# hardware / eda tooling built

- Numba A* single-ended and differential-pair routers; BGA dogbone escape; QFN fan-out; DDR3 plan/route/tune; 3W/5W spacing and impedance checks (~24k lines)
- Decoupling placer benchmarked on 8 open boards and 21 ICs with zero courtyard overlaps
- Multi-agent packet routing with merge gates; LLM gate evaluation against human decisions
- Browser workbench: board and schematic canvas, checks, worklists, LLM assistant, KiCad-fork Docker image
- Client deliverable site generator: per-layer SVG with cross-probing, 3D GLB, BOM, ERC/DRC, stackup, fab zips, share links

Up: https://matthewguo.me/p/hardware

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