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 14 buttons is being pressed.
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 14 buttons is being pressed.