Keyboard 4x4
Connections to a possible matrix keypad
Commands: Input
Keypad 4x4 setup:
1. Character ASCII returned by the key (to modify the mouse to position it on the key and to press the desired character)
2. Enable/Disable portion of matrix
3. Connections to the matrix Port by to characterize Output and Input
4. Character ASCII returned by the command [Input] when any key has been pressed