[sdiy] Push buttons with nice light action

[Scott Juskiw]

I've been using these for a few years now. They don't snap, but they  
work just fine, no problems with any of them so far. Here's a picture  
of one in use:

http://www.tellun.com/motm/diy/tln866/TLN-866_prototype.jpg

Requires a half-inch hole.

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>
> fwiw, dave bradley proposed the digikey #EG1938-ND (red, other  
> colours available) switch for MOTM ages ago. they're $3.77 in small  
> quantities, $2.90 for 100-250.