Here are ideas, plans and other resources for DIY buzzers compatible with Game Show Presenter software. (If you have a buzzer solution to share, let us know!)
Here's an outstanding DIY buzzer project tutorial. Dan Hoover is the man with the solderless plan. But more importantly, his project is flexible and has great features and options. Dan lays out the plans to give you lots of choices.
Here's what you'll find:
How to build a buzzer brain using KeyWhiz, I-PAC or another keyboard controller.
How to build handheld buzzers
How to build a simple slap button box
How to use RJ-45 jacks for connections
How to add host control buttons for the SPACE key (to advance after pause) and ENTER key (pass a question).
How all this works with Game Show Presenter software.