Infrared remote library for Arduino, send and receive infrared signals
Install ham radio software on your favorite flavor of Ubuntu Linux
MIDI for Arduino
Arduino Ethernet library for communicating with S7 Siemens PLC
AM/PM Digital Reminder (Pets, Pills, etc.)
DMX Library and usage examples for Arduino
Handheld device with Atmel AVR ATmega series microcontroller.
Serial terminal for Microcontroller communication