# 2. Product installation 1. Plug 4 copper pillars (10MM) into bottom PCB. ![](media/image-20251217163526453.png) 2. ​ 4 M3*6MM round head screws are slotted into the pillars. ![](media/image-20251217163559333.png) 3. keyestudio L298N motor shield is bolted to the 4 pillars with 4 screws ![](media/image-20251217163637214.png) 4. Attach 3 line tracking sensor to bottom PCB using 3 screws. ![](media/image-20251217163657640.png) 5. Fix the line tracking sensors with 3 nuts on the back. ![](media/image-20251217163720947.png) 6.Put 4 motor fixed parts to the holes on bottom PCB. ![](media/image-20251217163803162.png) 7. Bolt the motor fixed parts to bottom PCB with 8 screws. ![](media/image-20251217163852294.png) 8. Place 4 metal motors on PCB near the motor fixed parts. ![](media/image-20251217163913000.png) 9. Attach 4 motors to bottom PCB using 8 screws and 8 nuts. ![](media/image-20251217163935354.png) 10. Plug 4 tires into the motors. ![](media/image-20251217165325418.png) 11. Insert 6 screws into 6 holes around bottom PCB. ![](media/image-20251217165346818.png) 12. Slot 6 pillars into the screws. ![](media/image-20251217165417408.png) 13. Attach IR receiver module to top PCB using a screw. ![](media/image-20251217165441401.png) 14. Twist a nut to the screw to fix IR receiver module. ![](media/image-20251217165652391.png) 15. Insert 4 screws into the holes of top PCB. ![](media/image-20251217165716673.png) 16. 4 pillars are slotted into the screws. ![](media/image-20251217165749539.png) 17. First cut the plastic object into a cross to put into the part completely, and then install platform and motor step by step according to the following figures. ![](media/image-20251217165827032.png) ![](media/image-20251217165851984.png) 18. Attach ultrasonic sensor to the platform using wingding wire. ![](media/image-20251217165921156.png) 19. Bolt the whole platform to 4 pillars on top PCB with 4 screws. ![](media/image-20251217165943505.png) 20. Battery case is bolted to the top PCB on the end with 2 screws. ![](media/image-20251217170035976.png) 21. Twist 2 nuts to fix the battery case. ![](media/image-20251217170449059.png) 22. Install toggle switch on top PCB. ![](media/wps2.png) ![](media/image-20251217170525278.png) 23. Insert 8 screws into the holes of the middle part on top PCB. ![](media/image-20251217170556928.png) 24. Slot 8 pillars into 8 screws. ![](media/image-20251217170622720.png) 25.Plug LCD and UNO R3 into the 8 pillars. ![](media/image-20251217170644154.png) 26. Attach LCD and UNO R3 to the pillars using screws. ![](media/image-20251217170706598.png) 27. Plug shield V5 into UNO R3. ![](media/image-20251217170741018.png) 28. Plug Bluetooh HC-06 into shield V5. ![](media/image-20251217170805511.png) 29. Plug top board into bottom board. ![](media/image-20251217170839645.png) 30. Fix top and bottom board using 6 screws. ![](media/image-20251217170925415.png) 31. Installation is complete,shown as the following figure. ![](media/wps3.png)