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BeagleBone By Example

BeagleBone By Example

By : Prabakar
5 (1)
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BeagleBone By Example

BeagleBone By Example

5 (1)
By: Prabakar

Overview of this book

BeagleBone is a low cost, community-supported development platform to develop a variety of electronic projects. This book will introduce you to BeagleBone and get you building fun, cool, and innovative projects with it. Start with the specifications of BeagleBone Black and its operating systems, then get to grips with the GPIOs available in BeagleBone Black. Work through four types of exciting projects: building real-time physical computing systems, home automation, image processing for a security system, and building your own tele-controlled robot and learn the fundamentals of a variety of projects in a single book. By the end of this book, you will be able to write code for BeagleBone in order to operate hardware and impart decision-making capabilities with the help of efficient coding in Python.
Table of Contents (12 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Getting Started with BeagleBone
1. Getting Started with BeagleBone
Prerequisites
BeagleBone Black – a single board computer
Getting to know your board – BeagleBone Black
Hardware specification of BeagleBone Black
Setting up your BeagleBone board
Installing operating systems
Booting your BeagleBone board from a SD card
Logging into the board via SSH over Ethernet
Working on Linux Shell
Writing your own Python program on BeagleBone board
Summary
2
2. Circuit Fundamentals and GPIO
2. Circuit Fundamentals and GPIO
Prerequisites
Usage of breadboards
Switches and LEDs
GPIOs
Adding libraries to Python
Using Python to access GPIOs
Project – blinking an LED using Python script
Summary
3
3. Introduction to Physical Computing Systems
3. Introduction to Physical Computing Systems
Prerequisites
Introducing physical computing systems
Basic elements of physical computing systems
Project – toggle LED using a push button
Summary
4
4. Real-time Physical Computing Systems Using BeagleBone
4. Real-time Physical Computing Systems Using BeagleBone
Prerequisites
Temperature sensor
Temperature sensing using a LM35 sensor
Summary
5
5. Connecting Physical Computing Systems to the Internet
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5. Connecting Physical Computing Systems to the Internet
Prerequisites
Giving Internet access to your BeagleBone board
Adding Wi-Fi to the BeagleBone board
Intermediate level project: An e-mail alert fire alarm
Advanced level project: Uploading sensor data to a web cloud
Summary
6
6. Home Automation Using BeagleBone
6. Home Automation Using BeagleBone
Prerequisites
The structure of home automation systems
Introduction to web servers
Python-Flask on BeagleBone Black
Transistors, relays, power switches
Advanced project: An Internet controlled power switch – controlling an AC bulb from the Internet
Summary
7
7. Working with Images Using Computer Vision
7. Working with Images Using Computer Vision
Prerequisites
Adding a USB camera to a BeagleBone board
OpenCV – introduction and setting up on the BeagleBone board
Project: Image capture from a camera using Python and OpenCV
Summary
8
8. Home Security Systems Using BeagleBone Black
8. Home Security Systems Using BeagleBone Black
Prerequisites
PIR sensors
Motion detection using PIR sensors
Sending e-mail with an attachment from BeagleBone Black
Advanced project – Motion-based home security alert system
Summary
9
9. Exploring Robotics
9. Exploring Robotics
Introduction to robotics
Elements, structure and operation of robotic systems
Application areas
Differential-drive robots
Summary
10
10. Building Your Own Robot
10. Building Your Own Robot
Prerequisites
DC motors
L293D motor driver IC
Live video streaming on the BeagleBone board
Advanced project – a telecontrolled robot with live video streaming
Summary
11
Index
Index

Chapter 5. Connecting Physical Computing Systems to the Internet

In this chapter, we will be focusing on connecting the BeagleBone board to the Internet to connect the physical computing systems that we build to the Internet. First we will look into giving Internet access to the BeagleBone board via Ethernet, then we will learn how to add Wi-Fi capability to the BeagleBone board so that the system we build can be placed anywhere where we have Wi-Fi access, and so that we are not restricted to setting up the system only where the Ethernet is available. Once we are done with this, we will go ahead and build two projects; in the first one we will send an e-mail alert whenever the temperature sensor reading goes above a set level in the Python program running on the BeagleBone board. The next one will be a basic beginner project on Internet of Things for you to get started where the BeagleBone board will be uploading the temperature sensor data to a cloud server on the Internet. So...

End of Section 1
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