DC 12V 1×4 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs.

This 4-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 1×4 features a total of 4 buttons in Matrix form. This is a membrane keypad with no moving parts. A Male 5-pin berg connector is required 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. This allows a microcontroller to ‘scan’ the 5 output pins to see which of the 4 buttons is being pressed.