Heart beat rate can be monitored by using electrode, controller and display. Electrode act as sensor which is placed in finger. Our heart beat must be 72 per minute. An increase or decrease in this value will be considered as abnormal condition. The temperature sensor is provided to sense the body temperature of the patient. The output of both sensors is given to microcontroller through Signal Conditioning Circuit. When the patient is in abnormal condition the microcontroller will transmit the RF signal at 433.92MHz. The transmitted RF signal is received by RF receiver and this value can be monitored by doctor in a remote place. The alarm circuit is provided to indicate the abnormal condition of the patient.
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Nice blog, for BE, MTech internship and final year projects
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