coop0030 writes: "Open source hardware company, Adafruit, has announced a new tiny wearable electronics platform board called the Gemma. The Gemma is a tiny 1 inch diameter, and 4mm thick package. It's powered by an Attiny85 and programmable with an Arduino IDE over USB. There are 3 available I/O pins, one of which is also an analog input and two which can do PWM output. Gemma is currently wrapping up development, but should be available soon."