# Latest

**URL:** https://discourse.nodered.org/latest.md?page=769

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

**Page:** 770

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## [Smallest browser](https://discourse.nodered.org/t/smallest-browser/47759)

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**Author:** [@old-grumpy](https://discourse.nodered.org/u/old-grumpy)\
**Replies:** 15\
**Last updated:** [21 July 2021 13:35 UTC](https://discourse.nodered.org/t/smallest-browser/47759 "2021-07-21T13:35:34Z")

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Cant find any useful info on what is the smallest browser that works with the node-red dashboard. That will be the only task. The normal browser i use for the internet is firefox butt that is much to bulky and memory hun…

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## [Nrlint install issues](https://discourse.nodered.org/t/nrlint-install-issues/48707)

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**Author:** [@joost](https://discourse.nodered.org/u/joost)\
**Replies:** 5\
**Last updated:** [21 July 2021 13:32 UTC](https://discourse.nodered.org/t/nrlint-install-issues/48707 "2021-07-21T13:32:59Z")

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Hi! I'm having trouble getting the new nrlint to work with my newly updated NR 2.0.1 installation. I'm following the instructions as stated here GitHub - node-red/nrlint: Node-RED Flow Linter, but am not able to start my…

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## [Start flow with user and password](https://discourse.nodered.org/t/start-flow-with-user-and-password/48709)

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**Author:** [@federico.barenghi](https://discourse.nodered.org/u/federico.barenghi)\
**Replies:** 2\
**Last updated:** [21 July 2021 12:50 UTC](https://discourse.nodered.org/t/start-flow-with-user-and-password/48709 "2021-07-21T12:50:48Z")

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Hi, there is the possibilty to start a node-red istance with user and password? Like using the command " node-red -p 1880" and add the login credentials? Regards, Federico

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## [I need read and ZIP about 25-50GB files](https://discourse.nodered.org/t/i-need-read-and-zip-about-25-50gb-files/48705)

<div class="topic-metadata">

**Author:** [@LucasJ98](https://discourse.nodered.org/u/LucasJ98)\
**Replies:** 1\
**Last updated:** [21 July 2021 12:14 UTC](https://discourse.nodered.org/t/i-need-read-and-zip-about-25-50gb-files/48705 "2021-07-21T12:14:46Z")

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BigFileReader reads only 2GB :(. It is possible to do ??

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## [Nrlint@1.0.1: What is wrong with this JSON?](https://discourse.nodered.org/t/nrlint-1-0-1-what-is-wrong-with-this-json/48658)

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**Author:** [@rei\_vilo](https://discourse.nodered.org/u/rei_vilo)\
**Replies:** 9\
**Last updated:** [21 July 2021 11:02 UTC](https://discourse.nodered.org/t/nrlint-1-0-1-what-is-wrong-with-this-json/48658 "2021-07-21T11:02:39Z")

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I am testing nrlint@1.0.1 with node-red@2.0.0. The inject node displays an exclamation mark with linting error. However, the JSON seems to be correct as it is accepted. { "Epoch": 1583082974, "Report": \[…

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## [Adding tags values from fins node](https://discourse.nodered.org/t/adding-tags-values-from-fins-node/48690)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 9\
**Last updated:** [21 July 2021 09:50 UTC](https://discourse.nodered.org/t/adding-tags-values-from-fins-node/48690 "2021-07-21T09:50:54Z")

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I'm trying to join payloads and add specific tag values for fins node. But unable to do so. Can anyone help? check flow \[{"id":"92176f57.09b46","type":"FINS Read","z":"5e017413.c6817c","name":"0 - 1000","connection":"5…

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## [Siemens PLC dynamic connection parameters](https://discourse.nodered.org/t/siemens-plc-dynamic-connection-parameters/48699)

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**Author:** [@Tommy28](https://discourse.nodered.org/u/Tommy28)\
**Replies:** 0\
**Last updated:** [21 July 2021 09:18 UTC](https://discourse.nodered.org/t/siemens-plc-dynamic-connection-parameters/48699 "2021-07-21T09:18:08Z")

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Hello, I am trying to create a project that allows to change connection parameters without project's edits. I get parameters from a file stored in my PC. I used file-in to read the file, a switch to read the correct row …

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## [2.0 tab image issues in Safari](https://discourse.nodered.org/t/2-0-tab-image-issues-in-safari/48696)

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**Author:** [@sroebert](https://discourse.nodered.org/u/sroebert)\
**Replies:** 2\
**Last updated:** [21 July 2021 09:06 UTC](https://discourse.nodered.org/t/2-0-tab-image-issues-in-safari/48696 "2021-07-21T09:06:36Z")

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In the 2.0 release there seems to be some design issues with the image used for tabs in the interface. For me it looks like this everywhere: This does not happen in Chrome.

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## [Python file cannot be executed with exec node](https://discourse.nodered.org/t/python-file-cannot-be-executed-with-exec-node/48620)

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**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 3\
**Last updated:** [21 July 2021 08:26 UTC](https://discourse.nodered.org/t/python-file-cannot-be-executed-with-exec-node/48620 "2021-07-21T08:26:50Z")

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Python file cannot be executed with exec node. I did it the same way before. After formatting and updating the Raspberry Pi, the Python file cannot be executed in the exec node. It works fine in cmd, but not only in n…

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## [Espcam in node red](https://discourse.nodered.org/t/espcam-in-node-red/48653)

<div class="topic-metadata">

**Author:** [@aminzargarian](https://discourse.nodered.org/u/aminzargarian)\
**Replies:** 2\
**Last updated:** [20 July 2021 23:08 UTC](https://discourse.nodered.org/t/espcam-in-node-red/48653 "2021-07-20T23:08:46Z")

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Hello I raised the video of this camera on node red and i can see the video from the node red dashboard, but because the ip of the camera is local, when I want to see the image outside the house, I can not. Do you have …

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## [Access sub flow variables in a module](https://discourse.nodered.org/t/access-sub-flow-variables-in-a-module/48677)

<div class="topic-metadata">

**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 2\
**Last updated:** [20 July 2021 22:30 UTC](https://discourse.nodered.org/t/access-sub-flow-variables-in-a-module/48677 "2021-07-20T22:30:02Z")

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As the title states. A Z-Wave node, I am the author of, can act differently if added to a sub flow. This however, needs variables added to the sub flow (which is easy enough). But how on earth, do I access those varia…

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## [Any suggestion for web apps visual programming tools](https://discourse.nodered.org/t/any-suggestion-for-web-apps-visual-programming-tools/48611)

<div class="topic-metadata">

**Author:** [@anguslou](https://discourse.nodered.org/u/anguslou)\
**Replies:** 1\
**Last updated:** [20 July 2021 22:07 UTC](https://discourse.nodered.org/t/any-suggestion-for-web-apps-visual-programming-tools/48611 "2021-07-20T22:07:53Z")

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I have been using Node-Red for quite a while, and looking for a visual programming tool to develop webapps that hopefully work seamlessly with Node-Red. I have been looking at bubble.io and UI bakery, any suggestion?

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## [Sending msg.payload from external javascript file](https://discourse.nodered.org/t/sending-msg-payload-from-external-javascript-file/48660)

<div class="topic-metadata">

**Author:** [@oualid](https://discourse.nodered.org/u/oualid)\
**Replies:** 1\
**Last updated:** [20 July 2021 21:51 UTC](https://discourse.nodered.org/t/sending-msg-payload-from-external-javascript-file/48660 "2021-07-20T21:51:35Z")

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Hi, I am not good at Angular JS. I am trying to send an msg.payload from external js file linked to dashboard template, see the code below. function sendMsg(elemnetId) { angular.module('send', ) .controller('Controll…

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## [Using node js variables in the node red](https://discourse.nodered.org/t/using-node-js-variables-in-the-node-red/48649)

<div class="topic-metadata">

**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 1\
**Last updated:** [20 July 2021 21:42 UTC](https://discourse.nodered.org/t/using-node-js-variables-in-the-node-red/48649 "2021-07-20T21:42:23Z")

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I have embedded node red into node js. I want to use variables or objects created in the node js in the node red flow. What would be the way to achieve it?

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## [Payload to array in loop](https://discourse.nodered.org/t/payload-to-array-in-loop/48639)

<div class="topic-metadata">

**Author:** [@tombost](https://discourse.nodered.org/u/tombost)\
**Replies:** 3\
**Last updated:** [20 July 2021 17:02 UTC](https://discourse.nodered.org/t/payload-to-array-in-loop/48639 "2021-07-20T17:02:09Z")

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Hello, I receive that : payload\[0\].TC1\_ERROR payload\[1\].TC2\_ERROR payload\[2\].TC3\_ERROR payload\[3\].TC4\_ERROR payload\[4\].TC5\_ERROR payload\[5\].TC6\_ERROR (all payload value are boolean) I want to…

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## [2.0 and 2.0.1 docker images aren't working on RPi4](https://discourse.nodered.org/t/2-0-and-2-0-1-docker-images-arent-working-on-rpi4/48663)

<div class="topic-metadata">

**Author:** [@Edo78](https://discourse.nodered.org/u/Edo78)\
**Replies:** 7\
**Last updated:** [20 July 2021 19:44 UTC](https://discourse.nodered.org/t/2-0-and-2-0-1-docker-images-arent-working-on-rpi4/48663 "2021-07-20T19:44:29Z")

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As soon as the final 2.0 was released I pulled the new image on my Raspberry Pi 4 but the logs show only standard\_init\_linux.go:228: exec user process caused: exec format error and NR isn't working at all but keep restar…

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## [Question: Synchronize or mirror state of 2 devices](https://discourse.nodered.org/t/question-synchronize-or-mirror-state-of-2-devices/48364)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 12\
**Last updated:** [20 July 2021 17:16 UTC](https://discourse.nodered.org/t/question-synchronize-or-mirror-state-of-2-devices/48364 "2021-07-20T17:16:04Z")

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I am using Node Red for Smarthome automation and have decided that I want to have logical or virtual devices for everyplace I expect to automate with those devices tied to nodes for the physical device serving that role.…

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## [MQTT Disconected using AWS IoT core](https://discourse.nodered.org/t/mqtt-disconected-using-aws-iot-core/48668)

<div class="topic-metadata">

**Author:** [@fabri](https://discourse.nodered.org/u/fabri)\
**Replies:** 1\
**Last updated:** [20 July 2021 17:06 UTC](https://discourse.nodered.org/t/mqtt-disconected-using-aws-iot-core/48668 "2021-07-20T17:06:00Z")

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Hi everybody!! I'm using IoT core from AWS to receive data with MQTT at NodeRed. However, my MQTT nodes just keep disconnected every time I activate my certificates from AWS IoT Core. The first time I've created the mq…

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## [Use Message Properties in Node Configuration](https://discourse.nodered.org/t/use-message-properties-in-node-configuration/48618)

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**Author:** [@stokes776](https://discourse.nodered.org/u/stokes776)\
**Replies:** 5\
**Last updated:** [20 July 2021 16:54 UTC](https://discourse.nodered.org/t/use-message-properties-in-node-configuration/48618 "2021-07-20T16:54:25Z")

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Hello, I am trying to use the Azure Blob Storage Node, I can get it to upload a file to a folder, how I want, if I statically type in the values into the 'Storage Blob Name' section. However the problem is I want these …

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## [Detecting objects using ESP32 CAM and NODE RED](https://discourse.nodered.org/t/detecting-objects-using-esp32-cam-and-node-red/47165)

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**Author:** [@fatima1999](https://discourse.nodered.org/u/fatima1999)\
**Replies:** 49\
**Last updated:** [20 July 2021 16:02 UTC](https://discourse.nodered.org/t/detecting-objects-using-esp32-cam-and-node-red/47165 "2021-07-20T16:02:23Z")

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Hello everyone ! I need help in my project , I wanna built an IoT system , objects detection using ESP32 CAM and Node red Dashboard , all I did until now is visualising the pictures taking by the CAM on the dashboard , …

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## [Refresh logged in node-red making issues](https://discourse.nodered.org/t/refresh-logged-in-node-red-making-issues/48570)

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**Author:** [@nonomu1](https://discourse.nodered.org/u/nonomu1)\
**Replies:** 3\
**Last updated:** [20 July 2021 15:49 UTC](https://discourse.nodered.org/t/refresh-logged-in-node-red-making-issues/48570 "2021-07-20T15:49:39Z")

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Hi all, I having a issue with node-red. When i log in from Ldap ( a script we built ) everything is ok. After refreshing the page we loosing all the connection ui and grid of the nodes. Before(OK): After (NOK): …

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## [Use an variable value to get a other variable](https://discourse.nodered.org/t/use-an-variable-value-to-get-a-other-variable/48643)

<div class="topic-metadata">

**Author:** [@Rchood](https://discourse.nodered.org/u/Rchood)\
**Replies:** 2\
**Last updated:** [20 July 2021 13:57 UTC](https://discourse.nodered.org/t/use-an-variable-value-to-get-a-other-variable/48643 "2021-07-20T13:57:58Z")

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Hi, I'm using an Aqara Cube to control my lights and every face of the cube controls a different light. So I would like to use the rotating function of the Cube to be able to dim the light (which is controlled by the s…

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## [Payload\[variable\]](https://discourse.nodered.org/t/payload-variable/48650)

<div class="topic-metadata">

**Author:** [@PiMo131](https://discourse.nodered.org/u/PiMo131)\
**Replies:** 2\
**Last updated:** [20 July 2021 13:18 UTC](https://discourse.nodered.org/t/payload-variable/48650 "2021-07-20T13:18:17Z")

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Hello, I am using below code to retrieve data from a payload. var row = flow.get("row"); msg.payload = msg.payload\[row\].payload; return msg; This is not working. Is there a way to set make the number variabel? msg.…

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## [Starting node-red automatically on reboot](https://discourse.nodered.org/t/starting-node-red-automatically-on-reboot/48654)

<div class="topic-metadata">

**Author:** [@jeffh](https://discourse.nodered.org/u/jeffh)\
**Replies:** 3\
**Last updated:** [20 July 2021 12:49 UTC](https://discourse.nodered.org/t/starting-node-red-automatically-on-reboot/48654 "2021-07-20T12:49:19Z")

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Hello, I have a WIN10 Pro PC running Node-Red. When my company has a power failure I need Node-Red to automatically load and fire up, so I set it up to execute node-red.cmd on boot. Simple enough. Upon reboot the cmd…

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## [Play Audio Node Not Playing Audio](https://discourse.nodered.org/t/play-audio-node-not-playing-audio/48433)

<div class="topic-metadata">

**Author:** [@aa0z](https://discourse.nodered.org/u/aa0z)\
**Replies:** 3\
**Last updated:** [20 July 2021 12:11 UTC](https://discourse.nodered.org/t/play-audio-node-not-playing-audio/48433 "2021-07-20T12:11:56Z")

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The play audio node was working up until yesterday (7/13/21) and now it's broken. I haven't updated Node Red, the Play Audio node nor Chrome. Tried it in Edge and still no audio. Audio works on the PC. Tried my lapto…

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## [Function Node gives an error (The workspace contains some unknown node types: function) all though it is installed](https://discourse.nodered.org/t/function-node-gives-an-error-the-workspace-contains-some-unknown-node-types-function-all-though-it-is-installed/48627)

<div class="topic-metadata">

**Author:** [@dhpatel177](https://discourse.nodered.org/u/dhpatel177)\
**Replies:** 12\
**Last updated:** [20 July 2021 11:37 UTC](https://discourse.nodered.org/t/function-node-gives-an-error-the-workspace-contains-some-unknown-node-types-function-all-though-it-is-installed/48627 "2021-07-20T11:37:04Z")

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Hello, I have already installed function node and when I deploy the flow it always gives an error message : "The workspace contains some unknown node types: function". Also I am unable to see the function node on left p…

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## [Limits of MQTT or Node Red UI Dashboard?](https://discourse.nodered.org/t/limits-of-mqtt-or-node-red-ui-dashboard/48642)

<div class="topic-metadata">

**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 1\
**Last updated:** [20 July 2021 10:02 UTC](https://discourse.nodered.org/t/limits-of-mqtt-or-node-red-ui-dashboard/48642 "2021-07-20T10:02:46Z")

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Hello folks, I have been using MQTT AWS nodes to send 50/60 signals to the node UI Dashboard. I have each topic going to one UI display function/ ie a text display or number display. Issue is that certain topics data s…

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## [MQTT node show disconnected status](https://discourse.nodered.org/t/mqtt-node-show-disconnected-status/48594)

<div class="topic-metadata">

**Author:** [@boyvip\_123](https://discourse.nodered.org/u/boyvip_123)\
**Replies:** 23\
**Last updated:** [20 July 2021 09:25 UTC](https://discourse.nodered.org/t/mqtt-node-show-disconnected-status/48594 "2021-07-20T09:25:00Z")

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I'm learning how to publish LM35 temperature readings via MQTT with the ESP8266 (NodeMCU) to any platform that supports MQTT or any other MQTT client. I’ll publish sensor readings to Node-RED Dashboard and the ESP8266 wi…

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## [Using nested subflows with variables](https://discourse.nodered.org/t/using-nested-subflows-with-variables/48629)

<div class="topic-metadata">

**Author:** [@sameersbn](https://discourse.nodered.org/u/sameersbn)\
**Replies:** 0\
**Last updated:** [20 July 2021 07:19 UTC](https://discourse.nodered.org/t/using-nested-subflows-with-variables/48629 "2021-07-20T07:19:41Z")

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Hello, I am using node-red with home assistant and I am trying to use subflows to simplify my flows. I am trying to add a subflow to another subflow and both these subflows have environment variables defined for specifyi…

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## [Compiling GPS Protocol](https://discourse.nodered.org/t/compiling-gps-protocol/48626)

<div class="topic-metadata">

**Author:** [@EuroNiceguy](https://discourse.nodered.org/u/EuroNiceguy)\
**Replies:** 0\
**Last updated:** [20 July 2021 06:10 UTC](https://discourse.nodered.org/t/compiling-gps-protocol/48626 "2021-07-20T06:10:39Z")

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Hello Everyone, I am intending to use Node-Red for the purposes of being a GPS Middleware, which will point to our Web UI & Apps. We have a catalogue of GPS tracking devices which we have protocols for and want to inte…

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