Quantity   Component name
1 × Arduino Mega [2560 Rev3 - A000067]
6 × Ultrasonic proximity sensor [HC-SR04]
1 × 5V battery
1 × Infrared sensor module [Arduino 51 AVR pic]
1 × Stepper motor [23byj-48]
1 × Bluetooth [SPP2.0]
1 × Arduino Motor Shield [L293D]
3 × Battery basket [18650 (12V)]
2 × Integrated system of Wheel+engine [65x26mm, 5V, 48:1 gear]