• Quiz show indicator

    Here`s a simple, cheap circuit that will let you conduct your very own quiz shows. It has a lamp and a button for each player. When a button is pressed, it lights that player`s lamp and locks out ...

  • Quiz game circuit

    Notes: This design uses four IC`s and has four input circuits and four independent outputs and a single master reset switch. The outputs here are LED`s but may be modified to drive lamps or ...