A Sawtooth Where the Noise Was
8th August 2026, 4:45pm · 12 min read
An EMOTIV EPOC headset from 2013, its USB receiver, and no vendor software. Identifying the dongle took minutes. Getting it to emit a single packet took hours and turned out to be a switch. Decrypting the stream took one run once I stopped trusting the documentation and scored every candidate key against real packets.