PHOTO AND ILLUSTRATION CREDITS

Adafruit Industries (www.adafruit.com): Figures 37-2, 37-3, 37-10

Christopher Schantz (www.expressionimage.com): Figure 2-14

Cooper Industries (www.cooperhandtools.com): Figure 30-4

Devantech (www.robot-electronics.co.uk).: Figure 48-2

General Electric: Figure 2-4

Hitec RCD (www.hitecrcd.com): Figure 23-1

Lynxmotion (www.lynxmotion.com): Figures 1-1, 2-6, 2-7, 20-10, 27-2, 28-13

iRobot Corporation (www.irobot.com): Figures 1-6, 2-3

Maxbotics Inc (www.maxbotics.com): Figure 43-14

Miga Motor Company (www.migamotors.com): Figure 25-7

Parallax Inc (www.parallax.com): Figures 2-10, 34-2, 39-1, 43-3, 48-6

Pitsco Education (www.pitsco.com): Figures 1-7

RoboRealm (www.roborealm.com): Figure 44-12

Pololu (www.pololu.com): Figures 10-4, 10-7, 45-5, 45-19

Russell Cameron/DAGU Hi-Tech Electronic: Figures 1-1, 44-10

Scott Edwards Electronics (www.seetron.com): Figure 27-6

SparkFun Electronics (www.sparkfun.com): Figures 42-14, 46-7, 46-9, 46-10

The author expresses his deepest gratitude for the use of 3D CAD objects developed by Ed Sparks at FirstCadLibrary.com; to the developers and contributors of the Fritzing project (www.fritzing.org); for public domain art developed by Wikipedia user Inductiveload, and others; and to the talented artists of the 3D models used throughout this book.

This publication contains images used under license from Corel Corporation, Hemera Technologies, Shutterstock.com, and other licensors.