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Big Red Switch (IBM XT Style) with magnetic latching — image 1
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Big Red Switch (IBM XT Style) with magnetic latching

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Well... a Big Red Switch, what else? ;)

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Model information

Category
Electronics
License
Creative Commons — Attribution — Noncommercial — Share Alike

3x 8mmx3mm circular magnets

1x M4x40mm screw and a nyloc nut (or two standard nuts) are needed to lock the lever 

2x M3x40mm and two nuts are for the microswitches

2x quite “standard” microswitches (cherry, omron, or almost everything else, see picture) 

Numbers should be printed in contrasting colors and pushed into the body's grooves, or the grooves can be filled with paint. 

The lever can be printed with a translucend material (as the one in the video), there is a hole for a 5mm LED on the body side.

Assembly is a little tricky, a thick paper shim will help to hold the two body magnets in place while sliding the lever with the third magnet from the back. Or just superglue them in place, but the CLICK will be less satisfactory ;) 

Item in action:
 

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