1. BumperBot uses two contact switches to go through a labyrinth. Bumper

2. 1. Tighten a DC motor and a motor frame using bolts. Assembling

3. 2. Put the DC motor on the main frame and tighten using bolts. Assembling

4. 3. Assemble a contact switch and a L2X2 frame using bolts and nuts. Assembling

5. 4. Locate the contact switches on the main frame and tighten them using bolts and nuts. Assembling

6. 5. Fix the supports on the main frame (position C4 and G4) using bolts. Assembling

7. 6. Put the 8hole frames on the 20mm supports and fix them using nuts. Assembling

8. 7. Insert bolt to the main frame. Fix it with a cab nut. Assemble a wheel to the DC motor. Assembling

9. 8. Locate the battery case on the 35mm support then tighten it using 20mm supports. Assembling

10. 9. Assemble the DC motor drive board and the L2X1 frame using bolts and nuts. Assembling

11. 10. Locate the CPU board on the 20mm support. Put the motor frame fixed with the L2X1 frame on the CPU board and tighten them using nuts. Assembling

12. 11. Connect the power cable of the battery case to the power connector of the CPU board. Connect the cable of the DC motor to the DC motor drive board. Assembling

13. 12. Connect the OUT ports No.1, No.2, No.3, and No.4 of the CPU board and the ports No.1, No.2, No.3, and No.4 of the motor drive board using 3pin cables. Assembling

14. 13. Completed BumperBot. Assembling