![4X4 Tactile Button Keypad](http://shops.wizrobotics.com/cdn/shop/products/4X4_TACTILE_BUTTON_KEYPAD_{width}x.jpeg?v=1562218969)
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.