John Tewolde — Software Engineering & Robotics Research Technical deep-dives, control systems architectures, physics simulations, and published IEEE papers by John Tewolde. 2026-10-11T20:16:26+00:00 https://coderjt-elite.github.io/ John Tewolde jg.tewolde@gmail.com https://coderjt-elite.github.io A Machine Learning Approach to Exercise Form Analysis https://coderjt-elite.github.io/research/2026-exercise-form-analysis 2026-03-01T00:00:00Z 2026-03-01T00:00:00Z Published at 16th IEEE Integrated STEM Education Conference (ISEC 2026). Investigates real-time biomechanical analysis using Flutter, Google ML Kit, and 3D Vector Triad Dot Product rotation-invariant geometry on edge devices. Published at the 16th IEEE Integrated STEM Education Conference (ISEC 2026).

Investigated the democratization of biomechanical feedback through edge-computing. Developed a rotation-invariant 3D Vector Dot Product engine utilizing Google MediaPipe/ML Kit pose landmarks, Android NDK performance gating, and Finite State Machine heuristics to detect exercise phases with real-time corrective voice feedback.

Authors: John Tewolde

Conference: IEEE ISEC 2026, Princeton, NJ

]]> Case Study: ChaseUp — Mechanics Lien Compliance & Receivables SaaS https://coderjt-elite.github.io/work/chaseup 2025-10-15T00:00:00Z 2025-10-15T00:00:00Z Architecture breakdown of ChaseUp: Next.js App Router, Supabase Auth, PostgreSQL Row Level Security (RLS), and state statutory mechanics lien deadline calculations. Architecture breakdown of a specialized invoicing and statutory compliance platform engineered for trade subcontractors.

Features state-by-state statutory mechanics lien calculation engines, multi-tier notification pipelines, and PostgreSQL Row Level Security policies.

]]> Case Study: FRC Team 1506 Robot Control & Physics Simulation Architecture https://coderjt-elite.github.io/work/frc-robot 2025-09-01T00:00:00Z 2025-09-01T00:00:00Z Physics-based simulation loop stepping at 4ms via MapleSim dyn4j, CTRE Phoenix 6 swerve drive kinematics, and dual Limelight MegaTag2 AprilTag vision fusion. Autonomous control systems and desktop physics simulation infrastructure for FIRST Robotics Competition Team 1506 (Metal Muscle).

Features MapleSim rigid-body dynamics stepping swerve physics at 4ms, Limelight AprilTag pose estimation fusion with Pigeon 2 IMU, and ballistic shoot-on-the-move targeting.

]]> Case Study: Form Analyzer — On-Device Biomechanical Vision https://coderjt-elite.github.io/work/form-analyzer 2025-08-01T00:00:00Z 2025-08-01T00:00:00Z 3D Vector Triad Dot Product formulation, asynchronous frame lock gating, and real-time exercise coaching finite state machines. On-device biomechanical coaching application calculating joint angles in real time using 3D Vector Triad Dot Product geometry with zero cloud latency.

]]> Case Study: Neon Racer 3D — WebGL & Rigid-Body Dynamics https://coderjt-elite.github.io/work/neon-racer-3d 2025-05-01T00:00:00Z 2025-05-01T00:00:00Z Browser-native 3D racing simulation with Cannon-es vehicle dynamics, AWD torque distribution, and 60 FPS Three.js rendering pipeline. Real-time 3D racing simulation running natively in the browser without third-party game engines, featuring custom vehicle dynamics and 60 FPS frame pacing.

]]> Case Study: Water Wrapped — Whitelabel Civic Open Data Platform https://coderjt-elite.github.io/work/water-wrapped 2025-03-01T00:00:00Z 2025-03-01T00:00:00Z Cloudflare Workers edge routing, tap-through story architecture, and open drinking water data schema validation. Interactive civic tech platform converting municipal Consumer Confidence Reports into mobile-first stories and searchable open data tables.

]]> Use of Computer Vision and AI Techniques for Enhancing Performance at FIRST Robotics Competitions https://coderjt-elite.github.io/research/2024-robotics-vision 2024-03-01T00:00:00Z 2024-03-01T00:00:00Z Published at 14th IEEE Integrated STEM Education Conference (ISEC 2024). Evaluated machine learning object detection and AprilTag coordinate localization on high-speed competitive robotics platforms. Filtered — Filtering Water Using a Variety of Efficient Filtration Methods https://coderjt-elite.github.io/research/2021-filtered-water 2021-03-01T00:00:00Z 2021-03-01T00:00:00Z Published at 11th IEEE Integrated STEM Education Conference (ISEC 2021). Experimental study analyzing particulate and contaminant reduction across varied filtration media. Using Technology as a Means for Musical Outreach to Nursing Home Residents https://coderjt-elite.github.io/research/2021-musical-outreach 2021-03-01T00:00:00Z 2021-03-01T00:00:00Z Published at 11th IEEE Integrated STEM Education Conference (ISEC 2021). Explored digital delivery architectures and interactive engagement tools for assisted living residents.