Mechanical Keyboard Vs membrane keyboard 

A Membrane keyboard has  pressure sensitive membrane (rubber dome) where each keys lies on to register keystrokes.

Mechanical keyboards, however , use mechanical key switches to turn on/off the circuit.

Difference between Membrane Keyboard and Mechanical Keyboard :

Membrane Keyboard Mechanical Keyboard
It has a rubber layer for working. It has a mechanism for working.
Pressing the key, forces the rubber layer to touch circuit. Pressing the key, it touches with the mechanism on its side, which is read by circuit.
The keys has to be pressed very hard to tell the circuit that which key is pressed. The key can be pressed gently, and it will work properly.
It is economical. It is expensive.
It does not produce sound while clicking the keys. It does produce a sound on clicking.

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Why using low profile switches 

Regular Mechanical switch Versus Low profile mechanical switch


Customer has the option of 1 of the 3 switches, select here.

See the difference between the 3 types of low profile mechanical switch


How to choose the right switch?