Quantity   Component name
2 × Arduino Mega
2 × XBee-Pro 900 XSC S3B For long range communication between bikes
2 × GPS RF, RFID Hardware / Antennas
2 × Dipole duck antenna 2dBi gain
2 × LSM303DLMTR Tilt Compensated Compass
2 × Pololu 73:1 Metal Gearmotor For the arrow
2 × DRV8835 Motor driver
2 × Continuous Rotation Sensor To turn the motor into a continuous positional servo
10 × LEDs Electronic Components / Misc. Electronic Components
4 × Buttons