Table of Contents

1. Preface
   1. What this book covers
   2. What you need for this book
   3. Who this book is for
   4. Conventions
   5. Reader feedback
   6. Customer support
      1. Downloading the example code
      2. Downloading the color images of this book
      3. Errata
      4. Piracy
      5. Questions
1. Getting Started with Python and the Raspberry Pi Zero
   1. Let's get started!
      1. Things needed for this book
         1. Buying the Raspberry Pi Zero
   2. Introduction to the Raspberry Pi Zero
      1. The features of the Raspberry Pi Zero
   3. The setup of the Raspberry Pi Zero
      1. Soldering the GPIO headers
         1. Enclosure for the Raspberry Pi Zero
      2. OS setup for the Raspberry Pi
         1. micro SD card preparation
   4. Let's learn Python!
   5. The Hello World example
      1. Setting up your Raspberry Pi Zero for Python programming
         1. IDLE's interactive tool
         2. The text editor approach
         3. Launching the Python interpreter via the Linux Terminal
         4. Executing Python scripts using the Linux Terminal
         5. The print() function
         6. The help() function
   6. Summary
2. Arithmetic Operations, Loops, and Blinky Lights
   1. Hardware required for this chapter
   2. Arithmetic operations
   3. Bitwise operators in Python
   4. Logical operators
   5. Data types and variables in Python
   6. Reading inputs from the user
      1. The formatted string output
         1. The str.format() method
         2. An exercise for the reader
         3. Another exercise for the reader
      2. Concatenating strings
   7. Loops in Python
      1. A for loop
         1. Indentation
            1. Nested loops
      2. A while loop
   8. Raspberry Pi's GPIO
      1. Blinky lights
         1. Code
      2. The applications of GPIO control
   9. Summary
3. Conditional Statements, Functions, and Lists
   1. Conditional statements
      1. An if-else statement
      2. if-elif-else statement
         1. Breaking out of loops
      3. The applications of conditional statements: executing tasks using GPIO
         1. Breaking out a loop by counting button presses
   2. Functions in Python
      1. Passing arguments to a function:
      2. Returning values from a function
      3. The scope of variables in a function
      4. GPIO callback functions
         1. DC motor control in Python
   3. Some mini-project challenges for the reader
   4. Summary
4. Communication Interfaces
   1. UART - serial port
      1. Raspberry Pi Zero's UART port
         1. Setting up the Raspberry Pi Zero serial port
      2. Example 1 - interfacing a carbon dioxide sensor to the Raspberry Pi
      3. Python code for serial port communication
      4. I2C communication
      5. Example 2 - PiGlow
      6. Installing libraries
         1. Example
      7. Example 3 - Sensorian add-on hardware for the Raspberry Pi
         1. I2C drivers for the lux sensor
            1. Challenge
   2. The SPI interface
      1. Example 4 - writing to external memory chip
         1. Challenge to the reader
   3. Summary
5. Data Types and Object-Oriented Programming in Python
   1. Lists
      1. Operations that could be performed on a list
         1. Append element to list:
         2. Remove element from list:
         3. Retrieving the index of an element
         4. Popping an element from the list
         5. Counting the instances of an element:
         6. Inserting element at a specific position:
            1. Challenge to the reader
         7. Extending a list
         8. Clearing the elements of a list
         9. Sorting the elements of a list
         10. Reverse the order of elements in list
         11. Create copies of a list
         12. Accessing list elements
             1. Accessing a set of elements within a list
         13. List membership
      2. Let's build a simple game!
   2. Dictionaries
   3. Tuples
   4. Sets
   5. OOP in Python
      1. Revisiting the student ID card example
         1. Class
         2. Adding methods to a class
         3. Doc strings in Python
         4. self
   6. Speaker controller
      1. Light control daemon
   7. Summary
6. File I/O and Python Utilities
   1. File I/O
      1. Reading from a file
         1. Reading lines
      2. Writing to a file
      3. Appending to a file
         1. seek
         2. Read n bytes
         3. r+
            1. Challenge to the reader
      4. The with keyword
      5. configparser
         1. Challenge to the reader
      6. Reading/writing to CSV files
         1. Writing to CSV files
         2. Reading from CSV files
   2. Python utilities
      1. The os module
         1. Checking a file's existence
         2. Checking for a folder's existence
         3. Deleting files
         4. Killing a process
         5. Monitoring a process
      2. The glob module
         1. Challenge to the reader
      3. The shutil module
      4. The subprocess module
      5. The sys module
   3. Summary
7. Requests and Web Frameworks
   1. The try/except keywords
      1. try...except...else
      2. try...except...else...finally
   2. Connecting to the Internet - web requests
      1. The application of requests - retrieving weather information
      2. The application of requests - publishing events to the Internet
   3. Flask web framework
      1. Installing Flask
      2. Building our first example
      3. Controlling appliances using the Flask framework
   4. Summary
8. Awesome Things You Could Develop Using Python
   1. Image processing using a Raspberry Pi Zero
      1. OpenCV
         1. The verification of the installation
            1. A challenge to the reader
      2. Installing the camera to the Raspberry Zero
   2. Speech recognition
   3. Automating routing tasks
   4. Improving daily commute
      1. A challenge to the reader
      2. Project challenge
   5. Improving your vocabulary
      1. A challenge to the reader
      2. Project challenge
   6. Logging
   7. Threading in Python
   8. PEP8 style guide for Python
      1. Verifying PEP8 guidelines
   9. Summary
9. Lets Build a Robot!
   1. Components of the robot
   2. Setting up remote login
      1. Changing the password
      2. Enabling SSH access
   3. Chassis setup
      1. Motor driver and motor selection
   4. Preparing the motor driver circuit
   5. Raspberry Pi Zero and motor driver assembly
      1. Raspberry Pi Zero and motor driver assembly
      2. Robot Power supply setup
      3. Setting up the motor power supply
         1. Using the Raspberry Pi Zero's 5V power supply
         2. Using an external power supply
      4. Testing the motors
         1. Motor driver detection
         2. Detecting motor driver
      5. Motor test
         1. Dependencies
   6. Camera setup
      1. Verification of camera function
   7. The web interface
   8. Camera setup for the web interface
   9. Buttons for robot control
   10. Troubleshooting tips
   11. Project enhancements
   12. Summary
10. Home Automation Using the Raspberry Pi Zero
    1. Voice activated personal assistant
       1. Installing requisite packages
       2. How does it work?
       3. Setting up the audio tools
          1. Connecting the speaker
       4. Connecting the microphone
       5. Houndify
       6. Building voice commands
          1. Adding a button
    2. Web framework based appliance control/dashboard
       1. Building the web dashboard
    3. Personal Health Improvement—Sitting is the new smoking
       1. Installing requisite software packages
          1. Getting access keys for Fitbit client
       2. Fitbit API Test
          1. Building the visual aid
    4. Smart lawn sprinkler
    5. Summary
11. Tips and Tricks
    1. Change your Raspberry Pi's password
       1. Updating your OS
    2. Setting up your development environment
       1. SSH access via Windows
       2. SSH access via Linux/macOS
       3. Transferring files to/from your Pi
          1. WinSCP
          2. Mac/Linux environment
       4. Git
       5. Command-line text editors
       6. Graphical text editors
       7. SSH aliases (on Mac/Linux Terminals)
       8. Saving SSH sessions on PuTTY
    3. VNC access to Raspberry Pi
       1. The RUN switch of the Raspberry Pi Zero board
       2. GPIO pin mapping
          1. Stackable breadboard
    4. Summary