? Freescale iMX.233 processor running at 454 MHZ and 64 MB onboard RAM. ? Comes with 512MB uSD card with 100 MB Linux installation all ready to go. ? 3.3V I/O pins can talk to most sensors, motor drivers, etc. No struggling with 1.8V levels. ? Low power, fanless design draws only (200?) mA at 5V. ? Built-in Lithium Ion/Polymer battery charger and 5V boost converter for portable projects. ? Three USB ports! ? 1W mono speaker amplifier (0.1" JST onboard connector.) ? Microphone input (0.05" JST onboard connector.) ? LCD controller with 2mm output port. ? 3.5mm A/V output jack with stereo audio and NTSC/PAL composite video. ? Back of board has GPIO outputs on 0.1" header spacing, plug in an Arduino proto shield! ? 5-way joystick and 3-axis accelerometer on-board. ? 3.3V TTL serial port for easy shell access.