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Raspberry Pi By Example
Ashwin Pajankar, Arush Kakkar
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eBook - ePub
Raspberry Pi By Example
Ashwin Pajankar, Arush Kakkar
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About This Book
Start building amazing projects with the Raspberry Pi right out of the box
About This Book
- Explore the vast range of opportunities provided by Raspberry Pi and other hardware components such as a webcam, the Pi camera, and sensors
- Get hands-on experience with coding, networking, and hardware with the Raspberry Pi platform
- Learn through ample screenshots that offer a play-by-play account of how to implement Raspberry-Pi-based real-life projects
Who This Book Is For
What's the best way to learn how to use your Raspberry Pi? By example! If you want something exciting to do whilst getting to grips with what your Pi can offer, this is the book for you. With both simple and complex projects, you'll create a wide variety of cool toys and functions with your Raspberry Pi - all with minimal coding experience necessary.
What You Will Learn
- Set up your Raspberry Pi and get it ready for some interesting real-life projects
- Work with images, videos, webcams, and the Pi camera and create amazing time-lapse videos
- Explore the amazing world of Minecraft Pi
- Get to know how to use PiGlow for GPIO programming
- Interface your Pi with Grove Sensors and implement IoT applications
- Build your own cluster with Raspberry Pi
- Understand the networking and network programming fundamentals
In Detail
Want to put your Raspberry Pi through its paces right out of the box? This tutorial guide is designed to get you learning all the tricks of the Raspberry Pi through building complete, hands-on hardware projects. Speed through the basics and then dive right in to development!
Discover that you can do almost anything with your Raspberry Pi with a taste of almost everything. Get started with Pi Gaming as you learn how to set up Minecraft, and then program your own game with the help of Pygame. Turn the Pi into your own home security system with complete guidance on setting up a webcam spy camera and OpenCV computer vision for image recognition capabilities. Get to grips with GPIO programming to make a Pi-based glowing LED system, build a complete functioning motion tracker, and more. Finally, get ready to tackle projects that push your Pi to its limits. Construct a complete Internet of Things home automation system with the Raspberry Pi to control your house via Twitter; turn your Pi into a super-computer through linking multiple boards into a cluster and then add in advanced network capabilities for super speedy processing!
Style and approach
This step-by-step guide to building Raspberry-Pi-based projects is explained in a conversational and easy-to-follow style. Each topic is explained sequentially in the process of creating real-life projects, and detailed explanations of the basic and advanced features of various Python libraries are also included.
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Information
Raspberry Pi By Example
Table of Contents
Raspberry Pi By Example
Credits
About the Authors
About the Reviewers
www.PacktPub.com
eBooks, discount offers, and more
Why subscribe?
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Downloading the color images of this book
Errata
Piracy
Questions
1. Introduction to Raspberry Pi and Python
Single-board computers
Raspberry Pi
Raspberry Pi models
Operating systems
Raspbian
Setting up the Raspberry Pi
Preparing MicroSD card manually
Booting up our Pi for the first time
Shutting down and rebooting Pi safely
Updating the Pi
Getting started with Python
Turtle programming with Python
Summary
2. Minecraft Pi
Introduction to Minecraft Pi
Playing Minecraft Pi
Movement control in Minecraft Pi
Action control in Minecraft Pi
Other controls in Minecraft Pi
Python programming for Minecraft Pi
Summary
3. Building Games with PyGame
Introducing PyGame
Installing PyGame
Drawing a binary fractal tree
Building a snake game
Summary
4. Working with a Webcam and Pi Camera
Working with webcams
Crontab
Creating a timelapse sequence using fswebcam
Webcam video recording and playback
Working with the Pi Camera and NoIR Camera modules
Using raspistill and raspivid
Using picamera in Python with the Pi Camera module
The Pi camera versus the webcam
Summary
5. Introduction to GPIO Programming
Introducing GPIO pins
Building an LED Blinker
Connecting a button
Installing PiGlow
Using PiGlow
Building a binary clock
Summary
6. Creating Animated Movies with Raspberry Pi
Introducing stop-motion animation
Setting up the prerequisites
Setting up and testing the camera
Adding the hardware button
Rendering the video
Summary
7. Introduction to Computer Vision
Introducing Computer Vision
Introducing OpenCV
Setting up Pi for Computer Vision
Testing the OpenCV installation with Python
Introducing NumPy
Array creation
Basic operations on arrays
Linear algebra
Working with images
Using matplotlib
Working with Webcam using OpenCV
Saving a video using OpenCV
Pi Camera and OpenCV
Retrieving image properties
Arithmetic operations on images
Splitting and merging image color channels
Negating an image
Logical operations on images
Colorspaces and conversions
Tracking in real time based on color
Summary
8. Creating Your Own Motion Detection and Tracking System
Thresholding images
Otsu's method
Noise
Kernels for noise removal
2D convolution filtering
Low pass filtering
Morphological transformations on images
Motion detection and tracking
Summary
9. Grove Sensors and the Raspberry Pi
Introducing the GrovePi
Setting up the GrovePi
Displaying the weather
Intruder detection system
Summary
10. Internet of Things with the Raspberry Pi
Introducing the Internet of Things
Installing the Twitter API for Python
Using Tweepy
Setting up a SQLite database in Python
Building a tweeting weather station
Adding speech capabilities to our weather station
Summary
11. Build Your Own Supercomputer with Raspberry Pi
Introducing a Pi-based supercomputer
Installing and configuring MPICH2 and MPI4PY
Installing the MPICH library
Installing MPI4PY
Setting up the Raspberry Pi cluster
Setting up SSH access from the host to the client
Running code in parallel
Performance benchmarking of the cluster
Introducing N-Body simulations
Installing and running GalaxSee
Summary
12. Advanced Networking with Raspberry Pi
Introducing DHCP
A few networking concepts
Configuring a Raspberry Pi to act as a DHCP server
Introducing Domain Naming System (DNS)
Setting up a DNS server on the Pi
Configuring the setup for a web server
Automating node discovery in a network
Summary
13. Setting Up a Web Server on the Raspberry Pi
Introducing and installing Apache on Raspbian
Installing PHP and MySQL
Installing WordPress
Configuring the WordPress installation
Summary
14. Network Programming in Python with the Pi
The basics of sockets
The difference between TCP and UDP
The architecture and programming of UDP sockets
Sending and receiving data with UDP
UDP servers and NCAT
An echo server using Python UDP sockets
A UDP client
The architecture of TCP sockets
Creating a TCP socket
Connecting to a server with a TCP socket
Receiving data from the server
Programming socket servers
Binding a socket
Listening for incoming connections
Handling multiple connections
Looking back
A Telnet client in Python
A chat program
The chat server
The chat client
References
Exercise
Summary
A. Newer Raspberry Pi Models
The Raspberry Pi Zero
The Raspberry Pi 3
Index
Raspberry Pi By Example
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