This Arduino 4×3 Matrix 12 keys Membrane Switch Keypad is high-quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. This  4×3 Key Matrix Membrane Switch Keypad is a high-quality product at very low cost for your application needs.This 12-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.

The Keypad 4×3 features a total of 12 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 7-pin berg connector is require for interfacing it with your microcontroller circuits.

Features :

1. Ultra-thin design & adhesive backing provides easy integration to any project
2. Excellent price-performance ratio
3. Easy communication with any microcontroller
4. 5 pins 2.54mm pitch connector, 4×3 type 12 keys.
5. Sticker can peel off for adhesive mounting.
6. Used widely in industrial and home electronic equipment’s, instrument, etc.
7. This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed.