Most QWERTY computer keyboards use a single rubber-like membrane underneath the keys that makes contact with a circuit board when the key is fully depressed. Also called a "dome switch keyboard ...

In the Model M, the paddle closes a membrane switch ... but a lot of the legwork has already been done. The keyboard controller board was already taken care of thanks to [xwhatsit]’s modernization.

What was less spectacular about the Spectrum was its awful keyboard: although a step up from the flat membrane keyboards ... rear panel also allows several board-level modifications, like ...

Look at this article as less of an in-depth build tutorial and more of a compilation of my experience building my first ...

A key switch is a small physical mechanism that sits under every key and tells your keyboard's PCB ("printed circuit board") ...

Mechanical keyboards are very much appreciated by fast typists because they have a springiness and feel that is not the same as the low-cost membrane keyboard accompanying most computers.