ADXL345 (free fall feature), using ATmega38p, and buzzer (CMI-9705-0380-SMT-TR), with ATMEL studio
Pin Configuration ( Unmentioned pins are un-used)
ADXL 345 : ATMEGA328P pin 1 : VCC pin 2 : GND pin 3 : pin 4 : GND pin 5 : GND pin 6 : VCC pin 7 : pin 6 pin 8 : pin 1 pin 9 pin 10 pin 11: GND pin 12: pin 13: PIN 27 pin 14: pin 28