NOTE: Wires are for power only as due to lockdown I had no access to shop for battery..:p
Lane detection using openCV's canny edge and houghs line implemented in Android phone using Kivy module of Python. Controller got the steering angle by serial communication by USB to nodemcu and then a L298N motor driver is used to control motors.
https://github.com/JaisonJose241/driverlessCAR/blob/main/main.py