For those of you who want to build your own buzzer lock-out systems for the tournament, here is the schematic drawing necessary and a parts list. All of the parts can be purchased at Radio Shack. The total cost for building an entire set is $300. Our resident schematic expert is Krishna Shah. Should you have any questions you may reach him at (916) 353-4483. (Courtesy of the Western Area Power Administration)
These images are quite large so that you can read the small detail. Each is presented separately in a new browser window that you may scroll around or resize the window and print the image.