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Help me make a buzzer system for my classroom. Answered

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I am a Philadelphia public school teacher and I would like to make some type of "ring in" or buzzer system so small groups of students can compete in review games. Ive been trying to do some research with LED's and simple circuits but I dont have the know how to make sense of it all. I am certain that someone on this site does. If you could help me out or point me in the right direction my students and I would greatly appreciate it.

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c735jim (author)2012-08-24

https://www.instructables.com/id/Quiz-Show-Buzzer-System-using-Staples-Easy-Button/#step1 - I'm not an electrician, however, this one looks like something simple enough to build.

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Goodhart (author)2008-12-23

This one here looks to be like one of the simplest ones I have seen. The one at this site is simply overkill...

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=SMART= (author)Goodhart2008-12-24

Blimey that is one insane jeopardy game !

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Goodhart (author)=SMART=2008-12-24

If you mean that second link, yeah, that is a bit over the top ;-)

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=SMART= (author)Goodhart2008-12-24

The circuitry is so complicated lol

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Goodhart (author)=SMART=2008-12-24

It is MUCH unnecessary complexity for the job it needs to do.

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memyselfand1 (author)Goodhart2009-01-31

They did say it was a challenge, but they also said it was cheap to build...

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Plasmana (author)Goodhart2008-12-26

Man! That is so complex!

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Goodhart (author)Plasmana2008-12-26
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FaqMan (author)2008-12-24

The second link would be a wick Instructable to even do. For a class room buzzard though it is over kill.

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Chicken2209 (author)2008-12-23

if you'd rather, it can be a good idea to follow KISS
there is a simple game called hands down that one of my teacher uses
it might be cheaper to make

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Goodhart (author)Chicken22092008-12-23

It might be easier to break, don't you think?

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Chicken2209 (author)Goodhart2008-12-23

we havent broken it yet, and we go to town on that thing

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NachoMahma (author)2008-12-23

. Are you looking for something similar to the Jeopardy setup? When the first person "buzzes in," their indicator lights up and the others are locked out? If so, try this:
http://www.google.com/search?&q=Jeopardy+%2Bbutton+%2Bschematic

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