January
2005, Issue 174
Microcontroller-Based
Nitrox Analyer
SOURCES
AND PDF
Download
the PDF of this article.
David
Smith is a senior electrical design engineer with National
Optronics in Charlottesville, VA. He has been designing
and programming embedded systems for the past eight
years. David is a licensed professional engineer and
holds B.S. and M.S. degrees in electrical engineering
from Virginia Tech. You may contact him at bitwiz03@yahoo.com.
PROJECT
FILES
To
download the code, go to ftp.circuitcellar.com/pub/Circuit_Cellar/2005/174.
REFERENCE
[1]
PADI, Enriched Air Diver Manual, Rancho Santa Margarita,
CA, www.padi.com.
RESOURCES
Atmel
Corp., “8-Bit AVR Microcontroller with 4K Bytes of In-System
Programmable Flash: AT90S4433,” rev. 1042H-AVR, 2003.
National
Association of Underwater Instructors (NAUI), www.naui.com.
Professional
Association of Diving Instructors, www.padi.com.
Teledyne,
“Oxygen Sensors,” 2001, www.teledyne-ai.com.
SOURCES
AT90S4433
and AVR Studio
Atmel
www.atmel.com
ICCAVR
C Compiler
ImageCraft
www.imagecraft.com
HP-9VB
Handheld enclosure
PacTec
Enclosures
www.pactecenclosures.com
R17-D
Oxygen sensor
Teledyne Analytical Instruments
www.teledyne-ai.com