Engineering Portfolio

Projects

FPGA, mmWave, DCA1000EVM, STM32, PCB, and papers. Direct access to project overviews, code, circuits, waveforms, and results.

Projects, papers, and files

FPGA RTL

Three delay circuits · waveforms and RTL

Waveforms and schematics RTL, TB, and logs

TI mmWave 3D Tracking

IWR6843 · DSS, UART, Visualizer

Tracking screens Configuration and files

DCA1000EVM Debugging

Control UDP · raw ADC 0 packets

Wireshark records Capture log

STM32F411 PPG PCB

SFH7070 · OPA2333 · two layers

Schematic, PCB, Gerber Design details

Solar-cell MPPT PCB

STM32F401 · current/voltage measurement

Schematics and BOM Design details

PCB Visual Inspection

ROI registration · PatchCore, DINOv3

Methods and figures Result figures

FMCW Cardiac Timing

ECG, SCG, radar · 600 s, 848 beats

Paper Analysis code

PPG/HRV Cognitive Tasks

PPG acquisition · HRV, CNN, Transformer

Paper Acquisition and classifier

ViScan Smart Mirror

Radar, vision, ultrasound · patent application

Ultrasound paper PDF Implementation and results Patent application

Drowsiness Monitor

Raspberry Pi · PPG, EAR, alarms

Prototype photos Code

Legacy Embedded Systems

Color Classic, Olympic-S · interfaces

Architecture and interfaces Technical records

Defense Systems Cases

Requirements · trade-offs and FMEA

Case collection Repository

Coursework Circuits and Code

VHDL, control, power, RF

Course files Code and calculations

CICS’25 Paper

First author · HRV cognitive-task classification

Paper PDF DBpia

KIEE 2026 Paper

First author · FMCW AO/AC candidate timing

Paper PDF Research project Analysis code

Ultrasound Smart-Mirror Paper

KIEE 2026 · co-author 3/4

Paper PDF ViScan project

Simulation · 31 / 32 cycles · 3 scenariosFPGA · RTL · Digital Verification

FPGA Programmable Delay Logic

Three SystemVerilog delay architectures: shift register, circular queue, and memory. Icarus simulation, GTKWave waveforms, RTL, and testbenches.

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Analysis source and real hardwareRadar · Biomedical Signal Processing

FMCW Radar Cardiac Timing

600 seconds of concurrent ECG, SCG, and FMCW radar acquisition. AO/AC candidate timing across 848 corresponding beats.

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First-author paper · acquisition and classification codeBiomedical Embedded AI

PPG–HRV Cognitive Load

Earlobe PPG acquisition, IBI/HRV features, and CNN/Transformer cognitive-task classification. First-author CICS’25 paper.

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Source code and physical prototypeEmbedded Systems · Edge Sensing

Real-Time Drowsiness Monitor

Two Raspberry Pi nodes combining PPG and eye-aspect-ratio analysis, TCP/IP communication, and GPIO/I²C alarms.

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RequirementsAnalysisVerification

Recalculated from source reportsRequirements · Trade-off · Reliability

Defense Systems Engineering

Educational Counter-UAS, EW jammer, and KF-21 reliability cases: requirements, quantitative trade-offs, and FMEA calculations.

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Course sources and rerun resultsVHDL · Power · Control · RF · Sensors

Electrical Engineering Coursework

VHDL waveforms, transformer calculations, power-flow debugging, motor control, RF circuits, and an AESA-SAR proposal.

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Paper-style figures and homepage integratedPCB Inspection · Vision AI · Publication System

PCB Visual Inspection Studio

Quality checks, ROI registration, and anomaly detection for F411 PCB video, with PatchCore, FR-PatchCore, and DINOv3 feature studies.

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Hardware, runtime screens, and configuration recordsmmWave Radar · Embedded Integration · System Validation

TI mmWave 3D People Tracking Visualizer

IWR6843 configuration, C674x DSS, and dual-UART integration for 3D people tracking, with hardware and Visualizer screens.

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Schematic, PCB, and BOM artifactsPower Electronics · Analog Measurement · PCB Design

Solar-Cell Multichannel Measurement and MPPT PCB

STM32F401 solar-cell measurement mainboard and current/voltage module: power, ADC/DAC, USB/UART circuits, PCB files, and BOM.

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KiCad source and fabrication outputsBiomedical Sensor · Analog Circuit · KiCad PCB

STM32F411 PPG Analog Front-End PCB

A two-layer PPG board combining two SFH7070 sensors, OPA2333 analog front ends, and STM32F411. KiCad, Gerber, and drill files.

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Hardware/manual analysis and measurement planHardware Reverse Engineering · Mixed-Signal · System Integration

Legacy Embedded System Architecture & Mixed-Signal Interfaces

CPU, memory, video, storage, and communication analysis of the Macintosh Color Classic and Olympic-S, with a BlueSCSI/Raspberry Pi bridge design.

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Control UDP observed · raw ADC 0 packetsRadar · LVDS · Ethernet · Hardware Debugging

DCA1000EVM Raw ADC Debugging

Raw ADC capture fault isolation across IWR6843 and DCA1000EVM: control UDP, LVDS data, firmware, and power paths.

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