Re: Building a Better Buzzer System

--- In quizbowl_at_yahoogroups.com, ZAMM_Phaedrus <no_reply_at_y...> wrote:
> About a week ago, I got spammed by a company called LearningWare. 
One
> of their webpages included a five-team wireless buzzer system to go
> with their "gameshow" software for the low price of $1,995.
> 
> Now, in the past, I've suggested in coversation that someone should
> build a buzzer system that can be plugged into a laptop. Mike
> "Hairboy" Sorice has told me that writing a computer program to 
handle
> the buzzer system is trivial and that a buzzer can be designed from
> parts costing easily less than $100 and that it wouldn't take much
> time to do so.
> 
> It'd be nice. Heck, long-term, the software can be designed to allow
> electronic tabulating of stats from a computer/buzzer system in each
> room over a network. You can have customized sounds for buzing in 
and
> have all the bells and whistles that wow some and annoy others.
> 
> So, not having expertise in electronics, I toss this out to the 
list.
> Anyone have ideas?
> 
> Anthony

I'm a computer science major, and in the fall I'm going to be working 
on web-based software that I've already started on that would be 
useful to moderators in tournaments (basically retrieves questions 
from a database, keeps real-time stats during the game and stores 
them in a database) for my senior project. Before I started working 
on it, I did think about a buzzer system that would plug into the 
printer port of a laptop with a wireless network card, but that's a 
little more complicated than I want to go (I'm not as hardware 
oriented).

The actual buzzer system part is easy... it's a simple state machine, 
the only thing you can really worry about is ties, which rarely 
happen. The complicated part is designing a device driver that 
translates the electronic signals that the buzzer would send into the 
computer into usable code for the application. But the idea is 
certainly feasible.

Joe Grimes

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