Nixos

Diagnosed NixOS disk space usage with ncdu to identify the largest space consumers across system and user directories

Migrated NixOS desktop from X11 to Sway and Wayland, restoring dual monitor functionality after a BIOS update broke the second display

Restored dual-boot functionality after a BIOS update overwrote UEFI boot entries, recovering access to a NixOS / Windows 10 system

Built host-specific Borg backup automation with per-machine pattern files, session logging, and centralized archive management

Configured a reproducible Flutter and Android development environment on NixOS using shell.nix with custom package overlays

Established BLE GATT server on ESP32 using ESP-IDF, upgrading the SDK to resolve core panic memory allocation issues

Set up a reproducible ESP32 ESP-IDF development environment on NixOS by patching Nix packages and debugging the VSCode Espressif extension from source

Packaged a reproducible Rust cross-compilation toolchain for ESP32 microcontrollers using custom Nix derivations

Built reproducible Nix derivations for the ESP-IDF SDK and xtensa-esp32 toolchain on NixOS

Reverse-engineered a legacy Staübli RX90 robot controller and replaced its failing floppy boot disk with a ZuluSCSI SD card emulator after six disassembly iterations to derive a working boot image

Replaced fragile WSL serial passthrough with an internally mounted Raspberry Pi, solving persistent driver and USB connectivity issues for embedded robot control