# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1184

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

**Page:** 1185

---

## [Split string with substring() or slice in node-red on hassio](https://discourse.nodered.org/t/split-string-with-substring-or-slice-in-node-red-on-hassio/19426)

<div class="topic-metadata">

**Author:** [@Yortz](https://discourse.nodered.org/u/Yortz)\
**Replies:** 2\
**Last updated:** [21 December 2019 18:53 UTC](https://discourse.nodered.org/t/split-string-with-substring-or-slice-in-node-red-on-hassio/19426 "2019-12-21T18:53:45Z")

</div>

Hi, I have a question. I can’t split or slice string in node-red that on hassio but I tried on node-red run locally on my computer it’s work How to split string in node-red running on hassio? Thanks:)

---

## [List of messages](https://discourse.nodered.org/t/list-of-messages/19369)

<div class="topic-metadata">

**Author:** [@New2Node](https://discourse.nodered.org/u/New2Node)\
**Replies:** 8\
**Last updated:** [21 December 2019 18:31 UTC](https://discourse.nodered.org/t/list-of-messages/19369 "2019-12-21T18:31:36Z")

</div>

What’s the most efficient way of sending a list of messages to a serial node as per a schedule (Every 24 hours)? I have 100 messages or “Commands” I need to send to a device with a 1s delay between messages. I then rea…

---

## [TCP connection pool: better separation](https://discourse.nodered.org/t/tcp-connection-pool-better-separation/19432)

<div class="topic-metadata">

**Author:** [@dvv](https://discourse.nodered.org/u/dvv)\
**Replies:** 0\
**Last updated:** [21 December 2019 17:54 UTC](https://discourse.nodered.org/t/tcp-connection-pool-better-separation/19432 "2019-12-21T17:54:55Z")

</div>

Hello list! Today I learnt that if one feed TCP reply node with message without \_session it will go to all client connections across the whole project, not limited with current flow. This fact is indeed written in the …

---

## [🎁 \[Announce\] node-red-contrib-ui-state-trail](https://discourse.nodered.org/t/announce-node-red-contrib-ui-state-trail/19425)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 0\
**Last updated:** [21 December 2019 15:29 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-ui-state-trail/19425 "2019-12-21T15:29:52Z")

</div>

Let the christmas begin! :tada: :tada: :tada: :tada: :tada: :tada: :tada: :tada: I have a little gift for community :gift: :upside\_down\_face:

---

## [Error on initializeModbusTCPConnection at Startup](https://discourse.nodered.org/t/error-on-initializemodbustcpconnection-at-startup/19418)

<div class="topic-metadata">

**Author:** [@BoLaursen](https://discourse.nodered.org/u/BoLaursen)\
**Replies:** 3\
**Last updated:** [21 December 2019 14:49 UTC](https://discourse.nodered.org/t/error-on-initializemodbustcpconnection-at-startup/19418 "2019-12-21T14:49:55Z")

</div>

Hey Forum. When i start up node red i get this message in the CMD. and i cant get acces to the node-red editor. 21 Dec 11:16:18 - \[info\] Starting flows 21 Dec 11:16:18 - \[error\] \[modbustcp-read:8bd8adae.9507\] TypeErro…

---

## ["Disable node" vs uninistalling it](https://discourse.nodered.org/t/disable-node-vs-uninistalling-it/19413)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [21 December 2019 11:32 UTC](https://discourse.nodered.org/t/disable-node-vs-uninistalling-it/19413 "2019-12-21T11:32:01Z")

</div>

Just asking: If I am suspicious of a node, what is the difference between disabling it and uninstalling it?

---

## [Getting some glitches in the editor](https://discourse.nodered.org/t/getting-some-glitches-in-the-editor/19402)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [20 December 2019 21:52 UTC](https://discourse.nodered.org/t/getting-some-glitches-in-the-editor/19402 "2019-12-20T21:52:11Z")

</div>

I've noticed a few times over past few days (Probably about 5 times now) that I'm getting the "grayed out" effect (that you get when editing a node for instance) but not when editing The only way of clearing seems to be…

---

## [New Cheerlights derived feeds](https://discourse.nodered.org/t/new-cheerlights-derived-feeds/19408)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 0\
**Last updated:** [20 December 2019 20:51 UTC](https://discourse.nodered.org/t/new-cheerlights-derived-feeds/19408 "2019-12-20T20:51:58Z")

</div>

Using Node-RED on my Oracle Cloud Instance to expand upon the cheerlights mqtt.cheerlights.com feed

---

## [Worldmap history](https://discourse.nodered.org/t/worldmap-history/19390)

<div class="topic-metadata">

**Author:** [@bigmac5753](https://discourse.nodered.org/u/bigmac5753)\
**Replies:** 5\
**Last updated:** [20 December 2019 20:24 UTC](https://discourse.nodered.org/t/worldmap-history/19390 "2019-12-20T20:24:53Z")

</div>

Hi, I've got worldmap running but I would like it to store history, is a database the only way to do this? If so, does anyone have any examples for me to work with as I know virtually nothing about databases. Thanks

---

## [Tasmotta MQTT to InfluxDB](https://discourse.nodered.org/t/tasmotta-mqtt-to-influxdb/19381)

<div class="topic-metadata">

**Author:** [@loyaltolex](https://discourse.nodered.org/u/loyaltolex)\
**Replies:** 2\
**Last updated:** [20 December 2019 19:40 UTC](https://discourse.nodered.org/t/tasmotta-mqtt-to-influxdb/19381 "2019-12-20T19:40:27Z")

</div>

Hi, I am trying to take my MQTT string sent to me by Tasmota (TH16) and send it to InfluxDB The string is {"Time":"2019-12-20T20:52:22","AM2301":{"Temperature":18.4,"Humidity":67.7},"TempUnit":"C"} and I believe that …

---

## [Http response, json without backslashes](https://discourse.nodered.org/t/http-response-json-without-backslashes/19376)

<div class="topic-metadata">

**Author:** [@timnis](https://discourse.nodered.org/u/timnis)\
**Replies:** 12\
**Last updated:** [20 December 2019 18:26 UTC](https://discourse.nodered.org/t/http-response-json-without-backslashes/19376 "2019-12-20T18:26:14Z")

</div>

Hi, I try to make simple API for mssql database and I get it working. MSSQL return JSON directly nicely with "FOR JSON PATH" But response is escaped with backslashes, how I can removed those backslashes? "{\\"ProductC…

---

## [Uninstall and install node-red](https://discourse.nodered.org/t/uninstall-and-install-node-red/19357)

<div class="topic-metadata">

**Author:** [@NooBAsTiK](https://discourse.nodered.org/u/NooBAsTiK)\
**Replies:** 5\
**Last updated:** [20 December 2019 18:03 UTC](https://discourse.nodered.org/t/uninstall-and-install-node-red/19357 "2019-12-20T18:03:51Z")

</div>

Hello everyone. I am a beginner and faced difficulties. I installed node-red through the: sudo npm install -g --unsafe-perm node-red Next I added an administrator account according to the instructions https://noder…

---

## [Http request node sends bearer when auth is off](https://discourse.nodered.org/t/http-request-node-sends-bearer-when-auth-is-off/19401)

<div class="topic-metadata">

**Author:** [@RobP](https://discourse.nodered.org/u/RobP)\
**Replies:** 5\
**Last updated:** [20 December 2019 17:12 UTC](https://discourse.nodered.org/t/http-request-node-sends-bearer-when-auth-is-off/19401 "2019-12-20T17:12:33Z")

</div>

I have several http request nodes, without the authentication checked, and I'm setting msg.headers with a JWT token in the previous node, and the node instead sends a header of BASIC xxxxxxxxxx. I can't seem to figure ou…

---

## [Access dashboard tabs through name](https://discourse.nodered.org/t/access-dashboard-tabs-through-name/17216)

<div class="topic-metadata">

**Author:** [@Nxito](https://discourse.nodered.org/u/Nxito)\
**Replies:** 5\
**Last updated:** [20 December 2019 15:59 UTC](https://discourse.nodered.org/t/access-dashboard-tabs-through-name/17216 "2019-12-20T15:59:13Z")

</div>

I am trying to access my dashboard tabs through your name instead of the default id given to you. This way you would not have to search or reposition the dashboard every time you make changes EXAMPLE: With a link via …

---

## [Configuring a dashboard tab in response to a URL](https://discourse.nodered.org/t/configuring-a-dashboard-tab-in-response-to-a-url/19106)

<div class="topic-metadata">

**Author:** [@sfewings](https://discourse.nodered.org/u/sfewings)\
**Replies:** 6\
**Last updated:** [20 December 2019 15:16 UTC](https://discourse.nodered.org/t/configuring-a-dashboard-tab-in-response-to-a-url/19106 "2019-12-20T15:16:45Z")

</div>

Hi, I've spent some time looking and can't find a solution to this problem. I send an email each day with a summary of multiple house sensors. On a node-red dashboard tab I have a chart that can display all daily temper…

---

## [Modbus Communication Reconnecting](https://discourse.nodered.org/t/modbus-communication-reconnecting/18701)

<div class="topic-metadata">

**Author:** [@fmqs](https://discourse.nodered.org/u/fmqs)\
**Replies:** 2\
**Last updated:** [20 December 2019 14:22 UTC](https://discourse.nodered.org/t/modbus-communication-reconnecting/18701 "2019-12-20T14:22:57Z")

</div>

Hello, I'm trying to establish a communication between Node-Red and a SMA Sunny Tripower Inverter using Modbus TCP/IP. I'm using the node-red-contrib-modbus to establish Modbus communication. I think I was able to confi…

---

## [Node-RED and Apache Thrift](https://discourse.nodered.org/t/node-red-and-apache-thrift/19350)

<div class="topic-metadata">

**Author:** [@fjahangiri](https://discourse.nodered.org/u/fjahangiri)\
**Replies:** 1\
**Last updated:** [20 December 2019 12:52 UTC](https://discourse.nodered.org/t/node-red-and-apache-thrift/19350 "2019-12-20T12:52:24Z")

</div>

I want to use Node-RED for implementing a client that use thrift to communicate with a .Net Server. I have .Net Client code that uses thrift too. can I add this client code as a node in Node-RED? I mean what is the best …

---

## [Dynamic Image in Toolbar / Header Bar](https://discourse.nodered.org/t/dynamic-image-in-toolbar-header-bar/19385)

<div class="topic-metadata">

**Author:** [@droberts](https://discourse.nodered.org/u/droberts)\
**Replies:** 0\
**Last updated:** [20 December 2019 11:47 UTC](https://discourse.nodered.org/t/dynamic-image-in-toolbar-header-bar/19385 "2019-12-20T11:47:18Z")

</div>

I've recently built a bit of flow which seems to have been asked for a few times, but a full solution doesn't seem to have been posted anyway. To use it, you need to set the httpStatic path in settings.js in your .node-…

---

## [Feature request: Predicted or Intermediate state of uIElements](https://discourse.nodered.org/t/feature-request-predicted-or-intermediate-state-of-uielements/16047)

<div class="topic-metadata">

**Author:** [@Christian-Me](https://discourse.nodered.org/u/Christian-Me)\
**Replies:** 15\
**Last updated:** [20 December 2019 09:50 UTC](https://discourse.nodered.org/t/feature-request-predicted-or-intermediate-state-of-uielements/16047 "2019-12-20T09:50:22Z")

</div>

Hello, I currently work on a custom note implementing the homie convention. The main procedure setting parameters to a remote devices over mqtt is to send a value to the .../parameter/set topic. The device then confirms…

---

## [Connect function to node without direct wire](https://discourse.nodered.org/t/connect-function-to-node-without-direct-wire/19377)

<div class="topic-metadata">

**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 1\
**Last updated:** [20 December 2019 09:49 UTC](https://discourse.nodered.org/t/connect-function-to-node-without-direct-wire/19377 "2019-12-20T09:49:32Z")

</div>

I am writing some code using require and functionGlobalContext. This includes a self-invoking functions for checking if a database exists or must be created. Normally I access the DB via a MySQL node, however I now do n…

---

## [RPI CPU load gone to 100% after update](https://discourse.nodered.org/t/rpi-cpu-load-gone-to-100-after-update/19375)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [20 December 2019 09:05 UTC](https://discourse.nodered.org/t/rpi-cpu-load-gone-to-100-after-update/19375 "2019-12-20T09:05:44Z")

</div>

Yes, I know we've been here before, but I am stupid and the problem has again happened. I have a RPI: Raspberry Pi Model B Rev 2 PRETTY\_NAME="Raspbian GNU/Linux 9 (stretch)" NAME="Raspbian GNU/Linux" VERSION\_ID="9" VE…

---

## [Take screenshots of web pages](https://discourse.nodered.org/t/take-screenshots-of-web-pages/18873)

<div class="topic-metadata">

**Author:** [@alexalburca](https://discourse.nodered.org/u/alexalburca)\
**Replies:** 13\
**Last updated:** [20 December 2019 06:41 UTC](https://discourse.nodered.org/t/take-screenshots-of-web-pages/18873 "2019-12-20T06:41:58Z")

</div>

Hi I am trying to create a stream that goes to a web page and pulls out screenshots and then sends the image by chatbot via telegram. About sending the telegram I managed to send, but the part of taking the screenshot …

---

## [Context set/get syntax question](https://discourse.nodered.org/t/context-set-get-syntax-question/19368)

<div class="topic-metadata">

**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 4\
**Last updated:** [20 December 2019 00:49 UTC](https://discourse.nodered.org/t/context-set-get-syntax-question/19368 "2019-12-20T00:49:27Z")

</div>

In function nodes I often use patterns like let startup = true; context.set('startup',startup); or context.set('startup',true); let startup = context.get('startup'); As far as I can tell, these can be replaced by the…

---

## [Adding new nodes to the node-red-contrib-mdashboard](https://discourse.nodered.org/t/adding-new-nodes-to-the-node-red-contrib-mdashboard/19366)

<div class="topic-metadata">

**Author:** [@krzydec](https://discourse.nodered.org/u/krzydec)\
**Replies:** 7\
**Last updated:** [19 December 2019 23:03 UTC](https://discourse.nodered.org/t/adding-new-nodes-to-the-node-red-contrib-mdashboard/19366 "2019-12-19T23:03:38Z")

</div>

Hello Is it possible to add a new nodes to the node-red-contrib-mdashboard? I'm especially interested with adding the node-red-contrib-ui-level.

---

## [Does Node-RED need internet connection](https://discourse.nodered.org/t/does-node-red-need-internet-connection/19352)

<div class="topic-metadata">

**Author:** [@Cormad](https://discourse.nodered.org/u/Cormad)\
**Replies:** 7\
**Last updated:** [19 December 2019 21:44 UTC](https://discourse.nodered.org/t/does-node-red-need-internet-connection/19352 "2019-12-19T21:44:06Z")

</div>

I have Node-RED running on a raspberry pi that is hardwired to my router. My PC is also hardwired. My internet recently went down and I could not get Node-RED to load (http://192.168.1.100:1880/) on my PC. Is this norma…

---

## [Switch node with HEX input](https://discourse.nodered.org/t/switch-node-with-hex-input/19361)

<div class="topic-metadata">

**Author:** [@zamzon](https://discourse.nodered.org/u/zamzon)\
**Replies:** 7\
**Last updated:** [19 December 2019 21:21 UTC](https://discourse.nodered.org/t/switch-node-with-hex-input/19361 "2019-12-19T21:21:36Z")

</div>

Hi I am new to NodeRED and I am trying to use the switcher node to filter a HEX code coming from a TCP in node I receive this HEX 0x1c,0x64,0xa,0x0,0x0,0x0,0xff,0x77 I'd like to split the code up in to 8 separate numb…

---

## [Dynamic conditions](https://discourse.nodered.org/t/dynamic-conditions/18816)

<div class="topic-metadata">

**Author:** [@fjahangiri](https://discourse.nodered.org/u/fjahangiri)\
**Replies:** 1\
**Last updated:** [5 December 2019 10:36 UTC](https://discourse.nodered.org/t/dynamic-conditions/18816 "2019-12-05T10:36:03Z")

</div>

I have a temperature sensor. I want to design a flow that turns on a conditioner based on temperature and time. the rules are like this. if time is between 10 p.m to 4 p.m and the temperature is less than 17 then turn o…

---

## [Send command to child process in execute node (spawn mode)](https://discourse.nodered.org/t/send-command-to-child-process-in-execute-node-spawn-mode/18838)

<div class="topic-metadata">

**Author:** [@zaher](https://discourse.nodered.org/u/zaher)\
**Replies:** 3\
**Last updated:** [19 December 2019 17:30 UTC](https://discourse.nodered.org/t/send-command-to-child-process-in-execute-node-spawn-mode/18838 "2019-12-19T17:30:39Z")

</div>

I am using the exec node while enabling the "Use spawn() instead of exec()?" option. I am running a command that starts a child process and waits for input (child process stays on until I send it an exit command or kill …

---

## [Node-red-contrib-smartmeter 0.2.2](https://discourse.nodered.org/t/node-red-contrib-smartmeter-0-2-2/17854)

<div class="topic-metadata">

**Author:** [@Ralf2](https://discourse.nodered.org/u/Ralf2)\
**Replies:** 5\
**Last updated:** [19 December 2019 16:44 UTC](https://discourse.nodered.org/t/node-red-contrib-smartmeter-0-2-2/17854 "2019-12-19T16:44:04Z")

</div>

Hello, i have a problem to install the smartmeter in Node-red on Windows10 her are the protocoll 2019-11-12T18:46:47.550Z installieren : node-red-contrib-smartmeter 0.2.2 2019-11-12T18:46:47.555Z npm.cmd install --no…

---

## [Integrate Azure AD sevices with node-red for SSO](https://discourse.nodered.org/t/integrate-azure-ad-sevices-with-node-red-for-sso/19333)

<div class="topic-metadata">

**Author:** [@shrey.garg](https://discourse.nodered.org/u/shrey.garg)\
**Replies:** 1\
**Last updated:** [19 December 2019 14:47 UTC](https://discourse.nodered.org/t/integrate-azure-ad-sevices-with-node-red-for-sso/19333 "2019-12-19T14:47:12Z")

</div>

Hi, I am trying to implement Single Sign On (SSO) to node-red via Azure AD. I want to secure node-red editor and dashboard using Azure Active Directory. I want to integrate node-red inside my website and let devlopers …

[Previous page](https://discourse.nodered.org/latest.md?page=1183)

[Next page](https://discourse.nodered.org/latest.md?page=1185)