4×4 Matrix 16-Key Keypad

The 4×4 Matrix 16-Key Keypad is a versatile input device featuring 16 push buttons arranged in a matrix layout. This design allows for efficient user input while minimizing the number of pins needed to connect the keypad to electronic systems. It is commonly used in applications such as access control panels, security systems, calculators, and various microcontroller-based projects, including Arduino and Raspberry Pi builds. The keypad’s matrix format enables easy scanning of multiple keys with fewer connections, simplifying integration and reducing wiring complexity. Its compact and lightweight construction makes it ideal for embedded electronics projects and systems where space is limited.

KEY FEATURES
The keypad features a 4×4 matrix layout with 16 individual keys, each designed for reliable operation. The use of a matrix scanning method reduces the number of required input pins, making it simple to interface with microcontrollers and other controllers. The buttons are built with a durable membrane or tactile design, ensuring long-lasting performance even with frequent use. The keypad’s compact size and lightweight build make it suitable for installation in small enclosures, control panels, or handheld devices. It is ideal for applications such as password entry, menu navigation, and other user input tasks in both consumer electronics and DIY projects.