Is this a replacement or for a new design?  Because if it is a new design 
(and the current is small) you can make one digitally...if you have the time 
and money budget :-)    It might be fun to do that.  But it might be a lot 
easier to buy a switch :-)


----- Original Message ----- 
From: "Adam Field" <adam@badtech.org>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Friday, April 30, 2010 5:40 PM
Subject: Re: [EE] Find a Switch


>> The switch can rotate on both directions with no limit, on rotate
>> clockwise, one set of contact switches on/off and the switch makes a
>> click sound, on rotate the opposite direction, another set of contact
>> makes sequence of on/off contacts.
>>
>
> http://en.wikipedia.org/wiki/Rotary_encoder
>
> Search rotary encoder on Mouser or Digikey or any of the big
> electronic suppliers.
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