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Raspberry Pi cookbook for Python programmers

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Raspberry Pi cookbook for Python programmers

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Raspberry Pi cookbook for Python programmers
Apr, 2014 | 402 pages
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Table of Contents (18 chapters)
Raspberry Pi Cookbook for Python Programmers
Raspberry Pi Cookbook for Python Programmers
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started with a Raspberry Pi Computer
Getting Started with a Raspberry Pi Computer
Introduction
Connecting the Raspberry Pi
Using NOOBS to set up your Raspberry Pi SD card
Networking and connecting your Raspberry Pi to the Internet via the LAN connector
Configuring your network manually
Networking directly to a laptop or computer
Networking and connecting your Raspberry Pi to the Internet via a USB Wi-Fi dongle
Connecting to the Internet through a proxy server
Connecting remotely to the Raspberry Pi over the network using VNC
Connecting remotely to the Raspberry Pi over the network using SSH (and X11 Forwarding)
Sharing the home folder of the Raspberry Pi with SMB
Keeping the Raspberry Pi up to date
2
Starting with Python Strings, Files, and Menus
Starting with Python Strings, Files, and Menus
Introduction
Working with text and strings
Using files and handling errors
Creating a boot-up menu
Creating a self-defining menu
3
Using Python for Automation and Productivity
Using Python for Automation and Productivity
Introduction
Using Tkinter to create graphical user interfaces
Creating a graphical application Start menu
Displaying photo information in an application
Organizing your photos automatically
4
Creating Games and Graphics
Creating Games and Graphics
Introduction
Using IDLE3 to debug your programs
Drawing lines using a mouse on Tkinter Canvas
Creating a bat and ball game
Creating an overhead scrolling game
5
Creating 3D Graphics
Creating 3D Graphics
Introduction
Starting with 3D coordinates and vertices
Creating and importing 3D models
Creating a 3D world to roam in
Building 3D maps and mazes
6
Using Python to Drive Hardware
Using Python to Drive Hardware
Introduction
Controlling an LED
Responding to a button
A controlled shutdown button
The GPIO keypad input
Multiplexed color LEDs
7
Sense and Display Real-world Data
Sense and Display Real-world Data
Introduction
Using devices with the IC bus
Reading analog data using an analog-to-digital converter
Logging and plotting data
Extending the Raspberry Pi GPIO with an I/O expander
Sensing and sending data to online services
8
Creating Projects with the Raspberry Pi Camera Module
Creating Projects with the Raspberry Pi Camera Module
Introduction
Getting started with the Raspberry Pi camera module
Using the camera with Python
Generating a time-lapse video
Creating a stop frame animation
Making a QR code reader
9
Building Robots
Building Robots
Introduction
Building a Rover-Pi robot with forward driving motors
Using advanced motor control
Building a six-legged Pi-Bug robot
Avoiding objects and obstacles
Getting a sense of direction
10
Interfacing with Technology
Interfacing with Technology
Introduction
Automating your home with remote sockets
Using SPI to control an LED matrix
Communicating using a serial interface
Controlling the Raspberry Pi over Bluetooth
Controlling USB devices
Hardware and Software List
Hardware and Software List
Introduction
General component sources
Hardware list
Software list
Index
Index

Introduction

One of the key features of a Raspberry Pi computer that sets it apart from most other home/office computers is that it has the ability to directly interface with other hardware. The hardware General Purpose Input/Output (GPIO) pins on the Raspberry Pi can control a wide range of low-level electronics, from Light Emitting Diodes (LEDs) to switches, sensors, motors, servos, and even extra displays.

This chapter will focus on connecting the Raspberry Pi with some simple circuits and getting to grips with using Python to control and respond to the connected components.

The Raspberry Pi hardware interface consists of 26 pins (P1) located to the side of the analog video connector.

Note

The Model B Rev 2 version of the board (and Model A) also includes a secondary set of eight holes (P5) located next to P1. If an additional connector is soldered in place, it will be able to provide four additional GPIO pins (see Relocating to the P5 header in the A controlled shutdown button recipe for...

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