Screenkeys are becoming incresingly popular in Point of Sale setups. These are programmable keys which have an LCD back packed over it. This allows the programmer to dynamically change the function and label of the key which works like a soft button. These are available as 32 x 16 pixel and 36×24 pixel keys, The LC series require only a clock and data line for key control.

[R]udy creates a simple “fast finger”  game using a ScreenKey. He uses a MSP4302013 to interface the ScreenKey. The following video shows the ScreenKey working.

Backup:-
Schematic: IMG

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