4X4 Matrix Keyboard – Keypad

A 4X4 matrix keyboard is a type of keyboard that consists of 16 keys arranged in a 4 by 4 grid. Each key on the keyboard represents a character or a command, and pressing a key sends a unique electrical signal to the computer or device it is connected to. The keyboard is compact and easy to use, making it ideal for applications where space is limited or mobility is required. It is commonly used in electronic devices such as calculators, microwave ovens, and remote controls. The 4X4 matrix keyboard allows users to input data quickly and efficiently, providing a convenient and user-friendly interface for interacting with various devices.