zeborah: On the shoulders of giants: zebra on a giraffe (science)
This was broken in half and abandoned on the footpath, keys scattered, and I was curious. So I took it home and finished pulling (/unscrewing) it apart.

Keyboard deconstructed

The keys clip in so are easy to pull out. Behind each one is a plastic doodacky that compresses for smooth typing, but presses down on the circuit sheets. There are three of these: the outer two have lines and junctions, the middle one keeps them apart but has holes in so when the key comes down, it presses the junction on top against the junction below. A circuit is thereby completed with the circuit board in the top-right corner. This consists of four capacitors, three LEDs (for num lock, shift lock, and scroll lock), and on the other side lots of etched circuitry, an area where the USB cord connection's been ripped away, and a black splodge which covers the microchip which makes it work.

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zeborah: Map of New Zealand with a zebra salient (Default)
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