# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=306

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

**Page:** 307

---

## [Question about extraction of text on HTML webpage](https://discourse.nodered.org/t/question-about-extraction-of-text-on-html-webpage/69321)

<div class="topic-metadata">

**Author:** [@polarrys](https://discourse.nodered.org/u/polarrys)\
**Replies:** 6\
**Last updated:** [21 October 2022 12:23 UTC](https://discourse.nodered.org/t/question-about-extraction-of-text-on-html-webpage/69321 "2022-10-21T12:23:32Z")

</div>

Dear Node-red community. I read a lot of post on how to use html request and html node and I can't do that I want. Let me explain : I want to extract and to post 2 text on my dashbord from this web site : RTE Tempo T…

---

## [TCP request Node Programmatically dis/re-connect](https://discourse.nodered.org/t/tcp-request-node-programmatically-dis-re-connect/69374)

<div class="topic-metadata">

**Author:** [@AAlmarwani93](https://discourse.nodered.org/u/AAlmarwani93)\
**Replies:** 0\
**Last updated:** [21 October 2022 11:29 UTC](https://discourse.nodered.org/t/tcp-request-node-programmatically-dis-re-connect/69374 "2022-10-21T11:29:39Z")

</div>

Hello everyone, I have a tcp request node that is kept at never close connection. My other endpoint sometimes disconnects for 1-2 minutes from the network and I would like to programmatically disconnect the TCP request …

---

## [Copy datetime from a table to another table](https://discourse.nodered.org/t/copy-datetime-from-a-table-to-another-table/69354)

<div class="topic-metadata">

**Author:** [@cubical](https://discourse.nodered.org/u/cubical)\
**Replies:** 5\
**Last updated:** [21 October 2022 08:57 UTC](https://discourse.nodered.org/t/copy-datetime-from-a-table-to-another-table/69354 "2022-10-21T08:57:38Z")

</div>

Hi guys, I've been trying to copy the datetime from a table to another table (mssql). Issue: the datetime data type is being output as string. Anyone knows how to counter the issue?

---

## [Split message, do some conversion and do several http requests](https://discourse.nodered.org/t/split-message-do-some-conversion-and-do-several-http-requests/69279)

<div class="topic-metadata">

**Author:** [@4integration](https://discourse.nodered.org/u/4integration)\
**Replies:** 3\
**Last updated:** [21 October 2022 08:56 UTC](https://discourse.nodered.org/t/split-message-do-some-conversion-and-do-several-http-requests/69279 "2022-10-21T08:56:31Z")

</div>

Hi, I have this sample JSON as input: { "viewer": { "home": { "id": "uniqueid1", "currentSubscription": { "id": "uniqueid2", "priceInfo": { "current": { "total": …

---

## [MQTT 'Connection failed to broker'](https://discourse.nodered.org/t/mqtt-connection-failed-to-broker/69188)

<div class="topic-metadata">

**Author:** [@donghyeon95](https://discourse.nodered.org/u/donghyeon95)\
**Replies:** 12\
**Last updated:** [21 October 2022 07:47 UTC](https://discourse.nodered.org/t/mqtt-connection-failed-to-broker/69188 "2022-10-21T07:47:01Z")

</div>

Hi there, I am building a vertical farm sensing and control system. The sensor data are gathered into my node-red server through MQTT server (Mosquitto). Recently, console alert 'connection failed to broker' messages…

---

## [Debug Node - String output - what does the arrow mean?](https://discourse.nodered.org/t/debug-node-string-output-what-does-the-arrow-mean/69353)

<div class="topic-metadata">

**Author:** [@lewi0231](https://discourse.nodered.org/u/lewi0231)\
**Replies:** 3\
**Last updated:** [21 October 2022 05:46 UTC](https://discourse.nodered.org/t/debug-node-string-output-what-does-the-arrow-mean/69353 "2022-10-21T05:46:27Z")

</div>

I have a situation where I am trying to run a String through a service (not important which). Specifically, I am attempting to dynamically apply a String to msg.payload and then the service reads this (and does somethin…

---

## [SOAP server error](https://discourse.nodered.org/t/soap-server-error/69340)

<div class="topic-metadata">

**Author:** [@ana1955](https://discourse.nodered.org/u/ana1955)\
**Replies:** 0\
**Last updated:** [20 October 2022 14:56 UTC](https://discourse.nodered.org/t/soap-server-error/69340 "2022-10-20T14:56:53Z")

</div>

Hello, I am not conversant with SOAP protocol and messages. I installed node-red-contrib-wsdl-soap-server-sim nodes - soap-server, soap-response. It works with the GitHub example referred in the node's Help document. H…

---

## [How to detect login to the Editor](https://discourse.nodered.org/t/how-to-detect-login-to-the-editor/69343)

<div class="topic-metadata">

**Author:** [@Andrei](https://discourse.nodered.org/u/Andrei)\
**Replies:** 5\
**Last updated:** [20 October 2022 22:06 UTC](https://discourse.nodered.org/t/how-to-detect-login-to-the-editor/69343 "2022-10-20T22:06:21Z")

</div>

Imagine a Node-RED use case where the user (that is an IT specialist) is allowed to access Node-RED editor from times to times (for whatever reason - not relevant to the question). As the owner of this application I will…

---

## [Best way to get sensor data from NR on Android to NR on RPi](https://discourse.nodered.org/t/best-way-to-get-sensor-data-from-nr-on-android-to-nr-on-rpi/55738)

<div class="topic-metadata">

**Author:** [@Jay1234](https://discourse.nodered.org/u/Jay1234)\
**Replies:** 7\
**Last updated:** [20 October 2022 21:33 UTC](https://discourse.nodered.org/t/best-way-to-get-sensor-data-from-nr-on-android-to-nr-on-rpi/55738 "2022-10-20T21:33:15Z")

</div>

I am currently building an astrophotography barn door tracker (haig mount) using NR as the control system. In order increase accuracy, I want to use an instance of NR installed on my android phone to provide sensor data …

---

## [Cannot install node-red-contrib-virtual-smart-home 3.0.1](https://discourse.nodered.org/t/cannot-install-node-red-contrib-virtual-smart-home-3-0-1/68716)

<div class="topic-metadata">

**Author:** [@coppo23](https://discourse.nodered.org/u/coppo23)\
**Replies:** 3\
**Last updated:** [20 October 2022 20:34 UTC](https://discourse.nodered.org/t/cannot-install-node-red-contrib-virtual-smart-home-3-0-1/68716 "2022-10-20T20:34:45Z")

</div>

I have been using v2.x of VSH for a while and ran into something not working so decided to update. I cannot install from the palette at all - getting the following: (I'm afraid I'm non the wiser!) \> 2022-10-08T11:52:05…

---

## [Can't send network variables to codesys](https://discourse.nodered.org/t/cant-send-network-variables-to-codesys/69186)

<div class="topic-metadata">

**Author:** [@Mossi92](https://discourse.nodered.org/u/Mossi92)\
**Replies:** 6\
**Last updated:** [20 October 2022 20:31 UTC](https://discourse.nodered.org/t/cant-send-network-variables-to-codesys/69186 "2022-10-20T20:31:58Z")

</div>

Hi, I am struggeling with sending network variables to codesys. I am able to receive variables from PLC to Node-RED through node-red-contrib-nvl, but not the other way. Node-RED V3.0.2 running on raspberry pi 4 Codesy…

---

## ['node-red-contrib-smstools' disconnects me from NodeRed](https://discourse.nodered.org/t/node-red-contrib-smstools-disconnects-me-from-nodered/69347)

<div class="topic-metadata">

**Author:** [@rbmgf7](https://discourse.nodered.org/u/rbmgf7)\
**Replies:** 1\
**Last updated:** [20 October 2022 20:19 UTC](https://discourse.nodered.org/t/node-red-contrib-smstools-disconnects-me-from-nodered/69347 "2022-10-20T20:19:14Z")

</div>

Tried installing this palette and it ended up disconnecting me from NR. I went to the command prompt to uninstall/remove it but it's not responding. Using command: npm uninstall node-red-contrib-smstools Keep getting …

---

## [I can't find and edit the javascript file of a module (Home assistant)](https://discourse.nodered.org/t/i-cant-find-and-edit-the-javascript-file-of-a-module-home-assistant/69315)

<div class="topic-metadata">

**Author:** [@Giacomo23](https://discourse.nodered.org/u/Giacomo23)\
**Replies:** 11\
**Last updated:** [20 October 2022 19:23 UTC](https://discourse.nodered.org/t/i-cant-find-and-edit-the-javascript-file-of-a-module-home-assistant/69315 "2022-10-20T19:23:20Z")

</div>

Hi, I have the same problem as this github (https://github.com/Hypnos3/node-red-contrib-cast/issues/73 ) and it says that to solve I have to modify the javascript file inside the module, only when I go to the node\_modul…

---

## [How to change strings into integer from an object](https://discourse.nodered.org/t/how-to-change-strings-into-integer-from-an-object/69266)

<div class="topic-metadata">

**Author:** [@Ulrich](https://discourse.nodered.org/u/Ulrich)\
**Replies:** 6\
**Last updated:** [20 October 2022 16:21 UTC](https://discourse.nodered.org/t/how-to-change-strings-into-integer-from-an-object/69266 "2022-10-20T16:21:21Z")

</div>

This is my msg.payload Object: How could i change all string values into integers?

---

## [How to compare sensor values with a number](https://discourse.nodered.org/t/how-to-compare-sensor-values-with-a-number/69337)

<div class="topic-metadata">

**Author:** [@Randomguys](https://discourse.nodered.org/u/Randomguys)\
**Replies:** 3\
**Last updated:** [20 October 2022 16:08 UTC](https://discourse.nodered.org/t/how-to-compare-sensor-values-with-a-number/69337 "2022-10-20T16:08:08Z")

</div>

Hello everyone, I'm new here. I'm struggling to write a function that compare a sensor value with a number then return 1 if the sensor value equal or grater than the number and return 0 if it smaller. I'm using Modbus RT…

---

## [Extract many value from a string in different msg.payload](https://discourse.nodered.org/t/extract-many-value-from-a-string-in-different-msg-payload/69319)

<div class="topic-metadata">

**Author:** [@alexdelli](https://discourse.nodered.org/u/alexdelli)\
**Replies:** 4\
**Last updated:** [20 October 2022 14:08 UTC](https://discourse.nodered.org/t/extract-many-value-from-a-string-in-different-msg-payload/69319 "2022-10-20T14:08:45Z")

</div>

Hi all I'm a newbie in node red, but I like this powerful tool. I'm extracting a topic from MQTT with a lot of data with single message and I need to take every row value and create a msg.paylod for each value. So, I…

---

## [Properties with spaces in template node: how?](https://discourse.nodered.org/t/properties-with-spaces-in-template-node-how/69283)

<div class="topic-metadata">

**Author:** [@JayDickson](https://discourse.nodered.org/u/JayDickson)\
**Replies:** 4\
**Last updated:** [20 October 2022 14:06 UTC](https://discourse.nodered.org/t/properties-with-spaces-in-template-node-how/69283 "2022-10-20T14:06:52Z")

</div>

I'm looking to use a template node to build a message that is being thrown together using properties of an object that has spaces in some of the properties. In a previous version of the flow, I manually moved all of thes…

---

## [NodeJS for encoding/decoding MAVLink messages](https://discourse.nodered.org/t/nodejs-for-encoding-decoding-mavlink-messages/5231)

<div class="topic-metadata">

**Author:** [@mrizkywiguna](https://discourse.nodered.org/u/mrizkywiguna)\
**Replies:** 2\
**Last updated:** [27 November 2018 09:14 UTC](https://discourse.nodered.org/t/nodejs-for-encoding-decoding-mavlink-messages/5231 "2018-11-27T09:14:47Z")

</div>

Hi All, I've plan to read paramater GCS from Pixhawk to Node-red. We know this flight controller use Mavlink protocol, and I've found this module from Omcaree Github: My question is Has anyone ever tried to encoding/…

---

## [Change wire colors](https://discourse.nodered.org/t/change-wire-colors/69307)

<div class="topic-metadata">

**Author:** [@stefaanv](https://discourse.nodered.org/u/stefaanv)\
**Replies:** 6\
**Last updated:** [20 October 2022 12:16 UTC](https://discourse.nodered.org/t/change-wire-colors/69307 "2022-10-20T12:16:39Z")

</div>

Is it possible to change the color of wires ? Would be nice to make different types of information flow visible in the flow.

---

## [Getting value from MQTT message](https://discourse.nodered.org/t/getting-value-from-mqtt-message/69320)

<div class="topic-metadata">

**Author:** [@dforster](https://discourse.nodered.org/u/dforster)\
**Replies:** 9\
**Last updated:** [20 October 2022 11:01 UTC](https://discourse.nodered.org/t/getting-value-from-mqtt-message/69320 "2022-10-20T11:01:47Z")

</div>

Hello, I am trying to retrieve the value for "accumEnergyTotal" in the image below so I can output this in the message payload. I have tried and tried and as yet not succeeded. Could someone help me please? Cheers Danie…

---

## [How to have node name show on more than one row](https://discourse.nodered.org/t/how-to-have-node-name-show-on-more-than-one-row/69311)

<div class="topic-metadata">

**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 3\
**Last updated:** [20 October 2022 10:57 UTC](https://discourse.nodered.org/t/how-to-have-node-name-show-on-more-than-one-row/69311 "2022-10-20T10:57:02Z")

</div>

Hi, how can I do this? (name on more rows)

---

## [Node-red-contrib-alexa-cakebaked](https://discourse.nodered.org/t/node-red-contrib-alexa-cakebaked/69316)

<div class="topic-metadata">

**Author:** [@Giacomo23](https://discourse.nodered.org/u/Giacomo23)\
**Replies:** 4\
**Last updated:** [20 October 2022 09:28 UTC](https://discourse.nodered.org/t/node-red-contrib-alexa-cakebaked/69316 "2022-10-20T09:28:17Z")

</div>

Hi everyone, I have installed this node and it works fine, I have only one problem. When I initialized my account with the specific flow and also put the second block "on device activity" any amazon echo device does not…

---

## [How much is big is node-red](https://discourse.nodered.org/t/how-much-is-big-is-node-red/68950)

<div class="topic-metadata">

**Author:** [@BLND](https://discourse.nodered.org/u/BLND)\
**Replies:** 28\
**Last updated:** [20 October 2022 07:08 UTC](https://discourse.nodered.org/t/how-much-is-big-is-node-red/68950 "2022-10-20T07:08:06Z")

</div>

how many devices can be connected to one dashboard or with one computer running node-red?

---

## [Ui-Table - columns dimension](https://discourse.nodered.org/t/ui-table-columns-dimension/69270)

<div class="topic-metadata">

**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 3\
**Last updated:** [20 October 2022 06:32 UTC](https://discourse.nodered.org/t/ui-table-columns-dimension/69270 "2022-10-20T06:32:15Z")

</div>

Hi, this morning I created my first table in node-red .... This is my wonderful table ... the code ..... and the template to increase the size of text row ... I would like to set the width of each column (wi…

---

## [Node-RED with IoT sensor](https://discourse.nodered.org/t/node-red-with-iot-sensor/69235)

<div class="topic-metadata">

**Author:** [@IhabSan](https://discourse.nodered.org/u/IhabSan)\
**Replies:** 7\
**Last updated:** [20 October 2022 05:49 UTC](https://discourse.nodered.org/t/node-red-with-iot-sensor/69235 "2022-10-20T05:49:21Z")

</div>

I would like to ask about how can we use Node-RED with IoT sensors. Node-RED use as translator and how?

---

## [Compare Meter Reading with InfluxDB Function](https://discourse.nodered.org/t/compare-meter-reading-with-influxdb-function/69253)

<div class="topic-metadata">

**Author:** [@Starfoxfs](https://discourse.nodered.org/u/Starfoxfs)\
**Replies:** 3\
**Last updated:** [19 October 2022 20:41 UTC](https://discourse.nodered.org/t/compare-meter-reading-with-influxdb-function/69253 "2022-10-19T20:41:33Z")

</div>

Hi, I have a big problem. I am a newbie and would like to compare the total meter reading from the influxdb with the electricity meter. If the value of the electricity meter is 0 (because of a power failure, for example…

---

## [Export data to CSV](https://discourse.nodered.org/t/export-data-to-csv/69150)

<div class="topic-metadata">

**Author:** [@Robsi](https://discourse.nodered.org/u/Robsi)\
**Replies:** 7\
**Last updated:** [19 October 2022 19:11 UTC](https://discourse.nodered.org/t/export-data-to-csv/69150 "2022-10-19T19:11:52Z")

</div>

Hello together, I have a little programming experience but in nodered I am a complete newbie :slight\_smile: I'm trying to export data to a CSV which works fine but I have problems with the formatting. When I open my …

---

## [Calculate the rpi-gpio in value](https://discourse.nodered.org/t/calculate-the-rpi-gpio-in-value/68934)

<div class="topic-metadata">

**Author:** [@pierrot](https://discourse.nodered.org/u/pierrot)\
**Replies:** 21\
**Last updated:** [19 October 2022 16:23 UTC](https://discourse.nodered.org/t/calculate-the-rpi-gpio-in-value/68934 "2022-10-19T16:23:08Z")

</div>

Hello, can someone give some tips to do the following want to calculate the time the rpi-gpio in node vlaue 0 or 1 . for every month , and put inside a table for eaxmple januray vlaue 1 (300 hr) and vlaue 0 ( 420 hr …

---

## [Webhook payload comes with header info](https://discourse.nodered.org/t/webhook-payload-comes-with-header-info/69173)

<div class="topic-metadata">

**Author:** [@julio8a](https://discourse.nodered.org/u/julio8a)\
**Replies:** 13\
**Last updated:** [19 October 2022 16:12 UTC](https://discourse.nodered.org/t/webhook-payload-comes-with-header-info/69173 "2022-10-19T16:12:34Z")

</div>

Greetings! I just started using node-red about a week ago with Home Assistant. I had a webhook payload coming from Plex, however, I'm trying to convert it to an object or just use the JSON data, however, in the debug i…

---

## [Node-Red crashed... :-(](https://discourse.nodered.org/t/node-red-crashed/69248)

<div class="topic-metadata">

**Author:** [@DR\_Oetker](https://discourse.nodered.org/u/DR_Oetker)\
**Replies:** 3\
**Last updated:** [19 October 2022 16:07 UTC](https://discourse.nodered.org/t/node-red-crashed/69248 "2022-10-19T16:07:06Z")

</div>

Hallo everybody, at first i have to say sorry about my english... I'm not very good, but i trie my best :slight\_smile: I'm new in the world of Node-Red and also in Raspberry so i have to ask you a question... I've bou…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=305)

[Next page](https://discourse.nodered.org/c/general/7.md?page=307)