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.

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Table of Contents (11 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Introduction to IoT
Introduction to IoT
Understanding IoT
History and evolution
IoT–applications and future prospects
Summary
2
Know Your Raspberry Pi
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
3
Let's Communicate
Let's Communicate
The internet
The rise of JavaScript and Node.js
HTTP
MQTT
MQTT brokers
Summary
4
Weather Station
Weather Station
Sensors
Weather API
Google sheets
Summary
5
Controlling the Pi
Controlling the Pi
L293D
DC motor
Light-emitting diode
Summary
6
Security Surveillance
Security Surveillance
Infrared sensors
Ultrasonic sensors
Buzzer
Raspberry Pi camera module
Wiring up
The code
Summary
7
Image Recognition
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
8
Bot Building
Bot Building
Car chassis
Pulse-width modulation
Wiring up the bot
Executing the commands
Summary
9
Security in IoT
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
10
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Setting up Raspberry Pi

We will use the following items to complete the setup:

  • A Raspberry Pi 3 Model B.
  • A monitor for display, preferably with HDMI connectivity. If your monitor supports only VGA, you can use a VGA to HDMI converter.
  • A keyboard and mouse that can be connected to Pi through USB.
  • A MicroSD card and card reader. Since Pi doesn't have onboard storage, we will install the OS on the SD card itself, so at least 8 GB is preferable.
  • A power supply: Raspberry Pi is powered by micro USB. Use a good adapter with a 2.5 A rating.

If you do not have a keyboard, mouse, and monitor, you can still set up using a headless approach and move to the next topic directly. For now, let's start by setting up Pi using a keyboard, mouse, and monitor.

Install the OS on your SD card. We will install the Raspbian version of the OS here:

  1. The best way to install an OS is through...
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