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System Architecture Overview This project implements a portable biometric monitoring device centered around the STM32F103C8T6 microcontroller. The system integrates both photoplethysmography (PPG) and electrocardiography (ECG) sensing technologies to provide comprehensive cardiac health monitoring....

Hardware Compnoents STM32 microcontroller (e.g., STM32F4 series) DC motor Motor driver IC (e.g., L298N or DRV8833) Power supply Software Configuration The STM32's timer peripheral is used to generate a PWM signal. The timer's auto-reload register (ARR) defines the period, and the capture/compare reg...