SERVO_2008-05.pdf

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Servo - May 2008
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Let your geek shine.
Meet Leah Buechley, developer of LilyPad—a
sew-able microcontroller—and fellow geek. Leah
used SparkFun products and services while she
developed her LilyPad prototype.
The tools are out there, from LEDs to conductive
thread, tutorials to affordable PCB fabrication,
and of course Leah’s LilyPad. Find the resources
you need to let your geek shine too.
»Sharing Ingenuity
©2008 SparkFun Electronics, Inc. All rights reserved.
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The Distance!
Hitec Goes
Don’t let your robot take a fall, make sure it can go the distance by using one of Hitec’s high powered robotics servos.
From the sport level HSR-8498HB to the stump pulling torque of the Titanium geared HSR-5990TG,
Hitec has a servo for your robotics project.
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Model Gear Type Torque(oz) Speed(sec) Bearing Dimensions Weight Protocol
6V / 7.4V 6V / 7.4V L” x W” x H” (oz)
HSR-8498HB ........ Karbonite .......... 103 / na ........... 0.20 / na.......... Dual BB........ 1.57 x .78 x 1.45........1.75 ...... *HMI/PWN
HSR-5498SG ............ Steel............. 153 / 188 ......... 0.22 / 0.19 ........ Dual BB........ 1.57 x .78 x 1.45........ 2.10....... *HMI/PWN
HSR-5980SG ............ Steel............. 333 / 417 ......... 0.17 / 0.14......... Dual BB........ 1.57 x .78 x 1.45........2.36 ...... *HMI/PWN
HSR-5990TG.......... Titanium.......... 333 / 417 ......... 0.17 / 0.14......... Dual BB........ 1.57 x .78 x 1.45........2.39 ...... *HMI/PWN
HSR-1425CR .............Nylon .............. na / 57 ..............16 rpm ........... Dual BB........ 1.59 x .77 x 1.44.........1.6 ............PWM
*HMI Is Hitec’s Multi Protocol Interface which allows the programming of our servos via a PC using the optional
interface kit (Part No. 78206) PWM is the standard R/C protocol and allows the programming of the
robotics servos using the HFP-20 field programmer (Part No. 44430).
J OIN U S A T
April 25-27, 2008
University of Phoenix Stadium
Glendale Arizona
Visit EFExpo.com For Details
12115 Paine Street . Poway CA 92064 . 858-748-6948
Check out the RoboNova-1 and all the other Hitec Robotics products at
www.hitecrobot ics.com <http://www.hite crobotics.com>
Hitec Goes
Hitec Goes
Hitec Goes
The Distance!
The Distance!
The Distance!
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Check out the RoboNova-1 and all the other Hitec Robotics products at
www.hitecrobotics.com
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Columns
08 Robytes by Jeff Eckert
Stimulating Robot Tidbits
10 GeerHead by David Geer
The Northern Bites RoboCup Team
14 Ask Mr. Roboto by Dennis Clark
Your Problems Solved Here
68 Dif ferent Bits
by Heather Dewey-Hagborg
Artificial Life — Part 2:
Genetic Algorithms: Hello World
73 Twin Tweaks
by Bryce and Evan Woolley
Geekings from France — the POB bot
84 Robotics Resources
by Gordon McComb
Robot Builder’s Bookshelf Redux
92 Appetizer
by Robin Lemieux
Building Character through ... Robot Building!
94 Then and Now by Tom Carroll
Robot Muscles — Electric Motors
PAGE 73
Departments
17
Mind/Iron
Robo-Links
18
New Products
80
Robotics Showcase
82
Events Calendar
89
SERVO Webstore
97
Advertiser’s Index
This Month In
THE COMBAT ZONE ...
Features
20
Vapor Bot Build
Events
22
Results and Upcoming Competitions
23
EVENT REPORT: WAR in Seattle
Robot Profile
25
Sewer Snake
PAGE 10
4 SERVO 05.2008
06
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05.2008
VOL. 6 NO. 5
Features & Projects
PAGE 28
28
Tear Down: The iRobot Looj
by Bryan Bergeron
Get inside the latest of fering from iRobot
and explore its potential as a robotics
platform.
32
The Servo Buddy
by Jim Stewart
An introduction to servo motor
construction and operation, and a
description of an inexpensive circuit to
control a servo without a microcontroller.
36
Designing and Building a
Robot From Scratch
by Brian Benson
Part 3 covers common tools and
techniques that will make the actual build
process easier.
PAGE 36
42
The R2 Builders Club
by K. Stiles Howard
In a galaxy right here at home, a unique
community of roboteers build R2-D2
replicas not just for fun, but for very
worthy causes.
50
Managing Your Mobile
Monkey
by Fred Eady
Discover how to add 2GB of direct
access storage to your robot with just a
PIC and a micro-SD memory card.
58
Reviving an Androbot BOB
by Robert Doerr
Extra sensors, original sensors, wireless
operation, autonomy, and programming
... whew!
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
PAGE 32
SERVO 05.2008 5
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