[sdiy] rotary encoder?

[Dave Manley]

Dave Manley wrote:
> mark verbos wrote:
>> Hi,
>>
>> I have a situation where I'd like a 12 position rotary switch to 
>> output a parallel 4 bit digital word. I searched absolute rotary 
>> encoder at mouser and they're $88. Isn't there a cheap part out there 
>> that does that? Obviously, I could use 50 diodes to make a regular 
>> rotary switch do that...
>> Has anyone done this before?
>>
> Search for 'coded rotary switch'. These are available for a few bucks:
>
> http://www.mouser.com/Search/Refine.aspx?Keyword=coded+rotary
>
> In the past I've seen 10 and 16 position versions.  Haven't looked for 
> 12 position.
>
Mouser has this part, claims to have an adjustable stop for 2-15 
positions: http://www.lorlinelectronics.com/pdf/BCK.pdf

http://www.mouser.com/Search/Refine.aspx?N=254106&Keyword=10bck1019&FS=True

-Dave