Book Image

Internet of Things with Raspberry Pi 3

By : Maneesh Rao
Book Image

Internet of Things with Raspberry Pi 3

By: Maneesh Rao

Overview of this book

This book is designed to introduce you to IoT and Raspberry Pi 3. It will help you create interesting projects, such as setting up a weather station and measuring temperature and humidity using sensors; it will also show you how to send sensor data to cloud for visualization in real-time. Then we shift our focus to leveraging IoT for accomplishing complex tasks, such as facial recognition using the Raspberry Pi camera module, AWS Rekognition, and the AWS S3 service. Furthermore, you will master security aspects by building a security surveillance system to protect your premises from intruders using Raspberry Pi, a camera, motion sensors, and AWS Cloud. We'll also create a real-world project by building a Wi-Fi – controlled robot car with Raspberry Pi using a motor driver circuit, DC motor, and a web application. This book is a must-have as it provides a practical overview of IoT’s existing architectures, communication protocols, and security threats at the software and hardware levels—security being the most important aspect of IoT.
Table of Contents (11 chapters)

MQTT brokers

There are many open source and paid MQTT brokers available for use, such as:

  • Mosquitto
  • HiveMQ
  • Apache ActiveMQ
  • RabbitMQ
  • Erlang MQTT (EMQ)

We will use EMQ, which is an open source and massively scalable MQTT broker for connecting our Raspberry Pi to the cloud and communicating with it.

MQTT implementation

Now we will implement the MQTT broker and client.

MQTT broker

Here we will install the EMQ broker on our Windows server, which is our laptop in this case, and create an MQTT client application, which will run on Raspberry Pi:

  1. Download a stable release package...