Bulkhead τ · Demos ← Demos shelf · Pose-from-Video · Skeleton Study · Skeleton + HUD combined

LabWired Serve HUD

Your serve on video. The HUD is measured handle data from Zepp, plus peak events from STM32 peak-detection firmware under LabWired. Graphics are only the overlay — not a simulated player.

Playback

Ball speed appears only after contact (~1.8s). Red marks are LabWired L∞ > 10 g edges on handle accel. Green mark is firmware phase contact.

Where each part comes from

Video: Phone recording of the serve (clip 182732, 3 s @ 30 fps)
Handle accel / phase: Zepp origins swing 1767490069922 (verified_accel_*, verified_phase)
Ball speed: Zepp CSV 80.9 mph — shown only after contact
Peak edges: LabWired + peak_detection.elf on that same accel stream
Not in this demo: MuJoCo body · agent-authored joints · pose CV (see Pose-from-Video)