April
2004, Issue 165
Mini
Rover 7
Electronic Compassing fo Mobile Robotics
by
Joseph Miller
Download
the PDF of this article.
Joseph
Miller is a Senior Electrical Engineer at PNI Corporation,
where he designs consumer and OEM sensor- and network-based
products. He earned an A.S.E.E. degree from the Heald
Institute of Technology in San Francisco, and has been
an electrical engineer for approximately 20 years. Joseph
enjoys competing and demonstrating his robots. You may
contact him at compass@sonomatron.com.
PROJECT
FILES
To
download the code, go to ftp.circuitcellar.com/pub/Circuit_
Cellar/2004/165.
REFERENCE
[1]
Garmin Ltd., www.garmin.com/aboutGPS/.
RESOURCES
H.R.
Everett, Sensors for Mobile Robotics: Theory and Applications,
A.K. Peters, Wellesley, MA, 1995.
R.B.
Langley, "The Magnetic Compass and GPS," GPS
World, September 1, 2003.
E.
Kaplan ed., Understanding GPS: Principles and Applications,
Artech House, Norwood, MA, 1996.
M.
Miller et al., The Personal Robot Navigator, A.K. Peters,
Wellesley, MA, 1998.
PNI
Corp., "Multipoint Calibration Primer," 1001766
R01, 2003.
U.S.
Geological Service (USGS),
geomag.usgs.gov.
SOURCES
CStamp
Module
Ken
Gott
cstamp51@earthlink.net
Maxstream
Wireless modems
Maxstream
(866) 765-9885
www.maxstream.net
MAXI
Dual H-Bridge two-motor driver kit
Mondo-tronics, Inc.
(800) 374-5764
www.robotstore.com
V2Xe
Compass module
PNI Corp.
(707) 566-2260
www.pnicorp.com
C8051F330
Microcontroller
Silicon
Laboratories
(877)
444-3032
www.silabs.com
