John W. Cornwell Home

Buzzer System

I build this device for a game show run by Cable 13, the student run TV station at Duke. It is a three person system, with handheld buzzers and a box with lights for each contestant. It is controlled by an Atmel ATINY26 programmed in C. Whenever a contestant buzzes in, it sounds the buzzer, blocks out the other two contestants, and lights the contestant's personal light box.

I apologize for not having more images of the device; cable 13 has been slow in sending me footage of it being used in action.

Inside the main buzzer module:

Copyright © 2005 – All Rights Reserved