Page 19 - Robot Builder's Bonanza

xviii CONTENTS

Modulated Infrared Proximity Detector 574
Infrared Distance Measurement 580
On the Web: Passive Infrared Detection 585
Ultrasonic Distance Measurement 585
Chapter 44—Robotic Eyes 590
Simple Sensors for Robotic Eyes 590
Building a One- Cell Cyclops Eye 594
Building a Multiple- Cell Robotic Eye 596
Using Lenses and Filters with Light- Sensitive Sensors 600
Video Vision Systems: An Introduction 600
Chapter 45—Navigating Your Robot 603
Tracing a Predefined Path: Line Following 603
Wall Following 608
Odometry: Calculating Your Robot’s Distance of Travel 609
Compass Bearings 617
Experimenting with Tilt and Gravity Sensors 619
More Navigational Systems for Robots 624

Chapter 46—Making and Listening to Sound 625
Preprogrammed Sound Modules 625
Commercial Electronic Sound Effects Kits 627
Making Sirens and Other Warning Sounds 627
Using a Microcontroller to Produce Sound and Music 628
Using Audio Amplifiers 630
Sound and Music Playback with a Microcontroller 631
Speech Synthesis: Getting Your Robot to Talk 632
Listening for Sound 634
On the Web: More Sound Projects 637

Chapter 47—Interacting with Your Creation 639
Using LEDs and LED Displays for Feedback 639
Feedback via Simple Sounds 646
Using LCD Panels 646
Robot- Human Interaction with Lighting Effects 649

Chapter 48—Danger, Will Robinson! 655
Flame Detection 655
Smoke Detection 657

00-frontmatter.indd xviii 4/21/11 11:42 AM