[sdiy] interlocking switches

[JH.]

> On Sunday 14 August 2005 07:12 pm, you wrote:
> > No pic solution from my side. (But you already guessed that.)
> > http://www.oldcrows.net/~jhaible/polykorg/jh_3200_digital_1.gif
> > The drawing contains two such selectors, so you only need half of the
> > circuit.
> > Two 4000 series ICs for 8 channels.
> >
> > JH.


> which doesn't have to go to the BCD side of things at all.  

You don't have to use the BCD code. 
The 1-of-8 code is at the LEDs.

JH.