Design and implementation of heart beat monitoring using PIC microcontroller

摘要

Heart rate is a very vital health parameter that is directly related to the human cardiovascular system. It is a physiological parameter that is measure of heart rate of an individual, indicating state of mind and physical condition. This will save time and money at a great extent and is very useful in emergency. The heart rate of a healthy adult at rest is around 72 beats per minute (bpm). We develop a project which will be an indication of how healthy our body is, by measuring and monitoring the heartbeat. The project presented here uses an infrared sensor and photodiode detector that monitors the heartbeat and LM358 is used for processing signal. The processed signal is input to microcontroller which counts pulses and sends results to LCD connected to the microcontroller. In addition to that the result will be sent to the PC via Serial cable to display the result on interface developed using C#.