Coding for a wired buzzer system, usable for games or quizzes. Features:
Demonstration video
Simple three button control
- Red button: Lock all buzzers
- Green button: Unlock active buzzers
- Yellow: Pick single active buzzer
Advanced context-aware functions
- "Wrong answer": Red button after buzz keeps current buzzer disabled
- "Right answer": Green button after buzz reactivates all disabled buzzers
- "Noone knows": Green button when buzzers are already unlocked reactivates all buzzers
- "Skip sounds": Yellow button after buzz/pick skips the sound / countdown
Customizable
- Pins, tones, countdown length and more are defined in the main *.ino file on the top
LEGO case for arcade buttons
- Building instructions as a PDF here
- Repo also contains 3D model file
