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Looking for a piezo buzzer for a Logic Board - need some help with the basics
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daviddschool  
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  More options Nov 20 2008, 2:15 am
Newsgroups: sci.electronics.design
From: daviddschool <daviddsch...@gmail.com>
Date: Wed, 19 Nov 2008 13:15:22 -0800 (PST)
Local: Thurs, Nov 20 2008 2:15 am
Subject: Looking for a piezo buzzer for a Logic Board - need some help with the basics
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Hi,
I am looking for a little buzzer to use in a student project that will
"buzz" for a wrong answer.  The students are using a 9 volt battery
with this in a parallel circuit.

I don't know much about piezo buzzers, so I can't tell you how they
sound or if they just vibrate lightly, but it is for a Logic Board
whereas the student touches the wrong answer and it buzzer to indicate
that it is wrong - it doesn't have to be a resounding GONG, but I am
hoping it is at least loud enough that the student knows the answer is
incorrect.
DO you know if this buzzer will work well for this task?
How about this buzzer here from Ebay :  Do you think this might work?

http://cgi.ebay.ca/Lot-of-6-Piezo-Electric-Buzzer-w-Internal-Circuici...66%3A2|65%3A12|39%3A1|240%3A1318


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Discussion subject changed to "Looking for a piezo buzzer for a Logic Board - need some help with the basics" by Rich Grise
Rich Grise  
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  More options Nov 20 2008, 2:58 am
Newsgroups: sci.electronics.design
From: Rich Grise <r...@example.net>
Date: Wed, 19 Nov 2008 21:58:07 GMT
Local: Thurs, Nov 20 2008 2:58 am
Subject: Re: Looking for a piezo buzzer for a Logic Board - need some help with the basics
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On Wed, 19 Nov 2008 13:15:22 -0800, daviddschool wrote:
> I am looking for a little buzzer to use in a student project that will
> "buzz" for a wrong answer.  The students are using a 9 volt battery with
> this in a parallel circuit.

> I don't know much about piezo buzzers, so I can't tell you how they sound
> or if they just vibrate lightly, but it is for a Logic Board whereas the
> student touches the wrong answer and it buzzer to indicate that it is
> wrong - it doesn't have to be a resounding GONG, but I am hoping it is at
> least loud enough that the student knows the answer is incorrect.
> DO you know if this buzzer will work well for this task? How about this
> buzzer here from Ebay :  Do you think this might work?

> http://cgi.ebay.ca/Lot-of-6-Piezo-Electric-Buzzer-w-Internal-Circuici...66%3A2|65%3A12|39%3A1|240%3A1318

Yes.

Be sure and watch your polarity!

Cheers!
Rich


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