4x4 Matrix Keyboard Module, 16 Key Array Switch for Microcontroller

Expand Your Microcontroller Projects with a 16-Key Matrix Keyboard This 4x4 array keyboard module gives your single-chip microcontroller a versatile external input option. With sixteen tactile keys arranged in a compact grid, it opens up new possibilities for custom control interfaces, menu navigation, data entry and interactive projects. Whether you are prototyping a new device or adding a physical control panel to an existing build, this module offers a straightforward way to extend your system's functionality. Compact Design That Saves Space The module is designed with space efficiency in mind. Its small footprint means it can fit neatly into enclosures and prototypes without dominating your layout, while still providing a comfortable and responsive typing surface. The low-profile construction keeps your project tidy without sacrificing ease of use, making it suitable for desktop experiments, handheld devices and embedded installations alike. Simple Integration with Your Microcontroller Connecting the keyboard to your MCU is straightforward. The array switch interface is designed for easy wiring and reliable communication, so you can spend less time on setup and more time on your application. The module works as a plug-in input solution, letting you add a full 16-key keypad to your project with minimal hassle. This makes it an ideal choice for hobbyists, students and engineers who need a dependable external keyboard for their microcontroller-based systems.