# Latest

**URL:** https://discourse.nodered.org/latest.md?page=975

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

**Page:** 976

---

## [Remove end of array in payload](https://discourse.nodered.org/t/remove-end-of-array-in-payload/34511)

<div class="topic-metadata">

**Author:** [@jeffreys](https://discourse.nodered.org/u/jeffreys)\
**Replies:** 8\
**Last updated:** [19 October 2020 17:16 UTC](https://discourse.nodered.org/t/remove-end-of-array-in-payload/34511 "2020-10-19T17:16:24Z")

</div>

How do I remove 22 thru 27 of the data array as shown? I just want to pass out the first 21 data values. To make the function 16 modbus write work i need to have the data array be the same as the quantity of values it w…

---

## [Omxplayer - "Error: not ready yet"](https://discourse.nodered.org/t/omxplayer-error-not-ready-yet/18470)

<div class="topic-metadata">

**Author:** [@psulli10](https://discourse.nodered.org/u/psulli10)\
**Replies:** 3\
**Last updated:** [19 October 2020 17:14 UTC](https://discourse.nodered.org/t/omxplayer-error-not-ready-yet/18470 "2020-10-19T17:14:48Z")

</div>

Hi, I'm installed omxplayer on a Pi3 and have installed the omxplayer node with the aim of playing and stopping an mp3 file as part of a flow. From the command line I can play an mp3 using: omxplayer -o alsa filename.m…

---

## [Convert from Celcius to fairenheit](https://discourse.nodered.org/t/convert-from-celcius-to-fairenheit/34477)

<div class="topic-metadata">

**Author:** [@AD2TM](https://discourse.nodered.org/u/AD2TM)\
**Replies:** 5\
**Last updated:** [19 October 2020 16:54 UTC](https://discourse.nodered.org/t/convert-from-celcius-to-fairenheit/34477 "2020-10-19T16:54:05Z")

</div>

I have set a Sonoff TH10 with the AM2301 temperature sensor. The flow I have is working well, with one exception. I can not figure out how to convert the celcius that the AM2301 outputs to Fahrenheit. I have a switch nod…

---

## [Is http node secure?](https://discourse.nodered.org/t/is-http-node-secure/34432)

<div class="topic-metadata">

**Author:** [@Guacamole-1](https://discourse.nodered.org/u/Guacamole-1)\
**Replies:** 5\
**Last updated:** [19 October 2020 16:45 UTC](https://discourse.nodered.org/t/is-http-node-secure/34432 "2020-10-19T16:45:33Z")

</div>

hi, im new to node red and i would like to know if the http nodes are secure if exposed to the internet? is it secure if i have a simple website with node exposed to the internet?

---

## [I cannot regularly receive the value from a measuring device](https://discourse.nodered.org/t/i-cannot-regularly-receive-the-value-from-a-measuring-device/34502)

<div class="topic-metadata">

**Author:** [@hassengh](https://discourse.nodered.org/u/hassengh)\
**Replies:** 9\
**Last updated:** [19 October 2020 16:08 UTC](https://discourse.nodered.org/t/i-cannot-regularly-receive-the-value-from-a-measuring-device/34502 "2020-10-19T16:08:15Z")

</div>

Hello , I cannot regularly receive the value from a measuring device, on the other hand I receive the timestamp value on a regular . I need your help

---

## [Show/Hide switch with msg.payload](https://discourse.nodered.org/t/show-hide-switch-with-msg-payload/16066)

<div class="topic-metadata">

**Author:** [@nicedevil](https://discourse.nodered.org/u/nicedevil)\
**Replies:** 5\
**Last updated:** [19 October 2020 16:02 UTC](https://discourse.nodered.org/t/show-hide-switch-with-msg-payload/16066 "2020-10-19T16:02:46Z")

</div>

Hey guys, I think my original Post under General was in the wrong place. So here again :slight\_smile: Is it possible to Show/Hide a switch with a msg.payload or anything else? I just want to enter a PIN before I'm abl…

---

## [Configure modbus server](https://discourse.nodered.org/t/configure-modbus-server/34510)

<div class="topic-metadata">

**Author:** [@Federica](https://discourse.nodered.org/u/Federica)\
**Replies:** 0\
**Last updated:** [19 October 2020 15:56 UTC](https://discourse.nodered.org/t/configure-modbus-server/34510 "2020-10-19T15:56:38Z")

</div>

Hello!! I'm working with the ModbusTCP protocol. Initially, I read the Modbus registers with 'function' and 'ModbusFlexGetter' node, as shown in the figure and I added the server parameters manually. Is it possible to…

---

## [Mdashboard - text input block](https://discourse.nodered.org/t/mdashboard-text-input-block/34257)

<div class="topic-metadata">

**Author:** [@PawelR](https://discourse.nodered.org/u/PawelR)\
**Replies:** 4\
**Last updated:** [19 October 2020 15:15 UTC](https://discourse.nodered.org/t/mdashboard-text-input-block/34257 "2020-10-19T15:15:28Z")

</div>

Hello. I try to make small dashboard so i install MYDASHBOARD. All looks nice but i can't change/ update value for text input block - How to do it? What i connect ( below ) - don't work. \[{"id":"89d06aa2.2766b8","type…

---

## [Copy to clipboard](https://discourse.nodered.org/t/copy-to-clipboard/34489)

<div class="topic-metadata">

**Author:** [@MA.ING](https://discourse.nodered.org/u/MA.ING)\
**Replies:** 9\
**Last updated:** [19 October 2020 14:22 UTC](https://discourse.nodered.org/t/copy-to-clipboard/34489 "2020-10-19T14:22:02Z")

</div>

Hi, I am trying to create a button that copies a text to the clipboard from the dashboard but I can't do it in any way or with any node, could someone who has done something similar help me? Thank you

---

## [Switch Node where cond. with more values](https://discourse.nodered.org/t/switch-node-where-cond-with-more-values/34495)

<div class="topic-metadata">

**Author:** [@denisjoshua](https://discourse.nodered.org/u/denisjoshua)\
**Replies:** 4\
**Last updated:** [19 October 2020 13:58 UTC](https://discourse.nodered.org/t/switch-node-where-cond-with-more-values/34495 "2020-10-19T13:58:11Z")

</div>

Hi there all, I need to tell to a Switch Node to make 2 output one for received "Saturday" or "Sunday" the second for received "Monday" or "Tuesday" or "Wednesday" or "Thursday" or "Friday" I know that can be simple.…

---

## [Killing SQL Connections](https://discourse.nodered.org/t/killing-sql-connections/34288)

<div class="topic-metadata">

**Author:** [@Chorum](https://discourse.nodered.org/u/Chorum)\
**Replies:** 5\
**Last updated:** [19 October 2020 13:41 UTC](https://discourse.nodered.org/t/killing-sql-connections/34288 "2020-10-19T13:41:54Z")

</div>

Hello, I am struggeling with my amount of SQL Connections some time now. But i think i found a solution. i am able to get all current process ID's and theyre state. My next idea is to retrieve all process ID's and ki…

---

## [Understand how to decode](https://discourse.nodered.org/t/understand-how-to-decode/34484)

<div class="topic-metadata">

**Author:** [@Gpontaro](https://discourse.nodered.org/u/Gpontaro)\
**Replies:** 1\
**Last updated:** [19 October 2020 12:52 UTC](https://discourse.nodered.org/t/understand-how-to-decode/34484 "2020-10-19T12:52:30Z")

</div>

Hi I have installed a ttn package in node red and connected uplink node to my ttn application. My problem is how to get right values in node red. In node red I can see that I receive a payload but it is not the same as…

---

## [Is NORA disabled](https://discourse.nodered.org/t/is-nora-disabled/34500)

<div class="topic-metadata">

**Author:** [@Toster](https://discourse.nodered.org/u/Toster)\
**Replies:** 1\
**Last updated:** [19 October 2020 12:29 UTC](https://discourse.nodered.org/t/is-nora-disabled/34500 "2020-10-19T12:29:19Z")

</div>

Hi, I have a problem I use NORA ( NOde Red home Automation) to use google home with node red and it just stopped working and i have no idea why. I was using it for like a month and it was working smoothly now without a…

---

## [Socket connection to python script on RPi](https://discourse.nodered.org/t/socket-connection-to-python-script-on-rpi/13728)

<div class="topic-metadata">

**Author:** [@solano8](https://discourse.nodered.org/u/solano8)\
**Replies:** 9\
**Last updated:** [19 October 2020 10:28 UTC](https://discourse.nodered.org/t/socket-connection-to-python-script-on-rpi/13728 "2020-10-19T10:28:16Z")

</div>

I have a RPi with SMS Hat running a python script serving as SMS gateway. Mostly for misc alarm purposes. To send SMS, I open a socket connection from another RPi and send a simple message to the server. I'd like to this…

---

## [Read messages from a file and process time-based](https://discourse.nodered.org/t/read-messages-from-a-file-and-process-time-based/34299)

<div class="topic-metadata">

**Author:** [@loeten](https://discourse.nodered.org/u/loeten)\
**Replies:** 11\
**Last updated:** [19 October 2020 09:54 UTC](https://discourse.nodered.org/t/read-messages-from-a-file-and-process-time-based/34299 "2020-10-19T09:54:15Z")

</div>

Hi there, I understood an tested successfully how to store temperature sensor data in a file (just timestamp and temperature. The issue is - the sensor sends data just randomly, if temperature changes. If it does not ch…

---

## [Modbus RTU issues](https://discourse.nodered.org/t/modbus-rtu-issues/34445)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 1\
**Last updated:** [19 October 2020 09:24 UTC](https://discourse.nodered.org/t/modbus-rtu-issues/34445 "2020-10-19T09:24:03Z")

</div>

Guys, I have a 3 phase energy meter - ACREL DTSD1352 /ADL3000 - it is configured as 9600,N,8,1 on Address 1. I have a Linux (Ubuntu 18.04) on a laptop. I have a USB/RS485 dongle - this is installed and presenting itse…

---

## [The Future of Node-RED](https://discourse.nodered.org/t/the-future-of-node-red/34180)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 12\
**Last updated:** [19 October 2020 04:52 UTC](https://discourse.nodered.org/t/the-future-of-node-red/34180 "2020-10-19T04:52:01Z")

</div>

I spoke at Node-RED Con Tokyo last weekend about our future plans for Node-RED. I've now written up the talk and published it the blog to share the details with the wider community - you can read it here: https://nodere…

---

## [Help: Filtering Feedparser RSS output](https://discourse.nodered.org/t/help-filtering-feedparser-rss-output/34384)

<div class="topic-metadata">

**Author:** [@cflynn17](https://discourse.nodered.org/u/cflynn17)\
**Replies:** 2\
**Last updated:** [19 October 2020 01:59 UTC](https://discourse.nodered.org/t/help-filtering-feedparser-rss-output/34384 "2020-10-19T01:59:40Z")

</div>

I am trying to run a rss feed through a feedparser node to a text-to-speech node, but the feedparser output has the website url included with the msg.payload. How can I filter the output to not include the url?

---

## [UI Builder change background color depending on the displayed value](https://discourse.nodered.org/t/ui-builder-change-background-color-depending-on-the-displayed-value/33778)

<div class="topic-metadata">

**Author:** [@ChrisWeb71](https://discourse.nodered.org/u/ChrisWeb71)\
**Replies:** 25\
**Last updated:** [19 October 2020 00:05 UTC](https://discourse.nodered.org/t/ui-builder-change-background-color-depending-on-the-displayed-value/33778 "2020-10-19T00:05:00Z")

</div>

Hello, how can I dynamically change the background color of the current value? The value gValue.toFixed (0) is displayed. But I want the background to turn red as soon as the value goes into the minus range. Can someo…

---

## [Scaling Brightness Settings](https://discourse.nodered.org/t/scaling-brightness-settings/34474)

<div class="topic-metadata">

**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 0\
**Last updated:** [18 October 2020 22:09 UTC](https://discourse.nodered.org/t/scaling-brightness-settings/34474 "2020-10-18T22:09:32Z")

</div>

In retrospect, I think this should have been mathematically obvious, but I wanted to give a heads up about brightness scaling. I have bulbs in one are that have 2 separate controllers. Some are controlled via hubitat t…

---

## [How to disable/enable specific options on change](https://discourse.nodered.org/t/how-to-disable-enable-specific-options-on-change/34466)

<div class="topic-metadata">

**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 5\
**Last updated:** [18 October 2020 22:08 UTC](https://discourse.nodered.org/t/how-to-disable-enable-specific-options-on-change/34466 "2020-10-18T22:08:01Z")

</div>

I have figured out how to disable/enable all select list options on change with: for (var x = 0; x \< $("#node-input-event")\[0\].childElementCount; x++) { $('#node-input-event')\[0\]\[x\].disabled = true; } …

---

## [Customizing Widget size for groups in dashboard](https://discourse.nodered.org/t/customizing-widget-size-for-groups-in-dashboard/34459)

<div class="topic-metadata">

**Author:** [@lowchen](https://discourse.nodered.org/u/lowchen)\
**Replies:** 2\
**Last updated:** [18 October 2020 17:03 UTC](https://discourse.nodered.org/t/customizing-widget-size-for-groups-in-dashboard/34459 "2020-10-18T17:03:27Z")

</div>

Hi there, been googling around the forum and still not able to find a solution so I'll make a new post here : I have 2 groups in my dashboard. Is it possible to change the widget size only for 1 group ? To be more clea…

---

## [Implementing visual variable selector](https://discourse.nodered.org/t/implementing-visual-variable-selector/34436)

<div class="topic-metadata">

**Author:** [@birduser](https://discourse.nodered.org/u/birduser)\
**Replies:** 1\
**Last updated:** [18 October 2020 16:42 UTC](https://discourse.nodered.org/t/implementing-visual-variable-selector/34436 "2020-10-18T16:42:51Z")

</div>

Hey there, has there ever been a discussion about implementing a visual variable selector like n8n have? Additionally, it would be easy to display what kind of data went throught the nodes: After my opinion in big…

---

## [Artikel Datenbank Mail](https://discourse.nodered.org/t/artikel-datenbank-mail/34462)

<div class="topic-metadata">

**Author:** [@sakasitadi](https://discourse.nodered.org/u/sakasitadi)\
**Replies:** 0\
**Last updated:** [18 October 2020 16:14 UTC](https://discourse.nodered.org/t/artikel-datenbank-mail/34462 "2020-10-18T16:14:07Z")

</div>

Hallo, kann mir vielleicht jemand helden? Ich möchte mit dem Form-Node eine Menge und einen Artikel in die Datenbank schreiben. das funktioniert auch.. Mit dem Button soll die Datenbank augelesen und der Inhalt (Ar…

---

## [Timer issue how to stop it when it gets to zero](https://discourse.nodered.org/t/timer-issue-how-to-stop-it-when-it-gets-to-zero/34430)

<div class="topic-metadata">

**Author:** [@holmesjohnnyh](https://discourse.nodered.org/u/holmesjohnnyh)\
**Replies:** 2\
**Last updated:** [18 October 2020 13:37 UTC](https://discourse.nodered.org/t/timer-issue-how-to-stop-it-when-it-gets-to-zero/34430 "2020-10-18T13:37:07Z")

</div>

i have used this flow to create a timer for my aquarium controller which tells me how long the feed mode has left to run but the issue i have is i want it to stop when it gets to zero. just started with node red and new …

---

## [Node-red 1.2.0 won't start](https://discourse.nodered.org/t/node-red-1-2-0-wont-start/34304)

<div class="topic-metadata">

**Author:** [@Supergiovane](https://discourse.nodered.org/u/Supergiovane)\
**Replies:** 9\
**Last updated:** [18 October 2020 12:36 UTC](https://discourse.nodered.org/t/node-red-1-2-0-wont-start/34304 "2020-10-18T12:36:33Z")

</div>

Hi. First of all, thank you for this great update on node-red. After installing node-red 1.2.0, node-red won't start, giving me this error: internal/modules/cjs/loader.js:548 throw e; ^ Error: Package exports for '…

---

## [Just me? Or is the timeout property missing?](https://discourse.nodered.org/t/just-me-or-is-the-timeout-property-missing/34330)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [18 October 2020 12:34 UTC](https://discourse.nodered.org/t/just-me-or-is-the-timeout-property-missing/34330 "2020-10-18T12:34:59Z")

</div>

I don't see a timeout property? And when I set the msg.timeout to 30 seconds, it did not work on the first window, but only the second window? I am trying to do two things... I don't want the first node notificati…

---

## [COVID-19 "Healthy-Indoors-Project"](https://discourse.nodered.org/t/covid-19-healthy-indoors-project/32942)

<div class="topic-metadata">

**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 16\
**Last updated:** [18 October 2020 10:34 UTC](https://discourse.nodered.org/t/covid-19-healthy-indoors-project/32942 "2020-10-18T10:34:06Z")

</div>

Dear all, I like to share my recent project monitoring Air Quality in rooms with multiple sensors using ad-hoc networks. Air quality (measured by CO2 or VOC levels) can be an indicator of possible virus concentrati…

---

## [Doing Calculations on Modbus data](https://discourse.nodered.org/t/doing-calculations-on-modbus-data/34414)

<div class="topic-metadata">

**Author:** [@RollsFPV](https://discourse.nodered.org/u/RollsFPV)\
**Replies:** 15\
**Last updated:** [18 October 2020 10:13 UTC](https://discourse.nodered.org/t/doing-calculations-on-modbus-data/34414 "2020-10-18T10:13:26Z")

</div>

I need to get data from modbus server and perform calculation on this data, been searching all day and still no closer to an answer, so im asking if anyone can help. I have to get 3 items from solar charger controllers …

---

## [Pioneer600 joy-it explorer700](https://discourse.nodered.org/t/pioneer600-joy-it-explorer700/34443)

<div class="topic-metadata">

**Author:** [@ToneGriff](https://discourse.nodered.org/u/ToneGriff)\
**Replies:** 0\
**Last updated:** [18 October 2020 10:04 UTC](https://discourse.nodered.org/t/pioneer600-joy-it-explorer700/34443 "2020-10-18T10:04:33Z")

</div>

Hi all, Anyone had any experience with the Pioneer600 or Joy-it Explorer700 HAT for the Raspi? I would like to use this with Node-red.

[Previous page](https://discourse.nodered.org/latest.md?page=974)

[Next page](https://discourse.nodered.org/latest.md?page=976)