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koenigr/README.md

Hi there 👋

Curious about how computers work beneath the abstraction layers.

Most of my repositories are experiments around firmware, embedded systems, operating systems and systems programming - usually in C, occasionally in Assembly, and always with the goal of understanding what's really going on.

Things I like tinkering with

  • UEFI and boot environments
  • Embedded development on STM32
  • Raspberry Pi experiments
  • C/C++ and a bit of Assembly

If there's a black box, I'll probably try to open it.

Most of my repositories started with a simple question: "How does this actually work?"

Pinned Loading

  1. uefi-playground uefi-playground Public

    Hands-on UEFI development playground using GNU-EFI, OVMF, and QEMU.

    C 1

  2. stm32f407-register-level-access-control stm32f407-register-level-access-control Public

    Bare-metal STM32F407 access control system featuring custom register-level GPIO drivers, keypad scanning, PIN authentication, lockout protection, and hardware abstraction without HAL/CubeMX.

    Assembly 1

  3. PiPong PiPong Public

    Distributed C game system built for a 4-node Raspberry Pi mesh network, currently refactored into a single Pi / simulated multi-node architecture.

    C 1

  4. memtest86plus_debug memtest86plus_debug Public

    Forked from memtest86plus/memtest86plus

    Official repo for Memtest86+ v6.00 (based on pcmemtest)

    C 1

  5. memtest86plus/memtest86plus memtest86plus/memtest86plus Public

    Official repo for Memtest86+

    C 1.7k 131