[sdiy] keyboard question

[Tom Wiltshire]

On 13 Apr 2009, at 03:33, Ian Smith wrote:

>
> Does anyone besides Samppa have a suggestion about making a PCB  
> contact buttonboard for a CV concertina and the black (most likely  
> conductive stuff) on the contacts under the rubber button bits.  
> Sorry for the not so technical speak.
> -Ian

Yes, I do. I have a load of those little rubber dimples with  
conductive rubber on the bottom of them. I got them from the keyboard  
of a dead Atari ST. You could easily do the same, and then design a  
PCB with the fingers in the right place for a concertina layout.  
Samppa has a point that they're not the most reliable switches in the  
world, but to be honest, the ST keyboard never seemed to give any  
problems.

T.