[K12OSN] I need some software to automate the recess buzzers

Doug Simpson veewee77 at alltel.net
Wed Nov 2 17:14:52 UTC 2005

There is actually a parallel port driver for sound and you make a small 
interface and you can play sounds through your parallel port.  I have 
not tested it but I thought it was interesting. . .

Huck wrote:

> This sounds like it would be an awesome little application.
> Some form of a gui to create an editable schedule(s) that can be 
> applied to the current day/week/month/etc...
> With the ability to record from a mic an announcement and plug it in 
> at a specified time, as well as play default sounds...
> then even if it only output to the soundcard that would be something 
> that most PA-systems could utilize(probably a bit easier than a 
> parallel port)
> Times like these I wish I were a programmer!
> --Huck
> Keith Olson wrote:
>> Tim Litwiller wrote:
>>> I'd like to setup a computer at a small school - ( that currently 
>>> has no computers) and they also need some way to automate the 
>>> beginning and end of day and reccess buzzers.  Is there some 
>>> software that is available to run on a K12LTSP that could do this?  
>>> I'm hoping that by having a ltsp server maybe they will start with 
>>> doing typeing classes with some terminals and work them into more as 
>>> they get used to the idea.
>> That sounds like a job for..... SUPER CRON!!!  (Sorry, couldn't 
>> resist.)  Seriously though, you could have a job that 'printed' 
>> something on an otherwise unused parallel port whenever you wanted a 
>> bell to ring, and hook up a relay to one of the output pins.  The 
>> relay could do anything from ringing an actual bell to (with a bit of 
>> soldering) replacing/parallelling a switch if your bells are electronic.
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