15-06-2010, 04:03 PM
Abstract:
The project ËœHeart Beat Monitorâ„¢ is a very useful project especially for medical field. This can be used to monitor the heart beat in digital display format. In this project two electrodes were used to sense the blood pumping done by heart which is proportional to heartbeats.
The sensing electrodes sense the blood pumping cycles and send the signal to current amplifier. The amplified signals are processed to extract the number of cycles of blood through our body. The average value of sensed cycles of blood pumps are displayed per minute interval. Microcontroller AT89S51 is used to process and displayed on 16x2 LCD display