power - Can anyone tell me why my game buzzer isn't working

Game Show Buzzer Circuit Diagram

Game schematic buzzer using anyone tell working why me circuit relays isn circuitlab created stack Four player quizz buzzer

Buzzer quiz circuit diagram engineersgarage electronic circuits 2-1 quiz buzzer circuit diagram Circuit buzzer diagram player quiz engineersgarage four

Four Player Quizz Buzzer - Circuit Diagram & Implementation

Four Player Quizz Buzzer - Circuit Diagram & Implementation
Four Player Quizz Buzzer - Circuit Diagram & Implementation

2-1 Quiz Buzzer Circuit Diagram
2-1 Quiz Buzzer Circuit Diagram

power - Can anyone tell me why my game buzzer isn't working
power - Can anyone tell me why my game buzzer isn't working