Learn Electronics with Arduino.pdf

TECHnoLogY in ACTion ™

Learn

Electronics

with Arduino

Learn eLectronics concepts whiLe

buiLding practicaL devices and cooL

toys with arduino.

Don Wilcher

For your convenience Apress has placed some of the front

matter material after the index. Please use the Bookmarks

and Contents at a Glance links to access them.

Contents at a Glance

Foreword ..................................................................................................................... xiii

About the Author ......................................................................................................... xv

About the Technical Reviewer .................................................................................... xvii

Acknowledgments ....................................................................................................... xix

Introduction ................................................................................................................. xxi

■

Chapter 1: Electronic Singing Bird

.............................................................................. 1

■

Chapter 2: Mini Digital Roulette Games

..................................................................... 27

■

Chapter 3: An Interactive Light Sequencer Device

.................................................... 51

■

Chapter 4: Physical Computing and DC Motor Control

.............................................. 69

■

Chapter 5: Motion Control with an Arduino: Servo and Stepper

Motor Controls ......................................................................................... 89

■

Chapter 6: The Music Box

........................................................................................ 119

■

Chapter 7: Fun with Haptics

.................................................................................... 149

■

Chapter 8: LCDs and the Arduino

............................................................................. 179

■

Chapter 9: A Logic Checker

..................................................................................... 205

■

Chapter 10: Man, It’s Hot: Temperature Measurement and Control

......................... 227

Index........................................................................................................................... 251

Introduction

Have you ever wondered how electronic products are created? Do you have an idea for a new electronic gadget

but no way of testing the feasibility of the device? Have you accumulated a junk box of electronic parts and

now wonder what to build with them? Well, this book will answer all your questions about discovering cool

and innovative applications for electronic gadgets using the Arduino. he book makes use of the Arduino

plus discrete, integrated circuit components and solderless breadboards. Multisim software is used for circuit

simulation and design equations.

Who Should Read This Book?

his book is for anyone interested in building cool Arduino electronic gadgets using simple prototyping

techniques.

How This Book Is Structured

he chapters in this book are organized in such a way that the reader can choose to jump around the projects and

discovery labs. Each chapter gives an introduction to the relevant key electronics components and supporting

technologies. Also, each chapter explains the basic theory of operation of the electronic circuits with detailed

circuit schematic diagrams. Build instructions with troubleshooting tips are included to help you detect and

x hardware/software bugs for each project. Last but not least, each chapter zooms in on a specic aspect of

electronics technology followed by several semiconductor device-specic experiments. he experiments will

help you understand the semiconductor device’s electrical behavior as well as the setup of basic electronic test

equipment and the Arduino software IDE tool via sketches.

You’ll be introduced to circuit analysis techniques and the Discovery Method, which ofers suggestions for

further fun ways of learning about electronics technology. he goal of these hands-on activities is to encourage

readers (whether inventors, engineers, educators, or students) to develop skills in engineering their own cool

gadgets using simple prototyping techniques.

Downloading the Code

he code for the examples shown in this book is available on the Apress web site, www.apress.com . A link can be

found on the book’s information page under the Source Code/Downloads tab. his tab is located underneath the

Related Titles section of the page.

Contacting the Author

Should you have any questions or comments—or if you spot a mistake—please contact the author at

author@writing.com .

xxi

Chapter 1

Electronic Singing Bird

he Arduino is a small yet powerful computer board that uses physical computing techniques with an Atmel

microcontroller (processing development environment) and the C programming language. To illustrate the

versatility of the Arduino in turning ordinary electronic circuits into cool smart devices, I will show how to make

an interactive electronic singing bird in this chapter. he required parts are pictured in Figure 1-1 .

Parts List

Arduino Duemilanove or equivalent

0.047uF capacitor

0.1uF capacitor

470uF electrolytic capacitor

1 K resistor

50 K trimmer potentiometer

Audio transformer

2N3906 PNP transistor

2N3904 NPN transistor

5VDC relay

1 N4001 silicon diode

100W resistor

8W speaker

Cadmium sulde (CdS) photocell

1 small solderless breadboard

22 AWG solid wire

Digital multimeter

Oscilloscope (optional)

Electronic tools

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