• Matrix keypads use a combination of four rows and four columns to provide button states to the host device, typically a microcontroller. Underneath each key is a pushbutton, with one end connected to one row, and the other end connected to one column.
• This 16-button keypad provides a useful human interface component for microcontroller projects.
• Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.

Specifications:-

• Maximum Rating: 24 VDC, 30 mA
• Interface: 8-pin access to 4×4 matrix
• Operating temperature: 32 to 122 °F (0 to 50°C)
• Dimensions: Keypad, 2.7 x 3.0 in (6.9 x 7.6 cm) Cable: 0.78 x 3.5 in (2.0 x 8.8 cm)

Application Ideas:-

• Security systems.
• Menu selection.
• Data entry for embedded systems.

Package Includes

• 1 x 4×4 Matrix Membrane Type Keypad
  

Few projects with 4×4 Matrix Membrane Type Keypad