Raspberry Pi Cookbook: Software and Hardware Problems and Solutions, 4th Edition
- Length: 650 pages
- Edition: 4
- Language: English
- Publisher: O'Reilly Media
- Publication Date: 2023-01-24
- ISBN-10: 1098130928
- ISBN-13: 9781098130923
- Sales Rank: #1421195 (See Top 100 Books)
If you’ve started to work with Raspberry Pi, you know that Raspberry Pi’s capabilities are continually expanding. The fourth edition of this popular cookbook provides more than 200 hands-on recipes (complete with code) that show you how to run this tiny low-cost computer with Linux, program it with Python, hook it up to sensors and motors, and use it with the internet of things (IoT). This new edition includes new chapters on the Raspberry Pi Pico and machine learning with the Raspberry Pi.
These easy-to-use recipes will show you, step-by-step, how to:
- Set up your Raspberry Pi and connect to a network
- Work with its Linux-based operating system
- Program your Raspberry Pi with Python
- Give your Pi “eyes” with computer vision
- Recognize objects from video and sounds using machine learning
- Control hardware through the GPIO connector
- Use your Raspberry Pi to run different types of motors
- Work with switches, keypads, and other digital inputs
- Use sensors to measure temperature, light, and distance
- Connect to IoT devices in various ways and automate your home
- Use the Raspberry Pi Pico microcontroller board with your Raspberry Pi
Preface to the Fourth Edition Using This Book Conventions Used in This Book Using Code Examples O’Reilly Online Learning How to Contact Us Acknowledgments 1. Setup and Management 1.0. Introduction 1.1. Selecting a Model of Raspberry Pi 1.2. Connecting the System 1.3. Enclosing a Raspberry Pi 1.4. Selecting a Power Supply 1.5. Selecting an Operating System 1.6. Installing an Operating System Using Raspberry Pi Imager 1.7. Booting Up Your Raspberry Pi for the First Time 1.8. Setting Up a Headless Raspberry Pi 1.9. Booting from a Real Hard Disk or USB Flash Drive 1.10. Connecting a DVI or VGA Monitor 1.11. Using a Composite Video Monitor/TV 1.12. Adjusting the Picture Size on Your Monitor 1.13. Maximizing Performance 1.14. Changing Your Password 1.15. Shutting Down Your Raspberry Pi 1.16. Installing the Raspberry Pi Camera Module 1.17. Using Bluetooth 2. Networking 2.0. Introduction 2.1. Connecting to a Wired Network 2.2. Finding Your IP Address 2.3. Setting a Static IP Address 2.4. Setting the Network Name of a Raspberry Pi 2.5. Setting Up a Wireless Connection 2.6. Connecting with a Console Lead 2.7. Controlling the Pi Remotely with SSH 2.8. Controlling the Pi Remotely with VNC 2.9. Using a Raspberry Pi for Network-Attached Storage 2.10. Setting Up a Network Printer 3. Operating System 3.0. Introduction 3.1. Browsing Files Graphically 3.2. Copying Files onto a USB Flash Drive 3.3. Starting a Terminal Session 3.4. Navigating the Filesystem Using a Terminal 3.5. Copying a File or Folder 3.6. Renaming a File or Folder 3.7. Editing a File 3.8. Viewing the Contents of a File 3.9. Creating a File Without Using an Editor 3.10. Creating a Directory 3.11. Deleting a File or Directory 3.12. Performing Tasks with Superuser Privileges 3.13. Understanding File Permissions 3.14. Changing File Permissions 3.15. Changing File Ownership 3.16. Making a Screen Capture 3.17. Installing Software with apt 3.18. Removing Software Installed with apt 3.19. Installing Python Packages with pip3 3.20. Fetching Files from the Command Line 3.21. Fetching Source Code with Git 3.22. Fetching This Book’s Accompanying Code 3.23. Running a Program Automatically on Startup 3.24. Running a Program Automatically as a Service 3.25. Running a Program Automatically at Regular Intervals 3.26. Finding a File 3.27. Using the Command-Line History 3.28. Monitoring Processor Activity 3.29. Working with File Archives 3.30. Listing Connected USB Devices 3.31. Redirecting Output from the Command Line to a File 3.32. Concatenating Files 3.33. Using Pipes 3.34. Hiding Output to the Terminal 3.35. Running Programs in the Background 3.36. Creating Command Aliases 3.37. Setting the Date and Time 3.38. Finding Out How Much Room You Have on the SD Card 3.39. Finding Out What Operating System Version You Are Running 3.40. Updating Raspberry Pi OS 4. Using Ready-Made Software 4.0. Introduction 4.1. Making a Media Center 4.2. Installing Recommended Software 4.3. Using Office Software 4.4. Running a Vintage Game Console Emulator 4.5. Turning Your Raspberry Pi into a Radio Transmitter 4.6. Editing Bitmap Images 4.7. Editing Vector Images 4.8. Using Bookshelf 4.9. Playing Internet Radio 4.10. Using Visual Studio Code 4.11. Controlling a Laser Cutter 5. Python Basics 5.0. Introduction 5.1. Deciding Between Python 2 and Python 3 5.2. Choosing a Python Editor 5.3. Editing Python Programs with Thonny 5.4. Editing Python Programs with Mu 5.5. Using the Python Console 5.6. Running Python Programs from the Terminal 5.7. Assigning Names to Values (Variables) 5.8. Displaying Output 5.9. Reading User Input 5.10. Using Arithmetic Operators 5.11. Creating Strings 5.12. Concatenating (Joining) Strings 5.13. Converting Numbers into Strings 5.14. Converting Strings into Numbers 5.15. Finding the Length of a String 5.16. Finding the Position of One String Within Another 5.17. Extracting Part of a String 5.18. Replacing One String of Characters with Another Within a String 5.19. Converting a String to Uppercase or Lowercase 5.20. Running Commands Conditionally (if) 5.21. Comparing Values 5.22. Using Logical Operators 5.23. Repeating Instructions an Exact Number of Times 5.24. Repeating Instructions Until Some Condition Changes 5.25. Breaking Out of a Loop 5.26. Defining a Function in Python 6. Python Lists and Dictionaries 6.0. Introduction 6.1. Creating a List 6.2. Accessing Elements of a List 6.3. Finding the Length of a List 6.4. Adding Elements to a List 6.5. Removing Elements from a List 6.6. Creating a List by Parsing a String 6.7. Iterating Over a List 6.8. Enumerating a List 6.9. Testing if Something Is in a List 6.10. Sorting a List 6.11. Cutting Up a List 6.12. Using Comprehensions 6.13. Creating a Dictionary 6.14. Accessing a Dictionary 6.15. Removing Entries from a Dictionary 6.16. Iterating Over Dictionaries 7. Advanced Python 7.0. Introduction 7.1. Formatting Numbers 7.2. Formatting Dates and Times 7.3. Returning More Than One Value 7.4. Defining a Class 7.5. Defining a Method 7.6. Inheritance 7.7. Writing to a File 7.8. Reading from a File 7.9. Using Pickling to Save and Load Data in a File 7.10. Handling Exceptions 7.11. Using Modules 7.12. Generating Random Numbers 7.13. Making Web Requests from Python 7.14. Specifying Command-Line Arguments in Python 7.15. Running Linux Commands from Python 7.16. Sending Email from Python 7.17. Writing a Simple Web Server in Python 7.18. Doing Nothing in Python 7.19. Doing More Than One Thing at a Time 7.20. Parsing JSON Data 7.21. Saving Dictionaries as JSON Files 7.22. Creating User Interfaces 7.23. Using Regular Expressions to Search for Patterns in Text 7.24. Using Regular Expressions to Validate Data Entry 7.25. Using Regular Expressions for Web Scraping 8. Computer Vision 8.0. Introduction 8.1. Installing OpenCV 8.2. Setting Up a USB Camera for Computer Vision 8.3. Using a Raspberry Pi Camera Module for Computer Vision 8.4. Counting Coins 8.5. Face Detection 8.6. Motion Detection 8.7. Extracting Text from an Image 9. Machine Learning 9.0. Introduction 9.1. Identifying Objects in Video with TensorFlow Lite 9.2. Reacting to Objects in Video with TensorFlow Lite 9.3. Identifying Sounds with TensorFlow Lite 9.4. Reacting to a Whistle with TensorFlow Lite 9.5. Installing Edge Impulse 9.6. Recognizing a Spoken Command (in the Cloud) 9.7. Recognizing a Spoken Command (Locally) 9.8. Responding to a Spoken Command in Python 10. Hardware Basics 10.0. Introduction 10.1. Finding Your Way Around the GPIO Connector 10.2. Using the GPIO Connector on a Raspberry Pi 400 10.3. Keeping Your Raspberry Pi Safe When Using the GPIO Connector 10.4. Setting Up I2C 10.5. Using I2C Tools 10.6. Setting Up SPI 10.7. Installing pySerial for Access to the Serial Port from Python 10.8. Installing Minicom to Test the Serial Port 10.9. Using a Breadboard with Jumper Leads 10.10. Using a Raspberry Squid 10.11. Using a Raspberry Squid Button 10.12. Converting 5V Signals to 3.3V with Two Resistors 10.13. Converting 5V Signals to 3.3V with a Level Converter Module 10.14. Powering a Raspberry Pi with a LiPo Battery 10.15. Getting Started with the Sense HAT 10.16. Getting Started with the Explorer HAT Pro 10.17. Making a HAT 10.18. Using the Raspberry Pi Zero 2 and Pi Zero 2 W 11. Controlling Hardware 11.0. Introduction 11.1. Connecting an LED 11.2. Leaving the GPIO Pins in a Safe State 11.3. Controlling the Brightness of an LED 11.4. Switching a High-Power DC Device Using a Transistor 11.5. Switching a High-Power Device Using a Relay 11.6. Switching Using a Solid-State Relay 11.7. Controlling High-Voltage AC Devices 11.8. Controlling Hardware with Android and Bluetooth 11.9. Making a User Interface to Turn Things On and Off 11.10. Making a User Interface to Control PWM Power for LEDs and Motors 11.11. Making a User Interface to Change the Color of an RGB LED 11.12. Using an Analog Meter as a Display 12. Motors 12.0. Introduction 12.1. Controlling Servomotors 12.2. Controlling Servomotors Precisely 12.3. Controlling Multiple Servomotors Precisely 12.4. Controlling the Speed of a DC Motor 12.5. Controlling the Direction of a DC Motor 12.6. Using a Unipolar Stepper Motor 12.7. Using a Bipolar Stepper Motor 12.8. Using a Stepper Motor HAT to Drive a Bipolar Stepper Motor 13. Digital Inputs 13.0. Introduction 13.1. Connecting a Push Switch 13.2. Toggling with a Push Switch 13.3. Using a Two-Position Toggle or Slide Switch 13.4. Using a Center-Off Toggle or Slide Switch 13.5. Debouncing a Button Press 13.6. Using an External Pull-Up Resistor 13.7. Using a Rotary (Quadrature) Encoder 13.8. Using a Keypad 13.9. Detecting Movement 13.10. Adding GPS to the Raspberry Pi 13.11. Intercepting Keypresses 13.12. Intercepting Mouse Movements 13.13. Giving the Raspberry Pi a Reset Button 14. Sensors 14.0. Introduction 14.1. Using Resistive Sensors 14.2. Measuring Light 14.3. Measuring Temperature with a Thermistor 14.4. Detecting Methane 14.5. Measuring Air Quality (CO2) 14.6. Measuring Soil Moisture 14.7. Measuring a Voltage 14.8. Reducing Voltages for Measurement 14.9. Using Resistive Sensors with an ADC 14.10. Measuring Temperature with an ADC 14.11. Measuring the Raspberry Pi CPU Temperature 14.12. Measuring Temperature, Humidity, and Pressure with a Sense HAT 14.13. Measuring Temperature Using a Digital Sensor 14.14. Measuring Acceleration with an MMA8452Q Module 14.15. Finding Magnetic North with the Sense HAT 14.16. Using the Inertial Measurement Unit of the Sense HAT 14.17. Sensing a Magnet with a Reed Switch 14.18. Sensing a Magnet with the Sense HAT 14.19. Measuring Distance Using Ultrasound 14.20. Measuring Distance Using a Time-of-Flight Sensor 14.21. Adding Touch Sensing to Your Raspberry Pi 14.22. Reading Smart Cards with an RFID Reader/Writer 14.23. Displaying Sensor Values 14.24. Logging to a USB Flash Drive 15. Displays 15.0. Introduction 15.1. Using a Four-Digit LED Display 15.2. Displaying Graphics on an I2C LED Matrix 15.3. Using the Sense HAT LED Matrix Display 15.4. Using an OLED Graphical Display 15.5. Using Addressable RGB LED Strips 15.6. Using the Pimoroni Unicorn HAT 15.7. Using an ePaper Display 16. Sound 16.0. Introduction 16.1. Connecting a Loudspeaker 16.2. Controlling Where Sound Is Output 16.3. Playing Audio on a Raspberry Pi Without an Audio Socket 16.4. Playing Sound from the Command Line 16.5. Playing Sound from Python 16.6. Using a USB Microphone 16.7. Making a Buzzing Sound 17. The Internet of Things 17.0. Introduction 17.1. Controlling GPIO Outputs Using a Web Interface 17.2. Displaying Sensor Readings on a Web Page 17.3. Getting Started with Node-RED 17.4. Sending Email and Other Notifications with IFTTT 17.5. Sending Tweets Using ThingSpeak 17.6. Changing LED Color Using CheerLights 17.7. Sending Sensor Data to ThingSpeak 17.8. Responding to Tweets Using Dweet and IFTTT 18. Home Automation 18.0. Introduction 18.1. Making a Raspberry Pi into a Message Broker with Mosquitto 18.2. Using Node-RED with an MQTT Server 18.3. Flashing a Sonoff WiFi Smart Switch for MQTT Use 18.4. Configuring a Sonoff WiFi Smart Switch 18.5. Using Sonoff Web Switches with MQTT 18.6. Using Flashed Sonoff Switches with Node-RED 18.7. Turning Things On and Off Using the Node-RED Dashboard 18.8. Scheduling Events with Node-RED 18.9. Publishing MQTT Messages from a Wemos D1 18.10. Using a Wemos D1 with Node-RED 19. Raspberry Pi Pico and Pico W 19.0. Introduction 19.1. Connecting a Pico or Pico W to a Computer 19.2. Using the Python Shell on a Pico 19.3. Using a Pico with a Breadboard 19.4. Using Digital Outputs on a Pico 19.5. Using Digital Inputs on a Pico 19.6. Using Analog (PWM) Outputs on a Pico 19.7. Using Analog Inputs on a Pico 19.8. Controlling a Servomotor from a Pico 19.9. Using the Pico and Pico W’s Filesystem 19.10. Making Use of the Second Core 19.11. Running a WiFi Web Server on the Pico W 19.12. Using Pico-Compatible Boards 19.13. Using the Pico on Batteries A. Parts and Suppliers Parts Prototyping Equipment and Kits Resistors and Capacitors Transistors and Diodes Integrated Circuits OptoElectronics Modules Miscellaneous B. Raspberry Pi Pinouts Raspberry Pi 400/4/3/2 Model B, B+, A+, Zero Raspberry Pi Model B revision 2, A Raspberry Pi Model B revision 1 Raspberry Pi Pico Index
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