4×4 matrix keypad module for user input in microcontroller projects. Ideal for menu navigation, password entry, and control interfaces.
Overview:
The 4×4 Matrix Keypad Module provides a simple and reliable way to add user input to your electronic projects. Featuring 16 tactile push buttons arranged in a matrix layout, it reduces the required number of microcontroller pins while offering multiple input possibilities. It is widely used in menu control systems, password-protected locks, automation setups, and various DIY electronic applications.
Specifications:
Key Layout: 4×4 matrix (16 keys)
Interface: Row/column matrix
Operating Voltage: 3.3V – 5V compatible
Connector Type: Standard 8-pin interface
Material: High-quality PCB with soft-touch keys
Applications: Keypad input, security locks, menu navigation, robotics control, Arduino/Raspberry Pi projects
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