Matrix 16 Button Keypad Module (4x4 Keypad)

The Matrix 16 Button Keypad Module (4×4 Keypad) features 16 tactile keys arranged in a 4×4 matrix. It connects via male headers and provides a hexadecimal output when a key is pressed. The keypad is compatible with most controller boards, including 8051 and Arduino.

• 16 tactile keys in a 4×4 matrix
• Hexadecimal output on key press
• Rows and columns for easy interfacing
• Compatible with Arduino, 8051, and other microcontrollers
• Applications: password door locks, remote controlled robots, voting machines, musical keypads