Abstract
The Heartbeat Malfunction detector is a device which monitors the heartbeat and body temperature of a movable patient via a heartbeat Sensor, temperature Sensor and compares it against a predetermined value set and if these values cross a particular limit it would automatically alert the doctor of the patient via a sms from a Bluetooth enabled mobile, using Bluetooth Wireless Technology. A heartbeat sensor is directly connected to a microcontroller, which measures the Beat per Minute (BPM). This heart beat sensor is designed to give digital output of heart beat when a finger is placed inside it. With each heart pulse the detector signal vanes. This variation is converted to electrical pulse. This signal is amplified and triggered through an amplifier which outputs +5V logic level signal. The digital pulses are fed to the external interrupt of microcontroller 8051. By using a software counter in the code, we can count the pulses. The microcontroller (8051) is here used to develop a heart beat monitoring system. By placing your finger in between a LED and photo resistance, we can detect the pulses of heart. A temperature sensor is used to check the body temperature of patient.
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