4x3 Numeric Keypad

4x3 Numeric Keypad - Image 1
4x3 Numeric Keypad - Image 2
4x3 Numeric Keypad - Image 3
4x3 Numeric Keypad
4x3 Numeric Keypad Top
4x3 Numeric Keypad Bottom

A basic 12 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to scan the 7 output pins to see which of the 12 buttons is being pressed.