xxi
■ CONTENTS
■ Chapter 25: Launching the Line-Follower .......................................................... 373
Correcting and Tweaking .............................................................................................. 373
Preliminary Examination ..................................................................................................................... 373
Trial Run: Following a Straight Line .................................................................................................... 377
Correcting Common Problems ............................................................................................................ 378
Does This Look Straight to You? ......................................................................................................... 382
The Maiden Voyage ...................................................................................................... 384
Solving Steering Problems ................................................................................................................. 385
Potential Improvements Line-following robot: ............................................................. 386
Protecting Against a Reversed Battery ............................................................................................... 386
Eliminating Surges with Capacitors .................................................................................................... 387
Improving Line-Following ................................................................................................................... 388
Final Bow...................................................................................................................... 391
■ Chapter 26: Smoother, Smaller, Cheaper ........................................................... 393
Playing with Sensor Circuitry ....................................................................................... 393
Lowering Light Sensor Resistance ..................................................................................................... 394
Driving Straight ................................................................................................................................... 394
Revising or Leaping? .......................................................................................................................... 395
Reducing Cost and Improving Capabilities ................................................................... 395
Shrinking Packages ............................................................................................................................ 397
Increasing Functionality ..................................................................................................................... 399
Shrinking Costs .................................................................................................................................. 400
Ever Changing .............................................................................................................. 402
■ Chapter 27: Encore ............................................................................................ 403
Robot Components ....................................................................................................... 403
Logic Chips ......................................................................................................................................... 403
Microcontrollers ................................................................................................................................. 404
Voltage Regulators.............................................................................................................................. 405
Capacitors ........................................................................................................................................... 407
Solar Power ........................................................................................................................................ 408