A sturdy 4×4 matrix keypad with 16 buttons, providing a durable tactile input option for microcontroller projects. This hard-button keypad offers a more robust feel compared to membrane keypads, making it well-suited for frequently used interfaces.

The keypad uses a standard 8-pin matrix layout — four row pins followed by four column pins (left to right). It works with the popular Arduino Keypad library and is compatible with Arduino, Raspberry Pi, and other microcontrollers.

Key Features

• 16 Hard-Button Keys – 4×4 matrix layout (0–9, A–D, *, #)
• 8-Pin Interface – 4 row pins + 4 column pins for simple matrix scanning
• Durable Construction – Sturdier hard-button design for frequent use
• Wide Compatibility – Works with Arduino, Raspberry Pi, ESP32, and other microcontrollers

Ideal For

• PIN code entry and access control
• Menu navigation interfaces
• Calculator and data entry projects
• Control panels and interactive builds

Package Contents

• 1× 4×4 Matrix Keypad

Resources

• Arduino Keypad Library