Since you specified mechanical solution I vote for a stack of 50=20
microswitches operated by either a half round cam (think dowel with a=20
flat side) or a plate across the buttons hinged on the ends. Or the=20
actuator could be a simple piano hinge.

On 9/9/2013 12:59 AM, YES NOPE9 wrote:
> I would like to A/B switch 50 digital signal lines with a mechanical swit=
ch.   Switch must be break before make.  Switch time can be several seconds=
..  Number of cycles will be less than 5000.  Does any product or design con=
cept exist ?
> Best
> Gus in Denver

--=20
John Ferrell W8CCW
To steal ideas from one person is plagiarism.
     To steal from many is research.


--=20
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