Safe Air Monitor
Eric Robb, "Power Subsystem"
Michael Farquhar, "Sensor Subsystem"
Jeff Waltersdorf, "Microprocessor Subsystem"
Advisors: Dr. James Sennott and B. D. Huggins
Individuals entering dangerous environments such as manure storage tanks
and sewers need to be concerned with the quality of the air around them.
Making a portable, inexpensive, reliable monitor for air quality would
greatly increase the safety of these workers. Monitoring the oxygen level
in the ambient air provides an effective way of detecting hazardous situations.
Utilizing a Teledyne Microfuel sensor to detect the amount of oxygen in
the atmosphere, this detection system features a microprocessor with simple
signal processing to increase the reaction speed of the alarm. Additionally,
to keep the device lightweight, a strict power management system is used
to provide portable, rechargeable power and an effective operating time
of the device.
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