FlipOff Split-Flap Display Emulator Skill by ara.so — Daily 2026 Skills collection. FlipOff is a pure vanilla HTML/CSS/JS web app that emulates classic mechanical split-flap (flip-board) airport displays. No frameworks, no npm, no build step — open and you have a full-screen retro display with authentic scramble animations and clacking sounds. --- Installation Audio note: Browsers block autoplay. The user must click once to enable the Web Audio API context. After that, sound plays automatically on each message transition. --- File Structure --- Key Configuration — Everything you'd want to cha…