3 Review(s)

The 4x3 Matrix Keypad Module is a compact and reliable user input interface featuring 12 tactile keys arranged in a standard 4-row by 3-column format. Each press generates a unique signal combination that can be easily detected and processed by microcontroller platforms, making it ideal for numeric data entry, menu navigation, security systems, and custom control panels. Constructed using a flexible membrane design, this keypad offers a low-profile form factor with adhesive backing for easy mounting on enclosures or flat surfaces. The soft-touch buttons ensure comfortable operation while maintaining durability for repeated use. Interfacing is simple via a 7-pin header, and it works seamlessly with a wide range of microcontrollers using matrix scanning libraries. Perfect for embedded systems, DIY electronics, and educational kits, this keypad provides a practical solution for projects requiring reliable manual input without complex wiring or bulky hardware.