Pulse Oximeter from Scratch
Arduino | Fusion 360 | KiCAD | C++ | Biosignals | BJTs | Photodiode | LCD | Soldering
Objective
Design an at home Pulse Oximeter to calculate Blood Oxygen Saturation and Heart Rate.
Result
Designed a circuit to rapidly alternate Red and IR LEDs, capturing light absorbance through the finger via a photodiode.
Wrote C++ algorithm to calculate Blood Oxygen Saturation and Heart Rate measurements which were validated by an external
device. 3D printed a custom enclosure to house the LEDs and photodiode, minimizing ambient light absorbency for enhanced
accuracy.
