4×4 Switch Keypad Matrix Keyboard Module

The 4×4 Switch Keypad Matrix Keyboard Module is a 16-key input device designed for use with Arduino, microcontrollers, and embedded systems. It features a 4-row by 4-column matrix layout, enabling efficient button scanning while minimizing the number of required I/O pins. This keypad is ideal for projects that require multiple user inputs, such as security systems, password entry, and menu navigation.

Key Features:

• 16-Key Layout: Includes digits (0-9), function keys (*, #), and additional customizable keys.
• Matrix Configuration: Uses a 4×4 setup to reduce GPIO pin usage while maintaining functionality.
• Arduino & Microcontroller Compatible: Easily interfaces with libraries like “Keypad.h” for simplified coding.
• Durable & Reliable: Designed for consistent and long-lasting performance.
• Versatile Applications: Perfect for security systems, access control, robotics, automation, and interactive projects.

This 4×4 keypad module is an excellent choice for applications that require compact, multi-key, and user-friendly input solutions.