4×3 Matrix 12 keys Membrane Switch Keypad

This DC 5V 4×3 Matrix 12 keys Membrane Switch Keypad is high-quality soft touch feeling button matrix with 100 million life-stroke lifespans and good resistance to environmental conditions. It is a high-quality product at very low cost for your application needs.This 12 button device provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount it on variety of applications.

It has total of 12 buttons in Matrix form without any moving parts. A female 7-pin berg connector is required for interfacing it with your microcontroller circuits.

Features:

• Excellent price-performance ratio.
• Sticker can peel off for adhesive mounting.
• 5 pins 2.54mm pitch connector, 4×3 type 12 keys.
• Easy communication with any microcontroller.
• Ultra-thin design & adhesive backing provides easy integration to any project.
• 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.

Applications:

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

Package Includes:

• 1 x 4×3 Matrix 12 keys Membrane Switch Keypad