4x4 Matrix Membrane Keypad

This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.

Key Features:

• Ultra-thin design & adhesive backing provides easy integration to any project  
• Excellent price-performance ratio  
• Easy communication with any microcontroller
• Each button is rated for 10,000 key presses before failure

Application Ideas:

• Security systems
• Menu selection
• Data entry for embedded systems 

This product is also sold by Parallas under stock #27899 and you can find more information about how to use it in this link: http://www.parallax.com/product/27899