Re: Buzzer/Lockout systems???

--- In quizbowl_at_yahoogroups.com, "sumo6" <sumo6_at_y...> wrote:
> Need help finding a STURDY, RELIABLE buzzer system.  Purchased one 
> last year and it was a piece of junk.  Any suggestions?  THANKS.  
Or, 
> does anyone have the specs and schematics to build one.  It would 
be 
> a great project for my students.  THANKS AGAIN.

I actually do happen to have a schematic for a system. I don't know 
what level of engineering knowledge your students have, but it's not 
terribly hard to build. Email me at jerry_vinokurov at-sign hotmail 
dot com if you're interested.

Jerry

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