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Re: attendance system in pybluez

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  Re: attendance system in pybluez Terry Reedy <tjreedy@udel.edu> - 2014-08-09 13:43 -0400

#75953 — Re: attendance system in pybluez

On 8/9/2014 12:26 PM, Dennis Lee Bieber wrote:
> On Sat, 09 Aug 2014 14:01:53 -0700, luofeiyu <elearn2014@gmail.com>
> declaimed the following:
>
>> I want to write a program to help my teacher to take attendence.
>>
>> There are 300 students in a big room,everyone has android phone.
>> I have matched them with my pc in win7 .
>> when all of them seated on the classroom,
>>
> 	As soon as I learned someone was using bluetooth presence to determine
> I was in such a class -- I'd turn the bluetooth feature off!

And if attendance was part of your grade?

Actually, I agree with you and Steven that the premise that all have an 
android phone, with battery charge, turned on, with bluetooth enabled, 
is a bit dubious.  At the Univesity of Delaware, students buy a 
'clicker', about $20, with an ID (I presume) and a few buttons for 
answering pop quizzes.  I can only guess that they use bluetooth, but 
with extremely limited function and probably no writable memory, power 
draw is minimal and hijacking not an issue.

-- 
Terry Jan Reedy

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