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    Sandvoxel/README.md

    Kyle Kovalchick

    Embedded Systems & Flight Avionics — Rust • C/C++ • Python • FPGA/ASIC test • HIL
    Email · LinkedIn


    🚀 What I’m about

    • Systems that touch real hardware: flight computers, telemetry, side-channel-aware crypto test rigs, custom tooling for silicon bring-up.
    • I value clarity over cleverness, predictable timing, and strong observability (logs, metrics, traces).
    • Currently: flight-computer R&D, ASIC validation automation, and a power-network simulator for shipboard grids.

    🧩 Highlights

    • Flight Computer (personal rocketry) — STM32-class MCU, Rust firmware, FRAM logging, watchdogs, and hardware-in-the-loop tests.
    • ASIC/FPGA Test — Python/Rust harnesses for vectors, sweep campaigns, and results diffing; reproducible benches & artifacts.
    • Power Network Sim — Fast nodal solve, breakers/bus ties, generator swing dynamics, frequency droop, UI telemetry.

    🛠️ Tech Stack (selection)

    More tools I use

    Kubernetes · Nix/NixOS · CMake · OpenCV · NumPy · PyTorch · TailwindCSS · FastAPI · Redis · PostgreSQL


    📦 Selected Projects

    • Project Zenith — Two-Stage Flight Computer

      • Rust firmware (async tasks), sensor fusion (EKF), event recorder, brownout-safe logging.
      • HIL with scripted fault injection; ground-station link for live telemetry.
    • Generator & Bus Network Simulator

      • Swing equation, AVR/gov with droop, breaker topology changes, fast nodal admittance solve.
      • Real-time UI probes for |V|/θ, P/Q, ω, and protection events.
    • ASIC/FPGA Test Harnesses

      • Vector campaign runner (Rust/Python), reproducible artifacts, dashboards in Grafana/Prometheus.

    If you’re building avionics, embedded test rigs, or power sims, I’m open to collaborating.


    📈 GitHub Stats


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    1. Quaternion-PlaygroundQuaternion-PlaygroundPublic

      A project for learning Quaternion rotation on 3D objects.

      Java

    2. Squiggly-linesSquiggly-linesPublic

      Project to learn 2d inverse kinematics.

      1

    3. Celtics-Engine/Celtics-FrontendCeltics-Engine/Celtics-FrontendPublic

      Celtics Asset Management is a Full stack application developed with the Angular JS and AWS Amplify using TypeScript, SCSS, and HTML.

      TypeScript 1 2