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Biometric Pulse Counting System using Microcontroller 8051

Sayantan Dutta, Kaushik Samanta, Anusree Sarkar, Sudeep Mondal, Sumanta Mandal, Tarun Karak

This paper gives a novel idea about the design and implementation of a microcontroller based pulse counter. Intel 8051 is used as the main microcontroller unit and the system has been fabricated to count the total number of pulse in a minute. IR sensors are connected as the input sensors which read the blood flow through the fingers. The microcontroller counts the number of input signals and thus generates an output on a display window build using three 7 segment IC. This system is highly efficient, accurate and economical and thus can be effectively used as an instrument to measure pulse on medical grounds.