September 12th, 2013


Ye olde game-show button circuit.

You know that typical game-show or quiz-bowl buzzer system, where each contestant gets a button and the first to press it is allowed to answer the question the host asked?

Someone asked for a circuit to implement such a system. I have dim memories of seeing designs for such systems in the distant past, but nothing I could remember clearly. So I decided to design my own.

Collapse )