60 BECOME A SCHEMATIC FANATIC
Don’t let a few crazy looking symbols
prevent you from attempting and/or
completing a project.
■ By Evan Woolley
67 ACCESS SERIAL PORTS
Learn about a companion program for a
PIC that detects received commands,
takes requested actions, and sends
responses. Also find out how to use an
RS-422 interface to create serial links as
long as 4,000 feet.
■ By Jan Axelson
72 DESIGNERS GUIDE TO RELIABLE
OSCILLATORS AND TIMERS
Crystals that make the world go ’round.
■ By Norm Looper
“HOW TO” BASICS
Watch for articles with this banner that will
cover the basics of electronics for newbies and
be good refreshers for seasoned DIYers.
10 READER FEEDBACK
30 NEW PRODUCTS
12 TECHKNOWLEDGEY 2008
Events, Advances, and News
Topics covered include free custom
radio, eco-friendly speakers, a new IBM
mainframe, and snapshots from a
reactor, just to name a few.
16 STAMP APPLICATIONS
Putting the Spotlight on BASIC Stamp Projects,
Hints & Tips
More surplus success with Vex.
Reader Questions Answered Here
DC motor parameters, HD radio,
frequency divider, more.
78 PERSONAL ROBOTICS
Understanding, Designing & Constructing Robots
A droid of your own.
84 NEAR SPACE
Approaching the Final Frontier
2007 Spaceward Games: Part 2.
88 THE DESIGN CYCLE
Advanced Techniques for Design Engineers
Building a CPLD Development Kit.
96 GETTING STARTED WITH PICs
The Latest in Programming Microcontrollers
Getting started with the PICBASIC PRO
compiler and MPLAB IDE.
May 2008 7