8 Player Quizz Buzzer System Using Arduino

8 player quiz buzzer can be used in various competition organise in school and colleges to identify the team who has pressed the buzzer first. Advantage of this quiz buzzer circuit is once a team has press the switch others team may press the switch but only number. displayed on display who press switch first. So with the help of this circuit we can easily identify the contestant who has press the switch first. Let build the circuit using a ARDUINO NANO which read the input from push buttons and displays the corresponding number on a display device. It is a simple circuit with minimum number of components and easily can build. The ARDUINO takes into account the time delay between two buttons and the accurate number is displayed. When one of the buttons is pressed, the buzzer starts ringing and the corresponding number is displayed on the 7 segment display.”

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