MCU & IC chip : ATmega128 x2 (AB-M128-B + AM-128PRO V02), 3.3V Regulator(SOT223/H Package), 5V Regulator, HD74HC04P (Logic NOT), L293D (Motor Driver IC), LCD 1602 Sensor : Bluetooth Master(FB153BC) & Slave(HC-06C) x1, Accelerometer(ADXL354) Hardware : Geared DC Motor x2 with a pair of wheels, Toggle switch for On/Off