Hardware
Radio hardware, board interfaces, and relay control, with attention to battery and solar power budgets.
JohnneyleeRollins.
Hardware. Software. AI.
johnneylee.com / johnneyl.ee
Areas of focus
Software
Firmware, Linux and kernel development, applications, and the infrastructure that connects them.
AI
Local models, agent tooling, and automation that connects AI to real systems and workflows.
Selected work
Embedded systems, distributed software, and engineering tools.
ESP32 / DISTRIBUTED SYSTEMS
Atlas
Built with Nelua and Lua on ESP32, Atlas brings distributed systems to the field and feeds animals across North America. It combines offline-first LoRa communication and reliable scheduling on power-budgeting field hardware.
TERMINALS / GAME INTEGRATION
View on GitHubGhostty Dalamud
Ghostty terminal integration for Final Fantasy XIV through Dalamud.
DISTRIBUTED SYSTEMS / RESEARCH
Explore CursorsCursors
A distributed-systems research prototype for portable computation with cryptographically signed execution history. Cursors combines an executable runtime model, SQLite-backed continuation scheduling, and an interactive console for inspecting execution and peer connectivity.
DATA INTEGRITY / WEB SECURITY
SignedData / SignedForm
SignedData explores compact, verifiable data envelopes with bounded parsing and authentication of the original bytes. SignedForm brings signed field policies to Rails forms, with destination checks and view-digest validation.
NELUA / EMBEDDED SYSTEMS
Learn about NeluaNelua
I use Nelua extensively across Atlas: the native firmware core, Ranger’s radio and modem interfaces, and Dial’s device drivers, graphics, and Bluetooth support. Lua-like syntax compiled through C to native code gives me direct hardware access and explicit control over memory.
Spaceghost
Explore repositories and contributions