Advantages of UNO R3 MEGA328P :
1. a completely solve the traditional UNO board is not compatible with win7 and win8 system instability above.
2. increase the pin socket, to facilitate the use of DuPont line.
3. Replaced 16u2, so the cost is reduced by half, to get the maximum benefit consumers


ADXL345 3-axis Digital Gravity Sensor Acceleration Module
USB Host Shield Use Arduino with Android