1×4 Matrix Membrane Type Keypad – 4 Keys

Introducing the DC 12V 4×1 Key Matrix Membrane Switch Keypad, a cost-effective yet high-quality solution tailored to your application requirements.

Designed with reliability and affordability in mind, this 4-button keypad serves as an essential human interface component for microcontroller projects. Its adhesive backing offers convenient mounting options across a variety of applications.

The Keypad 1×4 configuration comprises a total of 4 buttons arranged in a Matrix form, eliminating the need for moving parts with its membrane design. Integration with your microcontroller circuits is facilitated by a female 5-pin berg connector.

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, 4×1 type 4 keys.
5. The sticker can peel off for adhesive mounting.
6. Used widely in industrial and home electronic equipment, instrument, etc.
7. This allows a microcontroller to ‘scan’ the 5 output pins to see which of the 4 buttons is being pressed.

Specification: