Digispark ATtiny85 USB Development Board

The Digispark compatible developing board is an Attiny85 based microcontroller, board similar to the Arduino line, only cheaper, smaller, and a bit less powerful. With a whole host of shields to extend its functionality and the ability to use the familiar Arduino. IDE the Digispark is a great way to jump into electronics, or perfect for when an Ard. boards is too big or too much.