Electrocardiogram (ECG) Device – Compact, Interactive At-Home Monitor
Aaron Joshua Sun Tolentino
Project Timeline
Mar 2025 - Jun-2025
OVERVIEW
Developed a compact, at-home ECG device integrating a 3D-printed enclosure, custom PCB, and interactive mechanisms. The system displays the QRS complex on an ST7789V display, incorporates a piezo buzzer for musical feedback at specific heart rates, and features a servo-driven cuckoo bird to signal intervals. Designed under strict budget and time constraints, the project demonstrates practical implementation of medical device concepts with a focus on usability, manufacturability, and signal fidelity.
HighlightS
- Designed and fabricated a custom PCB using Autodesk Fusion PCB Design, completing three iterations to ensure proper fit and function.
- Developed a fully 3D-printed enclosure, iterating three times to securely house all electronic and mechanical components.
- Integrated ECG electrodes and refined filtering to achieve accurate signal capture and a high signal-to-noise ratio, validated against a commercial prototype.
- Reduced device size, weight, and cost while maintaining functionality, creating an unobtrusive at-home ECG solution.
- Implemented interactive features (display, buzzer, servo-driven cuckoo) to enhance user engagement and real-time feedback.
SKILLS
Autodesk Fusion PCB3D Printing & Enclosure DesignCircuit IntegrationElectromechanical SystemsSignal Testing & FilteringVerification & ValidationPrototyping IterationMedical Device UsabilityCost & Space Optimization
Aaron Joshua Sun Tolentino
Mechanical Engineering Graduate | Medical Devices, Manufacturing, Quality, Process Validation
I am a UCLA Mechanical Engineering graduate with expertise in CAD design, 3D printing, and rapid prototyping, skilled in SolidWorks and AutoCAD. At UCLA, I optimized a ceiling-climbing robot, enhancing efficiency and control by integrating research insights into practical design. My experience at WZI and as a Technical Coordinator strengthened my ability to collaborate across disciplines, analyze complex systems, and lead teams toward innovative solutions. I am particularly passionate about medical device R&D, studied in medical imaging and durg delivery, where I can apply my creativity and technical expertise to improve patient outcomes while bringing adaptability and a research-driven mindset to engineering challenges.
I am a UCLA Mechanical Engineering graduate with expertise in CAD design, 3D printing, and rapid prototyping, skilled in SolidWorks and AutoCAD. At UCLA, I optimized a ceiling-climbing robot, enhancing efficiency and control by integrating research insights into practical design. My experience at WZI and as a Technical Coordinator strengthened my ability to collaborate across disciplines, analyze complex systems, and lead teams toward innovative solutions. I am particularly passionate about medical device R&D, studied in medical imaging and durg delivery, where I can apply my creativity and technical expertise to improve patient outcomes while bringing adaptability and a research-driven mindset to engineering challenges.
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