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08/20/00 02:34
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#4568 - Need to Make a Siren 50c51
What is the easiest way to make a audio siren. This signal will be used an error indicator in a POTS telephone handset.

I would like to use a port pin and vary it's duty cycle. What instructions would do this, 8051 assembly language please. Also, what would be the best way to integrate the square wave into a sine wave. Some kind of RC network is preferred.


Thanks in advance,

Corbin Brubaker

List of 5 messages in thread
TopicAuthorDate
Need to Make a Siren 50c51            01/01/70 00:00      
RE: Need to Make a Siren 50c51            01/01/70 00:00      
RE: Need to Make a Siren 50c51            01/01/70 00:00      
need to make lift            01/01/70 00:00      
Ulysseus and the Sirens            01/01/70 00:00      

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