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 Circuit buzzer diagram player quiz engineersgarage four

2-1 quiz buzzer circuit diagram Buzzer quiz circuit diagram engineersgarage electronic circuits Four player quizz buzzer

2-1 Quiz Buzzer Circuit Diagram

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

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