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Caleb.ee

Portfolio

Projects

Filter by discipline. Each card emphasizes engineering impact — open a project for architecture, hardware, software, and validation notes.

Computer Vision

CAD rendering of the pan/tilt turret assembly with belt-driven tilt axis
Completed

Auto-Aiming Pan/Tilt Turret

A real-time computer vision tracking platform using YOLO, a Kalman filter, PID control, a Teensy, and motorized pan-and-tilt hardware.

Approximately 60 FPS tracking

OpenCVKalman FilterPIDTeensy 4.1Python

PCB Design

Top-down view of the USB-C power meter Arduino shield PCB
Completed

USB-C Power Meter

A custom Arduino Nano PCB that measures USB voltage and current using an INA219 and displays readings on an OLED.

Custom two-layer KiCad PCB

INA219SSD1306 OLEDI2CUSB-C

PCB Design

Top-down view of the heart-shaped PCB with perimeter LEDs
Completed

Heart-Shaped PCB

A heart-shaped KiCad PCB built around an ATtiny402, USB-C power, a 3.3 V regulator, and LED indicators — with a browser-ready GLB for interactive 3D viewing.

Custom heart-shaped board outline in KiCad

USB-CAP2112KPCB DesignGLB / 3D

Computer Vision

CAD rendering of the gesture-controlled quadcopter with labeled ESC, GPS, and flight controller
In Development

Gesture-Controlled Drone

A quadcopter platform controlled by hand gestures through a computer-vision pipeline — mapping detected poses to flight commands in real time.

Hand-gesture recognition for flight commands

OpenCVComputer VisionGesture RecognitionFlight ControllerPython

Power Electronics

KiCad schematic of the sensorless BLDC ESC — Teensy 4.1, gate driver, and three-phase MOSFET bridge
In Development

Sensorless BLDC Motor Controller

A custom six-step sensorless BLDC controller using back-EMF zero-crossing detection, PWM commutation, dead time, current sensing, and temperature protection on a Teensy 4.1.

Six-MOSFET three-phase inverter

Teensy 4.1KiCadC++PWMBack-EMF Sensing

Software

Sentinel AI wordmark
Completed

Sentinel-AI

A multi-agent cloud-security incident-response platform built during the NVIDIA x ASUS Hack-a-Claw hackathon.

Built in under 24 hours

Next.jsFastAPIDockerSupabaseNVIDIA Nemotron

Embedded Systems

STM32 toaster oven finite state machine diagram
Completed

STM32 Toaster Oven Controller

An embedded finite-state-machine controller developed on an STM32 for toaster-oven temperature control.

State-machine architecture

STM32CFSMADCEmbedded C