Raspberry Pi User Guide

Options 101 9 About raspi-config 105 CHAPTER 7 Advanced Raspberry Pi Configuration 107 Editing Configuration Files via NOOBS 108 Hardware Settings--configtxt 110 Modifying the Display 111 Boot Options 114 Overclocking the Raspberry Pi 114 Disabling L2 Cache 118 Enabling Test Mode 119 Memory Partitioning 119 Software Settings--cmdlinetxt 120 Part II: Building a Media Centre, Productivity Machine or Web Server CHAPTER 8 The Pi as a Home Theatre PC 125 Playing Music at the Console 126 Dedicated HTPC with Raspbmc 128 Streaming Internet Media 129 Streaming Local Network Media 131 Configuring Raspbmc 133 CHAPTER 9 The Pi as a Productivity Machine 135 Using Cloud-Based Apps 136 Using LibreOffice 139 Image Editing with The Gimp 141 CHAPTER 10 The Pi as a Web Server 145 Installing a LAMP Stack 146 Installing WordPress 150 Part III: Programming with the Raspberry Pi CHAPTER 11 An Introduction to Scratch 157 Introducing Scratch 158 Example 1: Hello World 159 Example 2: Animation and Sound 162 Example 3: A Simple Game 165 Robotics and Sensors 171 Sensing with the PicoBoard 171 Robotics with LEGO 171 Further Reading 172 CHAPTER 12 An Introduction to Python 173 Introducing Python 174 Example 1: Hello World 174 Example 2: Comments, Inputs, Variables and Loops 180 Example 3: Gaming with pygame 184 Example 4: Python and Networking 193 Further Reading 199 Part IV: Hardware Hacking CHAPTER 13 Learning to Hack Hardware 203 Electronic Equipment 204 Reading Resistor Colour Codes 206 Sourcing Components 208 Online Sources 208 Offline Sources 209 Hobby Specialists 209 Moving Up From the Breadboard 210 A Brief Guide to Soldering 213 CHAPTER 14 The GPIO Port 219 Identifying Your Board Revision 220 GPIO Pinout Diagrams 220 GPIO Features 222 UART Serial Bus 222 I2C Bus 223 SPI Bus 223 Using the GPIO Port in Python 223 GPIO Output: Flashing an LED 224 GPIO Input: Reading a Button 228 CHAPTER 15 The Raspberry Pi Camera Module 233 Why Use the Camera Module? 234 Installing the Camera Module 235 Enabling Camera Mode 238 Capturing Stills 239 Recording Video 242 Command-Line Time-Lapse Photography 243 CHAPTER 16 Add-on Boards 249 Ciseco Slice of Pi 250 Adafruit Prototyping Pi Plate 254 Fen Logic Gertboard 257 Part V: Appendixes APPENDIX A Python Recipes 265 Raspberry Snake (Chapter 12, Example 3) 266 IRC User List (Chapter 12, Example 4) 268 GPIO Input and Output (Chapter 14)270 APPENDIX B Camera Module Quick Reference 271 Shared Options 272 Raspistill Options 275 Raspivid Options 276 Raspiyuv Options 276 APPENDIX C HDMI Display Modes 277 Index 283