Viewer contract
The browser listens to a WebSocket relay and renders the latest target state. It does not control hardware from the public page.
Radar tool
Live 2-D ultrasonic tracking.
The radar surface is a read-only viewer for range, bearing, speed, confidence, and short-horizon prediction. It can use the default relay, a custom relay query parameter, or demo mode.
Math link
The display depends on two ranges, a known baseline, trilateration, and finite differences.
Open radar mathProject link
The project page is the place for build, calibration, relay, and replay notes.
Open radar project