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This design is wearable digital heart rate meter, the acquisition and transformation use of heart rate data in lower computer is STC12C5A60S2 MCU with high speed 51 kernel, the heart rate sensor is used in photo-electric reflective analog sensor, which adopted method combine hardware and software filtering and greatly improves the accuracy of heart rate signal detection of the human body. And the final data is passed to the android mobile phone through bluetooth, human body heart rate of real-time monitoring function is realized in android mobile phone. In recent years, our country enter into aging society gradually, with the growth of the age, the probability of cardiovascular disease sickness will be greatly increased, the body's heart rate signals is very important in biomedical signal, the heart rate signal processing is a research hotspot rapidly develop both at home and abroad in recent years. With the development of signal processing technology and computer processing technology, people hope to apply modern technology into the research of heart rate signal so that more scientific and more objectively reveals the essence and characteristics of heart rate. Since the Android OS is launched, it gradually enlarges the market share with obvious advantages, its high call and like the sun in broad daylight, which is in the booming development stage. The heart rate detection system is using android phones as heart rate display terminal, and method combined hardware and software filtering is adopted, it can accurately obtain the heart rate value, and can data is displayed in the android mobile phone, it is a mobile portable wearable device.

Heart Rate Detection System Based on Android OS