4 X 4 Matrix Array 16 Key Membrane Switch Keypad Keyboard for Arduino

The **4x4 Matrix Array 16-Key Membrane Switch Keypad** is a compact and reliable input device designed for Arduino, AVR, PIC, Raspberry Pi, and other microcontroller projects. Featuring 16 responsive keys arranged in a 4x4 matrix layout, this membrane keypad is ideal for password entry systems, calculators, security panels, robotics, and DIY electronics projects. Its lightweight, slim, and durable design ensures easy integration into embedded systems while providing smooth and accurate key response. With simple matrix scanning compatibility and low power consumption, this keypad is perfect for students, hobbyists, engineers, and makers developing interactive electronic and automation applications.