4×3 Matrix 12 keys Membrane Switch Keypad

From the shop's description

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