[sdiy] rotary encoder?

[Dave Kendall]

I wondered if a 74C922 might do the trick, along with a regular 12 way 
1 pole......



On Jan 8, 2009, at 17:14, Ingo Debus wrote:

>
> Am 08.01.2009 um 02:02 schrieb mark verbos:
>
>> I have a situation where I'd like a 12 position rotary switch to 
>> output a parallel 4 bit digital word.
>
> You could use a standard rotary switch and two 74xx148 chips. If you 
> need only 10 postions, you could use one 74xx147 instead.
>
> Funny that no-one else mentioned this option. Two 74hc148 sure aren't 
> more expensive than a cheap micro.
>
> Ingo
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