The primary objective of this innovative project was the development of a state-of- the-art fitness tracker. This device not only showcases power efficiency but also excels in detecting intricate velocity curves and distances associated with specific movements, marking a milestone in wearable fitness technology.
Serves as the central unit, orchestrating computations and managing wireless communications with finesse.
Accurately gauges environmental pressure, providing critical data for altitude variation measurements.
Captures comprehensive data on the tracker's spatial orientation and movement, ensuring precise activity tracking.
Guarantees optimal power management, a pivotal feature for the device's operational longevity.
The device is engineered with a sophisticated 4-layer Printed Circuit Board (PCB).
A strategic arrangement of components reduces the device's dimensions to an impressive 15mm by 25mm, ensuring portability without compromising functionality.
The integration of sensor fusion algorithms and digital signal processing techniques plays a critical role in mitigating sensor noise. This approach ensures the computation of highly accurate relative altitudes and orientation angles.
Processed data is adeptly relayed to a mobile application via Bluetooth Low Energy (BLE), offering users real-time access to their fitness metrics.
The tracker is equipped with sophisticated algorithms designed to identify specific movement types during physical activities. This feature adds a layer of depth to activity tracking, catering to diverse user needs.
Initial stages of mathematical modeling and algorithm development were conducted using MATLAB simulations. This phase was crucial for establishing a strong theoretical foundation for the device's functionality.
Subsequent to the simulations, these algorithms were meticulously implemented in C++ and optimized to ensure their efficient