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Re: gEDA-user: fitting a board into a chassis



Bob Paddock wrote:
On yet another note, has anyone used metal dome push-button switches?

I have used membrane switches with domes.  Check their rated life.
After a few hundred thousand operations some of them collapse and short.
Can happen if you are designing equipment for years of service.

http://www.duraswitch.com claim to not have this problem.



This idea is fading for me. I think it's going to be better to use a tactile momentary push-button switch. My search is ongoing. I'd like to find one that allows a long enough button so I can mount it on main pcb, and make the pcb small enough to allow some fitting slop. Otherwise, I'll go with plan 'b' and make a small button board :)


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