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What's inside a Capacitive Keyboard

This is a Niz Keyboard.

and from the image provided by Niz. A capacitive switch looks like this.

Let's start and break it down!

Keycaps off. Separate the two and bottom case next.

 

Here's the barebone. PCB is in red color. The left green chip is the bluetooth chip. PCB is attached to the top plate with many screws.

 

so these are the capacitive switches.

 

After removing the spring.