4x4 Matrix Membrane Keypad 16-Key with Ribbon Cable

4x4 Matrix Membrane Keypad with 16 tactile buttons (0–9, A–D, *, #). A compact, lightweight input solution for Arduino, Raspberry Pi, access control panels, DIY electronics, and embedded projects.

• Key Layout: 4 rows × 4 columns (16 keys)
• Characters: 0–9, A, B, C, D, *, #
• Interface: Matrix (requires row/column scanning)
• Cable: Flexible ribbon cable with connector end
• Typical Uses: Password entry, menu navigation, access control, robotics, prototypes

What’s in the box: 1× 4x4 membrane keypad.