/mqtt-dynamic-connection-with-changing-ip-adress/69299 "2022-10-22T21:58:30Z")

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Hello I have an MQTT Server on a Raspberry Pi which is not manageable. Evry time my Wifi is down it receives a new IP Adress. Unfortunately, I can also not assign IP-Adress to MAC Adress on the Wifi. I manged to retrie…

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## [Node-red-contrib-watt2kwh](https://discourse.nodered.org/t/node-red-contrib-watt2kwh/13157)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 19\
**Last updated:** [22 October 2022 14:11 UTC](https://discourse.nodered.org/t/node-red-contrib-watt2kwh/13157 "2022-10-22T14:11:56Z")

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I've just published v0.1.0 of node-red-contrib-watt2kwh which is specifically written to convert power (watts) to energy (kWh). It carries out the conversion by measuring the interval between consecutive inputs, and mul…

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## [How to parse bits in bytes](https://discourse.nodered.org/t/how-to-parse-bits-in-bytes/69428)

<div class="topic-metadata">

**Author:** [@addi](https://discourse.nodered.org/u/addi)\
**Replies:** 4\
**Last updated:** [22 October 2022 18:45 UTC](https://discourse.nodered.org/t/how-to-parse-bits-in-bytes/69428 "2022-10-22T18:45:25Z")

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Hello! I have got USB-RS-485 dongle and Modbus-RTU device I read protocol frame but I cant parse it cause I dont know in what language I can do it(read value of separate bits or group of bits) For example in C I can …

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## [Create node-red flow into Executable package format](https://discourse.nodered.org/t/create-node-red-flow-into-executable-package-format/1154)

<div class="topic-metadata">

**Author:** [@Kesavan](https://discourse.nodered.org/u/Kesavan)\
**Replies:** 7\
**Last updated:** [22 October 2022 18:25 UTC](https://discourse.nodered.org/t/create-node-red-flow-into-executable-package-format/1154 "2022-10-22T18:25:21Z")

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I am trying to pass some value from my own application and try to get output from node-red. How can i add instance in my application

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## [Execute dos command in node-red](https://discourse.nodered.org/t/execute-dos-command-in-node-red/23809)

<div class="topic-metadata">

**Author:** [@Munier](https://discourse.nodered.org/u/Munier)\
**Replies:** 50\
**Last updated:** [22 October 2022 17:25 UTC](https://discourse.nodered.org/t/execute-dos-command-in-node-red/23809 "2022-10-22T17:25:16Z")

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How to use node red to run dos command to execute software application? I am new user and I want to learn how I can use node-red to automatically execute DOS command for Real Time Optimization (RTO) model from another …

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## [How To add logout icon on toolbar of Dashboard](https://discourse.nodered.org/t/how-to-add-logout-icon-on-toolbar-of-dashboard/69022)

<div class="topic-metadata">

**Author:** [@Ganesh](https://discourse.nodered.org/u/Ganesh)\
**Replies:** 1\
**Last updated:** [22 October 2022 17:14 UTC](https://discourse.nodered.org/t/how-to-add-logout-icon-on-toolbar-of-dashboard/69022 "2022-10-22T17:14:37Z")

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Hi I want to add a logout logo on the top bar of the My dashboard. I have already added an logo to the top bar But unable to add the another icon on my dashboard Need Help to add a logout button or icon right side of t…

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## [View .mov video files on dashboard](https://discourse.nodered.org/t/view-mov-video-files-on-dashboard/68681)

<div class="topic-metadata">

**Author:** [@tjvandam](https://discourse.nodered.org/u/tjvandam)\
**Replies:** 2\
**Last updated:** [22 October 2022 17:01 UTC](https://discourse.nodered.org/t/view-mov-video-files-on-dashboard/68681 "2022-10-22T17:01:22Z")

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I am trying to view .mov video clips / files coming from a wildlife camera in the editor and possibly on a dashboard. However, I can not find any Node-RED contrib that is able to handle the .mov extension. Does anyone kn…

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## [Start and stop mosquitto server from node-red](https://discourse.nodered.org/t/start-and-stop-mosquitto-server-from-node-red/69402)

<div class="topic-metadata">

**Author:** [@jim53](https://discourse.nodered.org/u/jim53)\
**Replies:** 7\
**Last updated:** [22 October 2022 16:19 UTC](https://discourse.nodered.org/t/start-and-stop-mosquitto-server-from-node-red/69402 "2022-10-22T16:19:06Z")

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Hello everybody, I would like to start and stop mosquitto server from node-red and not from the windows command i Windows 10 OS. I have used the "exec" node with the command "net start mosquitto" but error 5 occured be…

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## [How do i write a function to obtain these objects](https://discourse.nodered.org/t/how-do-i-write-a-function-to-obtain-these-objects/69422)

<div class="topic-metadata">

**Author:** [@EidWanna](https://discourse.nodered.org/u/EidWanna)\
**Replies:** 2\
**Last updated:** [22 October 2022 14:22 UTC](https://discourse.nodered.org/t/how-do-i-write-a-function-to-obtain-these-objects/69422 "2022-10-22T14:22:40Z")

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How do i write a function to be able to read and display these specific readings?

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## [Serial input stops](https://discourse.nodered.org/t/serial-input-stops/69419)

<div class="topic-metadata">

**Author:** [@XYZ](https://discourse.nodered.org/u/XYZ)\
**Replies:** 7\
**Last updated:** [22 October 2022 12:47 UTC](https://discourse.nodered.org/t/serial-input-stops/69419 "2022-10-22T12:47:57Z")

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Hi there, I am using Serial input node with NodeRED on my Laptop to receive data coming at a baud rate of 9600 from a NodeMCU. I am receiving around 100 data per second from the NodeMCU. Since the graph node on NodeRED i…

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## [Send a file to telegram messenger](https://discourse.nodered.org/t/send-a-file-to-telegram-messenger/10672)

<div class="topic-metadata">

**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 8\
**Last updated:** [22 October 2022 12:23 UTC](https://discourse.nodered.org/t/send-a-file-to-telegram-messenger/10672 "2022-10-22T12:23:36Z")

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Hi, Im trying to send a file to my telegram messenger. This is my flow. Is it possible to send a file to Telegram Messenger and if so how can I do this? The aim is that when I send a command to my bot he grabs the …

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## [Simulations - alternative ways to distribute ticks](https://discourse.nodered.org/t/simulations-alternative-ways-to-distribute-ticks/69304)

<div class="topic-metadata">

**Author:** [@stefaanv](https://discourse.nodered.org/u/stefaanv)\
**Replies:** 3\
**Last updated:** [22 October 2022 10:02 UTC](https://discourse.nodered.org/t/simulations-alternative-ways-to-distribute-ticks/69304 "2022-10-22T10:02:16Z")

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I'm using node-red 3 to simulate processes. I find myself distributing a setup and a tick signal to almost all nodes. That makes the flows visually cluttered. Are there alternatives to handle global signals that many n…

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## [A telegram bot question with http POST](https://discourse.nodered.org/t/a-telegram-bot-question-with-http-post/4608)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 21\
**Last updated:** [22 October 2022 09:48 UTC](https://discourse.nodered.org/t/a-telegram-bot-question-with-http-post/4608 "2022-10-22T09:48:07Z")

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I have installed node-red-contrib-telegrambot, setup a bot on telegram, got a bot token and it is basically working. I can send messages from phone and pick them up in node red and vice versa. However, when I use the …

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## [Widget Alignment](https://discourse.nodered.org/t/widget-alignment/69414)

<div class="topic-metadata">

**Author:** [@Limninzz](https://discourse.nodered.org/u/Limninzz)\
**Replies:** 3\
**Last updated:** [22 October 2022 08:06 UTC](https://discourse.nodered.org/t/widget-alignment/69414 "2022-10-22T08:06:11Z")

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Hello, could somebody please guide me how to align widget ? i use node-red dashboard and custom template with css. And i want to move "Slider widget" to the bottom of "Gauge Widget" just like the picture attached.

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## [Nodered\_Node\_Email\_Update](https://discourse.nodered.org/t/nodered-node-email-update/69417)

<div class="topic-metadata">

**Author:** [@ganeshiac](https://discourse.nodered.org/u/ganeshiac)\
**Replies:** 1\
**Last updated:** [22 October 2022 08:02 UTC](https://discourse.nodered.org/t/nodered-node-email-update/69417 "2022-10-22T08:02:34Z")

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@knolleary I need to clarification about Email update. Here my question is how to update email node in updated version ?. I got below error, It seems like " Failed to update: node-red-node-email module …

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## [Error updating nodes.](https://discourse.nodered.org/t/error-updating-nodes/69408)

<div class="topic-metadata">

**Author:** [@leojcs2021](https://discourse.nodered.org/u/leojcs2021)\
**Replies:** 1\
**Last updated:** [22 October 2022 07:23 UTC](https://discourse.nodered.org/t/error-updating-nodes/69408 "2022-10-22T07:23:06Z")

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How to go about fixing this problem, I can't update my nodes? I have node-red integrated into my home assistant! I'll put the error screen that appears in the log. 2022-10-21T18:37:12.188Z Install : node-red-contrib…

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## [Properties setting](https://discourse.nodered.org/t/properties-setting/69400)

<div class="topic-metadata">

**Author:** [@Giacomo23](https://discourse.nodered.org/u/Giacomo23)\
**Replies:** 3\
**Last updated:** [22 October 2022 06:18 UTC](https://discourse.nodered.org/t/properties-setting/69400 "2022-10-22T06:18:43Z")

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How can I set the values of "node-red-contrib-fs-ops" through the edit change node?

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## [Temp to Telegram Channel](https://discourse.nodered.org/t/temp-to-telegram-channel/19983)

<div class="topic-metadata">

**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 4\
**Last updated:** [22 October 2022 04:37 UTC](https://discourse.nodered.org/t/temp-to-telegram-channel/19983 "2022-10-22T04:37:54Z")

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Hi, I have a flow that sends the room temp to Telegram bot periodical, it can also reply the temp if I send any message to it. I actually want the send the temp to a Telegram Channel, any one with some help please will…

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## [Listening to Hue Events](https://discourse.nodered.org/t/listening-to-hue-events/66821)

<div class="topic-metadata">

**Author:** [@dgulliver](https://discourse.nodered.org/u/dgulliver)\
**Replies:** 9\
**Last updated:** [22 October 2022 02:23 UTC](https://discourse.nodered.org/t/listening-to-hue-events/66821 "2022-10-22T02:23:03Z")

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Hi, been using node red for some years now but I've become stuck. Basically I had a flow using Hue Magic hue light node to turn on some lights in the garden if motion detected (I use the function node to set the payload…

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## [FoxEss PV inverter integration](https://discourse.nodered.org/t/foxess-pv-inverter-integration/69410)

<div class="topic-metadata">

**Author:** [@Partykus](https://discourse.nodered.org/u/Partykus)\
**Replies:** 1\
**Last updated:** [22 October 2022 00:41 UTC](https://discourse.nodered.org/t/foxess-pv-inverter-integration/69410 "2022-10-22T00:41:43Z")

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I am looking for example integration of FoxEss photovoltaic inverter. Any recommendation? Is it possible to use below HA integration in node red?

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## [Use one button in two different groups or tabs in dashboard](https://discourse.nodered.org/t/use-one-button-in-two-different-groups-or-tabs-in-dashboard/68626)

<div class="topic-metadata">

**Author:** [@she](https://discourse.nodered.org/u/she)\
**Replies:** 7\
**Last updated:** [21 October 2022 20:11 UTC](https://discourse.nodered.org/t/use-one-button-in-two-different-groups-or-tabs-in-dashboard/68626 "2022-10-21T20:11:32Z")

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Is it possible to use the same node (button or dropdown) in two different groups or tabs in dashboard? Does anyone know a workaround to this?

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## [MQTT not reconnecting if only only one mqtt node using it](https://discourse.nodered.org/t/mqtt-not-reconnecting-if-only-only-one-mqtt-node-using-it/69381)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 6\
**Last updated:** [21 October 2022 20:06 UTC](https://discourse.nodered.org/t/mqtt-not-reconnecting-if-only-only-one-mqtt-node-using-it/69381 "2022-10-21T20:06:37Z")

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Could someone confirm an apparent bug that I am seeing please? Starting with an empty flows file, configure a single MQTT In node (subscribing to a fixed topic) and a broker and deploy. Check it is working. Change the…

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## [Node-red-contrib-aws-iot-hub 0.1.14 Only one instance of "aws-mqtt-in" works](https://discourse.nodered.org/t/node-red-contrib-aws-iot-hub-0-1-14-only-one-instance-of-aws-mqtt-in-works/69398)

<div class="topic-metadata">

**Author:** [@Wirewrap](https://discourse.nodered.org/u/Wirewrap)\
**Replies:** 0\
**Last updated:** [21 October 2022 19:30 UTC](https://discourse.nodered.org/t/node-red-contrib-aws-iot-hub-0-1-14-only-one-instance-of-aws-mqtt-in-works/69398 "2022-10-21T19:30:24Z")

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I have installed node-red-contrib-aws-iot-hub 0.1.14 on node-red v2.2.2 and node.js v12.22.12 I can connect to an AWS MQTT broker I can send and receive MQTT messages via "aws-mqtt out" and"aws-mqtt in" However, i…

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## [Updated to Node 16 and now have issues installing/updating nodes ("boom@0.3.8")](https://discourse.nodered.org/t/updated-to-node-16-and-now-have-issues-installing-updating-nodes-boom-0-3-8/69379)

<div class="topic-metadata">

**Author:** [@yesdred](https://discourse.nodered.org/u/yesdred)\
**Replies:** 2\
**Last updated:** [21 October 2022 18:00 UTC](https://discourse.nodered.org/t/updated-to-node-16-and-now-have-issues-installing-updating-nodes-boom-0-3-8/69379 "2022-10-21T18:00:45Z")

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I want to make use of node-red-contrib-discord-advanced and therefore upgraded to Node 16 from 14 (minimum requirement). Now, when trying to install the module or updating another module I get the following error: 2022-…

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## [Node-RED 3.0.2 on Elastic Beanstalk : 413 "Request entity too large" error on palette deploy](https://discourse.nodered.org/t/node-red-3-0-2-on-elastic-beanstalk-413-request-entity-too-large-error-on-palette-deploy/69352)

<div class="topic-metadata">

**Author:** [@nicholas](https://discourse.nodered.org/u/nicholas)\
**Replies:** 0\
**Last updated:** [21 October 2022 00:39 UTC](https://discourse.nodered.org/t/node-red-3-0-2-on-elastic-beanstalk-413-request-entity-too-large-error-on-palette-deploy/69352 "2022-10-21T00:39:20Z")

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I'm running Node-RED 3.0.2 on an Elastic Beanstalk environment (Amazon Linux 2 / Node 16) After adding a fair amount of flows, I began to encounter deploy failures in the admin palette with error "413 : Request entity …

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## [Nodered Form ui to Sqlite](https://discourse.nodered.org/t/nodered-form-ui-to-sqlite/69375)

<div class="topic-metadata">

**Author:** [@Pjlals](https://discourse.nodered.org/u/Pjlals)\
**Replies:** 3\
**Last updated:** [21 October 2022 16:46 UTC](https://discourse.nodered.org/t/nodered-form-ui-to-sqlite/69375 "2022-10-21T16:46:15Z")

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HI everyone Am trying to insert varaiable data through form ui to sqlite , but its not working .pls help me out thanks in advance

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## [Download pictures from URL and save to file](https://discourse.nodered.org/t/download-pictures-from-url-and-save-to-file/69391)

<div class="topic-metadata">

**Author:** [@andre\_x](https://discourse.nodered.org/u/andre_x)\
**Replies:** 2\
**Last updated:** [21 October 2022 16:39 UTC](https://discourse.nodered.org/t/download-pictures-from-url-and-save-to-file/69391 "2022-10-21T16:39:41Z")

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Hi all! I'm trying to download a picture from unsplash.com and save it to a file, but...I can't! The file gets downloaded, but it's not an image (Windows says that it's an unsupported format). I've tried to save the f…

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