Moving Files Phone to Phone With Nothing But a Screen
One handset blinks animated QR codes, the other films it, and a byte-identical file comes out. Fountain codes, because there is no back channel.
Build logs
Projects
Each one is a working tool with the tutorial that gets you to the same place. Failures included, because those are the part worth reading.
Finding Ships in Radar, Without a Neural Net
A local SAR vessel detector built on free Sentinel-1 imagery. CFAR detection, a physics-based classifier, and an honest accuracy number.
A TAK Server in Pure Python, No TAK.gov Account
Cursor-on-Target over TCP and UDP, SQLite for state, a Leaflet dashboard, and a setup wizard that hands a new operator a QR code.