Ultrasonic radar
Two HC-SR04 sensors, range math, a relay stream, and a live viewer. The page is a bridge with build, calibration, relay, and replay slots still to fill.
Open projectBuild stories
End-to-end projects that tie the lanes together.
Projects connect the theory, bench build, live tool, and deployment architecture into one repeatable story.
Circuit Pop architecture
Frontend, Worker API, D1 scoring, class boards, and AI spectator notes should become the next project writeup.
Open game lane