Control synchronized countdown timers across multiple display devices using WebRTC and WebSockets
One presenter controls timing, multiple displays show synchronized countdown
WebSocket-based timer that avoids network drift via client-side calculations
Visual indicators for time remaining (Green → Yellow → Red)
Unique session IDs for easy sharing without authentication
Works on desktops and large displays
Master creates a session and gets a unique session ID
Master shares the session ID with slave displays
Slaves join using the session ID
Master sets countdown duration and presses Start
Slaves display the synchronized countdown timer
Keep speakers on time with visible countdown timers
Manage Q&A sessions and speaking time limits
Time workshops, exams, and classroom activities
Keep meetings efficient with time management