4 x 4 Matrix Array 16 Key Membrane Switch Keypad Keyboard for Arduino/AVR/PIC (2-Pack)

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Feature

Ultra-thin design & adhesive backing provides easy integration to any project
Excellent price-performance ratio
Easy communication with any microcontroller
(2) Keypads
(2) 8-Pin Arduino Breadboard Header Connector Attachments

Description

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

Security systems
Menu selection
Data entry for embedded systems Included are two 8-Pin Header Connector Strip for Arduino