Python Programming with Raspberry Pi

This is the code repository for Python Programming with Raspberry Pi, published by Packt. It contains all the supporting project files necessary to work through the book from start to finish.

About the Book

Raspberry Pi Zero is a super-small and super-affordable product from Raspberry Pi that is packed with a plethora of features and has grabbed the notice of programmers, especially those who use Python.

This step-by-step guide will get you developing practical applications in Python using a Raspberry Pi Zero. It will become a valuable resource as you learn the essential details of interfacing sensors and actuators to a Raspberry Pi, as well as acquiring and displaying data.

You will get started by writing a Python program that blinks an LED at 1-second intervals. Then you will learn to write simple logic to execute tasks based upon sensor data (for example, to control a motor) and retrieve data from the web (such as to check e-mails to provide a visual alert). Finally, you will learn to build a home automation system with Python where different appliances are controlled using the Raspberry Pi.

The examples discussed in each chapter of this book culminate in a project that help improve the quality of people’s lives.

Instructions and Navigations

All of the code is organized into folders. Each folder starts with a number followed by the application name. For example, Chapter5

The code will look like the following:

static int ngpios;

static int gpios[2] = { -1 , -1 };

module_param_array(gpios, int, &ngpios, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);

MODULE_PARM_DESC(gpios, "Defines the GPIOs number to be used as a list of"

" numbers separated by commas.");

/* Logging stuff */

#define __message(level, fmt, args...) \

printk(level "%s: " fmt "\n" , NAME , ## args)

There are no code files for the following chapters:

Chapter 1 - Getting Started with Python and the Raspberry Pi Zero
Chapter 2 - Arithmetic Operations, Loops, and Blinky Lights
Chapter 3 - Conditional Statements, Functions, and Lists
Chapter 4 - Communication Interfaces
Chapter 5 - Data Types and Object-Oriented Programming in Python

Software and hardware requirements:

Chapter 1:

Software: Python 3.x, IDLE3, SD Formatter (Windows), Raspbian OS (latest version) Hardware: Raspberry Pi Zero with headers soldered, Keyboard, mouse, display cables etc.

Chapter 2:

Software:Raspbian OS installed on the software etc, Python3.x, IDLE3 (Comes installed by default). Hardware:Raspberry Pi Zero with headers soldered, resistors, Red LED, Powerswitchtail ii (optional:http://www.powerswitchtail.com/Pages/default.aspx)

Chapter 3:

Software: Raspbian OS installed on the software etc, Python3.x, IDLE3 (Comes installed by default). Hardware: Tactile push buttons (https://www.adafruit.com/products/1400), Motor control board of your choice (https://www.pololu.com/product/2753), DC motors of your choice.

Chapter 11: Software: (On a Windows environment): Putty (http://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html), WinSCP (https://winscp.net/eng/download.php), git for windows, text editor like Notepad++ etc.

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