Internet of Things with Raspberry Pi 3

By : Rao

4.3 (3)

Buy this Book

Internet of Things with Raspberry Pi 3

4.3 (3)

By: Rao

Buy this Book

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.

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

Free Chapter

Introduction to IoT

Understanding IoT

History and evolution

IoT–applications and future prospects

Summary

Know Your Raspberry Pi

Understanding Raspberry Pi 3

Important features of Raspberry Pi 3 Model B

Setting up Raspberry Pi

Setting up headless Raspberry Pi

Summary

Let's Communicate

The internet

The rise of JavaScript and Node.js

HTTP

MQTT

MQTT brokers

Summary

Weather Station

Sensors

Weather API

Google sheets

Summary

Controlling the Pi

L293D

DC motor

Light-emitting diode

Summary

Security Surveillance

Infrared sensors

Ultrasonic sensors

Buzzer

Raspberry Pi camera module

Wiring up

The code

Summary

Image Recognition

Understanding image recognition

Deep learning

How image recognition works

Recognizing an image

Amazon Web Services

AWS S3

AWS Rekognition

Identity and access management

Command line interface

Implementation

The code

Summary

Bot Building

Car chassis

Pulse-width modulation

Wiring up the bot

Executing the commands

Summary

Security in IoT

The challenges in providing IoT security

Secure communication

Trends and challenges in specific industries

Securing Raspberry Pi

Improving SSH security

Setting up a firewall

Summary

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Raspberry Pi camera module

Any security surveillance system is incomplete without the digital eyes of a camera. With the use of a camera, we can keep a real-time watch at our place or premises even when we are not present. If any trespasser enters our premises, then with a combination of sensors and camera, we can make a video recording or take pictures, which can help to track down the trespasser later on.

In our use case, we will use the Raspberry Pi camera module, which is an add-on accessory provided by the Raspberry Pi foundation itself, as shown in Figure 6.14:

Figure 6.14

This camera module can be easily interfaced with the Raspberry Pi's dedicated CSI camera port. This camera has a ribbon cable that attaches the camera to Pi. Refer to the official video by the Raspberry Pi foundation to install the camera on the Pi correctly. The following is the video link: https...