4×4 Matrix Keypad Module
ELECTRONIC COMPONENTS
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Description
**4×4 Matrix Keypad Module** A durable 4×4 matrix keypad module with 16 tactile push buttons (0–9, A–D, *, #) for reliable user input. It uses a row-and-column matrix interface and is ideal for access control systems, password entry, menu navigation, industrial control panels, and embedded electronics projects.
