Quantity   Component name
1 × Motor driver module L298N Stepper Motor Driver Controller Board
1 × Magnetometer GY-273/HMC5883L 3-Axis Digital Compass Module
1 × Accelerometer + Gyroscope GY-521 MPU-6050 Module 3 Axis gyro + 3 Axis Accelerometer Module
1 × Microcontroller Arduino MEGA2560
2 × IR distance sensor GP2Y0A21YK0F
2 × Bluetooth JY-MCU MASTER Bluetooth Serial Port Module
2 × Motors DC motor 3~6V
4 × Ultrasonic distance sensor HC-SR04 Distance Sensor
2 × Encoders IR infrared speed sensing module + plastic disc