With an ECG sensor (ADB232), detected the heart beat rate / phase (normalizing and filtering the raw signal), and allow to play a midi file with the same tempo (or a multiple) of your heart beat, adjusting the speed in real time.
This experiment want to be a proof of concept that a song upbeat respect your physiological baseline give you anxiety, downbeat boredom

Firmware writing and cooperation in electronic design for a new hardware component based on microcontroller (Microchip PIC16F873), used for RFID Tag reader connected to a remote server through an ethernet link, using UDP protocol.