3x4 Matrix 12 Keys Button Keypad Keyboard PCB Breadboard Switch Module MCU for Arduino
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.
Material: plastic + PCB board
Design: 4x3 matrix (0-9, *, #)
Size: about 7x5cm / 2.75x2"
Main color: black
1 X mini 3*4 12 keys matrix keyboard