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Introduction to this Guide
These course notes contain a lot of information that should be valuable in your robot-
building endeavor. Here's a brief synopsis of the organization of these course notes:
 Chapter 1 is the assembly manual for nearly all of the components used to
construct a 6.270 robot|including the printed circuit boards, electronic sensors,
motors, and battery packs.
 Chapter 2 introduces robot motor technology.
 Chapter 3 discusses battery technology and battery charger operation.
 Chapter 4 discusses secret construction methods using the LEGO Technics (R)
building materials.
 Chapter 5 delves into robotic sensors, explaining the principles of operation and
applications of various sensors in the 6.270 kit.
 Chapter 6 investigates how to program a mobile robot to face up to the uncer-
tainties and challenges of practical operation.
 Chapter 7 is a reference manual for the C language software that has been
developed for the 6.270 contest.
Four appendix sections provide additional material:
 Appendix A is the student's introduction to the 1992 class, covering adminis-
trative information, the month's schedule, and the contest rules.
 Appendix B explains the workings of the 6.270 hardware, including the micro-
processor board, the expansion board, and the infrared circuitry. This section
is written with the assumption of some prior background in electronics.
 Appendix C provides reproductions of the printed circuit board layouts, handy
for reference when debugging.
 Appendix D contains an introduction to ordering electronic parts from both the
retail and surplus markets, and a listing of more than twenty top suppliers.


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