Heart rate, one of the most important physiological parameters to human body, is closely related to the function and status of the human heart. In order to display the heart rate in time in a convenient way and make sure the accuracy, this paper presents a project about the portable Bluetooth data sampler. The portable Bluetooth data sampler, with the help of the embedded heart rate sensor , Bluetooth module and data receiving display module ,can realize the collection of the heart rate and short-range transmission of the heart rate data and make the data received by the mobile phone Bluetooth displaying on the screen of the mobile phone automatically. The program also can remind the health status. As soon as the heart rate presents an abnormal status , the sample will text a message to the bound mobile phone and it can save a lot of precious time for patient to take some treatment measures. All in all, this technology has a broad prospect.
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