# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=86

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

**Page:** 87

---

## [Timepicker-ui example](https://discourse.nodered.org/t/timepicker-ui-example/90710)

<div class="topic-metadata">

**Author:** [@robertobuti](https://discourse.nodered.org/u/robertobuti)\
**Replies:** 3\
**Last updated:** [4 September 2024 14:18 UTC](https://discourse.nodered.org/t/timepicker-ui-example/90710 "2024-09-04T14:18:21Z")

</div>

Hello, i woudl like use timekeeper-ui i found on github, seem nice but i'm not so expert for implemetation. https://github.com/pglejzer/timepicker-ui I have installed it with NPM , but unfortunatly example link is bro…

---

## [Unable to save the second Customising config nodes in Subflows](https://discourse.nodered.org/t/unable-to-save-the-second-customising-config-nodes-in-subflows/90701)

<div class="topic-metadata">

**Author:** [@molingran](https://discourse.nodered.org/u/molingran)\
**Replies:** 9\
**Last updated:** [4 September 2024 11:17 UTC](https://discourse.nodered.org/t/unable-to-save-the-second-customising-config-nodes-in-subflows/90701 "2024-09-04T11:17:57Z")

</div>

Node-RED 4.02 Node v20.15.1 I'm very excited about the "Customising config nodes in Subflows" feature that was added in version 4.0, but it seems I've run into a problem. In the subflow, I can't use the second environ…

---

## [Exec bash file issue](https://discourse.nodered.org/t/exec-bash-file-issue/90684)

<div class="topic-metadata">

**Author:** [@golfy44](https://discourse.nodered.org/u/golfy44)\
**Replies:** 15\
**Last updated:** [4 September 2024 11:44 UTC](https://discourse.nodered.org/t/exec-bash-file-issue/90684 "2024-09-04T11:44:49Z")

</div>

Hello, it's been a long time I try to execute a bash file in Node Red. Node Red version : 4.0.2 running under docker. The directory /usr/bin is correctly mounted but when I execute my script (with exec or exec-queue),…

---

## [Node-red-node-ui-table add new column in the middle](https://discourse.nodered.org/t/node-red-node-ui-table-add-new-column-in-the-middle/90681)

<div class="topic-metadata">

**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 7\
**Last updated:** [4 September 2024 08:13 UTC](https://discourse.nodered.org/t/node-red-node-ui-table-add-new-column-in-the-middle/90681 "2024-09-04T08:13:18Z")

</div>

I'm using this node with @Christian-Me ui table handler. I haven't touched it for a long while but had to add another column. I edited the tabulator configuration to insert the column where required, but it always gets …

---

## [GPIOD in node red docker issues](https://discourse.nodered.org/t/gpiod-in-node-red-docker-issues/90689)

<div class="topic-metadata">

**Author:** [@muggins](https://discourse.nodered.org/u/muggins)\
**Replies:** 3\
**Last updated:** [3 September 2024 20:43 UTC](https://discourse.nodered.org/t/gpiod-in-node-red-docker-issues/90689 "2024-09-03T20:43:57Z")

</div>

Hi I'm trying to use image: corbosman/pigpiod daemon in docker compose and find that the digital output works reliably. The input nodes rarely work. I am testing directly on the PI4 with 3.3V directly to the pin. Prior…

---

## [How prevasive is Node-RED used in industry / what are the key commercial use cases?](https://discourse.nodered.org/t/how-prevasive-is-node-red-used-in-industry-what-are-the-key-commercial-use-cases/90616)

<div class="topic-metadata">

**Author:** [@grossd](https://discourse.nodered.org/u/grossd)\
**Replies:** 18\
**Last updated:** [3 September 2024 17:17 UTC](https://discourse.nodered.org/t/how-prevasive-is-node-red-used-in-industry-what-are-the-key-commercial-use-cases/90616 "2024-09-03T17:17:23Z")

</div>

Hello, Iam looking for a platform to focus on in providing a plugin for an API specification technology I am developing and am wondering if Node-RED could be a good choice -- i.e. offer an attractive platform for commer…

---

## [Node-RED inaccessible 10-15 minutes after start up](https://discourse.nodered.org/t/node-red-inaccessible-10-15-minutes-after-start-up/90543)

<div class="topic-metadata">

**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 10\
**Last updated:** [3 September 2024 16:01 UTC](https://discourse.nodered.org/t/node-red-inaccessible-10-15-minutes-after-start-up/90543 "2024-09-03T16:01:07Z")

</div>

Hi All, I just started loosing access to the web interface sometime after Node-RED starts. All the flows still appear to be running and the logs show no indications of anything bad happening. When working I can access t…

---

## [Drawing Polyline with Markers on Node-RED Worldmap](https://discourse.nodered.org/t/drawing-polyline-with-markers-on-node-red-worldmap/90643)

<div class="topic-metadata">

**Author:** [@DhamodharanGopal](https://discourse.nodered.org/u/DhamodharanGopal)\
**Replies:** 3\
**Last updated:** [3 September 2024 14:57 UTC](https://discourse.nodered.org/t/drawing-polyline-with-markers-on-node-red-worldmap/90643 "2024-09-03T14:57:29Z")

</div>

Hello everyone, I need to draw a polyline connecting several points while also placing markers at each point on the map. I've been able to add markers individually and create a polyline individualy, but I'm struggling t…

---

## [Read variable value from HTML (ui\_template)](https://discourse.nodered.org/t/read-variable-value-from-html-ui-template/90678)

<div class="topic-metadata">

**Author:** [@robertobuti](https://discourse.nodered.org/u/robertobuti)\
**Replies:** 2\
**Last updated:** [3 September 2024 14:12 UTC](https://discourse.nodered.org/t/read-variable-value-from-html-ui-template/90678 "2024-09-03T14:12:18Z")

</div>

Hello, i'm using ui\_template for simple welcome popup on program startup, i like show welcome message and SW version, the value is stored in global variable named "versione". I have used the this sintax, but doens't wo…

---

## [Help with converting strings to json objects](https://discourse.nodered.org/t/help-with-converting-strings-to-json-objects/90664)

<div class="topic-metadata">

**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 5\
**Last updated:** [3 September 2024 11:25 UTC](https://discourse.nodered.org/t/help-with-converting-strings-to-json-objects/90664 "2024-09-03T11:25:18Z")

</div>

I want to create a json object for the following data. The 1st 2 characters are the actual keys and the rest of the data is the value. To make matters even more fun, the order of the data changes. I know there has…

---

## [Dynamic Modbus Flex](https://discourse.nodered.org/t/dynamic-modbus-flex/90650)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 6\
**Last updated:** [3 September 2024 08:52 UTC](https://discourse.nodered.org/t/dynamic-modbus-flex/90650 "2024-09-03T08:52:40Z")

</div>

Modbus has some nodes called Flex, which means they handles values dynamically for read or write. Not sure why they call flex read for 'getter', but write is still write (not getter). However, the client connection is s…

---

## [Node Red unexpected restart](https://discourse.nodered.org/t/node-red-unexpected-restart/90668)

<div class="topic-metadata">

**Author:** [@digidax](https://discourse.nodered.org/u/digidax)\
**Replies:** 4\
**Last updated:** [3 September 2024 08:52 UTC](https://discourse.nodered.org/t/node-red-unexpected-restart/90668 "2024-09-03T08:52:27Z")

</div>

Hi there, multiple times and randomly per week, node red restarts. I found in my log this events: Sep 2 16:07:30 173 Node-RED\[2835544\]: 2 Sep 16:07:30 - \[error\] \[s7 endpoint:Presse 6\] Error: connect EHOSTUNREACH 192.…

---

## [Disable buffering on HTTP Request node](https://discourse.nodered.org/t/disable-buffering-on-http-request-node/90673)

<div class="topic-metadata">

**Author:** [@JeffVadersBrother](https://discourse.nodered.org/u/JeffVadersBrother)\
**Replies:** 0\
**Last updated:** [3 September 2024 08:06 UTC](https://discourse.nodered.org/t/disable-buffering-on-http-request-node/90673 "2024-09-03T08:06:35Z")

</div>

Hi, Can anyone suggest how to emulate the Curl flag "--no-buffer" when using an HTTP Request node in nodered? I'm trying to find a way to disable the buffering on the HTTP Request node. Thanks Aaron

---

## [Node-red-autolayout-sidebar - adhere to grid](https://discourse.nodered.org/t/node-red-autolayout-sidebar-adhere-to-grid/90499)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 8\
**Last updated:** [28 August 2024 11:55 UTC](https://discourse.nodered.org/t/node-red-autolayout-sidebar-adhere-to-grid/90499 "2024-08-28T11:55:08Z")

</div>

Fantastic plugin to clean up flows - but it does not adhere to the grid (when it exists), I don't know how impossible it would be for the plugin to align according to the grid, overriding the 'margin', or perhaps the mar…

---

## [Setting up Node-Red in a docker container on Openmediavault 7](https://discourse.nodered.org/t/setting-up-node-red-in-a-docker-container-on-openmediavault-7/90662)

<div class="topic-metadata">

**Author:** [@Elsmandino](https://discourse.nodered.org/u/Elsmandino)\
**Replies:** 1\
**Last updated:** [2 September 2024 20:26 UTC](https://discourse.nodered.org/t/setting-up-node-red-in-a-docker-container-on-openmediavault-7/90662 "2024-09-02T20:26:49Z")

</div>

Hi there. I am running OMV7 on my server and running various containers without any issue. However, I am struggling to get the Node-Red container working, though I had no issue with it on OMV6. It appears that I might…

---

## [Understanding Node-red-contrib-buffer-parser input values](https://discourse.nodered.org/t/understanding-node-red-contrib-buffer-parser-input-values/90649)

<div class="topic-metadata">

**Author:** [@jeroenst](https://discourse.nodered.org/u/jeroenst)\
**Replies:** 2\
**Last updated:** [2 September 2024 17:41 UTC](https://discourse.nodered.org/t/understanding-node-red-contrib-buffer-parser-input-values/90649 "2024-09-02T17:41:57Z")

</div>

I use the Node-red-contrib-buffer-parser and it handles the data in de incoming array as 16 bit values. The offset is in 8 bits which I don't understand. And I also don't understand how this node determines if the incomi…

---

## [Error after loading UIbuilder version 7.0.2 \[closed\]](https://discourse.nodered.org/t/error-after-loading-uibuilder-version-7-0-2-closed/90629)

<div class="topic-metadata">

**Author:** [@Frida](https://discourse.nodered.org/u/Frida)\
**Replies:** 6\
**Last updated:** [2 September 2024 16:57 UTC](https://discourse.nodered.org/t/error-after-loading-uibuilder-version-7-0-2-closed/90629 "2024-09-02T16:57:35Z")

</div>

Welcome to Node-RED =================== 2 Sep 08:46:24 - \[info\] Node-RED version: v4.0.2 2 Sep 08:46:24 - \[info\] Node.js version: v21.7.1 2 Sep 08:46:24 - \[info\] Darwin 23.6.0 arm64 LE 2 Sep 08:46:24 - \[info\] Loading p…

---

## [Adding header and footer to PDF](https://discourse.nodered.org/t/adding-header-and-footer-to-pdf/90652)

<div class="topic-metadata">

**Author:** [@tfuchs1987](https://discourse.nodered.org/u/tfuchs1987)\
**Replies:** 1\
**Last updated:** [2 September 2024 15:52 UTC](https://discourse.nodered.org/t/adding-header-and-footer-to-pdf/90652 "2024-09-02T15:52:12Z")

</div>

Hi Node-REDers, I am trying to find a way to add header and footer information to an existing PDF document. Is there a contribution in Node-RED to achieve this? Thanks in advance if someone can guide me in the right di…

---

## [Output githash or similar software version](https://discourse.nodered.org/t/output-githash-or-similar-software-version/90651)

<div class="topic-metadata">

**Author:** [@kubasmyk](https://discourse.nodered.org/u/kubasmyk)\
**Replies:** 0\
**Last updated:** [2 September 2024 15:13 UTC](https://discourse.nodered.org/t/output-githash-or-similar-software-version/90651 "2024-09-02T15:13:04Z")

</div>

Hi does there exist a preferred way or any easy way to: Output information from all flows that can be used for traceability of existing software version. I would like to send this to database.

---

## [TCP/IP bi-directional messaging](https://discourse.nodered.org/t/tcp-ip-bi-directional-messaging/89732)

<div class="topic-metadata">

**Author:** [@kubasmyk](https://discourse.nodered.org/u/kubasmyk)\
**Replies:** 2\
**Last updated:** [2 September 2024 15:08 UTC](https://discourse.nodered.org/t/tcp-ip-bi-directional-messaging/89732 "2024-09-02T15:08:37Z")

</div>

Hi there, not sure I'musing correct words to describe exactly what I mean. Apologies. Does node red support bidirectional messaging with existing nodes. (Without the request-response approach)? I'm struggling to set it…

---

## [MQTT Message Not Being Sent](https://discourse.nodered.org/t/mqtt-message-not-being-sent/90504)

<div class="topic-metadata">

**Author:** [@wcx](https://discourse.nodered.org/u/wcx)\
**Replies:** 25\
**Last updated:** [2 September 2024 14:50 UTC](https://discourse.nodered.org/t/mqtt-message-not-being-sent/90504 "2024-09-02T14:50:13Z")

</div>

Hi Team, I have a dashboard that I use for scheduling, I use inject nodes injecting into function blocks. The function blocks contain several message. Example let var\_obj\_message = {}; var\_obj\_message.topic = "feeds…

---

## [How to get Real64 from MC Protocol](https://discourse.nodered.org/t/how-to-get-real64-from-mc-protocol/90627)

<div class="topic-metadata">

**Author:** [@Edcung](https://discourse.nodered.org/u/Edcung)\
**Replies:** 6\
**Last updated:** [2 September 2024 08:57 UTC](https://discourse.nodered.org/t/how-to-get-real64-from-mc-protocol/90627 "2024-09-02T08:57:53Z")

</div>

I'm get data from mitsubishi plc via node mc protocol but number is mismatch data in node-red and setting

---

## [Npm "high" security vulnerabilities?](https://discourse.nodered.org/t/npm-high-security-vulnerabilities/90624)

<div class="topic-metadata">

**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 0\
**Last updated:** [1 September 2024 18:48 UTC](https://discourse.nodered.org/t/npm-high-security-vulnerabilities/90624 "2024-09-01T18:48:15Z")

</div>

Just did a fresh node-red installation on a virgin install of Ubuntu-Mate 22.04. When I did the npm install of dashboard and a few other extra modules: npm i node-red-dashboard node-red-node-email node-red-contrib-imag…

---

## [Problem with global.get in a function](https://discourse.nodered.org/t/problem-with-global-get-in-a-function/90621)

<div class="topic-metadata">

**Author:** [@irotier](https://discourse.nodered.org/u/irotier)\
**Replies:** 3\
**Last updated:** [1 September 2024 17:30 UTC](https://discourse.nodered.org/t/problem-with-global-get-in-a-function/90621 "2024-09-01T17:30:36Z")

</div>

I tried several hours to work with a global (and persistant) variable. After many tries i realized, that everything works fine, when i'm using context, saved as memoryOnly, but it doesn't if i try to use a global context…

---

## [Node-Red installation in AWS](https://discourse.nodered.org/t/node-red-installation-in-aws/90555)

<div class="topic-metadata">

**Author:** [@bobfield](https://discourse.nodered.org/u/bobfield)\
**Replies:** 8\
**Last updated:** [1 September 2024 10:12 UTC](https://discourse.nodered.org/t/node-red-installation-in-aws/90555 "2024-09-01T10:12:44Z")

</div>

I intend to create a new instance in my AWS account to install Dashboards on Node-Red. I have a Dashboard for each client. What is the best and most economical implementation strategy? Create an AWS instance for each cus…

---

## [GSheet is "loading..." - previously worked](https://discourse.nodered.org/t/gsheet-is-loading-previously-worked/90579)

<div class="topic-metadata">

**Author:** [@phoniclynx](https://discourse.nodered.org/u/phoniclynx)\
**Replies:** 6\
**Last updated:** [31 August 2024 14:22 UTC](https://discourse.nodered.org/t/gsheet-is-loading-previously-worked/90579 "2024-08-31T14:22:53Z")

</div>

For a very long time I have had no issues with Node-RED and the gSheet plugin and today I decided to add some more cells to the look-up and place it into HomeAssistant (that's where everything else goes). Out of the blu…

---

## [Buffer parser and influxdb with 64bit number](https://discourse.nodered.org/t/buffer-parser-and-influxdb-with-64bit-number/90556)

<div class="topic-metadata">

**Author:** [@PAT](https://discourse.nodered.org/u/PAT)\
**Replies:** 2\
**Last updated:** [31 August 2024 12:05 UTC](https://discourse.nodered.org/t/buffer-parser-and-influxdb-with-64bit-number/90556 "2024-08-31T12:05:36Z")

</div>

hi all hope someone could shed some light on this issue. I am reading 2 x 64 unsighned numbers from an energy meter. and trying to pass it to influx. in the same flow i am passing 64 bit double floating point numbers …

---

## [Dashboard 2.0 : Dropdown node need to be cleared](https://discourse.nodered.org/t/dashboard-2-0-dropdown-node-need-to-be-cleared/90581)

<div class="topic-metadata">

**Author:** [@saraltech](https://discourse.nodered.org/u/saraltech)\
**Replies:** 2\
**Last updated:** [31 August 2024 09:43 UTC](https://discourse.nodered.org/t/dashboard-2-0-dropdown-node-need-to-be-cleared/90581 "2024-08-31T09:43:13Z")

</div>

I am using a dropdown node to select shift. however after pressing the save button, I want to clear the selction at the drop down node. I tried to pass msg.payload = null but it does not work. in the dashboard, it still …

---

## [Node-RED Projects will not start](https://discourse.nodered.org/t/node-red-projects-will-not-start/90572)

<div class="topic-metadata">

**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 3\
**Last updated:** [31 August 2024 09:11 UTC](https://discourse.nodered.org/t/node-red-projects-will-not-start/90572 "2024-08-31T09:11:36Z")

</div>

I have a rpi that I can't get project to load. I have enabled projects in settings.js projects: { /\*\* To enable the Projects feature, set this value to true \*/ enabled: true, …

---

## [Trigger Node handling - limitations?](https://discourse.nodered.org/t/trigger-node-handling-limitations/90528)

<div class="topic-metadata">

**Author:** [@mattuns](https://discourse.nodered.org/u/mattuns)\
**Replies:** 5\
**Last updated:** [31 August 2024 08:15 UTC](https://discourse.nodered.org/t/trigger-node-handling-limitations/90528 "2024-08-31T08:15:20Z")

</div>

Hi All, we are using the trigger node as part of a watchdog flow to provide an alert (via webhook) when sensor data is not received after X minutes. We are new to NodeRed and are learning as we go. Originally we had a …

[Previous page](https://discourse.nodered.org/c/general/7.md?page=85)

[Next page](https://discourse.nodered.org/c/general/7.md?page=87)