3x4 Matrix 12 Keys Button Keypad Keyboard PCB Breadboard Switch Module MCU for Arduino Diy Kit

Feature:
100% brand new!
Ideal input device for experimental computer programming systems such as for Arduino
12 button matrix modules.
It provides 0-9 digits, standard asterisk (*) and hash (#) symbols.
Excellent value for money.
Easily communicate with any microcontroller.
The keyboard matrix allows you to quickly add control to your electronic project.
Suitable for professional prototypes, hobbies or university electronics projects.

Product specifications:
Material: plastic + PCB board
Design: 4x3 matrix (0-9, *, #)
Size: about 7x5cm / 2.75x2"
Main color: black