Arduino Obstacle Avoiding Robot

Inspired by https://www.youtube.com/watch?v=EJwNwbXVTCk
Arduino Code : http://www.instructables.com/id/Smartphone-Controlled-Arduino-Rover/
Parts Required :
1. Chasis : https://goo.gl/lqICgH
2. Arduino Nano : https://goo.gl/8Fb74o
3. Mini Breadboard : https://goo.gl/OUkl1u
4. HC SR-04 kit : https://goo.gl/JdRpl1
5. Motor Driver ( L298N ) : https://goo.gl/F2EQbM
6. Rocker Switch : https://goo.gl/47tXzW
7. 8 x M-F Jumper Wires : https://goo.gl/Vdu2J5
8. 7 x M-M Jumper Wires : https://goo.gl/dSni1N
9. 2 x 18650 Battery : https://goo.gl/BP67Bc
10. Battery Holder : https://goo.gl/M7xYSU
Tools :
1. Soldering Iron : http://amzn.to/2eoNLvM
2.Corless Drill : https://goo.gl/d1nyKe
3. Wire Cutter / Stripper : https://goo.gl/mlVF28
4. Glue Gun : https://goo.gl/VWTX5l