Xenon Design Character LCD specification and Graphic LCD specification [ZIP file]
Xenon Design RF products datasheet [PDF file]
Xenon Design MP3 player datasheet [PDF file]
Xenon Design Ethernet to serial module datasheet [PDF file]

Utility & Setup Instruction
Atmel Emulator and Evaluation Board (all models) setup instruction, schematics, and sample code [ZIP file]
Ethernet to serial configuration utility (build 2007) for download [EXE file] (Win98, Win2000, WinME, WinXP)
Ethernet to serial configuration utility (build 2006) for download [ZIP file] (Win98, Win2000, WinME, WinXP)

Application Note
Tips and Tricks for using 433MHz Super-Regenerative receiver [PDF file]
Manchester encoding technique application note [PDF file]
Modifying the address of plastic case enclosed transmitter / receiver set [PDF file]