[sdiy] rotary encoder?

[mark verbos]

While I'm sure that would work fine, I have NO IDEA how to program a  
microcontroller, so that's out!


Mark



On Jan 7, 2009, at 8:34 PM, Matthew Smith wrote:

> Quoth mark verbos at 2009-01-08 11:32...
>> 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...
>
> How about a cheap encoder that does 2-bit Gray code?  You could use  
> it with a cheap microcontroller to put out your 4-bit code.   
> (Probably cheaper to use an MCU than discrete logic.)
>
> I've seen several listed in China on eBay like this:
>
> <http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=400020432401>
>
> I've got some similar for a MIDI control surface I'm designing.  I'm  
> using pots and ADCs for single-byte controllers and encoders for  
> dual-byte controllers.
>
> Cheers
>
> M
>
> -- 
> Matthew Smith
> Smiffytech - Technology Consulting & Web Application Development
> Business: http://www.smiffytech.com/
> Personal: http://www.smiffysplace.com/
> LinkedIn: http://www.linkedin.com/in/smiffy
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy