June
2006, Issue 191
Earth
Field Magnetometer
Cypress
PSoC High Integration Challenge 2004 Winner
SOURCES
AND PDF
Download
the PDF of this article.
Richard
Wotiz (dick601@mystics.org)
earned a B.S.E. in electrical engineering and computer
science from Princeton University. For the past 15 years,
he has run his own hardware consulting business specializing
in consumer products and children’s toys.
PROJECT
FILES
To
download the code, go to ftp://ftp.circuitcellar.com/pub/Circuit_Cellar/2006/191.
REFERENCES
[1]
R. Merrill and M. McElhinny, The Earth’s Magnetic
Field, Academic Press, New York, NY, 1983.
[2]
G. Flodqvist, “Detecting the Polar Lights,” Sky and
Telescope, October 1993.
[3]
J. Goldstein, “Using PSoC Internal Resistors for I2C
Communications,” AN2121, Cypress Microsystems, April
2003.
RESOURCES
T.
Cantrell, “Do You Know the Way to San Jose?: Precise
Navigation Technology,” Circuit Cellar 53, December
1994.
D.
Gordon and R. Brown, “Recent Advances in Fluxgate Magnetometry,”
IEEE Transactions on Magnetics, vol. MAG-8, no.
1, March 1972.
S.
Marshall, “A Gamma-Level Portable Ring-Core Magnetometer,”
IEEE Transactions on Magnetics, vol. MAG-7, no.
1, March 1971.
F.
Primdahl, “The Fluxgate Mechanism,” IEEE Transactions
on Magnetics, vol. MAG-6, no. 2, June 1970.
Real-time
magnetometer data, U.S. Geological Survey, http://geomag.usgs.gov/.
SOURCES
CY8C22213
Microcontroller and PSoC Designer 4.1 Service Pack 1
Cypress Semiconductor Corp.
www.cypress.com
ZH42206TC
Toroid core
Magnetics
www.mag-inc.com
Stackwalk.exe
PSoCDeveloper Forum
www.psocdeveloper.com/downloads/stackwalk.zip
