# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1291

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

**Page:** 1292

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## [Errors loading modbus nodes on RevPi](https://discourse.nodered.org/t/errors-loading-modbus-nodes-on-revpi/10156)

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**Author:** [@stgv](https://discourse.nodered.org/u/stgv)\
**Replies:** 3\
**Last updated:** [16 April 2019 06:58 UTC](https://discourse.nodered.org/t/errors-loading-modbus-nodes-on-revpi/10156 "2019-04-16T06:58:50Z")

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Since my company considers using the Revolution Pi Connect in the future, I tried deploying our current flow on this hardware. I've set up Node-RED by following the steps outlined in the installation guide, then loaded …

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## [Dashboard problem](https://discourse.nodered.org/t/dashboard-problem/10203)

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**Author:** [@sachin](https://discourse.nodered.org/u/sachin)\
**Replies:** 1\
**Last updated:** [16 April 2019 05:47 UTC](https://discourse.nodered.org/t/dashboard-problem/10203 "2019-04-16T05:47:41Z")

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1.On click button get a pop up color pad 2.color pad.... 3.Each color has different value . example: color black =61440,RED=1,brown=2...etc 4.Then comes textbox value . 5.i want to add textbox value and color va…

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## [File fetching from cloud](https://discourse.nodered.org/t/file-fetching-from-cloud/10158)

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**Author:** [@ApiAsylum](https://discourse.nodered.org/u/ApiAsylum)\
**Replies:** 7\
**Last updated:** [16 April 2019 04:55 UTC](https://discourse.nodered.org/t/file-fetching-from-cloud/10158 "2019-04-16T04:55:23Z")

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I have a file in git repository, and i want to map that file in python function node, Can someone help me with this?

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## [Navigator window not in sync with scroll on screen](https://discourse.nodered.org/t/navigator-window-not-in-sync-with-scroll-on-screen/10202)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [16 April 2019 04:50 UTC](https://discourse.nodered.org/t/navigator-window-not-in-sync-with-scroll-on-screen/10202 "2019-04-16T04:50:32Z")

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I just noticed this. But scrolling around with the navigator the map (smaller image, with the bigger view) doesn't always sync with what is showing on the screen. A lot of piccies to show the problem. I have tried to …

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## [\`switch\` node....... Missing option?](https://discourse.nodered.org/t/switch-node-missing-option/10201)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [16 April 2019 02:56 UTC](https://discourse.nodered.org/t/switch-node-missing-option/10201 "2019-04-16T02:56:43Z")

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Ok, I have an output. It sits there spitting out results. I want to switch if the output is........ condition. As I am going further down the rabbit hole of learning best practices, I think I have found an omission. I…

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## [Saving HTML Table object(s)](https://discourse.nodered.org/t/saving-html-table-object-s/10190)

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**Author:** [@justinsroy](https://discourse.nodered.org/u/justinsroy)\
**Replies:** 0\
**Last updated:** [15 April 2019 21:23 UTC](https://discourse.nodered.org/t/saving-html-table-object-s/10190 "2019-04-15T21:23:45Z")

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Blocked out the data for personal reasons. Essentially I am passing images from a MongoDB to NodeRed and parsing the actual image file back to base64 to create a set of up to 100 images (records) and the "alarm" descr…

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## [Node-RED controlling Robot via MQTT](https://discourse.nodered.org/t/node-red-controlling-robot-via-mqtt/1410)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 16\
**Last updated:** [15 April 2019 21:45 UTC](https://discourse.nodered.org/t/node-red-controlling-robot-via-mqtt/1410 "2019-04-15T21:45:25Z")

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I've had an idea to run MQTT clients on cheap ESP8266/ESP32/ devices with simple programs to accept messages via MQTT to control motors and publish sensor info from things ir line followers back to a laptop/tablet So I'…

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## [Need help about google action](https://discourse.nodered.org/t/need-help-about-google-action/10104)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 2\
**Last updated:** [15 April 2019 20:37 UTC](https://discourse.nodered.org/t/need-help-about-google-action/10104 "2019-04-15T20:37:56Z")

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Hello I try to make a link beetween Google assistant and Node-red. So, I have installed the google action contrib, and I have followed the tuto. I have created the project, used the CLI for gactions, redirected the po…

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## [UI Dropdown trying to allow for single entry or multiple](https://discourse.nodered.org/t/ui-dropdown-trying-to-allow-for-single-entry-or-multiple/10045)

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**Author:** [@MrDmx1024](https://discourse.nodered.org/u/MrDmx1024)\
**Replies:** 25\
**Last updated:** [15 April 2019 19:22 UTC](https://discourse.nodered.org/t/ui-dropdown-trying-to-allow-for-single-entry-or-multiple/10045 "2019-04-15T19:22:34Z")

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SO! I am using the UI dropdown node and having great success... until my entry is a single line. Iknow, I know! Why a dropdown node for a single entry. Let me explain. I am pulling from a database and most of the ti…

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## [Serial in node not working in node-red 0.20.5](https://discourse.nodered.org/t/serial-in-node-not-working-in-node-red-0-20-5/10141)

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**Author:** [@dennishvo](https://discourse.nodered.org/u/dennishvo)\
**Replies:** 4\
**Last updated:** [15 April 2019 15:17 UTC](https://discourse.nodered.org/t/serial-in-node-not-working-in-node-red-0-20-5/10141 "2019-04-15T15:17:53Z")

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I'm running node-red 0.20.5 on an RPi 3 B+ with Raspbian GNU/Linux 9.8 (stretch) and node-red-serial-port 0.8.1. Since upgrading from node-red 0.19.5, the serial in node has started behaving strangely. Messages are bein…

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## [Mathematic Function](https://discourse.nodered.org/t/mathematic-function/10178)

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**Author:** [@aabbas](https://discourse.nodered.org/u/aabbas)\
**Replies:** 1\
**Last updated:** [15 April 2019 15:04 UTC](https://discourse.nodered.org/t/mathematic-function/10178 "2019-04-15T15:04:12Z")

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Hi, I have 2 msg.payload A and B and I want to insert after a function like (A+B)/(A-B), but I don't know how to define each msg.payload. Thank you for your help.

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## [Is there a way to pass an array through the ToneAnalyzer?](https://discourse.nodered.org/t/is-there-a-way-to-pass-an-array-through-the-toneanalyzer/10133)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 4\
**Last updated:** [15 April 2019 14:23 UTC](https://discourse.nodered.org/t/is-there-a-way-to-pass-an-array-through-the-toneanalyzer/10133 "2019-04-15T14:23:49Z")

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I have an array of different texts that I need to pass separately through the ToneAnalyzer. I have to be able to access all of the analysis values afterwards. Is there a way to do this without setting up a separate inst…

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## [Node-RED unable to find Discovery Collection](https://discourse.nodered.org/t/node-red-unable-to-find-discovery-collection/9699)

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**Author:** [@nhar](https://discourse.nodered.org/u/nhar)\
**Replies:** 4\
**Last updated:** [15 April 2019 14:21 UTC](https://discourse.nodered.org/t/node-red-unable-to-find-discovery-collection/9699 "2019-04-15T14:21:15Z")

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I have an environment set up in Node-RED which has two collections. When I use the 'list-collections' property of the Discovery node it returns an empty array. I can see that the collections are present in the environme…

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## [Best way to access dynamic msg payload?](https://discourse.nodered.org/t/best-way-to-access-dynamic-msg-payload/10170)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 13\
**Last updated:** [15 April 2019 13:49 UTC](https://discourse.nodered.org/t/best-way-to-access-dynamic-msg-payload/10170 "2019-04-15T13:49:40Z")

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Good day, I have an issue whereby I need to access a data inside a dynamically generated payload, the position I need to access is always the same, but the name of a certain level is generated as part of the return... e…

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## [Control an Amazon Smart Switch](https://discourse.nodered.org/t/control-an-amazon-smart-switch/9991)

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**Author:** [@thebaldgeek](https://discourse.nodered.org/u/thebaldgeek)\
**Replies:** 4\
**Last updated:** [15 April 2019 07:01 UTC](https://discourse.nodered.org/t/control-an-amazon-smart-switch/9991 "2019-04-15T07:01:53Z")

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Did some searching, but nothing comes up..... I want to control an Amazon Smart Switch (electrical power outlet) NOT with my voice, but with Node-RED. I see plenty of nodes to allow you to interact with Node-RED via Al…

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## [Timestamp does not show correct value for my timezone](https://discourse.nodered.org/t/timestamp-does-not-show-correct-value-for-my-timezone/10010)

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**Author:** [@diogodtway](https://discourse.nodered.org/u/diogodtway)\
**Replies:** 8\
**Last updated:** [15 April 2019 07:04 UTC](https://discourse.nodered.org/t/timestamp-does-not-show-correct-value-for-my-timezone/10010 "2019-04-15T07:04:53Z")

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Hello, I am having some trouble with the timestamps and dates in general. My time zone is UTC (Europe/Lisbon) but when DST kicks in the time changes to UTC+1 The problem is that node-red does not take the DST in to ac…

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## [2 inputs function: mqtt & telegram?](https://discourse.nodered.org/t/2-inputs-function-mqtt-telegram/10143)

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**Author:** [@waquete](https://discourse.nodered.org/u/waquete)\
**Replies:** 2\
**Last updated:** [14 April 2019 21:27 UTC](https://discourse.nodered.org/t/2-inputs-function-mqtt-telegram/10143 "2019-04-14T21:27:20Z")

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Hi there! I'm very new to nodered (what a huge world to discover!) I come to my 1st issue.... I would like to do something simple,but I cannot figure out how to do (even based on http://noderedguide.com/node-red-lectu…

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## [Alexa API Feedback](https://discourse.nodered.org/t/alexa-api-feedback/10139)

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**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\
**Replies:** 0\
**Last updated:** [14 April 2019 20:04 UTC](https://discourse.nodered.org/t/alexa-api-feedback/10139 "2019-04-14T20:04:19Z")

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Hi Guys, I working on node-red integration with Amazon Echo (Alexa) and I have doubt how to send Turn ON or Turn Off feedback. I didn´t find references on wiki Skill API each command I need to use. I found in google two…

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## [SQLite node possible bug, how to workaround?](https://discourse.nodered.org/t/sqlite-node-possible-bug-how-to-workaround/10027)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 21\
**Last updated:** [14 April 2019 18:51 UTC](https://discourse.nodered.org/t/sqlite-node-possible-bug-how-to-workaround/10027 "2019-04-14T18:51:12Z")

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Hi Everyone, I've spend the last couple of days getting to know the SQLite node and attempting to apply it to a use case I'm trying to solve. Sadly, it seems a possible bug is thwarting my efforts, please see: Is the…

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## [NodeRED and SQL data fetching problem](https://discourse.nodered.org/t/nodered-and-sql-data-fetching-problem/10119)

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**Author:** [@ALOKA1432](https://discourse.nodered.org/u/ALOKA1432)\
**Replies:** 34\
**Last updated:** [14 April 2019 18:14 UTC](https://discourse.nodered.org/t/nodered-and-sql-data-fetching-problem/10119 "2019-04-14T18:14:07Z")

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flow.json (2.9 KB) Hey, I am having problem while fetching the data from SQL database using MySQL node. The flow i used is attached. The date picker generates the same SQL syntax as the manual entered "from" and "to" da…

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## [Basic advice needed on parsing JSON](https://discourse.nodered.org/t/basic-advice-needed-on-parsing-json/10130)

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**Author:** [@Bigglesuk](https://discourse.nodered.org/u/Bigglesuk)\
**Replies:** 3\
**Last updated:** [14 April 2019 16:13 UTC](https://discourse.nodered.org/t/basic-advice-needed-on-parsing-json/10130 "2019-04-14T16:13:52Z")

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hi. I'm relativly new to NodeRed. I like what i know it can do but i'm just trying to wrap my head around it. My current basic goal is to parse my Json correctly so i can enter it into an InfluxDB to read. I've got a SO…

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## [Mqtt oddness on rpi](https://discourse.nodered.org/t/mqtt-oddness-on-rpi/10109)

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**Author:** [@bitbucket](https://discourse.nodered.org/u/bitbucket)\
**Replies:** 5\
**Last updated:** [14 April 2019 16:01 UTC](https://discourse.nodered.org/t/mqtt-oddness-on-rpi/10109 "2019-04-14T16:01:19Z")

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I've got a low-moderately complex flow that relies on mqtt input/output nodes. It pulls data from a remote source, processes it, and when done, asks for more data. It does this in an endless loop. Well, it's supposed to…

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## [Editing Settings.js Files Problem , I'm still finding the Settings.js file empty?](https://discourse.nodered.org/t/editing-settings-js-files-problem-im-still-finding-the-settings-js-file-empty/10120)

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**Author:** [@Jackyee](https://discourse.nodered.org/u/Jackyee)\
**Replies:** 13\
**Last updated:** [14 April 2019 15:50 UTC](https://discourse.nodered.org/t/editing-settings-js-files-problem-im-still-finding-the-settings-js-file-empty/10120 "2019-04-14T15:50:00Z")

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After the trouble of searching, I found the settings.js file in /home/pi/.node-red but when I run it by Nano Editor it appears empty without any line and I don't know what the problem is, in previous versions, I could e…

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## [Wrap nodes in a function](https://discourse.nodered.org/t/wrap-nodes-in-a-function/10126)

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**Author:** [@manooten](https://discourse.nodered.org/u/manooten)\
**Replies:** 2\
**Last updated:** [14 April 2019 14:20 UTC](https://discourse.nodered.org/t/wrap-nodes-in-a-function/10126 "2019-04-14T14:20:40Z")

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Is there a way of wrapping a set of nodes into a function? Imagine you have 5 nodes that go to a website and scrap some content, and you want to use the result of that on other flows. Create a node that does all that, an…

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## [Decimal Separator](https://discourse.nodered.org/t/decimal-separator/9998)

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**Author:** [@tdrees](https://discourse.nodered.org/u/tdrees)\
**Replies:** 4\
**Last updated:** [14 April 2019 11:01 UTC](https://discourse.nodered.org/t/decimal-separator/9998 "2019-04-14T11:01:38Z")

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How do I change the decimal separator to a comma instead of a point. I am running a german locale on my raspberry, but this didn't change anything. Reagrds, Torsten

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## [I am getting client is not a constructor for kafka node](https://discourse.nodered.org/t/i-am-getting-client-is-not-a-constructor-for-kafka-node/10061)

<div class="topic-metadata">

**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 10\
**Last updated:** [14 April 2019 10:38 UTC](https://discourse.nodered.org/t/i-am-getting-client-is-not-a-constructor-for-kafka-node/10061 "2019-04-14T10:38:33Z")

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I am using kafka node in node-red but it is giving client is not a constructor. The configuration parameters are correct.

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## [Ok, something is going on](https://discourse.nodered.org/t/ok-something-is-going-on/10115)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [14 April 2019 10:12 UTC](https://discourse.nodered.org/t/ok-something-is-going-on/10115 "2019-04-14T10:12:03Z")

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I was mucking about with some new stuff. Suddenly: host not responding. Waiting waiting waiting. Nothing. Then I get this error: ui/css/app.min.less' wasn't found What does that mean? I powered up another RPI and…

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## [Mqtt to telegram at a specific time](https://discourse.nodered.org/t/mqtt-to-telegram-at-a-specific-time/10084)

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**Author:** [@Gehasi](https://discourse.nodered.org/u/Gehasi)\
**Replies:** 3\
**Last updated:** [14 April 2019 07:42 UTC](https://discourse.nodered.org/t/mqtt-to-telegram-at-a-specific-time/10084 "2019-04-14T07:42:44Z")

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Hi, I have a mqtt temperature sensor, he is sending every 10 sec. the temperature in msg.payload.temperature. Now I want to send the temperature every morning via telegram to my cell phone. But i don't know how to do it…

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## [NanoPi M4 Node-RED install difficulties](https://discourse.nodered.org/t/nanopi-m4-node-red-install-difficulties/10048)

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**Author:** [@RickW](https://discourse.nodered.org/u/RickW)\
**Replies:** 13\
**Last updated:** [14 April 2019 00:45 UTC](https://discourse.nodered.org/t/nanopi-m4-node-red-install-difficulties/10048 "2019-04-14T00:45:36Z")

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https://www.friendlyarm.com/index.php?route=product/product&product\_id=234 I was working on a project using a Raspberry Pi 3B+ and kept running into road blocks. The last one was trying to get Real Time Clock (RTC) to …

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## [How to implement integration with Alexa door lock](https://discourse.nodered.org/t/how-to-implement-integration-with-alexa-door-lock/10042)

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**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\
**Replies:** 4\
**Last updated:** [13 April 2019 12:58 UTC](https://discourse.nodered.org/t/how-to-implement-integration-with-alexa-door-lock/10042 "2019-04-13T12:58:11Z")

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Hi Guys, right now I´m working node-red to integrate with amazon Echo (Alexa) and I have success to integrate Switches but I have doubts how to do it well with door lock. I seen that the Alex Home node sending a command…

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