H. Appendix
a. Souce Code
b. Bill of Materials:
| Number | Item | Quantity | Cost |
| 1 | 5.25 cm Linkage | 1 | $40 |
| 2 | 15 cm slotted Linkage | 1 | |
| 3 | 8.25 cm Linkage | 1 | |
| 4 | Slider | 1 | |
| 5 | Holder | 1 | |
| 6 | Ground Linkage | 1 | |
| 7 | Whiteboard | 1 | $3 |
| 8 | Glue | 1 | $2 |
| 9 | Wooden Stick | 1 | $3 |
| 10 | Motor | 1 | $0 |
| 11 | Breadboard | 1 | |
| 12 | L239D IC | 1 | |
| 13 | Arduino | 1 | |
| 14 | Wires | 10 | |
| 15 | Motor | 1 | |
| 16 | Power Supply | 1 |
, multiple selections available,