Electronic Jam / Abd Rahim Hashim and Meor Hussein Mat Ali

We are developing an Electronic Jam circuit. This jam circuit can be used in quiz contests wherein any participant who pressed his button or switch before the other contestants, get the first chance to answer a question. There have a limit where only 8 contestants maximum can participated or 1-8 participants recommended not more than that. The display will show the number of the contestant who pressing his/ her button before the others from the description of the game, several the major subsystems are needed where one-digit on display for the rolling digit and the pay off, the display will show the contestant who pressed his button. At the same time, the buzzer will also sound.
Nowadays, quiz contest become popular such we seen it from electronic media. In developing this project, we have to improving our technique to show the necessary output to prove the function of it. This project does not have much problem to make because only used simple electronic device. The techniques for this project are not very complex, all basic components are easy to find and very cheap cost.