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int input = 0; // output of hardware ckt to analog pin 0
In this project, we measured human heart rate using IR emitter and detector, Arduino board and some other low cost component. We observed heart rate of some individuals with IR emitter and detector, Arduino Board and Processing 2.0 software, and attached the result in the report. We compared the cost of heart rate monitor that uses IR emitter and detector, and the one that uses pulse sensor.
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