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Help me design a touch 4x4 keypad matrix

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PietPompies

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Touch Keypad

Hi,

I need to design a 4x4 keypad matrix that will be placed behind a solid aluminium face-plate on an instrument - keys activated by touch. Do anybody know where I can start? I have seen this on some instruments, so it is certainly do-able.

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crazyduck

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Hello,
Go on the www.qprox.com site, you can found circuit to make sensitive keyboard. I try this, and it's work good.

CD :D
 

Sebi

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I think,You talk about a pressure-sensitive, vandal-protected keyboard.It contains piezo-elemente.Manufacturer: SCHURTER
 

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