$ ls /work
Selected work
Five programs we can talk about. The directory is longer than the listing.
Offline Transaction Card
A touchscreen payment card that transacts with the network off, in a true credit-card footprint.
- Bistable electrochromic display
- Capacitive touch
- On-card secure element
- Post-quantum cryptography
- Custom low-power OS
Smart Pour Spout
Passive, per-pour liquor inventory for bars, invisible to the bartender, unmissable to the ledger.
- Liquid flow sensing
- 6-axis inertial sensing
- Sensor fusion
- Magnetic charging
- Audit dashboard
Trading Terminal
A family office's entire trading desk, rebuilt inside the spreadsheet they already trusted.
- TypeScript
- Python
- Redis TimeSeries
- Grist
- Docker
- On-prem GPU inference
- Local LLM (30B)
- Kernel-bypass NIC
- GPS-disciplined clock
- On-desk arming console
- Secure-element key
- Broker API
ZoneTrace
Real-time visitor tracking and zone control for the data centre: every person on the floor as a live dot, every zone enforced automatically.
- Bluetooth AoA positioning
- Tamper-evident wristband
- On-prem positioning engine
- Real-time zone enforcement
- Live operations dashboard
Core Compute Cylinder
One cylindrical computer. Snap on a screen and it's a tablet; add a keyboard and it's a laptop; fold two panels and it's a book.
- Core Compute Cylinder (SoC)
- Hot-swap module interface
- Multi-display drivers
- Module-aware firmware
- Bidirectional power
FuelTrack-140
A twin-bore fuel meter for trucks: what the engine actually burned, and where the truck was when it burned it.
- Twin-bore differential flow block
- Solid-state sensing · no moving parts
- GPS · AIS 140-ready design
- Store-and-forward telemetry
- Per-vehicle fuel ledger
Galvani One
A PCB fab on 1.5 m of bench: light writes, copper grows.
- Additive copper plating
- Maskless DLP lithography
- Coreless multilayer build-up
- Embedded silicon
- Sealed cartridge chemistry
ls: ./client-programs: permission denied
Additional programs in sensing, embedded systems, and product R&D run under NDA. References available in conversation.