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8 Player quiz buzzer
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● 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 circuit is once a team has press the switch others are not allowed to press the switch therefore it block other participant.
● So with the help of this circuit you can easily identify the contestant who has press the switch first.
● You can use variable power supply ranging from 6V to 15V.
● You can provide power supply with the help of adapter readily available in market or you can make your own power supply with help of transformer and bridge rectifier.
● Advantage of this circuit is once a team has press the switch others are not allowed to press the switch therefore it block other participant.
● So with the help of this circuit you can easily identify the contestant who has press the switch first.
● You can use variable power supply ranging from 6V to 15V.
● You can provide power supply with the help of adapter readily available in market or you can make your own power supply with help of transformer and bridge rectifier.
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