SERVO_2008-08.pdf

SERVO MAGAZINE

Vol. 6 No. 8

DARPA AT THE GRAND PRIX • RC ROBOTICS • CPLD SERVO DRIVER • VEX MOTOR PWM

August 2008

Let your geek shine.

Meet Pete Lewis, lead vocalist for the band

Storytyme. Pete recently created the RS1000,

a new personal monitor system for performing

musicians. It was SparkFun’s tutorials, products

and PCB service that enabled him to take his idea

to market in less than a year.

The tools are out there. Find the resources you

need to let your geek shine too.

Sharing Ingenuity

WWW.SPARKFUN.COM

Hear music from Storytyme at www.storytymeband.com, or check

out Pete’s RS1000 at www.rockonaudio.com.

a) S c ie n c e

b) T e c h n o l o g y

c) Engineering

d) Mathematics

e) All of the above

Classroom Lab Kit

bundles start at $549

Studies prove what

we at VEX ® already knew...

Students love Robotics.

Given a choice, middle and high school students prefer robotics among science courses.

And our Classroom Lab Kits make it easier than ever to bring VEX Robotics to your

school while making your budget go farther. With standards-based curriculum available

from Intelitek, Carnegie-Mellon and Autodesk, VEX is quickly becoming the robotics

platform of choice among schools internationally. We now offer local, regional, national

and international competitions for students to test their skill and express themselves.

Visit RobotEvents.com for event information. Only one choice is clear when considering

an educational robotics platform – the VEX Robotics Design System.

Think.

Create.

Build.

Amaze.

Vex.

A product of Innovation First.

VISIT WWW. VEXROBOTICS .COM

PAGE 14

THE COMBAT ZONE ...

Features

28 BUILD REPORT:

Combat Robot: $1.25 a Pound

32 PARTS IS PARTS:

Power Switches

Columns

08 Robytes

by Jeff Eckert

Stimulating Robot Tidbits

10 GeerHead

by David Geer

MAARS Robots Taking Off for War

14 Twin Tweaks — Special Edition

by Bryce and Evan Woolley

Rhyme of the Modern Submariner

20 Ask Mr. Roboto

by Dennis Clark

Your Problems Solved Here

62 Robotics Resources

by Gordon McComb

Robotics via Remote Control

67 BasicBoard Robotics

by William Smith

Moving From BS1 to PIC

76 Appetizer

by John Sosoka

The Greatest Playground of All

78 Then and Now

by Tom Carroll

Robots — How We’ve Built Them

Over the Years

Events

30 Results and Upcoming Competitions

30 Event Report:

Mall of America Rotunda Rumble

Robot Profile

33 Touro

PAGE 10

Mind/Iron

Events Calendar

New Products

Robotics Showcase

Robo-Links

SERVO Webstore

Advertiser’s Index

4 SERVO 08.2008

08.2008

VOL. 6 NO. 8

PAGE 28

Features & Projects

The CPLD Servo Driver

by Fred Eady

Driving hobby servos is only one

of the tricks a CPLD can per form.

In addition to turning servo rotors,

you can also use a CPLD to replace a

number of discreet logic ICs in your

next robotic design.

PAGE 46

Build a PWM Circuit to

Run a Vex Motor

by John Toebes

You don’t just have to use NiCad

batteries to drive a Vex motor.

Look Ma, No Driver!

by Jason Bardis

Autonomous DARPA vehicles take

center stage (track!) at the

Long Beach Grand Prix.

Build the Ultimate Robot

by Michael Simpson

If you’re not afraid to part with a

little cash, this series will give you

the choice of building either a six-

or three-wheeled robot with an

onboard PC.

PAGE 36

SERVO Magazine (ISSN 1546-0592/CDN Pub Agree#40702530) is published

monthly for $24.95 per year by T & L Publications, Inc., 430 Princeland Court, Corona,

CA 92879. PERIODICALS POSTAGE PAID AT CORONA, CA AND AT ADDITION-

AL ENTRY MAILING OFFICES. POSTMASTER: Send address changes to SERVO

Magazine, P.O. Box 15277, North Hollywood, CA 91615 or Station

A, P.O. Box 54,Windsor ON N9A 6J5 ; cpcreturns@servomagazine.com

SERVO 08.2008 5

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