[sdiy] rotary encoder?

[Ingo Debus]

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