Index

A

• Adafruit / I2C bus and level shifting
• advanced motor control
  • using / Using advanced motor control, There's more...
  • reference / Getting ready
  • working / How it works...
  • PWM control, using / Motor speed control using PWM control
  • I/O expanders, using / Using I/O expanders
• AirPi Air
  • reference / See also
• analog-to-digital converters (ADCs)
  • about / Introduction
  • used, for reading analog data / Reading analog data using an analog-to-digital converter, How to do it..., How it works...
• analog data
  • reading, analog-to-digital converter used / Reading analog data using an analog-to-digital converter
  • analog-to-digital converter / How to do it..., How it works...
  • gathering, without hardware / Gathering analog data without hardware
• Analogue / How to do it...
• anticlockwise/counterclockwise (ACW) / The Pi-Bug code for walking
• Auto-MDIX (Automatic Medium-Dependent Interface Crossover) / Getting ready

B

• back EMF / Darlington array circuits
• bag-of-words model
  • building / Building a bag-of-words model, How to do it...
• bat and ball game
  • creating / Creating a bat and ball game, How to do it..., How it works...
• binary blob / How it works...
• Blender
  • reference / Creating or loading your own objects
• Bluetooth
  • module settings, configuring / Configuring Bluetooth module settings
  • reference / Configuring Bluetooth module settings
• Bonjour Installer
  • reference / There's more...
• Building module / Building 3D maps and mazes, The Building module
• built-in Wi-Fi and bluetooth
  • using, on Raspberry Pi / Using built-in Wi-Fi and Bluetooth on Raspberry Pi
  • Wi-Fi network, connecting / Connecting to your Wi-Fi network
  • devices, connecting / Connecting to Bluetooth devices
• button
  • responding to / Responding to a button, How to do it...

C

• CAT6 Ethernet cable
  • used, for connecting via an Ethernet port / Networking and connecting your Raspberry Pi to the internet via an Ethernet port, using a CAT6 Ethernet cable
• chunking
  • used, for dividing text / Dividing text using chunking
• classes / Introduction
• compute module / The Raspberry Pi family – a brief history of Pi
• constructor / How it works...
• continuous servo / Controlling the servos
• controlled shutdown button
  • about / A controlled shutdown button
  • using / How to do it...
  • working / How it works...
• corners
  • detecting, in images / Detecting corners in images
• cross-validation
  • used, for evaluating accuracy / Evaluating the accuracy using cross-validation

D

• 3D coordinates and vertices
  • using / Getting started with 3D coordinates and vertices, Getting ready, How it works..., There's more...
  • camera / Camera
  • shaders / Shaders
  • lights / Lights
  • textures / Textures
• 3D maps
  • building / Building 3D maps and mazes, How to do it..., How it works...
• 3D models
  • creating / Creating and importing 3D models, How it works...
  • importing / Creating and importing 3D models, How it works...
  • objects, creating / Creating or loading your own objects
  • objects, loading / Creating or loading your own objects
  • object's textures and .mtl files, changing / Changing the object's textures and .mtl files
  • screenshots, taking / Taking screenshots
• 3D world
  • creating / Creating a 3D world to explore, How it works...
• Darlington array module
  • about / Getting ready
  • reference / Getting ready
• data
  • logging / Logging and plotting data, How it works...
  • plotting / Logging and plotting data, How it works...
  • scaling / Scaling and calibrating data
  • calibrating / Scaling and calibrating data
  • capturing, in SQLite database / Capturing data in an SQLite database, How it works...
  • viewing, from webserver / Viewing data from your own webserver, How to do it..., How it works...
• data pre-processing
  • tokenization, using / Pre-processing data using tokenization
• dataset
  • splitting, for training and testing / Splitting the dataset for training and testing, How to do it...
  • similar users, finding / Finding similar users in the dataset, See also
• devices
  • using, with I2C bus / Using devices with the I2C bus, Getting ready, How to do it..., How it works...
• device trees / Getting ready
• dilation / Erosion and dilation, How to do it...
• double-pole (DP) switch / Getting ready
• Double throw (DT) / Getting ready
• Dynamic Host Configuration Protocol (DHCP) / How to do it...

E

• edge detection
  • reference / See also
• edges
  • detecting, in images / Detecting edges in images, How to do it...
• erosin / Erosion and dilation, How to do it...
• Euclidean distance score computation
  • using / Computing the Euclidean distance score, How to do it...
  • working, reference / How it works...
  • reference / There's more...
• Exchangeable Image File Format (EXIF) / How it works...

F

• face detector application
  • building / Building a face detector application
• face recognition application
  • building / Building a face recognition application, How it works...
  • reference / How it works...
• face recognition system
  • application / Applications of a face recognition system
• field-effect transistor (MOSFETs) / Transistor and relay circuits
• File Allocation Table (FAT) partitions / Accessing the RECOVERY/BOOT partition
• forward driving motors
  • used, for building Rover-Pi robot / Building a Rover-Pi robot with forward driving motors
• Fritzing
  • reference / Getting ready
• fuze
  • reference / Generating other key combinations

G

• general-purpose input/output (GPIO) / Introduction
• GPIO keypad input
  • about / The GPIO keypad input
  • installing / Getting ready, How to do it...
  • working / How it works...
  • key combinations, generating / There's more...
• graphical application
  • creating / Creating a graphical application – Start menu, How it works..., There's more...
• graphical processing unit (GPU) / The Raspberry Pi family – a brief history of Pi, Introduction
• graphical user interfaces (GUIs)
  • about / Introduction
  • creating, Tkinter used / Using Tkinter to create graphical user interfaces, How it works...

H

• hardware attached on top (HAT) / Introduction
• hardware multiplexing / Multiplexed color LEDs
• hardware requirements, six-legged Pi-Bug robot
  • PWM driver module / Getting ready
  • three micro servos / Getting ready
  • heavy gauge wire / Getting ready
  • light gauge wire/cable ties / Getting ready
  • small section of plywood or fiberboard / Getting ready
• histogram equalization
  • using / Histogram equalization, How to do it…
• home
  • automating, with remotely controlled electrical sockets / Automating your home with remotely controlled electrical sockets, Getting ready, How it works...
• home folder
  • sharing, with Server Message Block (SMB) / Sharing the home folder of Raspberry Pi with SMB, How to do it...

I

• I-squared-C (I2C) bus
  • using, with devices / Using devices with the I2C bus, Getting ready, How to do it..., There's more...
  • multiple devices, using / Using multiple I2C devices
  • and level shifting / I2C bus and level shifting
  • PCF8591 chip, using / Using just the PCF8591 chip or adding alternative sensors
• I/O expander
  • used, for extending Raspberry Pi GPIO / Extending the Raspberry Pi GPIO with an I/O expander, How it works...
  • voltages and limits / I/O expander voltages and limits
  • own module, using / Using your own I/O expander module
  • LCD alphanumeric display, direct controlling / Directly controlling an LCD alphanumeric display
• IDLE3
  • used, for debugging programs / Using IDLE3 to debug your programs, How it works...
• images
  • displaying / Loading, displaying, and saving images
  • loading / Loading, displaying, and saving images
  • saving / Loading, displaying, and saving images
  • flipping / Image flipping, How to do it...
  • scaling / Image scaling, How to do it...
  • segmentation / Image segmentation, How to do it...
  • blurring / Blurring and sharpening images, How to do it...
  • sharpening / Blurring and sharpening images, How to do it...
  • edges, detecting / Detecting edges in images, How to do it..., How it works...
  • corners, detecting / Detecting corners in images, How to do it...
• infrared (IR) receiver / Using an infrared remote control with your Raspberry Pi
• infrared remote control
  • using, with Raspberry Pi / Using an infrared remote control with your Raspberry Pi, How to do it..., There's more...
• internet
  • connecting, through proxy server / Connecting to the internet through a proxy server, How to do it..., How it works...
• Internet Connection Sharing (ICS) / Networking directly to a laptop or computer
• Internet Service Provider (ISP) / Getting ready

J

• Joint Test Action Group (JTAG) / Secondary hardware connections

K

• key combinations
  • mouse events, emulating / Emulating mouse events

L

• latched push-button switch / Getting ready
• least significant bit (LSB) / How it works...
• LED
  • controlling / Controlling an LED, Getting ready, How it works..., There's more...
  • GPIO current, controlling / Controlling the GPIO current
• LED matrix
  • controlling, SPI used / Using SPI to control an LED matrix, Getting ready, How to do it..., How it works...
  • daisy-chain SPI configuration / Daisy-chain SPI configuration
• light-emitting diodes (LEDs) / Introduction
• Linux Reader
  • reference / Accessing the RECOVERY/BOOT partition
• live data
  • plotting / Plotting live data
• logistic regression
  • reference / How to do it...
• logistic regression classifier
  • using / Logistic regression classifier

M

• .mtl files
  • reference / Changing the object's textures and .mtl files
• machine code assembler / Why Python?
• MAG3110 registers
  • reference / How it works...
• manual network configuration
  • about / Configuring your network manually
  • steps / How to do it...
• mazes
  • building / Building 3D maps and mazes, How to do it..., How it works...
• messages
  • writing, persistence of vision (POV) used / Writing messages using persistence of vision, How to do it..., How it works...
• metal-oxide-semiconductor field-effect transistor (MOSFETs) / Transistor and relay circuits
• Midori / How to do it...
• momentary close / Getting ready
• most significant bit (MSB) / How it works...
• mouse
  • used, for drawing lines on Tkinter Canvas / Drawing lines using a mouse on Tkinter Canvas, How it works...
• movie recommendation module
  • developing / Developing a movie recommendation module
• movie recommendations / Introduction
• multiplexed color LEDs
  • using / Getting ready, How to do it...
  • working / How it works...
  • hardware multiplexing / Hardware multiplexing
  • random patterns, displaying / Displaying random patterns
  • multiple colors, mixing / Mixing multiple colors

N

• Naive Bayes classifier
  • building / Building a Naive Bayes classifier, See also
  • reference / See also
• neural networks
  • used, for building optical character recognizer / Building an optical character recognizer using neural networks, How it works...
• New Out Of Box System (NOOBS)
  • about / Getting ready
  • used, for setting up Raspberry Pi SD card / Using NOOBS to set up your Raspberry Pi SD card, How to do it..., There's more...
  • reference / Getting ready

O

• Object-Orientated Design (OOD) / There's more...
• objects
  • avoiding / Avoiding objects and obstacles
  • ultrasonic reversing sensors / Ultrasonic reversing sensors
• obstacles
  • avoiding / Avoiding objects and obstacles, How to do it..., How it works...
  • ultrasonic reversing sensors / Ultrasonic reversing sensors
• OCR system
  • applications / Applications of an OCR system
• on-the-go (OTG) / The Raspberry Pi family – a brief history of Pi
• online services
  • data, sensing / Sensing and sending data to online services, How to do it...
  • data, sending / Sensing and sending data to online services, How to do it...
  • working / How it works...
• OpenGL ES 2.0 / Introduction
• optical character recognizer
  • building, neural networks used / Building an optical character recognizer using neural networks, How it works...
• optical characters
  • visualizing / Visualizing optical characters, How to do it...
• overhead scrolling game
  • creating / Creating an overhead scrolling game, How to do it..., How it works...

P

• pattern identification, text
  • topic modeling, using / Identifying patterns in text using topic modeling, How to do it...
• PCF8591 chip
  • reference / Using just the PCF8591 chip or adding alternative sensors
• Pearson correlation score computation
  • using / Computing a Pearson correlation score, How to do it...
  • working, reference / How it works...
  • reference / There's more...
• persistence of vision (POV)
  • used, for writing messages / Writing messages using persistence of vision, How to do it..., How it works...
• photo information
  • displaying, in application / Displaying photo information in an application, How it works..., There's more...
• photos
  • organizing / Organizing your photos automatically, How it works...
• PHP MySQL
  • reference / Using MySQL instead
• Pi-Kitchen project
  • reference / There's more...
• pi3d
  • reference / Introduction
  • egg / Creating or loading your own objects
  • obj / Creating or loading your own objects
• PicoBorg / Transistor and relay circuits
• Pillow / Getting ready
• PINN Is Not NOOBS (PINN) / There's more...
• Portable Pixmap Format (PPM) / How it works...
• prescaler / The servo class
• programs
  • debugging, IDLE3 used / Using IDLE3 to debug your programs, How it works...
• protection resistors / Protection resistors
• proxy server
  • internet, connecting to / Connecting to the internet through a proxy server, There's more...
• pull-down resistor circuits / Pull-up and pull-down resistor circuits
• pull-up resistor circuits / Pull-up and pull-down resistor circuits
• pulse width modulated (PWM) / There's more...
• PuTTY
  • reference / How to do it...
• PyMySQL
  • reference / Using MySQL instead
• pyplot
  • reference / Logging and plotting data
• Python-uinput
  • reference / The GPIO keypad input
• Python dictionary / How to do it...
• Python Image Library (PIL) / Getting ready
• python package manager (pip) / Getting ready, Getting ready
• Python Software Foundation / Python 2 and Python 3

R

• radio frequency (RF) / Getting ready
• Raspberry Pi
  • about / Introducing Raspberry Pi, What's with the name?
  • Python, using / Why Python?
  • Python 2 / Python 2 and Python 3
  • Python 3 / Python 2 and Python 3
  • Python version, selecting /
  • overview / The Raspberry Pi family – a brief history of Pi
  • Model B / The Raspberry Pi family – a brief history of Pi
  • Model A / The Raspberry Pi family – a brief history of Pi
  • Pi Zero / The Raspberry Pi family – a brief history of Pi
  • reference / The Raspberry Pi family – a brief history of Pi
  • selecting / Which Pi to choose?
  • connecting to / Connecting to Raspberry Pi, How to do it..., There's more...
  • display, HDMI / How to do it...
  • analogue / How to do it...
  • Direct Display DSI / How to do it...
  • stereo analogue audio / How to do it...
  • network / How to do it...
  • Onboard Wi-Fi and Bluetooth / How to do it...
  • USB / How to do it...
  • micro USB power / How to do it...
  • secondary hardware connections / Secondary hardware connections
  • networking, to internet via Ethernet port using CAT6 Ethernet cable / Networking and connecting your Raspberry Pi to the internet via an Ethernet port, using a CAT6 Ethernet cable
  • connecting, to internet via Ethernet port using CAT6 Ethernet cable / Networking and connecting your Raspberry Pi to the internet via an Ethernet port, using a CAT6 Ethernet cable
  • built-in Wi-Fi and bluetooth, using / Using built-in Wi-Fi and Bluetooth on Raspberry Pi
  • connecting, to internet via USB Wi-Fi dongle / Networking and connecting your Raspberry Pi to the internet via a USB Wi-Fi dongle, How to do it..., There's more...
  • USB wired network adapters, using / Using USB wired network adapters
  • remote connection, over network using VNC / Connecting remotely to Raspberry Pi over the network using VNC, There's more...
  • remote connection, over network using SSH (and X11 forwarding / Connecting remotely to Raspberry Pi over the network using SSH (and X11 forwarding), How to do it..., How it works...
  • updating / Keeping Raspberry Pi up to date, There's more...
  • hardware interface / Introduction
  • speaker or headphone, using / Trying a speaker or headphone with Raspberry Pi
  • rebooting / Resetting and rebooting Raspberry Pi
  • resetting / Resetting and rebooting Raspberry Pi
  • extra functions, adding / Adding extra functions
  • infrared remote control, using / Using an infrared remote control with your Raspberry Pi, How to do it..., There's more...
  • controlling, Bluetooth used / Controlling Raspberry Pi using Bluetooth
• Raspberry Pi GPIO
  • extending, with I//O expander / Extending the Raspberry Pi GPIO with an I/O expander, How it works...
• Raspberry Pi LAN port
  • connecting, directly to laptop or computer / Networking directly to a laptop or computer, Getting ready, How to do it..., How it works..., Direct network link
  • direct network link / Direct network link
• Raspbian
  • reference / Preparing an SD card manually
• recommender systems
  • reference / See also
  • applications / Applications of recommender systems
• red, blue, and green (RGB) / Controlling an LED
• remotely controlled electrical socket
  • used, for home automation / Automating your home with remotely controlled electrical sockets, Getting ready, How it works...
  • RF control signals, sending / Sending RF control signals directly
  • RF transmitter range, extending / Extending the range of the RF transmitter
  • remote control codes structure, determining / Determining the structure of the remote control codes
• REpresentational State Transfer (REST) / Sensing and sending data to online services
• requisites, manual network configuration
  • IPv4 address / Getting ready
  • subnet mask / Getting ready
  • default gateway address / Getting ready
  • Domain Name Service (DNS) server / Getting ready
• RGB LED module
  • reference / Getting ready
• Rover-Pi robot
  • building, with forward driving motors / Building a Rover-Pi robot with forward driving motors, Getting ready, How to do it..., How it works..., Rover kits
  • chassis / Getting ready
  • front skid or caste / Getting ready
  • wheels, motors and gears / Getting ready
  • battery/power source / Getting ready
  • motor driver/controller / Getting ready
  • small cable ties or wire ties / Getting ready
  • Raspberry Pi connection / Getting ready
  • Darlington array circuits / Darlington array circuits
  • transistor / Transistor and relay circuits
  • relay circuits / Transistor and relay circuits
  • tethered robots / Tethered or untethered robots
  • untethered robots / Tethered or untethered robots
  • Rover kits / Rover kits
• rover chassis
  • reference / Rover kits

S

• safe voltages / Safe voltages
• SD card, setting up
  • NOOBS, using / Using NOOBS to set up your Raspberry Pi SD card
  • default user password, changing / Changing the default user password
  • data corruption, avoiding / Ensuring that you shut down safely
  • manual preparation / Preparing an SD card manually
  • system, expanding / Expanding the system to fit in your SD card
  • RECOVERY/BOOT partition, accessing / Accessing the RECOVERY/BOOT partition
  • tools, used for backup / Using the tools to back up your SD card in case of failure
• sense of direction
  • obtaining / Getting a sense of direction, How it works...
  • compass, calibrating / Calibrating the compass
  • compass bearing, calculating / Calculating the compass bearing
  • calibration, saving / Saving the calibration
  • robot, driving with compass / Driving the robot using the compass
• sentence sentiment
  • analyzing / Analyzing the sentiment of a sentence
• sentiment analysis
  • reference / How to do it...
  • applications / Applications of sentiment analysis
• serial interface
  • used, for communication / Communicating using a serial interface, Getting ready, How to do it..., There's more...
  • USB-to-RS232 device, configuring / Configuring a USB-to-RS232 device for Raspberry Pi
  • RS232 signals and connections / RS232 signals and connections
  • GPIO built-in serial pins, using / Using the GPIO built-in serial pins
  • RS232 loopback / The RS232 loopback
• Serial Peripheral Interface (SPI)
  • used, for controlling LED matrix / Using SPI to control an LED matrix, Getting ready, How to do it..., How it works...
• Serial Port Profile (SPP) / Controlling Raspberry Pi using Bluetooth
• Server Message Block (SMB)
  • used, for sharing home folder / Sharing the home folder of Raspberry Pi with SMB, How to do it...
• service set identifier (SSID) / Getting ready
• ServoBlaster
  • used, for controlling servos / Controlling servos directly with ServoBlaster, Getting ready, How it works...
• shaders / How it works...
• signals, SPI
  • SCLK / Using SPI to control an LED matrix
  • CE / Using SPI to control an LED matrix
  • Master Output, Slave Input (MOSI) / Using SPI to control an LED matrix
  • Master Input, Slave Output (MISO) / Using SPI to control an LED matrix
• single-pole, single-throw (SPST) / Getting ready
• Single throw (ST) / Getting ready
• six-legged Pi-Bug robot
  • building / Building a six-legged Pi-Bug robot, How to do it...
  • hardware requisites / Getting ready
  • servos, controlling / Controlling the servos
  • servo class / The servo class
  • walk feature, adding / Learning to walk
  • Pi-Bug code, for walking / The Pi-Bug code for walking
• SolidObjects
  • used, for collision detection / Using SolidObjects to detect collisions
• SQLite database
  • data, capturing / Capturing data in an SQLite database, How it works...
  • CREATE command / The CREATE TABLE command
  • INSERT command / The INSERT command
  • SELECT command / The SELECT command
  • WHERE command / The WHERE command
  • UPDATE command / The UPDATE command
  • DELETE command / The DELETE command
  • DROP command / The DROP command
• SSH (and X11 forwarding)
  • used, for establishing remote connection to Raspberry Pi / Connecting remotely to Raspberry Pi over the network using SSH (and X11 forwarding), How to do it..., How it works...
• Static IP DHCP address / There's more...
• Structured Query Language (SQL) / Capturing data in an SQLite database
• System-on-Chip (SoC) solution / Introduction

T

• term frequency-inverse document frequency (tf-idf) / Building a text classifier
• tetrahedron / How it works...
• text
  • dividing, chunking used / Dividing text using chunking, How to do it...
• text classifiers
  • building / Building a text classifier, How it works...
  • applications / Applications of text classifiers
• text data
  • stemming / Stemming text data
• textures / How it works...
• TiddlyBot
  • reference / Rover kits
• Tkinter
  • about / Introduction
  • used, for creating graphical user interfaces / Using Tkinter to create graphical user interfaces
  • graphical user interfaces / How it works...
• Tkinter Canvas
  • lines, drawing with mouse / Drawing lines using a mouse on Tkinter Canvas, How it works...
• tokenization
  • used, for pre-processing data / Pre-processing data using tokenization
• topic modeling
  • used, for pattern identification in text / Identifying patterns in text using topic modeling, How to do it...

U

• Universal Serial Bus (USB) devices
  • controlling / Controlling USB devices, How to do it..., How it works...
• USB
  • missile-type devices, controlling / Controlling similar missile-type devices
  • robot arm / Robot arm
  • control / Taking USB control further
• USB messages
  • parts / How it works...
• USB Wi-Fi dongle
  • used, for connecting Raspberry Pi / Networking and connecting your Raspberry Pi to the internet via a USB Wi-Fi dongle, How to do it..., There's more...

V

• VideoCore IV GPU / Introduction
• VNC Viewer
  • used, for connecting remotely to Raspberry Pi / Connecting remotely to Raspberry Pi over the network using VNC, There's more...
  • reference / How to do it...

W

• webserver
  • data, viewing / Viewing data from your own webserver, How to do it..., How it works...
  • security / Security
  • MySQL instead, using / Using MySQL instead
• Wheatstone bridge / Using just the PCF8591 chip or adding alternative sensors
• Wi-Fi adapters
  • reference / Getting ready
• widgets / Introduction
• Win32 Disk Imager / Using the tools to back up your SD card in case of failure
• WiringPi2 Python library / Getting ready

X

• X11 forwarding
  • used, for executing multiple programs / Running multiple programs with X11 forwarding
  • desktop, executing through / Running as a desktop with X11 forwarding
  • used, for Tkinter execution / Running Pygame and Tkinter with X11 forwarding
  • used, for Pygame execution / Running Pygame and Tkinter with X11 forwarding
  • about / Getting ready
• Xively
  • reference / Getting ready
• xively-python library
  • reference / Sensing and sending data to online services
• XLoBorg module / Getting ready
• Xming
  • reference / How to do it...
• X server / Getting ready