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Measure Heart Beat Through Fingertip | Electronics Lab

Measure Heart Beat Through Fingertip
Version 1 - Last update: Nov 2, 2015

Heart rate is a very vital health parameter that is directly related to the soundness of the human cardiovascular system. This project describes a technique of measuring the heart rate through a fingertip using a PIC micro controller. While the heart is beating, it is actually pumping blood throughout the body, and that makes the blood volume inside the finger artery to change too. This fluctuation of blood can be detected through an optical sensing mechanism placed around the fingertip. The signal can be amplified further for the micro controller to count the rate of fluctuation, which is actually the heart rate.

Micro controller measures heart rate through fingertip.

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