4x4 Numeric Keypad

4x4 Numeric Keypad - Image 1
4x4 Numeric Keypad - Image 2
4x4 Numeric Keypad - Image 3
4x4 Numeric Keypad
4x4 Numeric Keypad Top
4x4 Numeric Keypad Bottom

A basic 16 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to ‘scan’ the 8 output pins to see which of the 16 buttons is being pressed.