The Arduino Fio (designed by Sparkfun Electronics and Shigeru Kobayashi) is a microcontroller board based on the ATmega328P which runs at 3.3V and 8 MHz. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 8 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers.
more...