16-Key 4x4 Matrix Switch Keyboard - (AD1240)

Description:

A basic 16-key keypad for user input. The buttons are arranged in a matrix format. This allows a microcontroller to "scan" the 8 output pins to see which of the 16 buttons is being pressed.

Specifications:

- 4x4 matrix arrangement.

- Push buttons with numbers 0 to 9; letters A to B; plus asterisk (*) and number (#) symbols.

- Connector: Dupont 8 pins, 2.54mm pin spacing

- Mounting style: Self-adhesive

- Voltage range: 35VDC@100mA

- Insulation: 100 Mohm, 100V

- Operating temperature: -20 to +40°C

Reference Link