4x4 16-Key Membrane Switch Keypad Module (MD0062)

4x4 16-Key Membrane Switch Keypad Module (MD0062) Product Description The 4x4 16-Key Membrane Switch Keypad Module (MD0062) is a compact and reliable input device designed for Arduino, ESP8266, ESP32, Raspberry Pi, AVR, PIC, STM32, and other microcontroller-based projects. It features 16 membrane keys arranged in a 4×4 matrix, providing an easy way to enter numbers, letters, and commands. With its ultra-thin design, adhesive backing, and flexible 8-pin ribbon cable, this keypad is easy to install on project enclosures, control panels, and DIY electronics. It is ideal for password systems, access control, calculators, menu navigation, home automation, robotics, and embedded applications. Features 16-key (4×4) matrix membrane keypad Ultra-thin, lightweight, and flexible design Self-adhesive backing for easy mounting Requires only 8 GPIO pins (4 rows × 4 columns) Compatible with both 3.3V and 5V logic systems Durable membrane switches with long service life Standard 2.54mm pitch connector for easy interfacing Compatible with Arduino Keypad Library