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Journal of Undergraduate Research

Keywords

wireless heartbeat monitor, wireless communications, electrical signal, phot resistor

College

Ira A. Fulton College of Engineering and Technology

Department

Electrical and Computer Engineering

Abstract

Thank you for your support of the Wireless Heartbeat Monitor project. This has been an exciting project that has given me experience in wireless communications and in medical instrumentation. It has introduced me to microprocessor control and given me training in project planning and followthrough. The Wireless Heartbeat Monitor senses a person’s heartbeat by passing light through the individual’s finger or earlobe. Blood circulating though the body, moving in pulses as the heart and the muscles surrounding the veins and arteries contract, filters this light. Creating a varying electrical signal, a photo resistor senses the slight fluctuations in light leaving the body. The electrical signal is amplified and shaped to provide a usable signal.

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