Parallax Boe-Bot - Page 6

Page ii · Robotics with the Boe-Bot
Activity #5: Simplify Navigation with Subroutines .......................................................140
Activity #6: Building Complex Maneuvers in EEPROM ..............................................146
Summary ....................................................................................................................157
Chapter 5: Tactile Navigation with Whiskers ...................................................... 165
Tactile Navigation .......................................................................................................165
Activity #1: Building and Testing the Whiskers ...........................................................166
Activity #2: Field Testing the Whiskers .......................................................................174
Activity #3: Navigation with Whiskers .........................................................................177
Activity #4: Artificial Intelligence and Deciding When You’re Stuck............................182
Summary ....................................................................................................................188
Chapter 6: Light Sensitive Navigation with Photoresistors .............................. 193
Introducing the Photoresistor......................................................................................193
Activity #1: Building and Testing Photoresistor Circuits .............................................194
Activity #2: Roam and Avoid Shadows Like Objects ..................................................200
Activity #3: A More Responsive Shadow Controlled Boe-Bot.....................................203
Activity #4: Getting More Information from Your Photoresistors.................................205
Activity #5: Flashlight Beam Following Boe-Bot .........................................................210
Activity #6: Roaming Toward the Light .......................................................................219
Summary ....................................................................................................................227
Chapter 7: Navigating with Infrared Headlights.................................................. 235
Using Infrared Headlights to See the Road ................................................................235
Activity #1: Building and Testing the IR Pairs .............................................................237
Activity #2: Field Testing for Object Detection and Infrared Interference ...................242
Activity #3: Infrared Detection Range Adjustments ....................................................247
Activity #4: Object Detection and Avoidance ..............................................................249
Activity #5: High Performance IR Navigation..............................................................252
Activity #6: The Drop-Off Detector..............................................................................255
Summary ....................................................................................................................262
Chapter 8: Robot Control with Distance Detection ............................................ 269
Determining Distance with the Same IR LED/Detector Circuit ...................................269
Activity #1: Testing the Frequency Sweep .................................................................269
Activity #2: Boe-Bot Shadow Vehicle .........................................................................277
Activity #3: Following a Stripe.....................................................................................286
Summary ....................................................................................................................294
Appendix A: PC to BASIC Stamp Communication Trouble-Shooting.............. 301
Appendix B: BASIC Stamp and Carrier Board Components and Features ..... 305
Appendix C: Resistor Color Codes...................................................................... 309
Appendix D: Breadboarding Rules ...................................................................... 311