NodeMCU with Azure, MQTT and Node-RED

IoT-NodeMCU

NodeMCU with DHT22 sensor, using Azure, Node-RED and HiveMq.

IoT with Azure, Mqtt, Arduino, NodeMCU and Node-RED tutorial Part 1

https://www.youtube.com/watch?v=7ITxtLSsQrc&t=212s

NodeMCU PinOuts using D1 which = GPIO5

Part 2

https://www.youtube.com/watch?v=4RTaxUfm3dM

CODE for Arduino IDE: https://github.com/itchopshop/IOT-NodeMCU/blob/master/DHTtesterTutorialPart2/DHTtesterTutorialPart2.ino

https://www.arduino.cc/en/Main/Software ******** Arduino IDE

http://arduino.esp8266.com/stable/package_esp8266com_index.json ****** Additional Boards Manager URLs

https://github.com/adafruit/Adafruit_Sensor **** Main Sensor Library

Change the following code in your Arduino C++ program to the below.

#define DHTPIN 5 // GPIO 15 (D1) ***** what digital pin we're connected to

Part 3

https://www.youtube.com/watch?v=D4AVv1ntq8w&t=15s

Azure subscription, VM set up in Azure, configuring end points and Node-RED installation

https://azure.microsoft.com/en-us/free/ **** link to Azure subscription

http://nodered.org/docs/getting-started/installation.html **** Node-RED setup

https://www.java.com/en/download/windows-64bit.jsp ***** Java Install

https://nodejs.org/en/ ***** Node.js install

http://www.hivemq.com/try-out/ *** Tryout

Connect to Public Broker

Host: broker.hivemq.com

Port: 1883

Websocket Port: 8000

Part 4

https://www.youtube.com/watch?v=ektTXmgxELs

Add pubsubclient library to you Arduino IDE.

http://127.0.0.1:1880/ **** Node-RED designer Url

change topics in Node-RED to: wifiTemp and wifiHumidity

https://flows.nodered.org/ ****** Flows and useful nodes

https://flows.nodered.org/node/node-red-dashboard **** Dashboard install for Node-RED

npm i node-red-dashboard

http://127.0.0.1:1880/ui/ ***** Node Red Dashboard URL

Code for this section: https://github.com/itchopshop/IOT-NodeMCU/blob/master/NodeMCUAzurePart3/NodeMCUAzurePart3.ino

Part 5

https://www.youtube.com/watch?v=mEpSGGSCIiA&t=2s

Node-RED flow for this tutorial: https://github.com/itchopshop/IOT-NodeMCU/blob/master/NodeRedFlowPart5.txt

Just some handy links for setting up Node-RED

https://flows.nodered.org/ ******** Flows and Nodes

https://nodered.org/docs/security ****** Security