# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1299

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

**Page:** 1300

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## [Custom icon color in dashboard switch widget](https://discourse.nodered.org/t/custom-icon-color-in-dashboard-switch-widget/9508)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 2\
**Last updated:** [27 March 2019 19:34 UTC](https://discourse.nodered.org/t/custom-icon-color-in-dashboard-switch-widget/9508 "2019-03-27T19:34:07Z")

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I am using the custom icon option in a dashboard switch node (ui\_switch), and would like to be able to set the On/Off Colour options in a way that will work well with more than one dashboard theme, in particular the Dark…

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## [HTTP request node - query string](https://discourse.nodered.org/t/http-request-node-query-string/9235)

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**Author:** [@Andrei](https://discourse.nodered.org/u/Andrei)\
**Replies:** 4\
**Last updated:** [27 March 2019 16:25 UTC](https://discourse.nodered.org/t/http-request-node-query-string/9235 "2019-03-27T16:25:24Z")

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The http request node was greatly improved in Node-REd version 0.20 with the addition of Bearer and Digest authentication modes. Additionally, a new option was added to allow building a query string from msg.payload. Thi…

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## [Node-red-contrib-dht-sensor does not show under Raspberry categoryPi](https://discourse.nodered.org/t/node-red-contrib-dht-sensor-does-not-show-under-raspberry-categorypi/9495)

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**Author:** [@pablok](https://discourse.nodered.org/u/pablok)\
**Replies:** 6\
**Last updated:** [27 March 2019 16:12 UTC](https://discourse.nodered.org/t/node-red-contrib-dht-sensor-does-not-show-under-raspberry-categorypi/9495 "2019-03-27T16:12:01Z")

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Dear members, I'm trying to use the node-red-contrib-dht-sensor on an older Raspberry Pi A. uname -r 4.14.98+ BTW: I am using a ssh terminal connection and the ip-address:1880 webpage. Followed the script on: https:…

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## [Http request kills node-red](https://discourse.nodered.org/t/http-request-kills-node-red/9493)

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**Author:** [@Julian](https://discourse.nodered.org/u/Julian)\
**Replies:** 8\
**Last updated:** [27 March 2019 14:21 UTC](https://discourse.nodered.org/t/http-request-kills-node-red/9493 "2019-03-27T14:21:24Z")

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Hi, I am running node-red on my raspberry pi 3. recently I upgraded to v0.20.3 and now one of my flows does not work anymore. The flow consists of many HTTP requests to different APIs (with the goal to normalize the d…

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## [Installing node-red modules](https://discourse.nodered.org/t/installing-node-red-modules/9456)

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**Author:** [@carlosglez](https://discourse.nodered.org/u/carlosglez)\
**Replies:** 10\
**Last updated:** [27 March 2019 14:16 UTC](https://discourse.nodered.org/t/installing-node-red-modules/9456 "2019-03-27T14:16:46Z")

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Hi, I want to install a node-red module in a multitech conduit gateway. The problem is that the gateway doesn't have internet connection so I can't use npm. I am trying to download from github the module and send it to…

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## [Problems with (Node-red-node-sqlite) can't install](https://discourse.nodered.org/t/problems-with-node-red-node-sqlite-cant-install/9490)

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**Author:** [@marchdna](https://discourse.nodered.org/u/marchdna)\
**Replies:** 1\
**Last updated:** [27 March 2019 10:03 UTC](https://discourse.nodered.org/t/problems-with-node-red-node-sqlite-cant-install/9490 "2019-03-27T10:03:32Z")

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Node-red-node-SQLite can't install with some problems root@axcf2152:/usr/bin# sqlite3 --version 3.20.0 I hope this must can solve this problems soon. Node-RED version: V.20.3 node.js version: V11.12.0 npm version…

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## [How many outputs can I define on a switch?](https://discourse.nodered.org/t/how-many-outputs-can-i-define-on-a-switch/9442)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 13\
**Last updated:** [27 March 2019 09:01 UTC](https://discourse.nodered.org/t/how-many-outputs-can-i-define-on-a-switch/9442 "2019-03-27T09:01:16Z")

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I am working on a project for Easter. My kids have outgrown the traditional Easter Egg hunt so each year we devise a "hunt" that is getting increasingly complex. This year we have a stuffed bunny that contains a NodeMC…

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## [How to Run OpenPLC Timer using Ladder Logic](https://discourse.nodered.org/t/how-to-run-openplc-timer-using-ladder-logic/9387)

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**Author:** [@MrudangD](https://discourse.nodered.org/u/MrudangD)\
**Replies:** 4\
**Last updated:** [27 March 2019 05:18 UTC](https://discourse.nodered.org/t/how-to-run-openplc-timer-using-ladder-logic/9387 "2019-03-27T05:18:29Z")

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How to Run OpenPLC Node in Timer using Ladder Logic .

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## [Problem of executing the program correctely again inside an exec node](https://discourse.nodered.org/t/problem-of-executing-the-program-correctely-again-inside-an-exec-node/9464)

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**Author:** [@khalil](https://discourse.nodered.org/u/khalil)\
**Replies:** 4\
**Last updated:** [26 March 2019 22:37 UTC](https://discourse.nodered.org/t/problem-of-executing-the-program-correctely-again-inside-an-exec-node/9464 "2019-03-26T22:37:30Z")

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hello everyone. i have made an MQTT connection between my raspberry pi3 and ESP8266. My aim is to send the actual data generated by my soil sensor to the raspberry pi3 and if the value is below to 30 it execute the pytho…

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## [how to extract all my program out of DashBoard](https://discourse.nodered.org/t/how-to-extract-all-my-program-out-of-dashboard/9379)

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**Author:** [@pascal75](https://discourse.nodered.org/u/pascal75)\
**Replies:** 2\
**Last updated:** [26 March 2019 21:59 UTC](https://discourse.nodered.org/t/how-to-extract-all-my-program-out-of-dashboard/9379 "2019-03-26T21:59:08Z")

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Good evening everyone, This is my first message and I hope you will not find my quirky question. I realized my prgoramme with Node-red. Everything is OK. I would like to know how to extract all my program out of DashB…

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## [Error: 14 UNAVAILABLE: Connect Failed](https://discourse.nodered.org/t/error-14-unavailable-connect-failed/9471)

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**Author:** [@Azoranut](https://discourse.nodered.org/u/Azoranut)\
**Replies:** 0\
**Last updated:** [26 March 2019 21:12 UTC](https://discourse.nodered.org/t/error-14-unavailable-connect-failed/9471 "2019-03-26T21:12:07Z")

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Buenas tardes, me gustaria saber si alguien ha podido dar solución al Error: 14 UNAVAILABLE: Connect Failed, cuanto intento enlazarme con ttn, ingresando todos los datos correctamente, me aparece lo siguiente, "Error on …

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## [Switch using 'matches regex" - help needed](https://discourse.nodered.org/t/switch-using-matches-regex-help-needed/9361)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 11\
**Last updated:** [26 March 2019 20:03 UTC](https://discourse.nodered.org/t/switch-using-matches-regex-help-needed/9361 "2019-03-26T20:03:29Z")

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Hi I have a payload coming in that is a variation of the following, which changes based on the input and outputs being used - below shows output 1 is using input 4 \<@WVSO\[1\]I\[4\] I want to use the switch node to take…

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## [Using 'fs' in the node function](https://discourse.nodered.org/t/using-fs-in-the-node-function/9460)

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**Author:** [@lkaiser](https://discourse.nodered.org/u/lkaiser)\
**Replies:** 2\
**Last updated:** [26 March 2019 16:22 UTC](https://discourse.nodered.org/t/using-fs-in-the-node-function/9460 "2019-03-26T16:22:40Z")

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Hi everyone, I just discover Node-red and I want to use the node "function" to manipulate files and folders with fs object. I Uncomment this line in the settings.js //var fs = require("fs"); and try to use var f…

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## [Bluetooth Low Energy (BLE), Noble, and RPi3](https://discourse.nodered.org/t/bluetooth-low-energy-ble-noble-and-rpi3/4534)

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**Author:** [@btsimonh](https://discourse.nodered.org/u/btsimonh)\
**Replies:** 11\
**Last updated:** [26 March 2019 15:55 UTC](https://discourse.nodered.org/t/bluetooth-low-energy-ble-noble-and-rpi3/4534 "2019-03-26T15:55:10Z")

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Hi All, I've been doing a lot of investigation into BluetoothLE and JS/Node Red. Noble seems to be library of choice, maybe with Noble-Device on top. However, it strikes me that some features of BluetoothLE communica…

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## [Read pdf using ocr teseract?](https://discourse.nodered.org/t/read-pdf-using-ocr-teseract/9450)

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**Author:** [@harisankar](https://discourse.nodered.org/u/harisankar)\
**Replies:** 4\
**Last updated:** [26 March 2019 14:41 UTC](https://discourse.nodered.org/t/read-pdf-using-ocr-teseract/9450 "2019-03-26T14:41:53Z")

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Hi team, i want to read the data from pdf using teseract component proviede by node red. But i dont know how can i pass input parameer as a file name .

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## [Multi-session and Return Context support unclear in Watson Assistant v2 Node](https://discourse.nodered.org/t/multi-session-and-return-context-support-unclear-in-watson-assistant-v2-node/9418)

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**Author:** [@timisonyourside](https://discourse.nodered.org/u/timisonyourside)\
**Replies:** 5\
**Last updated:** [26 March 2019 14:17 UTC](https://discourse.nodered.org/t/multi-session-and-return-context-support-unclear-in-watson-assistant-v2-node/9418 "2019-03-26T14:17:13Z")

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Trying to use SMS integration with Twilio in Node-RED in CF on IBM Cloud to drive individual SMS messages from mobile devices to Assistant. Here is my configuration of the Assistant v2 node: When configured this way, …

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## [Buzzer turns off after 5s](https://discourse.nodered.org/t/buzzer-turns-off-after-5s/9390)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 17\
**Last updated:** [26 March 2019 09:32 UTC](https://discourse.nodered.org/t/buzzer-turns-off-after-5s/9390 "2019-03-26T09:32:21Z")

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Hey! I am trying to turn the buzzer in my flow on untill I turn it back off. Right now it stays on for 5s and after that it stops, any idea how i can do this?

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## [Impossible to tweet a public message](https://discourse.nodered.org/t/impossible-to-tweet-a-public-message/9440)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 2\
**Last updated:** [26 March 2019 07:11 UTC](https://discourse.nodered.org/t/impossible-to-tweet-a-public-message/9440 "2019-03-26T07:11:57Z")

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Hello I want to send a tweet with my account. So, I have created an account, an API in Twitter, inserted the tokens, etc... I can send a private message (direct) with a simple inject node with the syntax D user messag…

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## [Pass every nth message](https://discourse.nodered.org/t/pass-every-nth-message/9419)

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**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\
**Replies:** 6\
**Last updated:** [26 March 2019 07:06 UTC](https://discourse.nodered.org/t/pass-every-nth-message/9419 "2019-03-26T07:06:54Z")

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Hi, Is there a node which can Pass every nth message? Pass msg, drop N-1 messages, Pass msg, drop N-1 messages, etc... I couldn't find such node... Thank you.

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## [Example wanted for node-red-contrib-protobuf](https://discourse.nodered.org/t/example-wanted-for-node-red-contrib-protobuf/9294)

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**Author:** [@robin-s-007](https://discourse.nodered.org/u/robin-s-007)\
**Replies:** 1\
**Last updated:** [26 March 2019 00:48 UTC](https://discourse.nodered.org/t/example-wanted-for-node-red-contrib-protobuf/9294 "2019-03-26T00:48:49Z")

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Hello, I am trying to decode protobuf data on incoming MQTT messages. For this I am trying to use the node-red-contrib-protobuf node, but sofar its driving me crazy... Although it produces error messages, further docu…

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## [Feature request for a RTL\_433 pallet](https://discourse.nodered.org/t/feature-request-for-a-rtl-433-pallet/8646)

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**Author:** [@christiaan\_douma](https://discourse.nodered.org/u/christiaan_douma)\
**Replies:** 3\
**Last updated:** [25 March 2019 22:52 UTC](https://discourse.nodered.org/t/feature-request-for-a-rtl-433-pallet/8646 "2019-03-25T22:52:37Z")

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Hi I was hoping that someone could make a palet for nodered of the rtl-sdr dongle for 433mhz etc The gitlab repo is here:

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## [Unauthorised tone analyzer/personality insights](https://discourse.nodered.org/t/unauthorised-tone-analyzer-personality-insights/9436)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 1\
**Last updated:** [25 March 2019 21:26 UTC](https://discourse.nodered.org/t/unauthorised-tone-analyzer-personality-insights/9436 "2019-03-25T21:26:06Z")

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I have some nodes set up to deliver a text string to a toneanalyzer node and a personality insights node, but when the text is injected both say 'unauthorised'. I recently deleted and remade my nodeRED instance which is …

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## [Different permissions for different UI´s](https://discourse.nodered.org/t/different-permissions-for-different-ui-s/9389)

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**Author:** [@JokinSegu](https://discourse.nodered.org/u/JokinSegu)\
**Replies:** 4\
**Last updated:** [25 March 2019 21:02 UTC](https://discourse.nodered.org/t/different-permissions-for-different-ui-s/9389 "2019-03-25T21:02:40Z")

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HI, How can I set different users and permissions for the different UI´s. I mean can I put thta with one users you can only enter i n the UI 1, with another user in the UI/2 and that way?

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## [Data not retained with a browser refresh](https://discourse.nodered.org/t/data-not-retained-with-a-browser-refresh/976)

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**Author:** [@dilepa](https://discourse.nodered.org/u/dilepa)\
**Replies:** 7\
**Last updated:** [25 March 2019 21:02 UTC](https://discourse.nodered.org/t/data-not-retained-with-a-browser-refresh/976 "2019-03-25T21:02:19Z")

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Hi, Need some pointers with my flow. Created a dashboard using the UI template, but the data does not stay when the browser is refreshed. New data works fine. old data is not saved when going to other tabs or refreshing…

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## [Switch with window / door (open / close) Customize icon or create it yourself?](https://discourse.nodered.org/t/switch-with-window-door-open-close-customize-icon-or-create-it-yourself/9411)

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**Author:** [@pinie\_pinie](https://discourse.nodered.org/u/pinie_pinie)\
**Replies:** 2\
**Last updated:** [25 March 2019 18:55 UTC](https://discourse.nodered.org/t/switch-with-window-door-open-close-customize-icon-or-create-it-yourself/9411 "2019-03-25T18:55:14Z")

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Hello, I want to customize a switch for an application. I need windows and door (open / close). Unfortunately I can not find this icon in the database. I can integrate all other icons (including color and size). Can yo…

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## [Best way to pass parameters into a adminAuth plugin](https://discourse.nodered.org/t/best-way-to-pass-parameters-into-a-adminauth-plugin/9404)

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**Author:** [@dustinw](https://discourse.nodered.org/u/dustinw)\
**Replies:** 2\
**Last updated:** [25 March 2019 17:42 UTC](https://discourse.nodered.org/t/best-way-to-pass-parameters-into-a-adminauth-plugin/9404 "2019-03-25T17:42:20Z")

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A request for some advice: My team is working on a custom-user-authentication plugin for the adminAuth setting as per: https://nodered.org/docs/security#custom-user-authentication If we want the plugin to be reusable, …

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## [Bulk export of node red flows](https://discourse.nodered.org/t/bulk-export-of-node-red-flows/9396)

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**Author:** [@mvidhya86](https://discourse.nodered.org/u/mvidhya86)\
**Replies:** 3\
**Last updated:** [25 March 2019 13:33 UTC](https://discourse.nodered.org/t/bulk-export-of-node-red-flows/9396 "2019-03-25T13:33:34Z")

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Do i have an option to bulk export (or import) my workflows, i have created multiple sub flows and i need to share this, is there a way i can avoid export individually and then import one by one to setup the flows

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## [Setting a msg.topic value in an HTTP IN request](https://discourse.nodered.org/t/setting-a-msg-topic-value-in-an-http-in-request/9382)

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**Author:** [@utmostGrandPoobah](https://discourse.nodered.org/u/utmostGrandPoobah)\
**Replies:** 4\
**Last updated:** [25 March 2019 09:59 UTC](https://discourse.nodered.org/t/setting-a-msg-topic-value-in-an-http-in-request/9382 "2019-03-25T09:59:15Z")

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Hypothetical use-case: as a third party client, I want to set a topic for an incoming message from a producer (whether a conventional application/client or another message queue like Kafka) using a webhook/http pattern H…

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## [Possible to Monitoring Siemens PLC input and output with nodered](https://discourse.nodered.org/t/possible-to-monitoring-siemens-plc-input-and-output-with-nodered/9386)

<div class="topic-metadata">

**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 3\
**Last updated:** [25 March 2019 09:57 UTC](https://discourse.nodered.org/t/possible-to-monitoring-siemens-plc-input-and-output-with-nodered/9386 "2019-03-25T09:57:20Z")

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Hi everybody. We are monitoring Siemens s7-300 plc input and output with wiring raspberry Pi3 with nodered. But we just have limited I/O ports and wiring is not working very well actually. I have seen somewhere, RPI 3 …

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## [Troubleshooting: node-red-contrib-salesforce (Salesforce package)](https://discourse.nodered.org/t/troubleshooting-node-red-contrib-salesforce-salesforce-package/9384)

<div class="topic-metadata">

**Author:** [@utmostGrandPoobah](https://discourse.nodered.org/u/utmostGrandPoobah)\
**Replies:** 1\
**Last updated:** [25 March 2019 07:08 UTC](https://discourse.nodered.org/t/troubleshooting-node-red-contrib-salesforce-salesforce-package/9384 "2019-03-25T07:08:12Z")

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After installing this package on my Node-RED instance (hosted on AWS and managed by fargate) I noticed that of the original 6 nodes available, only one node-- the obm node is available from the palette, and drilling into…

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