MIFRA ELECTRONICS 4x4 Matrix Keypad Module - 16 Keys Electronic Components Electronic Hobby Kit

A 4x4 Matrix Keypad Module is a versatile input device commonly used in electronics and microcontroller-based projects. It features a 4x4 grid of tactile push-button keys, offering a total of 16 keys for user input. Each key corresponds to a unique combination of row and column connections, making it easy to read and identify key presses. These modules are widely used for applications such as password entry, menu navigation, and data input in embedded systems, thanks to their compact size and straightforward interface with microcontrollers. They are typically connected to a microcontroller through simple digital I/O pins, making them a convenient choice for various projects requiring user input.