Hardware interfaces for the Raspberry Pi 2
Log the data to the internet using a third party service.
Rebroadcast Internet Radio with a Raspberry Pi.
Connect sensors to the Raspberry Pi and control them with Java.
Interactive LED game
Wiring-like library written in C
A library for using matrix style keypads with the Arduino.
Create a simple app to read data from accelerometer
I2C to OneWire Bridge
Use a kernel module to read a temperature sensor instead of I2C
Use a space Arduino instead of a dedicated I2C controller