Focus: Robotics / Control systems / Applied AI / Automation
Links: Resume (PDF)LinkedIn GitHub

About

I build robots, control systems and applied AI, from the electronics and firmware up to the software that runs on them. Recent work includes a battery management system, a brushless motor, a 7-axis robot arm and a vision-only drone detector. I am looking for robotics, controls or applied-automation roles where I can design, simulate and then build the real thing.

Teams

Marine Robotics UBC: Electrical team lead, Sep 2025 to now. Leading the electrical design of an electric hydrofoiling catamaran: battery and BMS, fly-by-wire control, sensors and safety.
Okanagan Rover Craft: Electrical engineer for BMS, power systems and sensors, Sep 2025 to now. Full-system schematics and power distribution; leading the design of a 6-DOF arm.
IDS, UBC Okanagan: Sustainable housing club, May 2023 to Sep 2025. Director of PV design, leading a 6-person team that simulated solar production in PVSyst and Helioscope for a net-zero house. Then electrical team lead for the 2024/2025 challenge, with a 3-person team, writing a housing retrofit guide for the City of Kelowna.
AR2C aerospace club: Electrical team member, Sep 2023 to May 2025. UAV and aircraft robotics, and early work on self-made rockets.

Experience

DataAnnotation: AI evaluator and data annotator, May 2025 to now. Writing rubrics, labelling data and coding model responses across audio, code and text to train AI models.

Awards and accolades

Western Engineering Competition, 2026: Programming division, 1st place with 99/100, the highest score on record.
Canadian Engineering Competition, 2026: Programming division, top 10 in Canada and the top team from western Canada.
Solar Decathlon, 2024 and 2025: Single-family housing division of the US Department of Energy competition: 2nd place in 2024, then first place (tied) at the 2025 Buildings NeXT showcase.
BC Hydro Scholarship in Engineering, 2024: Scholarship.
Aerial Robotics and Rocketry Award, 2023: Student UAS Competition.
SolidWorks Sprint Competition, 2025: Finalist.
Mastering OpenCV with Python, 2025: Certification.

Skills

Robotics and controls: ROS, Inverse kinematics, Trajectory planning, Digital PID servo design, Simulink and MATLAB, MuJoCo
AI and vision: PyTorch, TensorFlow and Keras, OpenCV, YOLO and MediaPipe, Object detection and tracking, Model training on a single GPU
Electrical: Circuit design and analysis, Altium, KiCad, LTspice, BMS and motor design, Oscilloscope and function generator, Soldering and prototyping
Embedded: Microcontrollers, Arduino, ESP32, Raspberry Pi, NVIDIA Jetson, Verilog
Software: Python, C++, Java, R, HTML and CSS, JavaScript and React, Git
Design tools: SolidWorks, Fusion 360, Onshape, Blender, 3D printing
General: Project management, Research paper reading and summarising, Team leadership

Work and projects

Open any project for the picture, what I did and where it stands.

01Vision-Only Drone DetectionA camera-only system that finds, tracks and assesses small drones, with a swarm-versus-swarm follow-up.Simulation

Started Sep 2026 · Independent research

Goal: Find out how far one ground camera and software alone can go at spotting, tracking and sizing up a small drone.
What I did: Research into detecting small drones with a ground camera and nothing else: a YOLO detector run on motion-cued crops, a tracker with a kinematic filter, and a decision layer on top. A sibling project simulates drones that detect and locate another group of drones, where teammate cueing cut heading error from 1.8 to 0.34 degrees. Detection only, academic work, still in simulation.
Result: Smallest reliably found drone shrank from 16 to 8 pixels; a motion-only check separates drones from birds with an AUC of 0.92 after one second.

Fun version: Karakuri

Computer vision / Object tracking / Kalman filtering / PyTorch / Simulation

027-Axis Desk Robot ArmA mostly 3D-printed, 7-axis robot arm with a physics-based digital twin.Designed in CAD, not yet built

The arm in Fusion 360, posed on its test bench.

Started Sep 2026 · Independent project

Goal: A desktop arm with seven joints that I can mostly print, for under about US$1,000, proven in simulation before anything is made.
What I did: A desktop robot arm with seven joints, about 440 mm of reach and a 1 kg payload at full reach, built on a student budget. The joints use cycloidal and planetary gearboxes driven by CAN stepper motors, and a spherical wrist gives it a closed-form inverse kinematics case. The full arm is modelled in Fusion 360, and a MuJoCo digital twin with time-optimal trajectory planning and a test suite of about 190 tests checks the torque margins before anything is printed. Printing and hardware bring-up are next.
Result: Torque margins of 1.18 to 2.06 in the model, checked by about 190 automated tests. Motors, drivers and bearings are bought.

Fun version: Karakuri

Robotics / Inverse kinematics / MuJoCo / Fusion 360 / Mechanical design

03Four-Axis 3D Printer SimulatorA simulator for a printer with a tilting nozzle, built to test servo and vibration control.Simulation

The simulator: 3D view, servo tuning and live charts.

Started Sep 2026 · Independent project

Goal: Design and tune the motion control for a printer whose nozzle tilts, before any hardware exists.
What I did: A browser-based simulator of a Cartesian 3D printer with a fourth, rotary axis that tilts the nozzle, so steep overhangs print without supports. It has closed-form kinematics, a look-ahead motion planner, flexible-structure models, and a 5 kHz digital PID servo per axis with vibration compensation and flow calibration. The engine runs in Node with no browser, and has 31 tests.
Result: A 5 kHz digital servo with vibration compensation, covered by 31 tests.

Fun version: Karakuri

Control systems / Kinematics / Vibration control / Simulation / JavaScript

04ROBERT: Mars RoverA battery-powered, four-motor rover with an NVIDIA Jetson and a crane-style arm.In progress

Since Sep 2025 · Okanagan Rover Craft, UBC

What I did: A battery-powered rover driven by four motors. A power distribution board feeds an NVIDIA Jetson, the onboard computer, and a crane-style robotic arm is mounted on top. As electrical engineer for the BMS, power systems and sensors I designed the full-system electrical schematics and the power distribution network, and I am leading the design of a 6-DOF arm, built for the competition tasks, to follow the crane arm.

GitHub Fun version: Mirrikh

Robotics / Embedded systems / NVIDIA Jetson / Power distribution / BMS / Mechanical design

05Battery Management SystemA battery management system I designed: cell monitoring, balancing and protection.Designed

What I did: Design of a battery management system that monitors cell voltages, balances the cells and protects the pack. It covers the circuit and board design and the firmware that runs it.

GitHub Fun version: Denshi

Power electronics / PCB design / Firmware

06Brushless MotorA brushless motor designed from scratch.Designed

What I did: Design of a brushless DC motor, covering the electromagnetic and mechanical design. Photos and a video of the build will go here.

Fun version: Denshi

Motor design / Electromagnetics / Mechanical design

07ElectroEdmontonAn interactive map for planning electric bus routes in Edmonton.Built and live

Western Engineering Competition, programming division

Goal: Give planners a clear, fast map for deciding where electric buses should run in Edmonton.
What I did: A web app built with Astro and React, styled with Tailwind CSS to keep the files small. The map comes from a parsed CSV and the OpenStreetMap API through Leaflet, so the bus routes stay up to date.
Result: 1st place in the programming division with a score of 99/100.

electroedmonton.ca Fun version: Denshi

Web development / React / Astro / Leaflet / OpenStreetMap

08Volumetric DisplayA swept volumetric display, 300 mm across, built around LED panels and a Raspberry Pi.Planning, prototyping and software done; ordering and assembly under way

Since Jan 2025 · Personal project

Goal: Build a display that draws an image in a volume of space by sweeping LED panels around fast enough to fool the eye.
What I did: I worked out the theory first, then chose the parts: a Raspberry Pi 4, bearings in different sizes, voltage converters, a speed controller and LED matrix panels. The Python code drives two HUB75 panels through their shift registers so an uploaded image shows up clearly.

Fun version: Denshi

Embedded systems / Raspberry Pi / Python / LED displays

09Student Drone and HelicopterA long-range FPV video system and antenna ground station for a semi-autonomous aircraft.Built and competed

Aug 2023 to May 2025 · AR2C, UBC aerospace club

Goal: Get a clear live picture back from a semi-autonomous drone at long range.
What I did: I designed and built the FPV system and did the wiring and soldering on a four-propeller drone. I also researched, designed and 3D modelled a Yagi antenna ground station that connects to drones and helicopters in the air through Mission Planner. The team entered a semi-autonomous helicopter in the Aerial Evolution Association of Canada Student UAS Competition.

Fun version: Karakuri

Aerospace / FPV / Antenna design / Soldering / Mission Planner

10Drink CompassA pocket-watch-sized GPS compass that points to the nearest liquor store or bar.Firmware and simulator done; enclosure still on paper

The simulator showing the map view, 1 km across.

Started Oct 2026 · Personal project

Goal: Fit a compass, a map and a GPS into a puck the size of a pocket watch, running on a small ESP32 with very little storage.
What I did: Built around a Seeed XIAO ESP32-S3 with a round display, a 24-LED ring, an accelerometer and magnetometer, a GPS and a rotary crown. The logic is kept free of hardware calls so the same code runs in the firmware and in a PC simulator. Road maps from OpenStreetMap are packed into a compressed format the puck can read, and it can fetch fresh maps over WiFi.
Result: The map format came out 38% smaller than my first version (376 KB against 604 KB for the same 25 km of roads), measured on real map data.

Fun version: Denshi

Embedded systems / ESP32 / Firmware / GPS / Data compression / C++

11Logic AnalyzerTools for verifying embedded firmware and board layouts.

What I did: A suite of logic analysis tools for verifying embedded firmware and circuit board layouts, where hardware and firmware meet.

GitHub Fun version: Denshi

Firmware / Electronics / Logic analysis

Josh Chomiak

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