GUI : Screen, Buttons, and Lights

The Free Wil-i has a user interface that makes interacting with the device use-able without a host PC. The user interface is controlled by a separate CPU and interfaces with the main CPU via a 8 Megabit hardware handshaking UART.

Fw Display LEDs, and buttons

The core parts of the user interface are listed below:

	Description	Notes
Color Display	320 x 240 16 bit color screen with GUI library	more information
Buttons	5 Multi color buttons	more information
Full Color LEDs	7 full color LEDs	more information
Speaker	16 bit audio	more information
Microphone		more information
InfraRed Receiver	Reception of IR remote data	more information
Infrared Transmitter	Transmission of IR remote data	more information
Real Time Clock	Time and date powered from Lith ION battery	more information
Lithium ION Battery Manager	Controls the Lith-ION battery	more information
Accelerometer	Used as sensor for custom applications	more information