# Latest

**URL:** https://discourse.nodered.org/latest.md?page=741

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

**Page:** 742

---

## [Does the Dashboard button support sending a buffer as Hex?](https://discourse.nodered.org/t/does-the-dashboard-button-support-sending-a-buffer-as-hex/50526)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 4\
**Last updated:** [2 September 2021 09:31 UTC](https://discourse.nodered.org/t/does-the-dashboard-button-support-sending-a-buffer-as-hex/50526 "2021-09-02T09:31:01Z")

</div>

Guys, Steadily progressing with my home battry automation project. As an intermediate step to fully automatic operation i am building a manual control dashboard I have a function node that i have been using an inject …

---

## [Monaco Editor "System-wide" code-completition (enums)](https://discourse.nodered.org/t/monaco-editor-system-wide-code-completition-enums/50529)

<div class="topic-metadata">

**Author:** [@thomaspz](https://discourse.nodered.org/u/thomaspz)\
**Replies:** 0\
**Last updated:** [2 September 2021 07:31 UTC](https://discourse.nodered.org/t/monaco-editor-system-wide-code-completition-enums/50529 "2021-09-02T07:31:58Z")

</div>

Creating the interface describe in this thread works fine: Related to this thread : Monaco Editor "System-wide" code-completition What would be the best approach to define global wide const or enums. I think the defini…

---

## [MQTT Topic split before output to MSSQL](https://discourse.nodered.org/t/mqtt-topic-split-before-output-to-mssql/50481)

<div class="topic-metadata">

**Author:** [@idlvpfk](https://discourse.nodered.org/u/idlvpfk)\
**Replies:** 18\
**Last updated:** [2 September 2021 07:10 UTC](https://discourse.nodered.org/t/mqtt-topic-split-before-output-to-mssql/50481 "2021-09-02T07:10:53Z")

</div>

Hi there! I hope im posting in right section! Im facing problem with MQTT raw data input. I need function that splits topic into multiple columns in MSSQL , but this split must happen before data input into database. …

---

## [Modbus tripping the relay](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527)

<div class="topic-metadata">

**Author:** [@dineshpal](https://discourse.nodered.org/u/dineshpal)\
**Replies:** 0\
**Last updated:** [2 September 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527 "2021-09-02T07:10:03Z")

</div>

Hi, I am connecting via modbus and converting to 32bit I would like connect to relay 1 and 2 Relay 1 at pin 18 and relay 2 pin16 I would trip the relay 1 when value is at 4 and when is at 7 relay 2 trip Need help …

---

## [Nodered site is blocked india](https://discourse.nodered.org/t/nodered-site-is-blocked-india/49645)

<div class="topic-metadata">

**Author:** [@Premkumarrtech](https://discourse.nodered.org/u/Premkumarrtech)\
**Replies:** 35\
**Last updated:** [2 September 2021 06:48 UTC](https://discourse.nodered.org/t/nodered-site-is-blocked-india/49645 "2021-09-02T06:48:31Z")

</div>

Do we have any other workaround to access the node-red domain in india

---

## [Node red too slow on raspberry pi 3b+ after network interface up](https://discourse.nodered.org/t/node-red-too-slow-on-raspberry-pi-3b-after-network-interface-up/18199)

<div class="topic-metadata">

**Author:** [@muharremsari](https://discourse.nodered.org/u/muharremsari)\
**Replies:** 14\
**Last updated:** [2 September 2021 03:29 UTC](https://discourse.nodered.org/t/node-red-too-slow-on-raspberry-pi-3b-after-network-interface-up/18199 "2021-09-02T03:29:37Z")

</div>

I was try project on Raspberry pi 3b+ with dhcp and utp unpluged. It was ok. When eth0 set static ip on pi 3b+ node-red & gui (media,clock etc...) goes slow down. I was turn off nic with ifconfig eth0 down command system…

---

## [Load externalModules from node-red dir](https://discourse.nodered.org/t/load-externalmodules-from-node-red-dir/50522)

<div class="topic-metadata">

**Author:** [@PavanelloLeonardo](https://discourse.nodered.org/u/PavanelloLeonardo)\
**Replies:** 0\
**Last updated:** [2 September 2021 02:27 UTC](https://discourse.nodered.org/t/load-externalmodules-from-node-red-dir/50522 "2021-09-02T02:27:34Z")

</div>

I'm building a custom docker image (version 2.0.5) with some dependencies installed, to be used in different projects, I'm installing these dependencies in node-red working directory "/usr/src/node-red", I looked at the …

---

## [Serial Input to Function](https://discourse.nodered.org/t/serial-input-to-function/50474)

<div class="topic-metadata">

**Author:** [@lowelljt26](https://discourse.nodered.org/u/lowelljt26)\
**Replies:** 2\
**Last updated:** [2 September 2021 01:00 UTC](https://discourse.nodered.org/t/serial-input-to-function/50474 "2021-09-02T01:00:22Z")

</div>

Hey Everyone, I have a flow which reads serial input from a balance to a RaspberryPi. The serial flow then parses the information every second into an integer and delivers the weight as msg.payload to a function node in…

---

## [Access Node Red from two subnets](https://discourse.nodered.org/t/access-node-red-from-two-subnets/50018)

<div class="topic-metadata">

**Author:** [@jwtaylor](https://discourse.nodered.org/u/jwtaylor)\
**Replies:** 37\
**Last updated:** [1 September 2021 22:19 UTC](https://discourse.nodered.org/t/access-node-red-from-two-subnets/50018 "2021-09-01T22:19:08Z")

</div>

I have two subnets, 192.168.100.x and 192.168.200.x behind a commercial firewall. Node Red is running on the first subnet on a Pi with static IP 192.168.100.100. I can connect to Node Red without any problems from any …

---

## [Enter the email recipient in the dashboard](https://discourse.nodered.org/t/enter-the-email-recipient-in-the-dashboard/50514)

<div class="topic-metadata">

**Author:** [@volker1078](https://discourse.nodered.org/u/volker1078)\
**Replies:** 1\
**Last updated:** [1 September 2021 19:59 UTC](https://discourse.nodered.org/t/enter-the-email-recipient-in-the-dashboard/50514 "2021-09-01T19:59:33Z")

</div>

Hello, is there a way to use the dashboard to enter an email address as a recipient for the email node? I imagine several fields where an email address is entered in each case. Behind it comes a switch with which you can…

---

## [Node-red Nextion display read serial](https://discourse.nodered.org/t/node-red-nextion-display-read-serial/19473)

<div class="topic-metadata">

**Author:** [@johnied21](https://discourse.nodered.org/u/johnied21)\
**Replies:** 4\
**Last updated:** [1 September 2021 19:56 UTC](https://discourse.nodered.org/t/node-red-nextion-display-read-serial/19473 "2021-09-01T19:56:40Z")

</div>

Hello, I have connected my Raspberry Pi 4 with a Nextion display, which is modified to have a text box and a button. I have successfully sent a message for the textbox to display(UNICODE is the only problem with that, …

---

## [Sorting array values](https://discourse.nodered.org/t/sorting-array-values/48532)

<div class="topic-metadata">

**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 22\
**Last updated:** [1 September 2021 19:47 UTC](https://discourse.nodered.org/t/sorting-array-values/48532 "2021-09-01T19:47:51Z")

</div>

what function or node can I use to sort the values in an array. I have the folowing output: I have tried the sort node but I need to keep the id before the value eg: high\_1:10 (high\_1 needs to be kept so I can identif…

---

## [Cast to google nest more than 200 char](https://discourse.nodered.org/t/cast-to-google-nest-more-than-200-char/50467)

<div class="topic-metadata">

**Author:** [@GIGS1975](https://discourse.nodered.org/u/GIGS1975)\
**Replies:** 4\
**Last updated:** [1 September 2021 18:27 UTC](https://discourse.nodered.org/t/cast-to-google-nest-more-than-200-char/50467 "2021-09-01T18:27:12Z")

</div>

Hello there, i would rellally appreciate any help. Is there any chance to send to google tts more than 200 char with node-red-cast plugin? Or in any other way? Thanks in advance

---

## [Help with some conditionals](https://discourse.nodered.org/t/help-with-some-conditionals/50460)

<div class="topic-metadata">

**Author:** [@muddro1](https://discourse.nodered.org/u/muddro1)\
**Replies:** 5\
**Last updated:** [1 September 2021 16:08 UTC](https://discourse.nodered.org/t/help-with-some-conditionals/50460 "2021-09-01T16:08:12Z")

</div>

I am trying to set up a flow that sets an input\_select in home assistant in the most efficient manner. Basically, any time someone's status changes I want it to evaluate the group status. I cannot use the group function …

---

## [Node-red-opcua-client: Local own certificate is not used](https://discourse.nodered.org/t/node-red-opcua-client-local-own-certificate-is-not-used/50490)

<div class="topic-metadata">

**Author:** [@Friede10](https://discourse.nodered.org/u/Friede10)\
**Replies:** 0\
**Last updated:** [1 September 2021 09:13 UTC](https://discourse.nodered.org/t/node-red-opcua-client-local-own-certificate-is-not-used/50490 "2021-09-01T09:13:34Z")

</div>

Hello, i am trying to connect a raspberry pi 3b with a siemens s7-1500 using the opcua server-client-connection. I got node-red v2.0.5 and node-red-contrib-opcua v0.2.236 installed. Trying to connect to the PLC, I get t…

---

## [Module needed for wago 750-841](https://discourse.nodered.org/t/module-needed-for-wago-750-841/50478)

<div class="topic-metadata">

**Author:** [@Aryavani](https://discourse.nodered.org/u/Aryavani)\
**Replies:** 0\
**Last updated:** [1 September 2021 05:07 UTC](https://discourse.nodered.org/t/module-needed-for-wago-750-841/50478 "2021-09-01T05:07:36Z")

</div>

Hi, I am.using wago 750-841 module connected to gateway through USB ....can i know which module i can use to get datas from plc . There are some modules but it is not asking any ip address configuration .

---

## [Node-red and Knative](https://discourse.nodered.org/t/node-red-and-knative/50484)

<div class="topic-metadata">

**Author:** [@rorokoko](https://discourse.nodered.org/u/rorokoko)\
**Replies:** 2\
**Last updated:** [1 September 2021 14:55 UTC](https://discourse.nodered.org/t/node-red-and-knative/50484 "2021-09-01T14:55:27Z")

</div>

Hi, I was going through this article today -- Node-RED Hits 1.0, Looks to a Serverless, Microservices Future – The New Stack -- and read that there are some ideas around integrating Node-red with Knative. While this sou…

---

## [Contrib-ui-time-scheduler](https://discourse.nodered.org/t/contrib-ui-time-scheduler/50450)

<div class="topic-metadata">

**Author:** [@bbartling](https://discourse.nodered.org/u/bbartling)\
**Replies:** 11\
**Last updated:** [1 September 2021 14:34 UTC](https://discourse.nodered.org/t/contrib-ui-time-scheduler/50450 "2021-09-01T14:34:21Z")

</div>

On this ui-time-scheduler How does one get to the dashboard shown in the link? I have the example flows imported but I dont know how to recreate

---

## [How to extract a property from an object containing "/"](https://discourse.nodered.org/t/how-to-extract-a-property-from-an-object-containing/50498)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 3\
**Last updated:** [1 September 2021 13:09 UTC](https://discourse.nodered.org/t/how-to-extract-a-property-from-an-object-containing/50498 "2021-09-01T13:09:29Z")

</div>

Hi mates, I would use a node that works good, but unfortunately the author decided to output an object which I can't easly address in NR, this is the picture: I can't type in a function: var ADC0 = msg.payload./dev/i…

---

## [Issue with external module](https://discourse.nodered.org/t/issue-with-external-module/50500)

<div class="topic-metadata">

**Author:** [@Tonna100](https://discourse.nodered.org/u/Tonna100)\
**Replies:** 12\
**Last updated:** [1 September 2021 12:58 UTC](https://discourse.nodered.org/t/issue-with-external-module/50500 "2021-09-01T12:58:57Z")

</div>

Hi averyone. Need help. I got the issue in Node-red require() of ES modules is not supported. require() of /home/ubuntu/scalar-crm-integration/externalModules/node\_modules/node-fetch/src/index.js from /usr/lib/node\_modu…

---

## [S7-node/DataBase](https://discourse.nodered.org/t/s7-node-database/50494)

<div class="topic-metadata">

**Author:** [@grandautism](https://discourse.nodered.org/u/grandautism)\
**Replies:** 2\
**Last updated:** [1 September 2021 12:31 UTC](https://discourse.nodered.org/t/s7-node-database/50494 "2021-09-01T12:31:58Z")

</div>

Hello, I have a question, I read data of the sensors from API by S7 node, and I send this data to a database that I created. What I want to do is that if I add a sensor, I want it to be added without modifying my node o…

---

## [I don't want to use credentialSecret and I don't need encryption](https://discourse.nodered.org/t/i-dont-want-to-use-credentialsecret-and-i-dont-need-encryption/50399)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 4\
**Last updated:** [1 September 2021 11:59 UTC](https://discourse.nodered.org/t/i-dont-want-to-use-credentialsecret-and-i-dont-need-encryption/50399 "2021-09-01T11:59:25Z")

</div>

Hi mates, when I start NR it shows me: Your flow credentials file is encrypted using a system-generated key. If the system-generated key is lost for any reason, your credentials file will not be recoverable, you will ha…

---

## [How to insert data with this string value and how to split it, i new for using node-red](https://discourse.nodered.org/t/how-to-insert-data-with-this-string-value-and-how-to-split-it-i-new-for-using-node-red/50248)

<div class="topic-metadata">

**Author:** [@erdowaka](https://discourse.nodered.org/u/erdowaka)\
**Replies:** 7\
**Last updated:** [1 September 2021 10:43 UTC](https://discourse.nodered.org/t/how-to-insert-data-with-this-string-value-and-how-to-split-it-i-new-for-using-node-red/50248 "2021-09-01T10:43:50Z")

</div>

help me for this problem

---

## [Smart nora and rooted toon thermostat](https://discourse.nodered.org/t/smart-nora-and-rooted-toon-thermostat/50487)

<div class="topic-metadata">

**Author:** [@djMvT](https://discourse.nodered.org/u/djMvT)\
**Replies:** 0\
**Last updated:** [1 September 2021 08:17 UTC](https://discourse.nodered.org/t/smart-nora-and-rooted-toon-thermostat/50487 "2021-09-01T08:17:35Z")

</div>

Looking for a way to get my rooted toon thermostat working with smart Nora and thus enabling voice control through some flows. I know how to connect to the API of the rooted toon but I don't know how to parse the data s…

---

## [I don't arrive to send an email with node email](https://discourse.nodered.org/t/i-dont-arrive-to-send-an-email-with-node-email/49947)

<div class="topic-metadata">

**Author:** [@nke9](https://discourse.nodered.org/u/nke9)\
**Replies:** 38\
**Last updated:** [1 September 2021 08:27 UTC](https://discourse.nodered.org/t/i-dont-arrive-to-send-an-email-with-node-email/49947 "2021-09-01T08:27:21Z")

</div>

The email send failed. And I got this error message : "Error: Connect ECONNREFUSED ipaddres:465" Someone have some suggestions ?

---

## [Node-red-contrib-openhab3 MODULE\_NOT\_FOUND](https://discourse.nodered.org/t/node-red-contrib-openhab3-module-not-found/50458)

<div class="topic-metadata">

**Author:** [@Sturgeon](https://discourse.nodered.org/u/Sturgeon)\
**Replies:** 9\
**Last updated:** [1 September 2021 08:24 UTC](https://discourse.nodered.org/t/node-red-contrib-openhab3-module-not-found/50458 "2021-09-01T08:24:42Z")

</div>

Hi! I update my OpenHAB to 3.0 version and want to connect it to Node-RED. I nstall node-red-contrib-openhab3 but i have error on palette manager like picture. I cant uninstall node, I cant reinstall node. In NodeRed…

---

## [Special hysteresis](https://discourse.nodered.org/t/special-hysteresis/50448)

<div class="topic-metadata">

**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 9\
**Last updated:** [1 September 2021 08:17 UTC](https://discourse.nodered.org/t/special-hysteresis/50448 "2021-09-01T08:17:32Z")

</div>

I need help with the following problem. I am using a hysteresis node to determine the switching of an output by using an incoming variable. Furthermore I am using a variable to determine the high band and the low band li…

---

## [Node Red Error : Received msg before firebase.once() node was ready. Not processing:](https://discourse.nodered.org/t/node-red-error-received-msg-before-firebase-once-node-was-ready-not-processing/50483)

<div class="topic-metadata">

**Author:** [@kavimuthuraja.s](https://discourse.nodered.org/u/kavimuthuraja.s)\
**Replies:** 0\
**Last updated:** [1 September 2021 07:33 UTC](https://discourse.nodered.org/t/node-red-error-received-msg-before-firebase-once-node-was-ready-not-processing/50483 "2021-09-01T07:33:39Z")

</div>

Hi, I have a firebase real-time database and node red service which is running perfectly but suddenly it stopped working and showing error like "Received msg before firebase.once() node was ready. Not processing:". At …

---

## [Help with BlueTooth protocol](https://discourse.nodered.org/t/help-with-bluetooth-protocol/50475)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [1 September 2021 06:59 UTC](https://discourse.nodered.org/t/help-with-bluetooth-protocol/50475 "2021-09-01T06:59:36Z")

</div>

Sorry folks I know it is kind of Off topic to Node-Red, but I have to start somewhere. Connecting devices is usually done via WiFi or Ethernet. Can Bluetooth work? I want to send messages (MQTT at a push) and am not s…

---

## [Import / Export flows or nodes to multiple NODE-RED devices](https://discourse.nodered.org/t/import-export-flows-or-nodes-to-multiple-node-red-devices/50433)

<div class="topic-metadata">

**Author:** [@JeanPaul99](https://discourse.nodered.org/u/JeanPaul99)\
**Replies:** 1\
**Last updated:** [1 September 2021 06:42 UTC](https://discourse.nodered.org/t/import-export-flows-or-nodes-to-multiple-node-red-devices/50433 "2021-09-01T06:42:20Z")

</div>

Hello, I am relatively new to NODE-RED. I have modified a node in my flow and I would like to export that change to many more devices that have the same program. There are a lot of IOT devices... about 30... To export…

[Previous page](https://discourse.nodered.org/latest.md?page=740)

[Next page](https://discourse.nodered.org/latest.md?page=742)