Quiz 2.3

165

02:09:01

This is a quiz buzzer circuit
There are 4 LEDs and 4 switches
The green LED at the top left is actually a buzzer but as we do not have buzzers in this app, I replaced it with an LED
The three PB arranged in a line at the bottom are the candidates
If a candidate, for example the first from the left gets to know the answer then the green LED (buzzer) will light up and the first from the left LED will light up. If any other press the buzzer after him it will have no effect, it will still be showing that the first candidate has pressed the buzzer
The PB at the leftmost is the reset button

published 7 years ago

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