Single-chip computer keyboard / matrix keys 4X4 A keyboard 16-key industrial keyboard
An ideal input device for experimental electronics computer programming systems like Arduino, etc.
16 buttons matrix module.
It offers 0-9 numerals, A-D letters, standard star(*) and hash(#) symbols.
Excellent price-performance ratio.
Easy communication with any micro-controller.
The keypad matrix lets you quickly add controls to your electronics projects.
Fit for professional prototype, hobby or university electronics projects.
Specifications
Material: Plastic + PCB board
Design: 4×4 matrix(0-9, A-D, *, # )
Size: About 6.8×6.5cm / 2.67×2.55″