The 4x4 Matrix Keypad is a compact and efficient input device designed to offer sixteen individual buttons arranged in a 4 by 4 grid. This keypad is commonly used for entering numbers, commands, or navigation inputs in embedded systems, security panels, and interactive displays. Perfectly compatible with popular microcontrollers such as Arduino, Raspberry Pi, and PIC, it reduces wiring complexity while providing expanded functionality for your projects. Lightweight and robust, it’s a favorite choice for makers and tech enthusiasts throughout Bangladesh aiming for seamless human-machine interaction.