Description
Keypad Matrix Module For Raspberry Pi, Arduino, ARM, DSP, AVR, PIC, 8051
EnGeniusLab Introduce the compact 4x4 Keypad Matrix Module. In the application system of microcontroller, keyboard is essential in man-machine dialogue. When you are short of a button, you can connect one to the I/O port of the controller; but when you need a lot of buttons with limited I/O port resources, this 4*4 Matrix Keypad is no doubt your best choice. 4*4 matrix keypad is the most applied keypad form. The key layout is in matrix form, so with only eight I/O ports, we can identify 16 buttons, saving lots of I/O port resources.
Special Feature:-
• 4*4 matrix keypad
• Eight I/O ports, can identify 16 buttons.
• Material: FR4
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